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Olympians Who Won a Medal at the European Aquatics Championships (1880)

Athlete	Nation(s)	Sport(s)	Era	Notes
Stefan Aartsen	NED	SWI	1996—2000	1–0–0 1999 İstanbul SWI gold: 4×100 m medley relay
Silke Abicht	GDR	DIV	1988	0–0–1 1987 Strasbourg DIV bronze: platform
Viktor Aboimov	URS	SWI	1972	1–2–0 1970 Barcelona SWI gold: 4×100 m freestyle relay (swam in heats only), silver: 4×200 m freestyle relay (swam in heats only); 1974 Wien SWI silver: 4×200 m freestyle relay
Tony Adam	GER	DIV	2004	0–1–0 2004 Madrid DIV silver: synchronized platform
Beatrice Adelizzi	ITA	SWA	2008	0–1–1 2008 Eindhoven SYN silver: duet, bronze: solo
Hanns Aderhold	GER	DIV	1952	1–0–0 1950 Wien DIV gold: 3 m springboard (competed for West Germany)
Becky Adlington	GBR	SWI	2008—2012	1–1–1 2006 Budapest SWI silver: 800 m freestyle; 2010 Budapest SWI gold: 400 m freestyle, bronze: 4×200 m freestyle relay
Jasper Aerents	BEL	SWI	2012—2016	0–0–1 2016 London SWI bronze: 4×100 m freestyle relay
Marianne Aeschbacher	FRA	SWA	1992—1996	3–6–0 1987 Strasbourg SYN gold: team; 1989 Bonn SYN gold: duet and team; 1993 Sheffield SYN silver: solo, duet, and team; 1995 Wien SYN silver: solo, duet, and team
Inha Afonina	EUN	DIV	1992	0–2–0 1989 Bonn DIV silver: platform (competed for the Soviet Union); 1991 Athina DIV silver: platform (competed for the Soviet Union)
Dragoș Agache	ROU	SWI	2012	0–1–0 2010 Budapest SWI silver: 50 m breaststroke
Yannick Agnel	FRA	SWI	2012—2016	1–2–2 2010 Budapest SWI gold: 400 m freestyle, silver: 4×100 m freestyle relay, bronze: 4×200 m freestyle relay; 2014 Berlin SWI bronze: 200 m freestyle; 2016 London SWI silver: 4×100 m medley relay (swam in heats only)
Elisabeth Ahlgren	SWE	SWI	1948	0–0–1 1950 Wien SWI bronze: 4×100 m freestyle relay
Stefan Ahrens	GER	DIV	2000	0–1–2 1997 Sevilla DIV bronze: 3 m springboard; 1999 İstanbul DIV bronze: 1 m springboard; 2000 Helsinki DIV silver: 3 m springboard
Marion Aizpors	FRG	SWI	1988	0–1–2 1981 Split SWI silver: 4×100 m freestyle relay, bronze: 4×100 m medley relay; 1989 Bonn SWI bronze: 4×100 m freestyle relay
Aleksey Akatyev	RUS	SWI	1996	4–2–0 1995 Wien SWI gold: 5 km, silver: 25 km; 1997 Sevilla SWI gold: 5 km and 25 km; 1999 İstanbul SWI gold: 25 km, silver: 5 km
Anastasiya Aksenova	RUS	SWI	2008	0–1–0 2008 Eindhoven SWI silver: 4×100 m medley relay (swam in heats only)
Vladimir Aleynik	URS	DIV	1976—1980	1–1–0 1977 Jönköping DIV gold: platform; 1981 Split DIV silver: platform
Tony Ali-Ally	GBR	DIV	1996—2004	1–0–1 1999 İstanbul DIV gold: 3 m springboard, bronze: synchronized springboard
Sviatlana Aliakseyeuna	BLR	DIV	1996—2000	0–0–2 1989 Bonn DIV bronze: 3 m springboard (competed for the Soviet Union); 1995 Wien DIV bronze: 1 m springboard
Triin Aljand	EST	SWI	2004—2012	0–1–0 2012 Debrecen SWI silver: 50 m butterfly
Sophie Allen	GBR	SWI	2012	0–1–0 2012 Debrecen SWI silver: 200 m medley
Franziska van Almsick	GER	SWI	1992—2004	18–3–0 1993 Sheffield SWI gold: 50 m freestyle, 100 m freestyle, 200 m freestyle, 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay, silver: 100 m butterfly; 1995 Wien SWI gold: 100 m freestyle, 400 m freestyle, 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay, silver: 50 m freestyle; 1999 İstanbul SWI gold: 4×100 m freestyle relay and 4×200 m freestyle relay, silver: 4×100 m medley relay; 2002 Berlin SWI gold: 100 m freestyle, 200 m freestyle, 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay
Therèse Alshammar	SWE	SWI	1996—2016	10–7–4 1997 Sevilla SWI silver: 4×100 m freestyle relay, bronze: 50 m freestyle; 1999 İstanbul SWI gold: 4×100 m medley relay, silver: 50 m freestyle and 4×100 m freestyle relay; 2000 Helsinki SWI gold: 50 m freestyle, 100 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay; 2002 Berlin SWI gold: 50 m freestyle, silver: 4×100 m freestyle relay and 4×100 m medley relay; 2004 Madrid SWI gold: 50 m freestyle; 2006 Budapest SWI gold: 50 m butterfly, silver: 50 m freestyle; 2008 Eindhoven SWI bronze: 50 m freestyle; 2010 Budapest SWI gold: 50 m freestyle and 50 m butterfly, silver: 4×100 m medley relay, bronze: 100 m butterfly and 4×100 m freestyle relay
Rafael Álvarez	ESP	DIV	1992—2000	0–0–2 1997 Sevilla DIV bronze: 1 m springboard; 2000 Helsinki DIV bronze: synchronized springboard
Yevgeny Alyoshin	RUS	SWI	2004	2–0–0 2002 Berlin SWI gold: 4×100 m medley relay; 2006 Budapest SWI gold: 4×100 m medley relay (swam in heats only)
Vladislav Aminov	RUS	SWI	2000	1–0–0 2000 Helsinki SWI gold: 4×100 m medley relay
Linda Amos	GBR	SWI	1964	0–1–0 1962 Leipzig SWI silver: 4×100 m freestyle relay
Iryna Amshennikova	UKR	SWI	2004—2008	0–2–2 2002 Berlin SWI bronze: 200 m backstroke and 4×100 m medley relay; 2004 Madrid SWI silver: 4×100 m medley relay; 2006 Budapest SWI silver: 200 m backstroke
Lolita Ananasova	UKR	SWA	2016	2–8–4 2010 Budapest SYN bronze: solo, team Free, and team Free Routine Combination; 2012 Eindhoven SYN silver: team Free and team Free Routine Combination, bronze: solo; 2014 Berlin SYN gold: team Free Routine Combination, silver: duet and team Free; 2016 London SYN gold: team Free, silver: duet Technical, duet Free, team Technical, and team Free Routine Combination
Akhmed Anarbayev	URS	SWI	1968	1–1–1 1970 Barcelona SWI gold: 4×100 m freestyle relay (swam in heats only), silver: 4×200 m freestyle relay, bronze: 4×100 m medley relay
Greta Andersen	DEN	SWI	1948—1952	2–1–2 1947 Monte Carlo SWI gold: 4×100 m freestyle relay, bronze: 100 m freestyle; 1950 Wien SWI gold: 400 m freestyle, silver: 4×100 m freestyle relay, bronze: 100 m freestyle
Lilli Andersen	DEN	SWI	1932	0–0–1 1934 Magdeburg SWI bronze: 400 m freestyle
Eva Andersson	SWE	SWI	1972	0–0–1 1970 Barcelona SWI bronze: 4×100 m freestyle relay
Gunilla Andersson	SWE	SWI	1976	0–0–2 1974 Wien SWI bronze: 100 m butterfly and 4×100 m medley relay
Joakim Andersson	SWE	DIV	1988—1996	0–3–1 1991 Athina DIV silver: 3 m springboard; 1993 Sheffield DIV silver: 1 m springboard, bronze: 3 m springboard; 1995 Wien DIV silver: 1 m springboard
Jonas Andersson	SWE	SWI	2008	0–0–1 2008 Eindhoven SWI bronze: 4×100 m medley relay
Tord Andersson	SWE	DIV	1968	0–1–0 1966 Utrecht DIV silver: 3 m springboard
Jakob Andkjær	DEN	SWI	2008	0–0–1 2006 Budapest SWI bronze: 50 m butterfly
Viktoriya Andreyeva	RUS	SWI	2012—2016	0–2–0 2018 Glasgow SWI silver: 4×200 m freestyle mixed relay and 4×100 m medley mixed relay (swam in heats only)
Gennady Androsov	URS	SWI	1956—1960	1–0–1 1958 Budapest SWI bronze: 1500 m freestyle; 1962 Leipzig SWI gold: 400 m medley
Vyacheslav Andrusenko	RUS	SWI	2016	0–3–1 2012 Debrecen SWI bronze: 4×100 m freestyle relay; 2014 Berlin SWI silver: 4×200 m freestyle relay (swam in heats only); 2018 Glasgow SWI silver: 4×200 m freestyle relay and 4×200 m freestyle mixed relay (swam in heats only)
Hannelore Anke	GDR	SWI	1972—1976	1–0–0 1974 Wien SWI gold: 4×100 m freestyle relay (swam in heats only)
Yelena Antonova	RUS	SWA	1996	2–0–0 1995 Wien SYN gold: team; 1999 İstanbul SYN gold: team (competed in prelims only)
Václav Antoš	TCH	SWI	1924—1928	0–0–1 1927 Bologna SWI bronze: 400 m freestyle
Kelly Araouzou	GRE	SWI	2016	1–4–0 2010 Budapest SWI gold: 5 km team, silver: 5 km; 2012 Piombino SWI silver: 5 km and 5 km team; 2014 Berlin SWI silver: 5 km team
Odile Arboles-Souchon	FRA	DIV	2000	0–1–2 1997 Sevilla DIV silver: synchronized platform; 1999 İstanbul DIV bronze: synchronized springboard and synchronized platform
Heinz Arendt	GER	SWI	1936	0–0–1 1938 London SWI bronze: 1500 m freestyle
Eva Arndt-Riise	DEN	SWI	1936—1948	1–0–0 1938 London SWI gold: 4×100 m freestyle relay (competed as Eva Arndt)
Pär Arvidsson	SWE	SWI	1976—1980	0–3–2 1977 Jönköping SWI silver: 100 m butterfly, bronze: 200 m butterfly; 1981 Split SWI silver: 100 m butterfly and 4×100 m medley relay; 1983 Roma SWI bronze: 4×200 m freestyle relay (swam in heats only)
Sergey Ashikhmin	KGZ	SWI	1996—2000	0–1–0 1999 İstanbul SWI silver: 4×100 m freestyle relay (competed for Russia)
Charlotte Atkinson	GBR	SWI	2014	1–0–0 2018 Glasgow SWI gold: 4×100 m medley mixed relay (swam in heats only)
Jeannette Aubert	FRA	DIV	1948	0–0–1 1947 Monte Carlo DIV bronze: 3 m springboard
Benjamin Auffret	FRA	DIV	2016	0–0–1 2018 Edinburgh DIV bronze: platform
Yelena Azarova	RUS	SWA	1996—2004	7–0–0 1991 Athina SYN gold: team (competed for the Soviet Union); 1993 Sheffield SYN gold: team; 1995 Wien SYN gold: duet and team; 1997 Sevilla SYN gold: team; 1999 İstanbul SYN gold: team; 2000 Helsinki SYN gold: team
Madelon Baans	NED	SWI	1996—2004	0–0–1 2004 Madrid SWI bronze: 4×100 m medley relay
Svetlana Babanina	URS	SWI	1964—1968	1–0–0 1966 Utrecht SWI gold: 4×100 m freestyle relay (swam in heats only)
Charles Babey (DNS)	FRA	SWI	1948	0–1–0 1947 Monte Carlo SWI silver: 4×200 m freestyle relay
Marina Babkova	URS	DIV	1988	1–1–1 1987 Strasbourg DIV silver: 3 m springboard; 1989 Bonn DIV gold: 3 m springboard, bronze: 1 m springboard
Jürgen Bachmann	GER	SWI	1960	0–0–1 1962 Leipzig SWI bronze: 400 m medley (competed for East Germany)
Robin Backhaus	USA	SWI	1972	1–1–0 2010 Budapest SWI silver: 4×200 m freestyle relay; 2014 Berlin SWI gold: 4×200 m freestyle relay
Cezar Bădiță	ROU	SWI	2000	0–1–0 2000 Helsinki SWI silver: 400 m medley
Vera Baklanova	URS	DIV	1964—1968	1–0–0 1966 Utrecht DIV gold: 3 m springboard
Lev Balandin	URS	SWI	1952—1956	0–1–1 1954 Torino SWI silver: 100 m freestyle, bronze: 4×200 m freestyle relay
Július Baláž	TCH	DIV/SWI	1924—1928	0–0–1 1926 Budapest DIV bronze: 3 m springboard
Brita Baldus	GDR GER	DIV	1988—1992	3–2–2 1983 Roma DIV gold: 3 m springboard (competed for East Germany); 1987 Strasbourg DIV bronze: 3 m springboard (competed for East Germany); 1989 Bonn DIV silver: 1 m springboard and 3 m springboard (competed for East Germany); 1991 Athina DIV gold: 1 m springboard, bronze: 3 m springboard (competed for Germany); 1993 Sheffield DIV gold: 3 m springboard (competed for Germany)
Kirsty Balfour	GBR	SWI	2004—2008	2–1–0 2006 Budapest SWI gold: 200 m breaststroke and 4×100 m medley relay, silver: 100 m breaststroke
Jochen Balke	GER	SWI	1936	1–0–0 1938 London SWI gold: 200 m breaststroke
Giada Ballan	ITA	SWA	1996—2000	0–1–6 1991 Athina SYN bronze: team; 1993 Sheffield SYN bronze: team; 1995 Wien SYN bronze: team; 1997 Sevilla SYN bronze: duet and team; 1999 İstanbul SYN bronze: team; 2000 Helsinki SYN silver: team
Coralie Balmy	FRA	SWI	2008—2016	2–3–1 2008 Eindhoven SWI gold: 4×200 m freestyle relay, silver: 400 m freestyle; 2010 Budapest SWI silver: 4×200 m freestyle relay; 2012 Debrecen SWI gold: 400 m freestyle, silver: 800 m freestyle; 2014 Berlin SWI bronze: 4×100 m freestyle mixed relay
Gábor Balog	HUN	SWI	2008—2016	0–0–3 2014 Berlin SWI bronze: 200 m backstroke; 2016 London SWI bronze: 4×100 m medley relay and 4×100 m medley mixed relay
Frank Baltrusch	GDR	SWI	1988	0–1–4 1983 Roma SWI bronze: 200 m backstroke; 1985 Sofia SWI bronze: 200 m backstroke; 1987 Strasbourg SWI silver: 100 m backstroke, bronze: 200 m backstroke and 4×100 m medley relay
Natalia Baranovskaya-Khatziloizou	BLR CYP	SWI	1996—2008	1–1–1 1999 İstanbul SWI bronze: 200 m freestyle (competed as Natalia Baranovskaya for Belarus); 2000 Helsinki SWI gold: 200 m freestyle, silver: 400 m freestyle (competed as Natalia Baranovskaya for Belarus)
Kasia Baranowska	POL	SWI	2008—2016	0–1–1 2006 Budapest SWI silver: 200 m medley, bronze: 400 m medley
István Bárány	HUN	SWI	1924—1932	4–2–1 1926 Budapest SWI gold: 100 m freestyle, silver: 4×200 m freestyle relay; 1927 Bologna SWI silver: 100 m freestyle, bronze: 4×200 m freestyle relay; 1931 Paris SWI gold: 100 m freestyle, 400 m freestyle, and 4×200 m freestyle relay
Arianna Barbieri	ITA	SWI	2012	0–3–0 2012 Debrecen SWI silver: 50 m backstroke, 100 m backstroke, and 4×100 m medley relay
Leonid Barbiyer	URS	SWI	1960	2–1–0 1958 Budapest SWI gold: 4×100 m medley relay, silver: 100 m backstroke; 1962 Leipzig SWI gold: 200 m backstroke
Guy Barnea	ISR	SWI	2008	0–0–2 2010 Budapest SWI bronze: 50 m backstroke; 2012 Debrecen SWI bronze: 50 m backstroke
Romain Barnier	FRA	SWI	2000—2004	0–1–1 2000 Helsinki SWI bronze: 4×100 m freestyle relay; 2002 Berlin SWI silver: 4×100 m medley relay
Bengt Baron	SWE	SWI	1980—1984	0–2–1 1981 Split SWI silver: 4×100 m medley relay; 1983 Roma SWI silver: 4×100 m freestyle relay (swam in heats only); 1985 Sofia SWI bronze: 4×100 m freestyle relay
Sarah Barrow	GBR	DIV	2012—2016	2–0–0 2012 Eindhoven DIV gold: synchronized platform; 2014 Berlin DIV gold: platform
Nóra Barta	HUN	DIV	2000—2012	0–1–2 2006 Budapest DIV bronze: 3 m springboard; 2008 Eindhoven DIV silver: 1 m springboard; 2010 Budapest DIV bronze: 3 m springboard
Károly Bartha	HUN	SWI	1924	0–1–0 1926 Budapest SWI silver: 100 m backstroke
Heidemarie Bártová-Grécká	TCH	DIV	1980—1992	0–0–1 1985 Sofia DIV bronze: 3 m springboard (competed as Heidemarie Grécká)
Miroslav Bartůšek	TCH	SWI	1948	0–0–1 1947 Monte Carlo SWI bronze: 400 m freestyle
Paulina Barzycka	POL	SWI	2004—2008	0–1–0 2006 Budapest SWI silver: 4×200 m freestyle relay
Iurie Başcatov	URS EUN	SWI	1988—1992	1–1–0 1989 Bonn SWI gold: 4×100 m medley relay, silver: 100 m freestyle (competed for the Soviet Union)
Clara Basiana	ESP	SWA	2012	2–3–1 2010 Budapest SYN silver: team Free and team Free Routine Combination; 2012 Eindhoven SYN gold: team Free and team Free Routine Combination; 2014 Berlin SYN silver: team Free Routine Combination, bronze: team Free
István Batházi	HUN	SWI	1996—2000	1–1–0 2000 Helsinki SWI gold: 400 m medley; 2002 Berlin SWI silver: 400 m medley
Noemi Batki	ITA	DIV	2008—2016	0–4–1 2008 Eindhoven DIV bronze: synchronized platform; 2010 Budapest DIV silver: platform; 2012 Eindhoven DIV silver: platform; 2014 Berlin DIV silver: platform; 2018 Edinburgh DIV silver: platform
Stefano Battistelli	ITA	SWI	1988—1992	2–1–2 1989 Bonn SWI gold: 200 m backstroke and 4×200 m freestyle relay, bronze: 400 m medley and 4×100 m medley relay; 1991 Athina SWI silver: 4×200 m freestyle relay
Truus Baumeister	NED	SWI	1928	1–0–0 1931 Paris SWI gold: 4×100 m freestyle relay
Simona Baumrtová	CZE	SWI	2012—2016	0–0–1 2012 Debrecen SWI bronze: 100 m backstroke
Nadezhda Bazhina	RUS	DIV	2012—2016	5–1–6 2006 Budapest DIV gold: synchronized springboard; 2010 Budapest DIV gold: 3 m springboard; 2012 Eindhoven DIV bronze: 1 m springboard and Team Event; 2014 Berlin DIV gold: 3 m springboard and Team Event; 2016 London DIV gold: Team Event, bronze: 1 m springboard, synchronized springboard, and synchronized springboard (mixed); 2018 Edinburgh DIV silver: 1 m springboard, bronze: synchronized springboard
Andrea Beccari	ITA	SWI	2000—2004	1–0–1 2002 Berlin SWI bronze: 4×100 m freestyle relay (swam in heats only); 2004 Madrid SWI gold: 4×200 m freestyle relay (swam in heats only)
Leonie Beck	GER	SWI	2016	0–2–0 2018 Loch Lomond SWI silver: 5 km and 5 km team
Heidi Becker-Ramlow	GDR	DIV	1972—1976	1–0–0 1970 Barcelona DIV gold: 3 m springboard (competed as Heidi Becker)
Gudrun Beckmann	FRG	SWI	1972—1976	0–1–1 1974 Wien SWI silver: 4×100 m medley relay (swam in heats only); 1977 Jönköping SWI bronze: 4×100 m medley relay (swam in heats only)
Brigitte Becue	BEL	SWI	1988—2000	3–3–3 1989 Bonn SWI silver: 200 m breaststroke; 1993 Sheffield SWI gold: 200 m breaststroke; 1995 Wien SWI gold: 100 m breaststroke and 200 m breaststroke, silver: 200 m medley; 1997 Sevilla SWI bronze: 100 m breaststroke and 200 m breaststroke; 1999 İstanbul SWI bronze: 100 m breaststroke; 2000 Helsinki SWI silver: 4×100 m medley relay
Inge Beeken	DEN	DIV	1948	1–0–0 1938 London DIV gold: platform
Semyon Belits-Geyman	URS	SWI	1964—1968	2–1–0 1966 Utrecht SWI gold: 1500 m freestyle and 4×200 m freestyle relay, silver: 400 m freestyle
Anders Bellbring	SWE	SWI	1972—1976	0–0–1 1974 Wien SWI bronze: 4×200 m freestyle relay
Mireia Belmonte	ESP	SWI	2008—2016	4–5–5 2000 Helsinki SWI bronze: 200 m butterfly; 2008 Eindhoven SWI gold: 200 m medley, bronze: 200 m butterfly; 2012 Debrecen SWI gold: 1500 m freestyle, silver: 400 m freestyle; 2014 Berlin SWI gold: 1500 m freestyle and 200 m butterfly, silver: 800 m freestyle and 400 m medley, bronze: 400 m freestyle and 5 km; 2016 London SWI silver: 1500 m freestyle and 4×200 m freestyle relay, bronze: 400 m freestyle
Marco Belotti	ITA	SWI	2008—2016	1–1–1 2008 Eindhoven SWI gold: 4×200 m freestyle relay (swam in heats only); 2012 Debrecen SWI silver: 4×200 m freestyle relay (swam in heats only); 2014 Berlin SWI bronze: 4×100 m freestyle relay (swam in heats only)
Darya Belyakina	RUS	SWI	2008—2012	0–1–0 2008 Eindhoven SWI silver: 4×100 m medley relay
Michele Benedetti	ITA	DIV	2012—2016	0–0–1 2006 Budapest DIV bronze: synchronized platform
Lars-Erik Bengtsson	SWE	SWI	1960	1–0–0 1962 Leipzig SWI gold: 4×200 m freestyle relay
Craig Benson	GBR	SWI	2012—2016	1–0–0 2016 London SWI gold: 4×100 m medley mixed relay (swam in heats only)
Conny van Bentum	NED	SWI	1980—1988	0–3–9 1981 Split SWI bronze: 100 m freestyle, 200 m freestyle, and 4×100 m freestyle relay; 1983 Roma SWI silver: 4×100 m freestyle relay and 4×100 m medley relay, bronze: 100 m freestyle, 200 m freestyle, 200 m butterfly, and 4×200 m freestyle relay; 1985 Sofia SWI silver: 4×200 m freestyle relay, bronze: 100 m freestyle and 4×100 m freestyle relay
Olha Beresneva	UKR	SWI	2000—2012	1–0–0 2010 Budapest SWI gold: 25 km
Guylaine Berger	FRA	SWI	1972—1980	0–0–1 1974 Wien SWI bronze: 4×100 m freestyle relay
Friedel Berges	GER	SWI	1928	2–1–1 1926 Budapest SWI gold: 4×200 m freestyle relay, silver: 1500 m freestyle, bronze: 400 m freestyle; 1927 Bologna SWI gold: 4×200 m freestyle relay
Elisabeth Berglund	SWE	SWI	1968	0–0–1 1970 Barcelona SWI bronze: 4×100 m freestyle relay
Jean-Paul Berjeau	FRA	SWI	1972	0–1–0 1970 Barcelona SWI silver: 4×100 m medley relay
Peter Bermel	FRG	SWI	1988	0–0–1 1985 Sofia SWI bronze: 200 m medley
Alain Bernard	FRA	SWI	2008—2012	4–2–1 2006 Budapest SWI bronze: 4×100 m freestyle relay; 2008 Eindhoven SWI gold: 50 m freestyle and 100 m freestyle; 2010 Budapest SWI gold: 100 m freestyle, silver: 4×100 m freestyle relay; 2012 Debrecen SWI gold: 4×100 m freestyle relay, silver: 100 m freestyle
Yohan Bernard	FRA	SWI	2000	0–1–1 1999 İstanbul SWI bronze: 200 m breaststroke; 2002 Berlin SWI silver: 200 m breaststroke
Jo Bernardo	FRA	SWI	1948—1952	0–1–1 1950 Wien SWI silver: 4×200 m freestyle relay, bronze: 1500 m freestyle
Jens-Peter Berndt	FRG	SWI	1988	0–2–0 1983 Roma SWI silver: 200 m medley and 400 m medley
Péter Bernek	HUN	SWI	2010—2016	0–1–3 2012 Debrecen SWI silver: 200 m backstroke, bronze: 4×200 m freestyle relay and 4×100 m medley relay; 2016 London SWI bronze: 400 m freestyle
Elena Bertocchi	ITA	DIV	2010	1–1–1 2016 London DIV silver: 1 m springboard; 2018 Glasgow DIV gold: synchronized springboard, bronze: 1 m springboard
Jack Besford	GBR	SWI	1928—1936	1–0–0 1934 Magdeburg SWI gold: 100 m backstroke
Irina Bespalova	RUS	SWI	2008—2012	0–1–0 2008 Eindhoven SWI silver: 4×100 m medley relay (swam in heats only)
Pascale Besson	FRA	SWA	1984	1–1–0 1985 Sofia SYN gold: team, silver: duet
Toos Beumer	NED	SWI	1964—1968	1–0–1 1966 Utrecht SWI gold: 4×100 m medley relay, bronze: 4×100 m freestyle relay
Ina Beyermann	FRG	SWI	1984—1988	0–1–2 1983 Roma SWI silver: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay and 4×100 m medley relay
Urša Bežan	SLO	SWI	2012	0–0–1 2012 Debrecen SWI bronze: 4×200 m freestyle relay
Ilaria Bianchi	ITA	SWI	2008—2016	0–3–2 2012 Debrecen SWI silver: 4×100 m medley relay; 2014 Berlin SWI bronze: 100 m butterfly; 2016 London SWI silver: 4×100 m medley relay and 4×100 m medley mixed relay (swam in heats only), bronze: 100 m butterfly
Serena Bianchi	ITA	SWA	1996—2000	0–1–4 1995 Wien SYN bronze: team; 1997 Sevilla SYN bronze: duet and team; 1999 İstanbul SYN bronze: team; 2000 Helsinki SYN silver: team
Bence Biczó	HUN	SWI	2010—2012	0–2–0 2012 Debrecen SWI silver: 200 m butterfly; 2014 Berlin SWI silver: 200 m butterfly
Paul Biedermann	GER	SWI	2008—2016	6–3–0 2008 Eindhoven SWI gold: 200 m freestyle; 2010 Budapest SWI gold: 200 m freestyle, silver: 400 m freestyle and 4×200 m freestyle relay; 2012 Debrecen SWI gold: 200 m freestyle, 400 m freestyle, and 4×200 m freestyle relay; 2014 Berlin SWI gold: 4×200 m freestyle relay, silver: 200 m freestyle
Hedy Bienenfeld	AUT	SWI	1928	0–0–1 1927 Bologna SWI bronze: 200 m breaststroke
Johann Le Bihan	FRA	SWI	2000	0–0–1 2000 Helsinki SWI bronze: 400 m medley
Klenie Bimolt	NED	SWI	1964—1968	0–2–0 1962 Leipzig SWI silver: 200 m breaststroke and 4×100 m medley relay
Aladár Bitskey	HUN	SWI	1924—1928	0–2–0 1927 Bologna SWI silver: 100 m backstroke; 1931 Paris SWI silver: 100 m backstroke
Zoltán Bitskey	HUN	SWI	1924	0–1–0 1926 Budapest SWI silver: 4×200 m freestyle relay
Ian Black	GBR	SWI	1960	3–0–0 1958 Budapest SWI gold: 400 m freestyle, 1500 m freestyle, and 200 m butterfly
Alicia Blagg	GBR	DIV	2012—2016	0–2–0 2016 London DIV silver: synchronized springboard; 2018 Edinburgh DIV silver: 3 m springboard
Constantin Blaha	AUT	DIV	2008—2016	0–0–1 2016 London DIV bronze: 1 m springboard
Pernille Blume	DEN	SWI	2012—2016	1–2–1 2014 Berlin SWI gold: 4×100 m medley relay; 2018 Glasgow SWI silver: 50 m freestyle and 4×100 m medley relay, bronze: 4×100 m freestyle relay
Claudia Bockner	GER	DIV	1996	1–0–1 1995 Wien DIV bronze: 3 m springboard; 1997 Sevilla DIV gold: synchronized springboard
Richárd Bodor	HUN	SWI	2004—2008	0–0–3 2004 Madrid SWI bronze: 100 m breaststroke, 200 m breaststroke, and 4×100 m medley relay
Andrey Bogdanov	URS	SWI	1976	0–0–1 1977 Jönköping SWI bronze: 4×100 m freestyle relay (swam in heats only)
Yuliya Bogdanova	URS	SWI	1980	2–1–0 1977 Jönköping SWI gold: 100 m breaststroke and 200 m breaststroke, silver: 4×100 m medley relay
Alessio Boggiatto	ITA	SWI	2000—2008	1–2–2 2002 Berlin SWI gold: 400 m medley, silver: 200 m medley; 2004 Madrid SWI bronze: 400 m medley; 2006 Budapest SWI silver: 200 m medley, bronze: 400 m medley
Chiara Boggiatto	ITA	SWI	2004—2012	0–1–0 2012 Debrecen SWI silver: 4×100 m medley relay
Yelena Bogomazova	RUS	SWI	2004—2008	1–2–3 2002 Berlin SWI bronze: 50 m breaststroke and 100 m breaststroke; 2004 Madrid SWI silver: 50 m breaststroke and 100 m breaststroke, bronze: 200 m breaststroke; 2006 Budapest SWI gold: 50 m breaststroke
Tanya Bogomilova-Dangalakova	BUL	SWI	1980—1988	1–1–5 1983 Roma SWI bronze: 100 m breaststroke (competed as Tanya Bogomilova); 1985 Sofia SWI gold: 200 m breaststroke, bronze: 100 m breaststroke and 4×100 m medley relay (competed as Tanya Bogomilova); 1989 Bonn SWI silver: 100 m breaststroke (competed as Tanya Dangalakova); 1991 Athina SWI bronze: 100 m breaststroke and 200 m breaststroke (competed as Tanya Dangalakova)
Richárd Bohus	HUN	SWI	2012—2016	0–1–2 2012 Debrecen SWI bronze: 50 m backstroke; 2016 London SWI silver: 50 m backstroke, bronze: 4×100 m medley relay
Jean Boiteux	FRA	SWI	1952—1960	0–4–0 1950 Wien SWI silver: 400 m freestyle, 1500 m freestyle, and 4×200 m freestyle relay; 1954 Torino SWI silver: 4×200 m freestyle relay
Sergey Bolshakov	RUS	SWI	2012	0–0–1 2010 Budapest SWI bronze: 5 km team
Oleksandr Bondar	UKR	DIV	2010—2012	2–2–2 2012 Eindhoven DIV silver: Team Event, bronze: synchronized platform; 2014 Berlin DIV silver: Team Event, bronze: synchronized platform; 2018 Edinburgh DIV gold: platform and synchronized platform (competed as Aleksandr Bondar for Russia)
Svitlana Bondarenko	UKR	SWI	1996—2004	1–9–2 1991 Athina SWI silver: 100 m breaststroke (competed for the Soviet Union); 1993 Sheffield SWI silver: 100 m breaststroke; 1995 Wien SWI silver: 100 m breaststroke and 200 m breaststroke; 1997 Sevilla SWI silver: 100 m breaststroke; 1999 İstanbul SWI silver: 100 m breaststroke; 2000 Helsinki SWI bronze: 100 m breaststroke; 2002 Berlin SWI silver: 50 m breaststroke and 100 m breaststroke, bronze: 4×100 m medley relay; 2004 Madrid SWI gold: 100 m breaststroke, silver: 4×100 m medley relay
Charlotte Bonnet	FRA	SWI	2012—2016	3–0–3 2016 London SWI bronze: 200 m freestyle and 4×100 m freestyle mixed relay; 2018 Glasgow SWI gold: 200 m freestyle, 4×100 m freestyle relay, and 4×100 m freestyle mixed relay, bronze: 100 m freestyle
Lies Bonnier	NED	SWI	1952	0–1–0 1950 Wien SWI silver: 200 m breaststroke
Johan Bontekoe	NED	SWI	1964	1–0–0 1962 Leipzig SWI gold: 400 m freestyle
Christophe Bordeau	FRA	SWI	1988—1996	0–0–2 1991 Athina SWI bronze: 200 m butterfly; 1993 Sheffield SWI bronze: 4×200 m freestyle relay
Åke Borg	SWE	SWI	1924—1928	0–1–1 1926 Budapest SWI bronze: 4×200 m freestyle relay; 1927 Bologna SWI silver: 4×200 m freestyle relay
Arne Borg	SWE	SWI	1920—1928	5–2–1 1926 Budapest SWI gold: 400 m freestyle and 1500 m freestyle, silver: 100 m freestyle, bronze: 4×200 m freestyle relay; 1927 Bologna SWI gold: 100 m freestyle, 400 m freestyle, and 1500 m freestyle, silver: 4×200 m freestyle relay
Björn Borg	SWE	SWI	1936	2–0–0 1938 London SWI gold: 400 m freestyle and 1500 m freestyle
Karin Bormann	FRG	SWI	1972—1976	0–0–1 1970 Barcelona SWI bronze: 4×100 m medley relay (swam in heats only)
Klara Bornett	AUT	DIV	1924—1928	1–0–0 1927 Bologna DIV gold: 3 m springboard
Susanne Börnike	GDR	SWI	1988	3–0–1 1985 SWI Sofia bronze: 200 m medley; 1989 Bonn SWI gold: 100 m breaststroke, 200 m breaststroke, and 4×100 m medley relay
Edith Boss	SUI	SWA	1984—1988	0–1–4 1981 Split SYN bronze: team; 1987 Strasbourg SYN silver: duet, bronze: team; 1989 Bonn SYN bronze: duet and team
Paolo Bossini	ITA	SWI	2004—2008	1–1–0 2004 Madrid SWI gold: 200 m breaststroke; 2006 Budapest SWI silver: 200 m breaststroke
Tine Bossuyt	BEL	SWI	2000	0–0–1 2000 Helsinki SWI bronze: 4×100 m freestyle relay
Marjolijn Both	NED	SWA	1992	0–0–1 1991 Athina SYN bronze: duet
Cinthia Bouhier	FRA	SWA	2000	0–1–1 1999 İstanbul SYN silver: team; 2000 Helsinki SYN bronze: team
Lorys Bourelly	FRA	SWI	2016	2–0–1 2012 Debrecen SWI gold: 4×100 m freestyle relay (swam in heats only); 2016 London SWI gold: 4×100 m freestyle relay (swam in heats only), bronze: 4×100 m freestyle mixed relay (swam in heats only)
Fréd Bousquet	FRA	SWI	2000—2016	4–2–3 2000 Helsinki SWI bronze: 4×100 m freestyle relay; 2006 Budapest SWI bronze: 4×100 m freestyle relay (swam in heats only); 2010 Budapest SWI gold: 50 m freestyle and: 4×100 m medley relay, silver: 50 m butterfly; 2012 Debrecen SWI gold: 50 m freestyle ans 4×100 m freestyle relay, silver: 50 m butterfly; 2016 London SWI bronze: 4×100 m freestyle mixed relay (swam in heats only)
Rachel le Bozec	FRA	SWA	2000	0–2–1 1995 Wien SYN silver: team (competed in technical prelim only); 1997 Sevilla SYN silver: team (competed in technical prelim only); 1999 İstanbul SYN silver: team; 2000 Helsinki SYN bronze: team
Alicia Bozon	FRA	SWI	2000	0–0–1 2000 Helsinki SWI bronze: 4×200 m freestyle relay
Gilbert Bozon	FRA	SWI	1952—1956	1–1–0 1954 Torino SWI gold: 100 m backstroke, silver: 4×200 m freestyle relay
Elisa Bozzo	ITA	SWA	2016	0–3–7 2006 Budapest SYN bronze: team Free and team Free Routine Combination; 2008 Eindhoven SYN silver: team Free and team Free Routine Combination; 2012 Eindhoven SYN bronze: team Free and team Free Routine Combination; 2014 Berlin SYN bronze: team Free Routine Combination; 2016 London SYN silver: team Free, bronze: team Technical and team Free Routine Combination
Marco Braida	ITA	SWI	1992	0–0–1 1989 Bonn SWI bronze: 4×100 m medley relay
David Brandl	AUT	SWI	2008—2016	0–0–1 2008 Eindhoven SWI bronze: 4×200 m freestyle relay
Dorothea Brandt	GER	SWI	2004—2016	1–0–0 2010 Budapest SWI gold: 4×100 m freestyle relay (swam in heats only)
Ralf Braun	GER	SWI	1996—2000	1–1–1 1997 Sevilla SWI silver: 4×100 m medley relay, bronze: 200 m backstroke; 1999 İstanbul SWI gold: 200 m backstroke
Emiliano Brembilla	ITA	SWI	1996—2008	10–3–0 1997 Sevilla SWI gold: 400 m freestyle and 1500 m freestyle; 1999 İstanbul SWI silver: 400 m freestyle; 2000 Helsinki SWI gold: 400 m freestyle and 4×200 m freestyle relay, silver: 1500 m freestyle; 2002 Berlin SWI gold: 400 m freestyle and 4×200 m freestyle relay, silver: 200 m freestyle; 2004 Madrid SWI gold: 400 m freestyle and 4×200 m freestyle relay; 2006 Budapest SWI gold: 4×200 m freestyle relay (swam in heats only); 2008 Eindhoven SWI gold: 4×200 m freestyle relay
Chris-Carol Bremer	GER	SWI	1992—1996	0–0–2 1993 Sheffield SWI bronze: 200 m butterfly; 1995 Wien SWI bronze: 200 m butterfly
Karine Brémond	FRA	SWI	1996—2000	0–0–1 2000 Helsinki SWI bronze: 200 m breaststroke
Roman Brener	URS	DIV	1952—1956	2–0–1 1954 Torino DIV gold: 3 m springboard and platform; 1958 Budapest DIV bronze: 3 m springboard
Rosalind Brett	GBR	SWI	2000	1–0–0 2006 Budapest SWI gold: 4×100 m medley relay (swam in heats only)
Serhiy Breus	UKR	SWI	2008	2–2–1 2004 Madrid SWI gold: 50 m butterfly; 2006 Budapest SWI gold: 50 m butterfly, silver: 4×100 m medley relay (swam in heats only); 2008 Eindhoven SWI silver: 50 m butterfly; 2012 Debrecen SWI bronze: 800 m freestyle
Karin Brienesse	NED	SWI	1988—1996	1–2–3 1985 Sofia SWI bronze: 4×100 m freestyle relay; 1987 Strasbourg SWI silver: 4×100 m freestyle relay; 1991 Athina SWI gold: 4×100 m freestyle relay, silver: 100 m freestyle, bronze: 4×200 m freestyle relay and 4×100 m medley relay
Enith Brigitha	NED	SWI	1972—1976	0–4–3 1974 Wien SWI silver: 200 m freestyle and 4×100 m freestyle relay, bronze: 100 m freestyle, 100 m backstroke, and 200 m backstroke; 1977 Jönköping SWI silver: 100 m freestyle and 4×100 m freestyle relay
Brian Brinkley	GBR	SWI	1972—1976	0–2–0 1974 Wien SWI silver: 200 m butterfly and 4×100 m medley relay
John Brockway	GBR	SWI	1948—1956	0–0–1 1954 Torino SWI bronze: 100 m backstroke
Viktor Bromer	DEN	SWI	2016	1–1–0 2014 Berlin SWI gold: 200 m butterfly; 2016 London SWI silver: 200 m butterfly
Suki Brownsdon	GBR	SWI	1980—1992	0–1–0 1981 Split SWI silver: 100 m breaststroke
Peter Bruch	GDR	SWI	1972	0–0–1 1974 Wien SWI bronze: 4×100 m freestyle relay (swam in heats only)
Annika Bruhn	GER	SWI	2012—2016	1–0–1 2018 Glasgow SWI gold: 4×200 m freestyle mixed relay, bronze: 4×200 m freestyle relay
Inge de Bruijn	NED	SWI	1992—2004	3–2–3 1991 Athina SWI gold: 4×100 m freestyle relay, silver: 100 m butterfly, bronze: 50 m freestyle and 4×100 m medley relay; 1993 Sheffield SWI bronze: 50 m freestyle; 1999 İstanbul SWI gold: 50 m freestyle and 100 m butterfly, silver: 100 m freestyle
Mara Brunetti	ITA	SWA	1996—2000	0–1–2 1995 Wien SYN bronze: team; 1999 İstanbul SYN bronze: team; 2000 Helsinki SYN silver: team
Rachele Bruni	ITA	SWI	2016	8–2–1 2008 Dubrovnik SWI gold: 5 km and 5 km team; 2010 Budapest SWI silver: 5 km team; 2011 Eilat SWI gold: 5 km and 5 km team, silver: 10 km; 2012 Piombino SWI gold: 5 km and 5 km team; 2016 Hoorn SWI gold: 10 km and 5 km team; 2018 Loch Lomond SWI bronze: 5 km
Lennart Brunnhage	SWE	DIV	1948	0–1–0 1947 Monte Carlo DIV silver: platform
Olga Brusnikina	RUS	SWA	1996—2004	11–0–0 1993 Sheffield SYN gold: team; 1995 Wien SYN gold: team; 1997 Sevilla SYN gold: duet and team; 1999 İstanbul SYN gold: solo, duet, and team; 2000 Helsinki SYN gold: solo, duet, and team; 2004 Madrid SYN gold: team Free
Maarten Brzoskowski	NED	SWI	2016	1–0–0 2016 London SWI gold: 4×200 m freestyle relay
Kira Bulten	NED	SWI	1992	0–0–2 1989 Bonn SWI bronze: 4×100 m medley relay; 1991 Athina SWI bronze: 4×100 m medley relay
Carmen Bunaciu	ROU	SWI	1980—1984	0–0–3 1977 Jönköping SWI bronze: 200 m backstroke; 1981 Split SWI bronze: 100 m backstroke; 1983 Roma SWI bronze: 100 m backstroke
Federico Burdisso	ITA	SWI	2018	0–0–1 2018 Glasgow SWI bronze: 200 m butterfly
Vladimir Bure	URS	SWI	1968—1976	2–4–2 1966 Utrecht SWI gold: 4×200 m freestyle relay (swam in heats only); 1970 Barcelona SWI gold: 4×100 m freestyle relay, silver: 4×200 m freestyle relay; 1974 Wien SWI silver: 100 m freestyle and 4×100 m freestyle relay, bronze: 4×100 m medley relay; 1977 Jönköping SWI silver: 100 m freestyle, bronze: 4×100 m freestyle relay
Giovanna Burlando	ITA	SWA	1992—2000	0–1–9 1991 Athina SYN bronze: team; 1993 Sheffield SYN bronze: team; 1995 Wien SYN bronze: duet and team; 1997 Sevilla SYN bronze: solo and team; 1999 İstanbul SYN bronze: solo, duet, and team; 2000 Helsinki SYN silver: team
Jack Burnell	GBR	SWI	2016	0–1–0 2016 Hoorn SWI silver: 10 km
Simon Burnett	GBR	SWI	2004—2012	0–1–1 2006 Budapest SWI silver: 4×200 m freestyle relay, bronze: 4×100 m medley relay
Kim Busch	NED	SWI	2014	0–1–0 2018 Glasgow SWI silver: 4×100 m freestyle relay
Antje Buschschulte	GER	SWI	1996—2008	6–3–4 1997 Sevilla SWI gold: 100 m backstroke, 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay, silver: 200 m backstroke, bronze: 100 m freestyle; 1999 İstanbul SWI gold: 4×100 m freestyle relay; 2000 Helsinki SWI bronze: 200 m backstroke; 2002 Berlin SWI gold: 4×100 m medley relay, bronze: 100 m backstroke; 2006 Budapest SWI silver: 100 m backstroke and 4×100 m medley relay, bronze: 50 m backstroke
Nicolae Butacu	ROU	SWI	1996	0–1–0 1995 Wien SWI silver: 200 m backstroke
Cobie Buter	NED	SWI	1968	0–0–1 1970 Barcelona SWI bronze: 100 m backstroke
Kimberly Buys	BEL	SWI	2012—2016	0–0–1 2018 Glasgow SWI bronze: 50 m butterfly
Derya Büyükuncu	TUR	SWI	1992—2012	0–0–1 2000 Helsinki SWI bronze: 100 m backstroke
Nataliya Bystrova	URS	SWI	1964	0–1–0 1970 Barcelona SWI silver: 4×100 m medley relay (swam in heats only)
Melissa Caballero	ESP	SWI	2004	1–1–0 2002 Berlin SWI silver: 4×200 m freestyle relay; 2004 Madrid SWI gold: 4×200 m freestyle relay
Alba Cabello	ESP	SWA	2008—2012	4–4–2 2006 Budapest SYN silver: team Free and team Free Routine Combination; 2008 Eindhoven SYN gold: team Free and team Free Routine Combination; 2010 Budapest SYN silver: team Free and team Free Routine Combination; 2012 Eindhoven SYN gold: team Free and team Free Routine Combination; 2014 Berlin SYN bronze: team Free; 2016 London SYN bronze: team Free
Franco Cagnotto	ITA	DIV	1964—1980	1–2–2 1966 Utrecht DIV bronze: 3 m springboard; 1970 Barcelona DIV gold: 3 m springboard, bronze: platform; 1974 Wien DIV silver: 3 m springboard; 1977 Jönköping DIV silver: 3 m springboard
Tania Cagnotto	ITA	DIV	2000—2016	10–4–3 2002 Berlin DIV silver: platform, bronze: synchronized springboard; 2004 Madrid DIV gold: platform, bronze: 1 m springboard; 2008 Eindhoven DIV gold: platform, bronze: synchronized platform; 2010 Budapest DIV gold: 1 m springboard and synchronized springboard; 2012 Eindhoven DIV gold: synchronized springboard, silver: 1 m springboard; 2014 Berlin DIV gold: 1 m springboard and synchronized springboard, silver: 3 m springboard; 2016 London DIV gold: 1 m springboard, 3 m springboard, and synchronized springboard, silver: synchronized springboard (mixed)
Beatrice Callegari	ITA	SWA	2016	0–2–6 2012 Eindhoven SYN bronze: team Free Routine Combination; 2014 Berlin SYN bronze: team Free Routine Combination; 2016 London SYN silver: team Free, bronze: team Technical and team Free Routine Combination; 2018 Glasgow SYN silver: team Free Routine Combination, bronze: team Free and team Technical
Novella Calligaris	ITA	SWI	1968—1972	0–1–2 1970 Barcelona SWI bronze: 800 m freestyle; 1974 Wien SWI silver: 800 m freestyle, bronze: 400 m freestyle
Alessandro Calvi	ITA	SWI	2004—2008	2–1–0 2004 Madrid SWI gold: 4×100 m freestyle relay (swam in heats only); 2006 Budapest SWI gold: 4×100 m freestyle relay; 2008 Eindhoven SWI silver: 4×100 m freestyle relay
Richard Campion	GBR	SWI	1960	0–0–1 1962 Leipzig SWI bronze: 1500 m freestyle
Alessandra Cappa	ITA	SWI	2004	0–0–1 2004 Madrid SWI bronze: 50 m backstroke
Federico Cappellazzo	ITA	SWI	2004	3–0–0 2000 Helsinki SWI gold: 4×200 m freestyle relay (swam in heats only); 2002 Berlin SWI gold: 4×200 m freestyle relay; 2004 Madrid SWI gold: 4×200 m freestyle relay (swam in heats only)
Anne Capron	FRA	SWA	1988—1992	4–2–1 1985 Sofia SYN gold: team; 1987 Strasbourg SYN gold: duet (competed in preliminary round only) and team; 1989 Bonn SYN gold: team; 1991 Athina SYN silver: duet and team, bronze: solo
Ona Carbonell	ESP	SWA	2012—2016	3–6–2 2008 Eindhoven SYN gold: team Free; 2010 Budapest SYN silver: duet, team Free, and team Free Routine Combination; 2012 Eindhoven SYN gold: team Free and team Free Routine Combination, silver: duet; 2014 Berlin SYN silver: solo and team Free Routine Combination, bronze: duet and team Free
Diletta Carli	ITA	SWI	2012—2016	1–0–0 2012 Debrecen SWI gold: 4×200 m freestyle relay
Marco di Carli	GER	SWI	2004—2012	0–1–0 2012 Debrecen SWI silver: 4×100 m medley relay
Jazz Carlin	GBR	SWI	2016	2–2–1 2010 Budapest SWI bronze: 4×200 m freestyle relay; 2014 Berlin SWI gold: 400 m freestyle and 800 m freestyle; 2016 London SWI silver: 400 m freestyle and 800 m freestyle
Cathrin Carlzon	SWE	SWI	2004	0–1–1 2002 Berlin SWI silver: 4×100 m freestyle relay (swam in heats only); 2004 Madrid SWI bronze: 4×100 m freestyle relay
Anja Čarman	SLO	SWI	2004—2012	0–2–0 2004 Madrid SWI silver: 800 m freestyle and 200 m backstroke
Manuela Carnini	ITA	SWA	1996	0–0–4 1991 Athina SYN bronze: team; 1993 Sheffield SYN bronze: team; 1995 Wien SYN bronze: duet and team
Fernande Caroen	BEL	SWI	1948	0–0–2 1938 SWI London bronze: 400 m freestyle; 1947 Monte Carlo SWI bronze: 400 m freestyle
Kiki Caron	FRA	SWI	1964—1985	1–0–0 1966 Utrecht SWI gold: 100 m backstroke
Stéphan Caron	FRA	SWI	1984—1992	1–3–0 1985 Sofia SWI gold: 100 m freestyle; 1987 Strasbourg SWI silver: 100 m freestyle; 1989 Bonn SWI silver: 4×100 m freestyle relay and 4×100 m medley relay
Manuela Carosi	ITA	SWI	1980—1988	0–1–0 1989 Bonn SWI silver: 4×100 m medley relay
Alice Carpanese	ITA	SWI	2008	0–0–1 2008 Eindhoven SWI bronze: 4×200 m freestyle relay
Brunella Carrafelli	ITA	SWA	1996	0–0–2 1995 Wien SYN bronze: team (competed in technical prelim only); 1997 Sevilla SYN bronze: team
Martina Carraro	ITA	SWI	2010—2016	0–2–0 2016 London SWI silver: 4×100 m medley relay and 4×100 m medley mixed relay
David Carry	GBR	SWI	2004—2012	0–1–0 2006 Budapest SWI silver: 4×200 m freestyle relay
Fritze Carstensen	DEN	SWI	1948	2–0–0 1947 Monte Carlo SWI gold: 100 m freestyle and 4×100 m freestyle relay
Jim Carter	GBR	SWI	1972—1980	0–1–1 1974 Wien SWI silver: 1500 m freestyle; 1977 Jönköping SWI bronze: 4×100 m medley relay
Chiara Cassin	ITA	SWA	2000	0–1–2 1997 Sevilla SYN bronze: team; 1999 İstanbul SYN bronze: team; 2000 Helsinki SYN silver: team
Nicola Cassio	ITA	SWI	2008	2–0–0 2006 Budapest SWI gold: 4×200 m freestyle relay; 2008 Eindhoven SWI gold: 4×200 m freestyle relay
Alexianne Castel	FRA	SWI	2008—2012	1–0–0 2012 Debrecen SWI gold: 200 m backstroke
Arianna Castiglioni	ITA	SWI	2016	0–1–4 2014 Berlin SWI bronze: 100 m breaststroke; 2016 London SWI silver: 4×100 m medley relay (swam in heats only); 2018 Glasgow SWI bronze: 50 m breaststroke, 100 m breaststroke, and 4×100 m medley mixed relay (swam in heats only)
Patricia Castro	ESP	SWI	2012—2016	0–1–0 2016 London SWI silver: 4×200 m freestyle relay
Camilla Cattaneo	ITA	SWA	2016	0–1–5 2012 Eindhoven SYN bronze: team Free and team Free Routine Combination; 2014 Berlin SYN bronze: team Free Routine Combination; 2016 London SYN silver: team Free, bronze: team Technical and team Free Routine Combination
René Cavalero	FRA	SWI	1936	0–1–0 1938 London SWI silver: 4×200 m freestyle relay
Paola Cavallino	ITA	SWI	2004—2008	0–1–0 2004 Madrid SWI silver: 200 m butterfly
Milorad Čavić	SRB SCG	SWI	2000—2012	2–0–0 2008 Eindhoven SWI gold: 50 m butterfly (competed for Serbia); 2012 Debrecen SWI gold: 100 m butterfly (competed for Serbia)
Andrea Ceccarini	ITA	SWI	1980—1988	0–0–1 1985 Sofia SWI bronze: 4×100 m medley relay
Maurizia Cecconi	ITA	SWA	1996—2000	0–1–4 1993 Sheffield SYN bronze: team; 1995 Wien SYN bronze: team; 1999 İstanbul SYN bronze: duet and team; 2000 Helsinki SYN silver: team
Paola Celli	ITA	SWA	1992—1996	0–0–3 1991 Athina SYN bronze: team; 1993 Sheffield SYN bronze: team; 1995 Wien SYN bronze: team
Simone Cercato	ITA	SWI	2000—2004	2–0–1 2000 Helsinki SWI gold: 4×200 m freestyle relay; 2002 Berlin SWI bronze: 4×100 m freestyle relay; 2004 Madrid SWI gold: 4×100 m freestyle relay (swam in heats only)
Tone Cerer	YUG	SWI	1936—1948	0–0–2 1938 London SWI bronze: 200 m breaststroke; 1947 Monte Carlo SWI bronze: 200 m breaststroke
Hana Černá	CZE TCH	SWI	1992—2000	0–0–3 1993 Sheffield SWI bronze: 400 m medley (competed for the Czech Republic); 1997 Sevilla SWI bronze: 400 m medley (competed for the Czech Republic); 1999 İstanbul SWI bronze: 400 m medley (competed for the Czech Republic)
Linda Cerruti	ITA	SWA	2016	0–3–12 2012 Eindhoven SYN bronze: team Free Routine Combination; 2014 Berlin SYN bronze: team Free Routine Combination; 2016 London SYN silver: team Free, bronze: solo Technical, solo Free, duet Technical, duet Free, and team Free Routine Combination; 2018 Glasgow SYN silver: solo Free and team Free Routine Combination bronze: solo Technical, duet Free, duet Technical, team Free,and team Technical
Mikhail Chachba	URS	DIV	1952—1956	0–2–0 1954 Torino DIV silver: platform; 1958 Budapest DIV silver: platform
Anastasiya Chaun	RUS	SWI	2012	1–0–0 2010 Budapest SWI gold: 200 m breaststroke
Aleksandr Chayev	URS	SWI	1980	1–0–0 1981 Split SWI gold: 4×200 m freestyle relay
Nadezhda Chemezova	RUS	SWI	1996—2000	0–1–1 1997 Sevilla SWI silver: 200 m freestyle, bronze: 4×100 m freestyle relay
Mariya Chernyayeva	URS	SWA	1988	0–3–0 1987 Strasbourg SYN silver: team; 1989 Bonn SYN silver: duet and team
Dmitry Chernyshov	RUS	SWI	2000	2–2–1 1999 İstanbul SWI silver: 4×100 m freestyle relay, bronze: 4×200 m freestyle relay; 2000 Helsinki SWI gold: 4×100 m freestyle relay and 4×100 m medley relay; 2004 Madrid SWI silver: 4×200 m freestyle relay (swam in heats only)
Ihor Chervynskyi	UKR	SWI	2000—2012	1–1–1 2000 Helsinki SWI gold: 1500 m freestyle; 2002 Berlin SWI bronze: 1500 m freestyle; 2004 Madrid SWI silver: 1500 m freestyle
Vlada Chigiryova	RUS	SWA	2016	3–0–0 2014 Berlin SYN gold: team Free; 2016 London SYN gold: team Technical and team Free Routine Combination
Edna Child	GBR	DIV	1948	0–0–1 1938 London DIV bronze: 3 m springboard
Svetlana Chimrova	RUS	SWI	2016	1–3–1 2014 Berlin SWI bronze: 4×100 m medley mixed relay (swam in heats only); 2018 Glasgow SWI gold: 4×100 m medley relay, silver: 100 m butterfly, 200 m butterfly, and 4×100 m medley mixed relay
Cristina Chiuso	ITA	SWI	1992—2008	0–2–0 2000 Helsinki SWI silver: 4×100 m freestyle relay; 2008 Eindhoven SWI silver: 4×100 m freestyle relay
Petra Chocová	CZE	SWI	2012	1–0–0 2012 Debrecen SWI gold: 50 m breaststroke
Giorgi Chogovadze	URS EUN	DIV	1988—1992	2–0–0 1987 Strasbourg DIV gold: platform (competed for the Soviet Union); 1989 Bonn DIV gold: platform (competed for the Soviet Union)
Laëtitia Choux	FRA	SWI	1996—2000	0–0–1 2000 Helsinki SWI bronze: 4×200 m freestyle relay
Glen Christiansen	SWE	SWI	1980	0–1–0 1981 Split SWI silver: 4×100 m medley relay
Henrik Christiansen	NOR	SWI	2014—2016	0–2–0 2016 London SWI silver: 400 m freestyle; 2018 Glasgow SWI silver: 400 m freestyle
Thomas Christiansen	DEN	DIV	1948—1952	1–0–1 1947 Monte Carlo DIV gold: platform; 1950 Wien DIV bronze: platform
Birte Christoffersen-Hanson	DEN SWE	DIV	1948—1960	0–2–3 1950 Wien DIV bronze: 3 m springboard and platform (competed as Birte Christoffersen for Denmark); 1954 Torino DIV silver: 3 m springboard and platform (competed as Birte Hanson for Sweden); 1958 Budapest DIV bronze: platform (competed as Birte Hanson for Sweden)
Robert Christophe	FRA	SWI	1956—1964	2–1–0 1958 Budapest SWI gold: 100 m backstroke; 1962 Leipzig SWI gold: 4×100 m freestyle relay, silver: 4×200 m freestyle relay
Valentina Chumicheva	URS	DIV	1952—1956	1–0–0 1954 Torino DIV gold: 3 m springboard
Anton Chupkov	RUS	SWI	2014—2016	1–1–1 2018 Glasgow SWI gold: 200 m breaststroke, silver: 4×100 m medley relay, bronze: 100 m breaststroke
Monica Cirulli	ITA	SWA	2004	0–1–2 2002 Berlin SYN bronze: team; 2004 Madrid SYN silver: team Free Routine Combination, bronze: team Free
Stanley Clarke	GBR	SWI	1960	0–1–0 1962 Leipzig SWI silver: 4×100 m freestyle relay
Andrew Clayton	GBR	SWI	1996—2000	1–0–0 1997 Sevilla SWI gold: 4×200 m freestyle relay
Valerio Cleri	ITA	SWI	2008—2012	2–1–0 2008 Dubrovnik SWI gold: 25 km; 2010 Budapest SWI gold: 25 km, silver: 10 km
Beatrice Coadă-Cășlaru	ROU	SWI	1992—2004	3–8–4 1991 Athina SWI silver: 400 m freestyle, 200 m breaststroke, 200 m medley, and 400 m medley (competed as Beatrice Coadă); 1999 İstanbul SWI silver: 200 m breaststroke, 200 m medley, and 400 m medley, bronze: 4×200 m freestyle relay (competed as Beatrice Cășlaru); 2000 Helsinki SWI gold: 200 m breaststroke, 200 m medley, and 4×200 m freestyle relay, silver: 400 m medley, bronze: 4×100 m medley relay (competed as Beatrice Cășlaru); 2004 Madrid SWI bronze: 200 m medley and 4×200 m freestyle relay (competed as Beatrice Cășlaru)
Neil Cochran	GBR	SWI	1984—1988	0–1–0 1987 Strasbourg SWI silver: 4×100 m medley relay
Piero Codia	ITA	SWI	2016	2–1–0 2012 Debrecen SWI gold: 4×100 m medley relay (swam in heats only); 2016 London SWI silver: 4×100 m medley mixed relay; 2018 Glasgow SWI gold: 100 m butterfly
Michelle Coleman	SWE	SWI	2012—2016	1–3–1 2012 Debrecen SWI silver: 4×100 m freestyle relay; 2014 Berlin SWI gold: 4×100 m freestyle relay, silver: 4×200 m freestyle relay and 4×100 m medley relay, bronze: 100 m freestyle
Dimitri Colupaev	GER	SWI	2012	1–1–0 2012 Debrecen SWI gold: 4×200 m freestyle relay, silver: 4×100 m medley relay (swam in heats only)
Dragoș Coman	ROU	SWI	2000—2008	0–2–6 1999 İstanbul SWI silver: 1500 m freestyle, bronze: 400 m freestyle; 2000 Helsinki SWI silver: 400 m freestyle, bronze: 1500 m freestyle; 2002 Berlin SWI bronze: 400 m freestyle; 2004 Madrid SWI bronze: 400 m freestyle and 1500 m freestyle; 2008 Eindhoven SWI bronze: 800 m freestyle
Antonio Conelli	ITA	SWI	1928	0–0–1 1931 Paris SWI bronze: 4×200 m freestyle relay
Lars Conrad	GER	SWI	2000—2004	2–3–3 1997 Sevilla SWI bronze: 4×200 m freestyle relay; 1999 İstanbul SWI gold: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay; 2000 Helsinki SWI silver: 4×100 m freestyle relay and 4×200 m freestyle relay (swam in heats only); 2002 Berlin SWI gold: 4×100 m freestyle relay, silver: 4×200 m freestyle relay, bronze: 4×100 m medley relay (swam in heats only)
Chris Cook	GBR	SWI	2004—2008	0–0–1 2006 Budapest SWI bronze: 4×100 m medley relay (swam in heats only)
Rebecca Cooke	GBR	SWI	2000—2004	0–0–1 2006 Budapest SWI bronze: 800 m freestyle
Joyce Cooper	GBR	SWI	1928—1932	1–4–1 1927 Bologna SWI gold: 4×100 m freestyle relay, silver: 100 m freestyle; 1931 Paris SWI silver: 400 m freestyle, 100 m backstroke, and 4×100 m freestyle relay, bronze: 100 m freestyle
Todd Cooper	GBR	SWI	2004—2008	0–0–1 2006 Budapest SWI bronze: 4×100 m medley relay
Raquel Corral	ESP	SWA	2004—2008	3–4–0 2002 Berlin SYN silver: team; 2004 Madrid SYN gold: team Free Routine Combination, silver: team Free; 2006 Budapest SYN silver: team Free and team Free Routine Combination; 2008 Eindhoven SYN gold: team Free and team Free Routine Combination
Melani Costa	ESP	SWI	2008—2016	0–1–0 2016 London SWI silver: 4×200 m freestyle relay
Tamara Costache	ROU	SWI	1988	1–0–1 1987 Strasbourg SWI gold: 50 m freestyle, bronze: 100 m freestyle
Paolo Costoli	ITA	SWI	1928—1932	0–2–4 1931 Paris SWI bronze: 400 m freestyle, 1500 m freestyle, and 4×200 m freestyle relay; 1934 Magdeburg SWI silver: 400 m freestyle and 1500 m freestyle, bronze: 4×200 m freestyle relay
Mary Anne Cotterill	GBR	SWI	1964	0–0–1 1962 Leipzig SWI bronze: 4×100 m medley relay
Tonia Couch	GBR	DIV	2008—2016	1–1–0 2012 Eindhoven DIV gold: synchronized platform; 2016 London DIV silver: platform
Céline Couderc	FRA	SWI	2004—2008	1–1–3 2004 Madrid SWI gold: 4×100 m freestyle relay, silver: 4×200 m freestyle relay; 2006 Budapest SWI bronze: 4×100 m freestyle relay, 4×200 m freestyle relay (swam in heats only), and 4×100 m medley relay
Luciano Cozzi	ITA	DIV	1928	0–0–1 1927 Bologna DIV bronze: 3 m springboard
Margalida Crespí	ESP	SWA	2012	2–3–1 2010 Budapest SYN silver: team Free and team Free Routine Combination; 2012 Eindhoven SYN gold: team Free and team Free Routine Combination; 2014 Berlin SYN silver: team Free Routine Combination, bronze: team Free
Renée Cretté-Flavier	FRA	DIV	1928	0–0–1 1931 Paris DIV bronze: platform
Louis Croenen	BEL	SWI	2012—2016	0–1–2 2014 Berlin SWI bronze: 4×200 m freestyle relay; 2016 London SWI silver: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay (swam in heats only)
Julia Cruz	ESP	DIV	1992—1996	0–0–1 1997 Sevilla DIV bronze: synchronized springboard
Judit Csabai	HUN	SWI	1988	0–0–1 1987 Strasbourg SWI bronze: 800 m freestyle
László Cseh	HUN	SWI	2004—2016	14–4–5 2004 Madrid SWI gold: 100 m backstroke and 400 m medley, bronze: 4×100 m medley relay; 2006 Budapest SWI gold: 200 m medley and 400 m medley, silver: 200 m backstroke; 2008 Eindhoven SWI gold: 200 m medley and 400 m medley; 2010 Budapest SWI gold: 200 m medley and 400 m medley; 2012 Debrecen SWI gold: 200 m butterfly, 200 m medley, and 400 m medley, silver: 100 m butterfly, bronze: 4×200 m freestyle relay and 4×100 m medley relay; 2014 Berlin SWI gold: 200 m medley, silver: 100 m butterfly, bronze: 4×100 m medley relay; 2016 London SWI gold: 100 m butterfly and 200 m butterfly, silver: 50 m butterfly, bronze: 4×100 m medley relay
Ferenc Csík	HUN	SWI	1936	2–0–0 1934 Magdeburg SWI gold: 100 m freestyle and 4×200 m freestyle relay
József Csikány	HUN	SWI	1960—1964	0–0–2 1962 Leipzig SWI bronze: 200 m backstroke; 1966 Utrecht SWI bronze: 4×100 m medley relay
György Csordás	HUN	SWI	1948—1956	2–0–0 1954 Torino SWI gold: 400 m freestyle and 1500 m freestyle
Colin Cunningham	GBR	SWI	1972	0–1–0 1974 Wien SWI silver: 4×100 m medley relay
Jean-Pascal Curtillet	FRA	SWI	1960—1964	1–1–0 1962 Leipzig SWI gold: 4×100 m freestyle relay, silver: 4×200 m freestyle relay
Attila Czene	HUN	SWI	1992—2000	0–3–0 1993 Sheffield SWI silver: 200 m medley; 1995 Wien SWI silver: 200 m medley and 4×100 m medley relay
Konrad Czerniak	POL	SWI	2012—2016	1–2–2 2010 Budapest SWI bronze: 100 m butterfly; 2014 Berlin SWI gold: 100 m butterfly, silver: 50 m freestyle; 2016 London SWI silver: 100 m butterfly; 2018 Glasgow SWI bronze: 4×100 m freestyle relay
Agnieszka Czopek	POL	SWI	1980	0–0–2 1981 Split SWI bronze: 200 m butterfly and 400 m medley
Andrea D'Arrigo	ITA	SWI	2016	0–1–1 2014 Berlin SWI silver: 400 m freestyle; 2016 London SWI bronze: 4×200 m freestyle relay
Duane Da Rocha	ESP	SWI	2012—2016	1–0–2 2010 Budapest SWI bronze: 200 m backstroke; 2012 Debrecen SWI bronze: 200 m backstroke; 2014 Berlin SWI gold: 200 m backstroke
Étienne Dagon	SUI	SWI	1984—1988	0–0–1 1985 Sofia SWI bronze: 200 m breaststroke
Britta Dahm	FRG	SWI	1988	0–0–1 1987 Strasbourg SWI bronze: 4×100 m medley relay
Heike Dähne	GDR	SWI	1980	0–1–0 1981 Split SWI silver: 200 m butterfly
Irene Dalby	NOR	SWI	1988—1996	2–1–4 1989 Bonn SWI bronze: 800 m freestyle; 1991 Athina SWI gold: 400 m freestyle and 800 m freestyle; 1993 Sheffield SWI silver: 800 m freestyle, bronze: 400 m freestyle; 1995 Wien SWI bronze: 400 m freestyle and 800 m freestyle
Euan Dale	GBR	SWI	2008	0–1–0 2006 Budapest SWI silver: 4×200 m freestyle relay (swam in heats only)
Tom Daley	GBR	DIV	2008—2016	4–2–0 2008 Eindhoven DIV gold: platform; 2012 Eindhoven DIV gold: platform; 2014 Berlin DIV silver: platform; 2016 London DIV gold: platform and synchronized springboard (mixed), silver: synchronized platform
Manuela Dalla Valle	ITA	SWI	1984—1996	0–3–1 1987 Strasbourg SWI silver: 100 m breaststroke and 4×100 m medley relay; 1989 Bonn SWI silver: 4×100 m medley relay, bronze: 100 m breaststroke
Francesca Dallapè	ITA	DIV	2008—2016	4–0–0 2010 Budapest DIV gold: synchronized springboard; 2012 Eindhoven DIV gold: synchronized springboard; 2014 Berlin DIV gold: synchronized springboard; 2016 London DIV gold: synchronized springboard
Petra Dallmann	GER	SWI	2004—2008	5–0–0 2002 Berlin SWI gold: 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay (swam in heats only); 2006 Budapest SWI gold: 4×100 m freestyle relay and 4×200 m freestyle relay
Julie Danaux	FRA	DIV	1996—2000	0–1–2 1997 Sevilla DIV silver: synchronized platform; 1999 İstanbul DIV bronze: synchronized springboard and synchronized platform
Eszter Dara	HUN	SWI	2008—2012	1–0–0 2010 Budapest SWI gold: 4×200 m freestyle relay
Tamás Darnyi	HUN	SWI	1988—1992	8–0–0 1985 Sofia SWI gold: 200 m medley and 400 m medley; 1987 Strasbourg SWI gold: 200 m medley and 400 m medley; 1989 Bonn SWI gold: 200 m butterfly, 200 m medley, and 400 m medley; 1993 Sheffield SWI gold: 400 m medley
Uwe Daßler	GDR	SWI	1988	3–1–2 1985 Sofia SWI gold: 400 m freestyle and 1500 m freestyle; 1987 Strasbourg SWI gold: 400 m freestyle, silver: 1500 m freestyle; 1989 Bonn SWI bronze: 4×200 m freestyle relay; 1991 Athina SWI bronze: 4×200 m freestyle relay (competed for Germany)
Gerda Daumerlang	GER	DIV	1936	0–1–0 1938 London DIV silver: 3 m springboard
Ross Davenport	GBR	SWI	2004—2012	0–1–1 2006 Budapest SWI silver: 4×200 m freestyle relay, bronze: 4×100 m medley relay (swam in heats only)
Dave Davies	GBR	SWI	2004—2012	0–1–0 2008 Eindhoven SWI silver: 1500 m freestyle
Georgia Davies	GBR	SWI	2012—2016	5–2–4 2014 Berlin SWI gold: 4×100 m medley mixed relay (swam in heats only), silver: 50 m backstroke, bronze: 100 m backstroke and 4×100 m medley relay; 2016 London SWI gold: 4×100 m medley relay (swam in heats only) and 4×100 m medley mixed relay (swam in heats only), bronze: 50 m backstroke; 2018 Glasgow SWI gold: 50 m backstroke and 4×100 m medley mixed relay, silver: 100 m backstroke, bronze: 4×100 m medley relay
Sharron Davies	GBR	SWI	1976—1992	0–0–2 1977 Jönköping SWI bronze: 400 m medley and 4×100 m freestyle relay
Valerie Davies	GBR	SWI	1932	1–1–0 1927 Bologna SWI gold: 4×100 m freestyle relay; 1931 Paris SWI silver: 4×100 m freestyle relay
Anastasiya Davydova	RUS	SWA	2004—2012	6–1–0 2002 Berlin SYN gold: duet and team, silver: solo; 2004 Madrid SYN gold: duet and team Free; 2006 Budapest SYN gold: duet and team Free Routine Combination
Martina De Memme	ITA	SWI	2016	1–0–0 2012 Debrecen SWI gold: 4×200 m freestyle relay (swam in heats only)
Fred Deburghgraeve	BEL	SWI	1992—1996	1–0–1 1995 Wien SWI gold: 100 m breaststroke, bronze: 200 m breaststroke
Virginie Dedieu	FRA	SWA	1996—2004	2–8–3 1997 Sevilla SYN silver: solo, duet, and team; 1999 İstanbul SYN silver: solo, duet, and team; 2000 Helsinki SYN silver: solo and duet, bronze: team; 2002 Berlin SYN gold: solo, bronze: duet; 2004 Madrid SYN gold: solo, bronze: duet
Steffen Deibler	GER	SWI	2008—2016	0–1–0 2012 Debrecen SWI silver: 4×100 m medley relay
Francesca Deidda	ITA	SWA	2016	0–2–6 2012 Eindhoven SYN bronze: team Free Routine Combination; 2014 Berlin SYN bronze: team Free Routine Combination; 2016 London SYN silver: team Free, bronze: team Technical and team Free Routine Combination; 2018 Glasgow SYN silver: team Free Routine Combination, bronze: team Free and team Technical
Inge Dekker	NED	SWI	2004—2016	2–6–3 2004 Madrid SWI silver: 4×100 m freestyle relay, bronze: 4×100 m medley relay (swam in heats only); 2006 Budapest SWI gold: 100 m butterfly, silver: 4×100 m freestyle relay; 2008 Eindhoven SWI gold: 4×100 m freestyle relay, silver: 50 m butterfly and 100 m butterfly, bronze: 100 m freestyle and 4×100 m medley relay; 2014 Berlin SWI silver: 4×100 m freestyle relay and 4×100 m medley mixed relay
Dieter Dekoninck	BEL	SWI	2012—2016	0–1–1 2016 London SWI silver: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay
Frédéric Delcourt	FRA	SWI	1980—1984	0–0–1 1981 Split SWI bronze: 200 m backstroke
Francesco Dell'Uomo	ITA	DIV	2004—2012	0–0–2 2006 Budapest DIV bronze: synchronized platform; 2008 Eindhoven DIV bronze: platform
Willy den Ouden	NED	SWI	1932—1936	3–3–0 1931 Paris SWI gold: 4×100 m freestyle relay, silver: 100 m freestyle; 1934 Magdeburg SWI gold: 100 m freestyle and 4×100 m freestyle relay, silver: 400 m freestyle; 1938 London SWI silver: 4×100 m freestyle relay
Yelena Dendeberova	URS EUN	SWI	1988—1992	0–2–1 1985 Sofia SWI silver: 4×100 m medley relay, bronze: 400 m freestyle (competed for the Soviet Union); 1987 Strasbourg SWI silver: 400 m medley (competed for the Soviet Union)
Fritz Dennerlein	ITA	SWI/WAP	1956—1964	0–1–1 1958 Budapest SWI silver: 4×200 m freestyle relay, bronze: 4×100 m medley relay
Jérémy Desplanches	SUI	SWI	2016	1–0–0 2018 Glasgow SWI gold: 200 m medley
Gabriele Detti	ITA	SWI	2012—2016	1–2–3 2014 Berlin SWI bronze: 800 m freestyle and 1500 m freestyle; 2016 London SWI gold: 400 m freestyle, silver: 800 m freestyle and 1500 m freestyle, bronze: 4×200 m freestyle relay
Tamás Deutsch	HUN	SWI	1988—1996	0–2–1 1991 Athina SWI bronze: 4×100 m medley relay; 1993 Sheffield SWI silver: 4×100 m medley relay; 1995 Wien SWI silver: 4×100 m medley relay
Tetiana Dev'iatova	URS	SWI	1964—1968	0–1–0 1966 Utrecht SWI silver: 4×100 m medley relay
Alex Di Giorgio	ITA	SWI	2012—2016	0–1–0 2012 Debrecen SWI silver: 4×200 m freestyle relay (swam in heats only)
Elena Di Liddo	ITA	SWI	2010	0–0–2 2018 Glasgow SWI bronze: 100 m butterfly and 4×100 m medley mixed relay
Silvia Di Pietro	ITA	SWI	2016	0–2–0 2012 Debrecen SWI silver: 4×100 m medley relay (swam in heats only); 2016 London SWI silver: 4×100 m freestyle relay
Mirco Di Tora	ITA	SWI	2008—2012	1–1–0 2012 Debrecen SWI gold: 4×100 m medley relay, silver: 50 m backstroke
Lorena Diaconescu	ROU	SWI	1996—2000	1–0–2 1999 İstanbul SWI bronze: 4×200 m freestyle relay; 2000 Helsinki SWI gold: 4×200 m freestyle relay, bronze: 4×100 m medley relay (swam in heats only)
Klaus Dibiasi	ITA	DIV	1964—1976	3–2–0 1966 Utrecht DIV gold: platform; 1970 Barcelona DIV silver: 3 m springboard and platform; 1974 Wien DIV gold: 3 m springboard and platform
Katja Dieckow	GER	DIV	2008—2012	0–1–2 2008 Eindhoven DIV silver: 3 m springboard, bronze: 1 m springboard and synchronized springboard
Christian Diener	GER	SWI	2010—2016	0–2–1 2012 Debrecen SWI silver: 4×100 m medley relay (swam in heats only); 2014 Berlin SWI silver: 200 m backstroke; 2018 Glasgow SWI bronze: 4×100 m medley relay
Ines Diers	GDR	SWI	1980	2–1–0 1981 Split SWI gold: 400 m freestyle and 4×100 m freestyle relay, silver: 800 m freestyle
Jürgen Dietze	GER	SWI	1960—1964	1–1–0 1962 Leipzig SWI gold: 4×100 m medley relay (competed for East Germany); 1966 Utrecht SWI silver: 4×100 m medley relay (competed for East Germany)
Edith van Dijk	NED	SWI	2008	2–2–1 1995 Wien SWI silver: 25 km; 1997 Sevilla SWI bronze: 25 km; 2000 Helsinki SWI silver: 25 km; 2002 Berlin SWI gold: 10 km and 25 km
Gyula Dobay	HUN	SWI	1956—1964	0–1–2 1958 Budapest SWI silver: 4×100 m medley relay, bronze: 100 m freestyle and 4×200 m freestyle relay
Luminița Dobrescu	ROU	SWI	1988—1996	0–2–2 1987 Strasbourg SWI silver: 4×200 m freestyle relay, bronze: 200 m freestyle; 1991 Athina SWI bronze: 200 m freestyle; 1993 Sheffield SWI silver: 200 m freestyle
Aleksandr Dobroskok	RUS	DIV	2000—2008	0–3–1 2000 Helsinki DIV silver: synchronized springboard; 2000 Helsinki DIV bronze: 3 m springboard; 2006 Budapest DIV silver: 1 m springboard and 3 m springboard
Dmitry Dobroskok	RUS	DIV	2004—2008	1–0–0 2006 Budapest DIV gold: synchronized platform
Amanda Dodd	GBR	SWA	1984	3–1–1 1981 Split SYN gold: team; 1983 Roma SYN gold: duet and team; 1985 Sofia SWI silver: team, bronze: duet
Maksym Dolhov	UKR	DIV	2016	1–0–2 2014 Berlin DIV bronze: synchronized platform; 2016 London DIV gold: synchronized platform (mixed), bronze: synchronized platform
Yelena Dolzhenko	EUN	SWA	1992	1–2–0 1987 Strasbourg SYN silver: team (competed for the Soviet Union); 1989 Bonn SYN silver: team (competed for the Soviet Union); 1991 Athina SYN gold: team (competed for the Soviet Union)
Alice Dominici	ITA	SWA	2000	0–1–1 1999 İstanbul SYN bronze: team; 2000 Helsinki SYN silver: team
Zoltán Dömötör	HUN	WAP	1960—1968	1–0–0 1954 Torino SWI gold: 4×200 m freestyle relay
Stanislav Donets	RUS	SWI	2008	2–1–0 2008 Eindhoven SWI gold: 4×100 m medley relay (swam in heats only); 2010 Budapest SWI gold: 200 m backstroke, silver: 4×100 m medley relay
Dieter Dörr	FRG	DIV	1976—1984	0–0–1 1985 Sofia DIV bronze: 3 m springboard
Jana Dörries	GER	SWI	1992	1–0–0 1995 Wien SWI gold: 4×100 m medley relay
Luca Dotto	ITA	SWI	2012—2016	2–3–3 2014 Berlin SWI gold: 4×100 m freestyle mixed relay, bronze: 4×100 m freestyle relay; 2016 London SWI gold: 100 m freestyle, silver: 4×100 m freestyle relay and 4×100 m freestyle mixed relay, bronze: 4×200 m freestyle relay; 2018 Glasgow SWI silver: 4×100 m freestyle relay and 4×100 m medley mixed relay (swam in heats only)
Freddie Dove	GBR	SWI	1936	0–1–1 1938 London SWI silver: 100 m freestyle, bronze: 4×200 m freestyle relay
Mikhail Dovgalyuk	RUS	SWI	2016	0–2–1 2018 Glasgow SWI silver: 4×200 m freestyle relay and 4×200 m freestyle mixed relay, bronze: 200 m freestyle
Duje Draganja	CRO	SWI	2000—2008	0–3–2 2002 Berlin SWI bronze: 100 m freestyle; 2006 Budapest SWI silver: 50 m butterfly, bronze: 50 m freestyle; 2008 Eindhoven SWI silver: 50 m freestyle and 4×100 m medley relay
Yevgeny Drattsev	RUS	SWI	2008—2016	0–3–2 2008 Dubrovnik SWI silver: 10 km and 5 km team; 2010 Budapest SWI bronze: 10 km; 2014 Berlin SWI silver: 25 km, bronze: 10 km
Liesbet Dreesen	BEL	SWI	2000	0–0–1 2000 Helsinki SWI bronze: 4×100 m freestyle relay
Dion Dreesens	NED	SWI	2010—2016	1–0–0 2016 London SWI gold: 4×200 m freestyle relay
Nick Driebergen	NED	SWI	2008—2012	0–0–1 2010 Budapest SWI bronze: 4×100 m medley relay
Frank Drost	NED	SWI	1984—1988	0–0–2 1985 Sofia SWI bronze: 200 m butterfly and 4×200 m freestyle relay
Monique Drost	NED	SWI	1980	0–0–1 1981 Split SWI bronze: 4×100 m freestyle relay
Ioannis Drymonakos	GRE	SWI	2000—2012	0–1–3 2006 Budapest SWI silver: 200 m butterfly; 2010 Budapest SWI bronze: 200 m butterfly; 2012 Debrecen SWI bronze: 200 m butterfly and 400 m medley
Hugues Duboscq	FRA	SWI	2000—2008	1–6–3 2002 Berlin SWI silver: 4×100 m medley relay, bronze: 100 m breaststroke; 2004 Madrid SWI silver: 50 m breaststroke, 100 m breaststroke, and 4×100 m medley relay; 2008 Eindhoven SWI silver: 100 m breaststroke, bronze: 200 m breaststroke; 2010 Budapest SWI gold: 4×100 m medley relay, silver: 100 m breaststroke, bronze: 200 m breaststroke
Milena Duchková	TCH	DIV	1968—1976	1–0–0 1970 Barcelona DIV gold: platform
Fabienne Dufour	BEL	SWI	2000	0–1–0 2000 Helsinki SWI silver: 4×100 m medley relay
Simon Dufour	FRA	SWI	2000—2008	0–2–1 2002 Berlin SWI silver: 4×100 m medley relay (swam in heats only); 2004 Madrid SWI silver: 4×100 m medley relay, bronze: 200 m backstroke
Damir Dugonjič	SLO	SWI	2008—2016	1–0–1 2012 Debrecen SWI gold: 50 m breaststroke; 2014 Berlin SWI bronze: 50 m breaststroke
Andrey Dunayev	URS	SWI	1968	0–1–0 1966 Utrecht SWI silver: 400 m medley
Vladimir Dyatchin	RUS	SWI	2008—2012	1–1–0 2002 Berlin SWI gold: 10 km; 2011 Eilat SWI silver: 10 km
Patrick Dybiona	NED	SWI	1988	0–0–1 1985 Sofia SWI bronze: 4×200 m freestyle relay
Valeriy Dymo	UKR	SWI	2004—2012	1–2–0 2004 Madrid SWI gold: 4×100 m medley relay (swam in heats only); 2006 Budapest SWI silver: 4×100 m medley relay (swam in heats only); 2012 Debrecen SWI silver: 100 m breaststroke
Eva-Maria Edinger	AUT	SWA	1984	1–0–1 1981 Split SYN bronze: duet; 1985 Sofia SYN gold: duet
Margaret Edwards	GBR	SWI	1956	0–1–0 1958 Budapest SWI silver: 100 m backstroke
Karen Egdal	DEN	SWI	1996	0–1–0 2000 Helsinki SWI silver: 50 m butterfly
Krisztina Egerszegi	HUN	SWI	1988—2001	9–4–0 1989 Bonn SWI silver: 100 m backstroke, 200 m backstroke, and 400 m medley; 1991 Athina SWI gold: 100 m backstroke, 200 m backstroke, and 400 m medley; 1993 Sheffield SWI gold: 100 m backstroke, 200 m backstroke, 200 m butterfly, and 400 m medley; 1995 Wien SWI gold: 200 m backstroke and 400 m medley, silver: 4×100 m medley relay
Márta Egerváry	HUN	SWI	1960—1968	0–0–1 1962 Leipzig SWI bronze: 400 m medley
Elina Eggers	SWE	DIV	2008	0–0–1 2008 Eindhoven DIV bronze: platform
Andrea Eife	GDR	SWI	1972	2–0–1 1974 Wien SWI gold: 4×100 m freestyle relay and 4×100 m medley relay (swam in heats only), bronze: 200 m freestyle
Catrien Eijken	NED	SWA	1984	1–3–1 1977 Jönköping SYN gold: team; 1981 Split SYN silver: duet and team; 1983 Roma SYN silver: team, bronze: duet
Gilberto Elsa	ITA	SWI	1960	0–0–1 1958 Budapest SWI bronze: 4×100 m medley relay
Ellen Elzerman	NED	SWI	1992	0–0–3 1989 Bonn SWI bronze: 4×100 m medley relay; 1991 Athina SWI bronze: 4×200 m freestyle relay and 4×100 m medley relay
Aldo Eminente	FRA	SWI	1952—1956	0–1–0 1954 Torino SWI silver: 4×200 m freestyle relay
Gilles Emptoz-Lacôte	FRA	DIV	2000	0–0–1 1997 Sevilla DIV bronze: synchronized platform
Kornelia Ender	GDR	SWI	1972—1976	4–0–0 1974 Wien SWI gold: 100 m freestyle, 200 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay
Marijke Engelen	NED	SWA	1984	1–5–3 1974 Wien SYN bronze: team; 1977 Jönköping SYN gold: team, silver: solo and duet; 1981 Split SYN silver: duet and team, bronze: solo; 1983 Roma SYN silver: team, bronze: duet
Cocki van Engelsdorp Gastelaars	NED	SWI	1960	3–1–0 1958 Budapest SWI gold: 4×100 m freestyle relay and 4×100 m medley relay, silver: 100 m freestyle; 1962 Leipzig SWI gold: 4×100 m freestyle relay
Magdalena Epply-Staudinger	AUT	DIV	1932—1936	1–1–0 1931 Paris DIV gold: platform, silver: 3 m springboard (competed as Magdalena Epply)
Éva Erdélyi	HUN	SWI	1964	0–0–1 1962 Leipzig SWI bronze: 4×100 m freestyle relay (swam in heats only)
Agneta Eriksson	SWE	SWI	1980—1988	0–0–1 1985 Sofia SWI bronze: 4×200 m freestyle relay
Ingvar Eriksson	SWE	SWI	1964—1968	0–0–2 1966 Utrecht SWI bronze: 4×100 m freestyle relay and 4×200 m freestyle relay
Lester Eriksson	SWE	SWI	1964—1968	0–0–2 1966 Utrecht SWI bronze: 4×100 m freestyle relay and 4×200 m freestyle relay
Reni Erkens	GER	SWI	1928	0–0–1 1927 Bologna SWI bronze: 4×100 m freestyle relay
Juan Escalas	ESP	SWI	1984	0–0–1 1981 Split SWI bronze: 1500 m freestyle
Franck Esposito	FRA	SWI	1992—2004	4–4–1 1991 Athina SWI gold: 200 m butterfly; 1993 Sheffield SWI silver: 200 m butterfly; 1997 Sevilla SWI gold: 200 m butterfly, bronze: 100 m butterfly; 1999 İstanbul SWI gold: 200 m butterfly; 2002 Berlin SWI gold: 200 m butterfly, silver: 4×100 m medley relay; 2004 Madrid SWI silver: 100 m butterfly and 4×100 m medley relay
Leo Esser	GER	DIV	1932—1936	1–0–0 1934 Magdeburg DIV gold: 3 m springboard
Santiago Esteva	ESP	SWI	1968—1976	0–2–2 1970 SWI Barcelona silver: 100 m backstroke and 200 m backstroke, bronze: 400 m freestyle and 1500 m freestyle
Ophélie Etienne	FRA	SWI	2008—2012	0–3–2 2010 Budapest SWI silver: 400 m freestyle, 800 m freestyle, and 4×200 m freestyle relay; 2012 Debrecen SWI bronze: 200 m freestyle and 400 m freestyle
Charlotte Fabre	FRA	SWA	2000	0–0–1 2000 Helsinki SYN bronze: team
Margaux Fabre	FRA	SWI	2016	2–0–1 2016 London SWI bronze: 4×100 m freestyle mixed relay (swam in heats only); 2018 Glasgow SWI gold: 4×100 m freestyle relay and 4×100 m freestyle mixed relay (swam in heats only)
Yann de Fabrique	FRA	SWI	1992—1996	0–0–1 1993 Sheffield SWI bronze: 4×200 m freestyle relay
Gabriella Fagundez	SWE	SWI	2008—2012	0–1–2 2004 Madrid SWI bronze: 4×100 m freestyle relay; 2010 Budapest SWI bronze: 4×100 m freestyle relay; 2012 Debrecen SWI silver: 4×100 m freestyle relay
Thomas Fahrner	FRG	SWI	1984—1988	4–1–2 1983 Roma SWI gold: 4×200 m freestyle relay, bronze: 200 m freestyle; 1985 Sofia SWI gold: 4×100 m freestyle relay and 4×200 m freestyle relay; 1987 Strasbourg SWI gold: 4×200 m freestyle relay, silver: 4×100 m freestyle relay, bronze: 400 m freestyle
Grigory Falko	RUS	SWI	2004—2008	2–1–1 2008 Eindhoven SWI gold: 200 m breaststroke and 4×100 m medley relay; 2010 Budapest SWI silver: 4×100 m medley relay (swam in heats only); 2014 Berlin SWI bronze: 4×100 m medley mixed relay (swam in heats only)
Roberta Farinelli	ITA	SWA	1996	0–0–3 1991 Athina SYN bronze: team; 1993 Sheffield SYN bronze: team; 1995 Wien SYN bronze: team
Margaux Farrell	FRA	SWI	2012	0–1–0 2010 Budapest SWI silver: 4×200 m freestyle relay
Hans Faßnacht	FRG	SWI	1968—1972	3–3–0 1970 Barcelona SWI gold: 200 m freestyle, 1500 m freestyle, and 4×200 m freestyle relay, silver: 400 m freestyle, 400 m medley, and 4×100 m freestyle relay
Ellie Faulkner	GBR	SWI	2010—2016	1–0–0 2018 Glasgow SWI gold: 4×200 m freestyle relay
Claire Febvay	FRA	DIV	2000—2008	0–0–1 2010 Budapest DIV bronze: Team Event
Stephan Feck	GER	DIV	2012—2016	0–3–0 2010 Budapest DIV silver: synchronized springboard; 2012 Eindhoven DIV silver: synchronized springboard; 2014 Berlin DIV silver: synchronized springboard
Olena Fedorova	UKR	DIV	2004—2016	0–3–7 2004 Madrid DIV bronze: 3 m springboard and synchronized springboard; 2006 Budapest DIV bronze: synchronized springboard; 2008 Eindhoven DIV bronze: 3 m springboard and synchronized springboard; 2010 Budapest DIV silver: synchronized springboard; 2012 Eindhoven DIV silver: synchronized springboard and Team Event, bronze: 3 m springboard; 2014 Berlin DIV bronze: synchronized springboard
Tamara Fedosova-Pogozheva-Safonova	URS	DIV	1964—1972	0–0–3 1966 Utrecht DIV bronze: 3 m springboard (competed as Tamara Fedosova); 1970 Barcelona DIV bronze: 3 m springboard (competed as Tamara Safonova); 1974 Wien DIV bronze: 3 m springboard (competed as Tamara Safonova)
Olle Ferm	SWE	SWI	1964—1968	0–0–1 1966 Utrecht SWI bronze: 4×200 m freestyle relay
Erika Ferraioli	ITA	SWI	2008—2016	1–4–2 2008 Eindhoven SWI silver: 4×100 m freestyle relay; 2012 Debrecen SWI bronze: 4×100 m freestyle relay; 2014 Berlin SWI gold: 4×100 m freestyle mixed relay, bronze: 4×100 m freestyle relay; 2016 London SWI silver: 4×100 m freestyle relay, 4×100 m medley relay, and 4×100 m freestyle mixed relay
Costanza Ferro	ITA	SWA	2016	0–2–9 2014 Berlin SYN bronze: team Free Routine Combination; 2016 London SYN silver: team Free, bronze: duet Technical, duet Free, team Technical, and team Free Routine Combination; 2018 Glasgow SYN silver: team Free Routine Combination, bronze: duet Free, duet Technical, Team Free, and team Technical
Serhiy Fesenko	URS	SWI	1980	2–1–1 1977 Jönköping SWI gold: 400 m medley; 1981 Split SWI gold: 400 m medley, bronze: 200 m butterfly; 1983 Roma SWI silver: 200 m butterfly
Sergey Fesikov	RUS	SWI	2008—2012	3–1–0 2008 Eindhoven SWI gold: 4×100 m medley relay (swam in heats only); 2010 Budapest SWI gold: 4×100 m freestyle relay (swam in heats only); 2014 Berlin SWI silver: 4×100 m freestyle relay (swam in heats only); 2018 Glasgow SWI gold: 4×100 m freestyle relay (swam in heats only)
Mike Fibbens	GBR	SWI	1988—1996	0–0–2 1991 Athina SWI bronze: 50 m freestyle; 1993 Sheffield SWI bronze: 4×100 m medley relay
Sylvia Fiedler	GDR	DIV	1968—1972	0–0–1 1970 Barcelona DIV bronze: platform
Solenne Figuès	FRA	SWI	1996—2004	2–2–1 2000 Helsinki SWI bronze: 4×200 m freestyle relay; 2004 Madrid SWI gold: 4×100 m freestyle relay and 4×100 m medley relay (swam in heats only); 2004 Madrid SWI silver: 200 m freestyle and 4×200 m freestyle relay
Alessia Filippi	ITA	SWI	2004—2012	3–0–2 2006 Budapest SWI gold: 400 m medley, bronze: 200 m medley; 2008 Eindhoven SWI gold: 800 m freestyle and 400 m medley, bronze: 4×200 m freestyle relay
Svetlana Filippova	RUS	DIV	2008	0–0–1 2010 Budapest DIV bronze: synchronized springboard
Domenico Fioravanti	ITA	SWI	2000	2–1–0 1999 İstanbul SWI gold: 100 m breaststroke; 2000 Helsinki SWI gold: 100 m breaststroke, silver: 200 m breaststroke
Costanza Fiorentini	ITA	SWA	2004	0–3–1 2004 Madrid SYN silver: team Free Routine Combination, bronze: team Free; 2008 Eindhoven SYN silver: team Free and team Free Routine Combination
Heike Fischer	GER	DIV	2004—2008	2–3–0 2000 Helsinki DIV silver: 1 m springboard; 2002 Berlin DIV gold: 1 m springboard; 2004 Madrid DIV gold: 1 m springboard; 2006 Budapest DIV silver: synchronized springboard; 2008 Eindhoven DIV silver: synchronized springboard
Helmut Fischer	GER	SWI	1936	0–1–0 1934 Magdeburg SWI silver: 100 m freestyle
Manila Flamini	ITA	SWA	2016	0–6–7 2006 Budapest SYN bronze: team Free and team Free Routine Combination; 2008 Eindhoven SYN silver: team Free and team Free Routine Combination; 2012 Eindhoven SYN bronze: team Free and team Free Routine Combination; 2014 Berlin SYN bronze: team Free Routine Combination; 2016 London SYN silver: team Free and duet Technical (mixed), bronze: team Technical and team Free Routine Combination; 2018 Glasgow SYN silver: duet Free (mixed) and duet Technical (mixed)
Thomas Flemming	GDR	SWI	1988	1–1–1 1987 Strasbourg SWI gold: 4×100 m freestyle relay, silver: 4×200 m freestyle relay; 1989 Bonn SWI bronze: 4×200 m freestyle relay
Eric la Fleur	SWE	SWI	2004	0–1–0 2002 Berlin SWI silver: 4×100 m freestyle relay
Hartmut Flöckner	GDR	SWI	1972—1976	1–0–2 1970 Barcelona SWI gold: 4×100 m medley relay (swam in heats only), bronze: 200 m butterfly; 1974 Wien SWI bronze: 200 m butterfly
Răzvan Florea	ROU	SWI	2000—2008	0–1–2 2004 Madrid SWI silver: 200 m backstroke; 2006 Budapest SWI bronze: 200 m backstroke; 2008 Eindhoven SWI bronze: 200 m backstroke
Daniel Fogg	GBR	SWI	2012	1–0–0 2014 Berlin SWI gold: 5 km
Dávid Földházi	HUN	SWI	2016	0–0–1 2016 London SWI bronze: 4×100 m medley mixed relay (swam in heats only)
Yuliya Fomenko	RUS	SWI	2000	0–1–0 1999 İstanbul SWI silver: 200 m backstroke
Caroline Foot	GBR	SWI	1988—1996	0–0–1 1997 Sevilla SWI bronze: 4×100 m medley relay
Marco Formentini	ITA	SWI	1996	1–0–0 1993 Slapy SWI gold: 5 km
Mark Foster	GBR	SWI	1988—2008	0–1–3 1993 Sheffield SWI bronze: 4×100 m medley relay; 1997 Sevilla SWI silver: 50 m freestyle; 1999 İstanbul SWI bronze: 50 m butterfly; 2000 Helsinki SWI bronze: 50 m butterfly
Giovanni Franceschi	ITA	SWI	1980—1984	2–1–1 1981 Split SWI silver: 200 m medley, bronze: 400 m medley; 1983 Roma SWI gold: 200 m medley and 400 m medley
Raffaele Franceschi	ITA	SWI	1980—1984	0–0–1 1983 Roma SWI bronze: 4×200 m freestyle relay
Bárbara Franco	ESP	SWI	1992—1996	0–0–1 1993 Sheffield SWI bronze: 200 m butterfly
Claudia Franco	ESP	SWI	1992—1996	0–0–1 1995 Wien SWI bronze: 4×100 m medley relay
Mária Frank	HUN	SWI	1960—1964	0–0–1 1962 Leipzig SWI bronze: 4×100 m freestyle relay
Angela Franke	GDR	SWI	1972	3–1–0 1974 Wien SWI gold: 400 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay (swam in heats only), silver: 100 m freestyle
Ingegärd Fredin	SWE	SWI	1948—1952	0–0–1 1950 Wien SWI bronze: 4×100 m freestyle relay
Hans Freese	GER	SWI	1936	1–0–0 1938 London SWI gold: 4×200 m freestyle relay
Meike Freitag	GER	SWI	1996—2008	1–0–0 2002 Berlin SWI gold: 4×100 m freestyle relay (swam in heats only)
Uschi Freitag	NED	DIV	2016	0–2–1 2012 Eindhoven DIV silver: 3 m springboard, bronze: synchronized springboard (competed for Germany); 2016 London DIV silver: 3 m springboard
Heike Friedrich	GDR	SWI	1988	11–2–0 1985 Sofia SWI gold: 100 m freestyle, 200 m freestyle, 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay; 1987 Strasbourg SWI gold: 200 m freestyle, 400 m freestyle, 4×100 m freestyle relay, and 4×200 m freestyle relay; 1989 Bonn SWI gold: 4×100 m freestyle relay and 4×200 m freestyle relay, silver: 400 m freestyle; 1991 Athina SWI silver: 4×200 m freestyle relay (competed for Germany)
Lotte Friis	DEN	SWI	2008—2016	2–0–2 2008 Eindhoven SWI bronze: 1500 m freestyle; 2010 Budapest SWI gold: 800 m freestyle and 1500 m freestyle, bronze: 400 m freestyle
Lars Frölander	SWE	SWI	1992—2012	3–6–7 1993 Sheffield SWI silver: 4×100 m freestyle relay; 1995 Wien SWI silver: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay; 1997 Sevilla SWI gold: 100 m butterfly, silver: 100 m freestyle; 1999 İstanbul SWI gold: 100 m butterfly, bronze: 100 m freestyle and 50 m butterfly; 2000 Helsinki SWI gold: 100 m butterfly, silver: 50 m butterfly and 4×100 m medley relay, bronze: 100 m freestyle; 2002 Berlin SWI silver: 4×100 m freestyle relay, bronze: 50 m butterfly; 2008 Eindhoven SWI bronze: 4×100 m medley relay; 2010 Budapest SWI bronze: 4×100 m freestyle relay
Uta Frommater	FRG	SWI	1968	0–1–1 1970 Barcelona SWI silver: 100 m breaststroke, bronze: 4×100 m medley relay
Eleftheria Ftouli	GRE	SWA	2004	0–0–2 2004 Madrid SYN bronze: team Free Routine Combination; 2006 Budapest SYN bronze: duet
Andrea Fuentes	ESP	SWA	2004—2012	6–10–0 2002 Berlin SYN silver: team; 2004 Madrid SYN gold: team Free Routine Combination, silver: team Free; 2006 Budapest SYN silver: team Free and team Free Routine Combination; 2008 Eindhoven SYN gold: duet, team Free, and team Free Routine Combination; 2010 Budapest SYN silver: solo, duet, team Free, and team Free Routine Combination; 2012 Eindhoven SYN gold: team Free and team Free Routine Combination, silver: solo and duet
Tina Fuentes	ESP	SWA	2004	1–4–0 2002 SYN Berlin silver: team; 2004 Madrid SYN gold: team Free Routine Combination, silver: team Free; 2006 Budapest SYN silver: team Free and team Free Routine Combination
Greetje Gaillard	NED	SWI	1948	0–0–1 1950 Wien SWI bronze: 100 m backstroke
Christian Galenda	ITA	SWI	2004—2008	4–1–2 2002 Berlin SWI bronze: 4×100 m freestyle relay; 2004 Madrid SWI gold: 4×100 m freestyle relay and 4×200 m freestyle relay (swam in heats only), bronze: 100 m freestyle; 2006 Budapest SWI gold: 4×100 m freestyle relay; 2008 Eindhoven SWI gold: 4×200 m freestyle relay (swam in heats only), silver: 4×100 m freestyle relay
Gennady Galkin	URS	DIV	1956—1960	0–0–1 1962 Leipzig DIV bronze: platform
Rebecca Gallantree	GBR	DIV	2008—2016	0–1–0 2016 London DIV silver: synchronized springboard
Fátima Gallardo	ESP	SWI	2016	0–1–0 2016 London SWI silver: 4×200 m freestyle relay
Paolo Galletti	ITA	SWI	1956—1960	0–1–1 1958 Budapest SWI silver: 4×200 m freestyle relay, bronze: 400 m freestyle
Mauro Gallo	ITA	SWI	2000	1–0–0 2006 Budapest SWI gold: 4×100 m freestyle relay (swam in heats only)
Gleb Galperin	RUS	DIV	2004—2012	2–0–1 2006 Budapest DIV gold: platform and synchronized platform; 2012 Eindhoven DIV bronze: platform
Annett Gamm	GER	DIV	2004—2008	4–0–0 2002 Berlin DIV gold: synchronized platform; 2004 Madrid DIV gold: synchronized platform; 2006 Budapest DIV gold: synchronized platform; 2008 Eindhoven DIV gold: synchronized platform
Ellen Gandy	GBR	SWI	2008—2012	0–1–1 2008 Eindhoven SWI silver: 4×200 m freestyle relay; 2010 Budapest SWI bronze: 200 m butterfly
Marina García	ESP	SWI	2012	0–0–1 2012 Debrecen SWI bronze: 100 m breaststroke
Stina Gardell	SWE	SWI	2012—2016	0–1–0 2014 Berlin SWI silver: 4×200 m freestyle relay
Zsolt Gáspár	HUN	SWI	2000—2004	0–0–1 2004 Madrid SWI bronze: 4×100 m medley relay
Béryl Gastaldello	FRA	SWI	2016	2–0–0 2018 Glasgow SWI gold: 4×100 m freestyle relay and 4×100 m freestyle mixed relay (swam in heats only)
Yoav Gath	ISR	SWI	2000	0–0–1 2000 Helsinki SWI bronze: 200 m backstroke
Konrad Gałka	POL	SWI	1992—1996	0–1–0 1995 Wien SWI silver: 200 m butterfly
Judy Gegan	GBR	SWI	1964	0–0–1 1966 Utrecht SWI bronze: 4×100 m medley relay
Ines Geißler	GDR	SWI	1980	4–2–0 1981 Split SWI gold: 200 m butterfly and 4×100 m medley relay, silver: 100 m butterfly; 1983 Roma SWI gold: 100 m butterfly annd 4×100 m medley relay, silver: 200 m butterfly
Aleksandr Gendrikson	URS	DIV	1972	0–0–1 1974 Wien DIV bronze: platform
Martha Genenger	GER	SWI	1936	1–0–0 1934 Magdeburg SWI gold: 200 m breaststroke
Cathy Geoffroy (DNS)	FRA	SWA	2000	0–3–1 1997 Sevilla SYN silver: team (competed in technical prelim only); 1999 İstanbul SYN silver: duet (competed in technical prelim only) and team; 2000 Helsinki SYN bronze: team
Petar Georgiev	BUL	DIV	1980	1–1–0 1983 Roma DIV gold: 3 m springboard; 1985 Sofia DIV silver: 3 m springboard
Eleni Georgiou	GRE	SWA	2004	0–0–1 2004 Madrid SYN bronze: team Free Routine Combination
Sylvia Gerasch	GER	SWI	2000	5–5–2 1983 Roma SWI silver: 100 m breaststroke and 200 m breaststroke (competed for East Germany); 1985 Sofia SWI gold: 100 m breaststroke and 4×100 m medley relay, silver: 200 m breaststroke (competed for East Germany); 1987 Strasbourg SWI bronze: 100 m breaststroke (competed for East Germany); 1991 Athina SWI silver: 4×100 m medley relay; 1993 Sheffield SWI gold: 100 m breaststroke and 4×100 m medley relay; 1997 Sevilla SWI gold: 4×100 m medley relay; 2000 Helsinki SWI silver: 100 m breaststroke, bronze: 50 m breaststroke
Irina Gerasimova	URS	SWI	1980	0–0–1 1983 Roma SWI bronze: 200 m medley
Yseult Gervy	BEL	SWI	1996—2000	0–0–1 2000 Helsinki SWI bronze: 400 m medley
Marcel Gery	CAN	SWI	1992	0–0–1 1985 Sofia SWI bronze: 100 m butterfly (competed as Marcel Géry for Czechoslovakia)
Christian Geßner	GER	SWI	1992	0–1–1 1991 Athina SWI silver: 200 m medley, bronze: 400 m medley
Carla Geurts	NED	SWI	1996—2000	0–4–0 1993 Slapy SWI silver: 5 km; 1995 Wien SWI silver: 400 m freestyle and 4×200 m freestyle relay; 1997 Sevilla SWI silver: 800 m freestyle
Ute Geweniger	GDR	SWI	1980	9–1–0 1981 Split SWI gold: 100 m breaststroke, 200 m breaststroke, 100 m butterfly,200 m medley, and 4×100 m medley relay, silver: 400 m medley; 1983 Roma SWI gold: 100 m breaststroke, 200 m breaststroke, 200 m medley, and 4×100 m medley relay
Ștefan Gherghel	ROU	SWI	2000—2008	0–1–1 2000 Helsinki SWI bronze: 200 m butterfly; 2004 Madrid SWI silver: 200 m butterfly
Spyros Gianniotis	GRE	SWI	2000—2016	2–1–2 2002 Berlin SWI bronze: 4×200 m freestyle relay; 2008 Dubrovnik SWI gold: 5 km; 2010 Budapest SWI gold: 5 km team, bronze: 5 km; 2014 Berlin SWI silver: 5 km team
Cathie Gibson	GBR	SWI	1948	0–2–1 1947 Monte Carlo SWI silver: 400 m freestyle and 100 m backstroke, bronze: 4×100 m freestyle relay
James Gibson	GBR	SWI	2004	0–0–1 2006 Budapest SWI bronze: 4×100 m medley relay
José Miguel Gil	ESP	DIV	1988—2000	1–1–1 1999 İstanbul DIV gold: 1 m springboard; 2000 Helsinki DIV bronze: synchronized springboard; 2002 Berlin DIV silver: 1 m springboard
Kris Gilchrist	GBR	SWI	2008	0–0–1 2006 Budapest SWI bronze: 200 m breaststroke
Nick Gillingham	GBR	SWI	1988—1996	3–1–2 1989 Bonn SWI gold: 200 m breaststroke, bronze: 100 m breaststroke; 1991 Athina SWI gold: 200 m breaststroke; 1993 Sheffield SWI gold: 200 m breaststroke, silver: 100 m breaststroke, bronze: 4×100 m medley relay
Fabien Gilot	FRA	SWI	2004—2016	3–3–3 2004 Madrid SWI bronze: 4×100 m freestyle relay; 2006 Budapest SWI bronze: 4×100 m freestyle relay; 2010 Budapest SWI gold: 4×100 m medley relay, silver: 4×100 m freestyle relay, bronze: 50 m freestyle; 2014 Berlin SWI gold: 4×100 m freestyle relay, silver: 100 m freestyle and 4×100 m medley relay; 2016 London SWI gold: 4×100 m freestyle relay
Bengt Gingsjö	SWE	SWI	1972—1976	0–1–1 1974 Wien SWI silver: 400 m freestyle, bronze: 4×200 m freestyle relay
Margaret Girvan	GBR	SWI	1948—1956	0–0–1 1947 Monte Carlo SWI bronze: 4×100 m freestyle relay
Monique Gladding	GBR	DIV	2012	0–0–1 2010 Budapest DIV bronze: synchronized platform
Jan-Philip Glania	GER	SWI	2012—2016	0–0–2 2014 Berlin SWI bronze: 100 m backstroke; 2018 Glasgow SWI bronze: 4×100 m medley relay (swam in heats only)
Roberto Gleria	ITA	SWI	1988—1992	1–1–1 1989 Bonn SWI gold: 4×200 m freestyle relay; 1991 Athina SWI silver: 4×200 m freestyle relay, bronze: 200 m freestyle
Myriam Glez	AUS FRA	SWA	2000—2008	0–1–2 1999 İstanbul SYN silver: team (competed in prelims only); 2000 Helsinki SYN bronze: team (competed for France); 2002 Berlin SYN bronze: duet (competed for France)
Robert Glință	ROU	SWI	2014—2016	0–1–0 2018 Glasgow SWI silver: 50 m backstroke
Barbara Göbel	GER	SWI	1960	1–0–0 1962 Leipzig SWI gold: 4×100 m medley relay (competed for East Germany)
Yvonne Godard	FRA	SWI	1932	1–0–1 1931 Paris SWI gold: 100 m freestyle, bronze: 400 m freestyle
James Goddard	GBR	SWI	2004—2012	0–1–0 2012 Debrecen SWI silver: 200 m medley
Tanja Godina	SLO	SWI	1992	0–0–1 1989 Stari Grad SWI bronze: 5 km (competed for Yugoslavia)
Sara Goffi	ITA	SWI	2000	0–1–0 2000 Helsinki SWI silver: 4×200 m freestyle relay
Sofie Goffin	BEL	SWI	2000	0–0–1 2000 Helsinki SWI bronze: 4×100 m freestyle relay
Kristian Golomeev	GRE	SWI	2012—2016	0–1–0 2018 Glasgow SWI silver: 50 m freestyle
Nataliya Goncharova	RUS	DIV	2004—2008	0–1–0 2006 Budapest DIV silver: synchronized platform
Daniel Goodfellow	GBR	DIV	2016	0–1–0 2016 London DIV silver: synchronized platform
Duncan Goodhew	GBR	SWI	1976—1980	0–0–1 1977 Jönköping SWI bronze: 4×100 m medley relay
Larisa Gorchakova	URS	SWI	1980	0–1–2 1981 Split SWI silver: 4×100 m medley relay, bronze: 200 m backstroke; 1983 Roma SWI bronze: 200 m backstroke
Leszek Górski	POL	SWI	1980	0–1–0 1981 Split SWI silver: 400 m medley
Christine Gosden	GBR	SWI	1956—1960	0–0–1 1958 Budapest SWI bronze: 4×100 m medley relay
Bistra Gospodinova	BUL	SWI	1988	0–0–1 1985 Sofia SWI bronze: 4×100 m medley relay
Alain Gottvallès	FRA	SWI	1960—1964	2–1–0 1962 Leipzig SWI gold: 100 m freestyle and 4×100 m freestyle relay, silver: 4×200 m freestyle relay
Daniela Götz	GER	SWI	2004—2008	2–1–0 2006 Budapest SWI gold: 4×100 m freestyle relay and 4×200 m freestyle relay (swam in heats only), silver: 4×100 m medley relay (swam in heats only)
Janina-Kristin Götz	GER	SWI	2004	1–0–0 1997 Sevilla SWI gold: 4×200 m freestyle relay
Efrosyni Gouda	GRE	SWA	2004	0–0–1 2004 Madrid SYN bronze: team Free Routine Combination
Detlev Grabs	GDR	SWI	1980	0–0–1 1977 Jönköping SWI bronze: 4×200 m freestyle relay
Lisa Graf	GER	SWI	2016	1–0–0 2012 Debrecen SWI gold: 4×100 m medley relay (swam in heats only)
Lara Grangeon	FRA	SWI	2012—2016	0–0–2 2018 Loch Lomond SWI bronze: 25 km and 5 km team
Petra Granlund	SWE	SWI	2008	0–0–1 2010 Budapest SWI bronze: 4×100 m freestyle relay (swam in heats only)
Martina Granström	SWE	SWI	2012	0–1–2 2012 Debrecen SWI silver: 100 m butterfly, bronze: 200 m butterfly and 4×100 m medley relay
Zilpha Grant	GBR	SWI	1936	0–0–1 1938 London SWI bronze: 4×100 m freestyle relay
Alla Grebennikova	URS	SWI	1968	0–1–1 1970 Barcelona SWI silver: 200 m breaststroke, bronze: 100 m breaststroke
Andrey Grechin	RUS	SWI	2008—2016	2–5–0 2006 Budapest SWI silver: 4×100 m freestyle relay; 2008 Eindhoven SWI gold: 4×100 m medley relay, silver: 4×200 m freestyle relay (swam in heats only); 2010 Budapest SWI gold: 4×100 m freestyle relay, silver: 4×100 m medley relay (swam in heats only); 2014 Berlin SWI silver: 4×100 m freestyle relay and 4×100 m freestyle mixed relay
Horst-Günter Gregor	GDR GER	SWI	1964—1968	2–3–0 1962 Leipzig SWI gold: 4×100 m medley relay (competed for East Germany); 1966 Utrecht SWI gold: 4×100 m freestyle relay, silver: 200 m butterfly, 4×200 m freestyle relay, and 4×100 m medley relay (competed for East Germany)
Angelika Grieser	FRG	SWI	1976	0–1–0 1974 Wien SWI silver: 4×100 m medley relay
Darius Grigalionis	LTU	SWI	1996—2004	0–2–0 2000 Helsinki SWI silver: 50 m backstroke; 2004 Madrid SWI silver: 50 m backstroke
Aristidis Grigoriadis	GRE	SWI	2004—2012	2–2–1 2006 Budapest SWI silver: 50 m backstroke, bronze: 100 m backstroke; 2008 Eindhoven SWI gold: 50 m backstroke, silver: 100 m backstroke; 2012 Debrecen SWI gold: 100 m backstroke
Martina Grimaldi	ITA	SWI	2008—2012	4–1–2 2008 Dubrovnik SWI silver: 10 km; 2010 Budapest SWI bronze: 25 km; 2011 Eilat SWI gold: 10 km; 2012 Piombino SWI gold: 10 km, bronze: 25 km; 2014 Berlin SWI gold: 25 km; 2016 Hoorn SWI gold: 25 km
Judith Grinham	GBR	SWI	1956	1–1–2 1958 Budapest SWI gold: 100 m backstroke, silver: 4×100 m freestyle relay, bronze: 100 m freestyle and 4×100 m medley relay
Ödön Gróf	HUN	SWI	1936	1–0–0 1934 Magdeburg SWI gold: 4×200 m freestyle relay
Mariya Gromova	RUS	SWA	2004—2012	4–0–0 2002 Berlin SYN gold: team; 2004 Madrid SYN gold: team Free; 2006 Budapest SYN gold: team Free and team Free Routine Combination
Chantal Groot	NED	SWI	2000—2008	2–2–7 1999 İstanbul SWI bronze: 50 m butterfly; 2002 Berlin SWI bronze: 50 m butterfly and 4×100 m freestyle relay; 2004 Madrid SWI silver: 4×100 m freestyle relay, bronze: 50 m butterfly and 4×100 m medley relay; 2006 Budapest SWI silver: 4×100 m freestyle relay, bronze: 50 m butterfly; 2008 Eindhoven SWI gold: 50 m butterfly and 4×100 m freestyle relay (swam in heats only), bronze: 4×100 m medley relay (swam in heats only)
Jannie de Groot	NED	SWI	1948	0–0–2 1947 Monte Carlo SWI bronze: 200 m breaststroke; 1950 Wien SWI bronze: 200 m breaststroke
Gérard Gropaiz	FRA	SWI	1960—1964	1–1–0 1962 Leipzig SWI gold: 4×100 m freestyle relay, silver: 4×200 m freestyle relay
Michael Groß	FRG	SWI	1984—1988	13–4–2 1981 SWI Split gold: 200 m butterfly, silver: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay; 1983 Roma SWI gold: 200 m freestyle, 100 m butterfly, 200 m butterfly, and 4×200 m freestyle relay, silver: 4×100 m medley relay; 1985 Sofia SWI gold: 200 m freestyle, 100 m butterfly, 200 m butterfly, 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay; 1987 Strasbourg SWI gold: 200 m butterfly and 4×200 m freestyle relay, silver: 100 m butterfly and 4×100 m freestyle relay, bronze: 200 m freestyle
Martina Grunert	GDR GER	SWI	1964—1968	3–0–0 1966 Utrecht SWI gold: 100 m freestyle (competed for East Germany); 1970 Barcelona SWI gold: 200 m medley and 4×100 m freestyle relay (swam in heats only) (competed for East Germany)
Marcello Guarducci	ITA	SWI	1972—1984	0–1–3 1977 Jönköping SWI silver: 4×100 m freestyle relay, bronze: 100 m freestyle and 200 m freestyle; 1983 Roma SWI bronze: 4×200 m freestyle relay
Ingrid Gulbin-Engel-Krämer	GDR GER	DIV	1960—1968	2–0–0 1962 Leipzig DIV gold: 3 m springboard and platform (competed as Ingrid Krämer for East Germany)
Ákos Gulyás	HUN	SWI	1964	0–0–1 1966 Utrecht SWI bronze: 4×100 m medley relay
Anna Guseva	RUS	SWI	2012	0–0–1 2010 Budapest SWI bronze: 5 km team
Aulo Gustafsson	SWE	SWI	1928	0–1–0 1927 Bologna SWI silver: 4×200 m freestyle relay
Ingrid Gustavsson	SWE	SWI	1968	0–1–0 1966 Utrecht SWI silver: 4×100 m freestyle relay
Martin Gustavsson	SWE	SWI	2000—2004	0–1–0 2000 Helsinki SWI silver: 4×100 m medley relay
Károly Güttler	HUN	SWI	1988—2000	1–6–2 1993 Sheffield SWI gold: 100 m breaststroke, silver: 200 m breaststroke and 4×100 m medley relay; 1995 Wien SWI silver: 100 m breaststroke, 200 m breaststroke, and 4×100 m medley relay; 1997 Sevilla SWI silver: 100 m breaststroke; 1999 İstanbul SWI bronze: 50 m breaststroke; 2002 Berlin SWI bronze: 50 m breaststroke
Bruno Gutzeit	FRA	SWI	1988—1992	0–4–0 1989 Bonn SWI silver: 100 m butterfly, 4×100 m freestyle relay, and 4×100 m medley relay; 1991 Athina SWI silver: 4×100 m medley relay
James Guy	GBR	SWI	2016	4–0–2 2016 London SWI gold: 4×100 m medley relay, bronze: 200 m freestyle; 2018 Glasgow SWI gold: 4×200 m freestyle relay, 4×100 m medley relay, and 4×100 m medley mixed relay, bronze: 100 m butterfly
Andrea Gyarmati	HUN	SWI	1968—1972	2–2–0 1970 Barcelona SWI gold: 200 m backstroke and 100 m butterfly, silver: 100 m backstroke and 4×100 m freestyle relay
Valéria Gyenge	HUN	SWI	1952—1956	1–1–0 1954 Torino SWI gold: 4×100 m freestyle relay, silver: 400 m freestyle
Dániel Gyurta	HUN	IOC/SWI	2004—2016	2–0–2 2010 Budapest SWI gold: 200 m breaststroke; 2012 Debrecen SWI gold: 200 m breaststroke, bronze: 4×100 m medley relay; 2014 Berlin SWI bronze: 4×100 m medley relay
Gergely Gyurta	HUN	SWI	2012—2016	0–0–1 2012 Debrecen SWI bronze: 1500 m freestyle
Steffen Haage	GDR	DIV	1988	0–0–1 1983 Roma DIV bronze: platform
Ada den Haan	NED	SWI	1960	2–0–0 1958 Budapest SWI gold: 200 m breaststroke and 4×100 m medley relay
Günther Haase	GER	DIV	1952	1–0–0 1950 Wien DIV gold: platform (competed for West Germany)
Ann-Christine Hagberg	SWE	SWI	1964	0–1–0 1966 Utrecht SWI silver: 4×100 m freestyle relay
András Hajnal	HUN	DIV	2000—2004	0–1–0 2002 Berlin DIV silver: synchronized platform
Eva-Marie Håkansson	SWE	SWI	1980—1984	0–0–1 1977 Jönköping SWI bronze: 200 m breaststroke
Olivér Halassy	HUN	SWI/WAP	1928—1936	1–0–0 1931 Paris SWI gold: 1500 m freestyle
Ruth Halbsguth	GER	SWI	1936	0–1–0 1934 Magdeburg SWI silver: 4×100 m freestyle relay
Miki Halika	ISR	SWI	2000	0–1–0 1999 İstanbul SWI silver: 400 m medley
Fran Halsall	GBR	SWI	2008—2016	10–3–4 2006 Budapest SWI gold: 4×100 m medley relay; 2008 Eindhoven SWI gold: 4×100 m medley relay; 2010 Budapest SWI gold: 100 m freestyle and 4×100 m medley relay, silver: 100 m butterfly and 4×100 m freestyle relay, bronze: 50 m freestyle; 2014 Berlin SWI gold: 50 m freestyle, 50 m backstroke, and 4×100 m medley mixed relay, bronze: 50 m butterfly and 4×100 m medley relay; 2016 London SWI gold: 50 m backstroke, 4×100 m medley relay, and 4×100 m medley mixed relay, silver: 50 m freestyle, bronze: 50 m butterfly
Davit Hambardzumyan	URS	DIV	1972—1980	2–1–0 1977 Jönköping DIV silver: platform; 1981 Split DIV gold: platform; 1983 Roma DIV gold: platform
Gudrun Hänisch	FRG	SWA	1984	0–1–2 1983 Roma SYN silver: duet, bronze: solo and team
Raik Hannemann	GDR	SWI	1988	0–1–2 1985 Sofia SWI bronze: 400 m medley; 1987 Strasbourg SWI bronze: 200 m medley; 1989 Bonn SWI silver: 200 m medley
Jytte Hansen	DEN	SWI	1948—1956	0–1–0 1954 Torino SWI silver: 200 m breaststroke
Ida Hanson	SWE	SWI	1976	0–0–1 1974 Wien SWI bronze: 4×100 m medley relay (swam in heats only)
Louise Hansson	SWE	SWI	2016	1–3–1 2012 Debrecen SWI silver: 4×100 m freestyle relay (swam in heats only); 2014 Berlin SWI gold: 4×100 m freestyle relay, silver: 4×200 m freestyle relay and 4×100 m medley relay (swam in heats only); 2016 London SWI bronze: 4×100 m freestyle relay
Ursula Happe	GER	SWI	1952—1956	1–0–1 1954 Torino SWI gold: 200 m breaststroke, bronze: 100 m butterfly (competed for West Germany)
Jere Hård	FIN	SWI	2000—2004	2–0–0 2000 Helsinki SWI gold: 50 m butterfly; 2002 Berlin SWI gold: 50 m butterfly
Sarah Hardcastle	GBR	SWI	1984—1996	0–1–2 1983 Roma SWI bronze: 800 m freestyle; 1985 Sofia SWI silver: 800 m freestyle; 1993 Sheffield SWI bronze: 4×200 m freestyle relay
Marie Hardiman	GBR	SWI	1996	0–0–1 1993 Sheffield SWI bronze: 200 m breaststroke
Phyllis Harding	GBR	SWI	1924—1936	0–1–2 1927 Bologna SWI bronze: 100 m backstroke; 1931 Paris SWI silver: 4×100 m freestyle relay, bronze: 100 m backstroke
Tsimafei Hardzieychuk	BLR	DIV	2012	0–0–1 2010 Budapest DIV bronze: synchronized platform
András Hargitay	HUN	SWI	1972—1980	3–0–1 1974 Wien SWI gold: 200 m butterfly and 400 m medley, bronze: 200 m medley; 1977 Jönköping SWI gold: 200 m medley
Isabelle Härle	GER	SWI	2016	1–0–1 2014 Berlin SWI gold: 5 km, bronze: 5 km team
Diana Harris	GBR	SWI	1968—1972	0–0–1 1966 Utrecht SWI bronze: 4×100 m medley relay
Martin Harris	GBR	SWI	1992—1996	0–0–2 1993 Sheffield SWI bronze: 100 m backstroke and 4×100 m medley relay
Dorothy Harrison	GBR	SWI	1968—1972	0–0–1 1970 Barcelona SWI bronze: 200 m breaststroke
Wilfried Hartung	GDR	SWI	1972—1976	0–0–2 1970 Barcelona SWI bronze: 4×200 m freestyle relay; 1974 Wien SWI bronze: 4×100 m freestyle relay
Karen Margrethe Harup	DEN	SWI	1948	3–0–0 1947 Monte Carlo SWI gold: 400 m freestyle, 100 m backstroke, and 4×100 m freestyle relay
Dagmar Hase	GER	SWI	1992—1996	6–4–2 1989 Bonn SWI gold: 200 m backstroke (competed for East Germany); 1991 Athina SWI silver: 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay, bronze: 100 m backstroke and 200 m backstroke; 1993 Sheffield SWI gold: 400 m freestyle and 4×200 m freestyle relay; 1995 Wien SWI gold: 4×200 m freestyle relay, silver: 200 m backstroke; 1997 Sevilla SWI gold: 400 m freestyle and 4×200 m freestyle relay
Ute Hasse	FRG	SWI	1984	0–0–1 1983 Roma SWI bronze: 4×100 m medley relay
Patrick Hausding	GER	DIV	2008—2016	8–6–1 2008 Eindhoven DIV gold: synchronized platform; 2010 Budapest DIV gold: 3 m springboard and synchronized platform, silver: 1 m springboard, platform, and synchronized springboard; 2012 Eindhoven DIV gold: synchronized platform, silver: 3 m springboard and synchronized springboard; 2014 Berlin DIV gold: 1 m springboard, 3 m springboard, and synchronized platform, silver: synchronized springboard; 2016 London DIV gold: synchronized platform; 2018 Edinburgh DIV bronze: synchronized springboard
Kate Haywood	GBR	SWI	2008—2012	2–2–0 2006 Budapest SWI silver: 50 m breaststroke; 2008 Eindhoven SWI gold: 4×100 m medley relay; 2010 Budapest SWI gold: 4×100 m medley relay, silver: 50 m breaststroke
Peter Heatly	GBR	CGF/DIV	1948—1990	0–0–1 1954 Torino DIV bronze: platform
Claire Hedenskog	SWE	SWI	2008	0–0–1 2008 Eindhoven bronze: 4×100 m freestyle relay
Femke Heemskerk	NED	SWI	2008—2016	2–9–5 2006 Budapest SWI silver: 4×100 m freestyle relay (swam in heats only); 2008 Eindhoven SWI gold: 4×100 m freestyle relay, bronze: 4×100 m medley relay (swam in heats only); 2010 Budapest SWI bronze: 100 m freestyle; 2014 Berlin SWI silver: 100 m freestyle, 4×100 m freestyle relay, and 4×100 m medley mixed relay, bronze: 200 m freestyle; 2016 London SWI gold: 4×100 m freestyle relay, silver: 200 m freestyle, bronze: 100 m freestyle and 4×200 m freestyle relay; 2018 Glasgow SWI silver: 100 m freestyle, 200 m freestyle, 4×100 m freestyle relay, and 4×100 m freestyle mixed relay
Marianne Heemskerk	NED	SWI	1960—1964	0–0–1 1962 Leipzig SWI bronze: 100 m butterfly
Jacob Heidtmann	GER	SWI	2016	1–0–0 2018 Glasgow SWI gold: 4×200 m freestyle mixed relay
Irma Heijting-Schuhmacher	NED	SWI	1948—1952	2–2–0 1947 Monte Carlo SWI silver: 4×100 m freestyle relay (competed as Irma Schuhmacher); 1950 Wien SWI gold: 100 m freestyle and 4×100 m freestyle relay, silver: 400 m freestyle (competed as Irma Schuhmacher)
Wolfgang Heimlich	GER	SWI	1936	1–0–0 1938 London SWI gold: 4×200 m freestyle relay
Christian Hein	GER	SWI	2004	0–1–1 2006 Budapest SWI silver: 5 km, bronze: 10 km
Roger Heinkelé	FRA	DIV	1936—1948	1–0–0 1947 Monte Carlo DIV gold: 3 m springboard
Herbert Heinrich	GER	SWI	1928	2–3–0 1926 Budapest SWI gold: 4×200 m freestyle relay, silver: 400 m freestyle; 1927 Bologna SWI gold: 4×200 m freestyle relay, silver: 400 m freestyle; 1931 Paris SWI silver: 4×200 m freestyle relay
Philip Heintz	GER	SWI	2012—2016	0–2–1 2014 Berlin SWI silver: 200 m medley; 2018 Glasgow SWI silver: 200 m medley, bronze: 4×100 m medley relay (swam in heats only)
Suse Heinze	GER	DIV	1936	0–0–1 1938 London DIV bronze: platform
August Heitmann	GER	SWI	1928	2–0–1 1926 Budapest SWI gold: 4×200 m freestyle relay; 1927 Bologna SWI gold: 4×200 m freestyle relay, bronze: 100 m freestyle
Mirjam van Hemert	NED	SWI	1968	0–0–1 1966 Utrecht SWI bronze: 4×100 m freestyle relay
Jan Hempel	GDR GER	DIV	1988—2000	4–4–2 1987 Strasbourg DIV silver: platform (competed for East Germany); 1989 Bonn DIV silver: platform, bronze: 3 m springboard (competed for East Germany); 1993 Sheffield DIV gold: 3 m springboard, bronze: platform; 1995 Wien DIV silver: 3 m springboard and platform; 1997 Sevilla DIV gold: platform and synchronized platform; 1999 İstanbul DIV gold: synchronized platform
Mélanie Hénique	FRA	SWI	2016	0–0–1 2010 Budapest SWI bronze: 50 m butterfly
Jana Henke	GER	SWI	1992—2004	2–2–2 1991 Athina SWI silver: 800 m freestyle; 1993 Sheffield SWI gold: 800 m freestyle; 1995 Wien SWI silver: 800 m freestyle; 1997 Sevilla SWI bronze: 800 m freestyle; 1999 İstanbul SWI bronze: 800 m freestyle; 2002 Berlin SWI gold: 800 m freestyle
Rainer Henkel	FRG	SWI	1984—1988	2–2–1 1985 Sofia SWI silver: 1500 m freestyle, bronze: 400 m freestyle; 1987 Strasbourg SWI gold: 1500 m freestyle and 4×200 m freestyle relay, silver: 400 m freestyle
Egon Henninger	GDR GER	SWI	1960—1968	1–1–1 1962 Leipzig SWI gold: 4×100 m medley relay (competed for East Germany); 1966 Utrecht SWI silver: 4×100 m medley relay, bronze: 200 m breaststroke (competed for East Germany)
Thaïs Henríquez	ESP	SWA	2008—2012	4–4–0 2006 Budapest SYN silver: team Free Routine Combination; 2008 Eindhoven SYN gold: team Free and team Free Routine Combination; 2010 Budapest SYN silver: team Free and team Free Routine Combination; 2012 Eindhoven SYN gold: team Free and team Free Routine Combination; 2014 Berlin SYN silver: team Free Routine Combination
Franziska Hentke	GER	SWI	2016	1–0–0 2016 London SWI gold: 200 m butterfly
Aliaksandra Herasimenia	BLR	SWI	2008—2016	1–2–2 2002 Berlin SWI bronze: 50 m freestyle and bronze: 50 m backstroke; 2006 Budapest SWI silver: 50 m backstroke; 2010 Budapest SWI gold: 50 m backstroke, silver: 100 m freestyle
Jochen Herbst	GDR	SWI	1968	1–2–2 1962 Leipzig SWI bronze: 4×200 m freestyle relay; 1966 Utrecht SWI gold: 4×100 m freestyle relay (swam in heats only), silver: 4×200 m freestyle relay (swam in heats only) and 4×100 m medley relay (swam in heats only); 1970 Barcelona SWI bronze: 4×100 m freestyle relay (swam in heats only)
Stefan Herbst	GER	SWI	2000—2008	1–5–1 2000 Helsinki SWI silver: 4×100 m freestyle relay, 4×100 m freestyle relay (swam in heats only), and 4×200 m freestyle relay; 2002 Berlin SWI gold: 4×100 m freestyle relay, silver: 4×200 m freestyle relay, bronze: 4×100 m medley relay; 2010 Budapest SWI silver: 4×200 m freestyle relay (swam in heats only)
Sabine Herbst-Klenz	GER	SWI	1996—2000	0–1–1 1991 Athina SWI silver: 200 m butterfly (competed as Sabine Herbst); 1999 İstanbul SWI bronze: 200 m medley (competed as Sabine Herbst)
Carmen Herea	ROU	SWI	1996—2000	1–0–0 2000 Helsinki SWI gold: 4×200 m freestyle relay (swam in heats only)
Muriel Hermine	FRA	SWA	1984—1988	4–3–0 1983 Roma SYN silver: solo; 1985 Sofia SYN gold: team, silver: solo and duet; 1987 Strasbourg SYN gold: solo, duet, and team
Guy Hernandez	FRA	DIV	1948	0–1–0 1950 Wien DIV silver: 3 m springboard
Gertrud Herrbruck	GER	SWI	1952	0–1–0 1950 Wien SWI silver: 100 m backstroke (competed for West Germany)
Martin Herrmann	GER FRG	SWI	1988—1992	0–1–1 1989 Bonn SWI silver: 4×200 m freestyle relay, bronze: 100 m butterfly (competed for West Germany)
Nicole Hetzer	GER	SWI	2000—2004	1–1–1 2002 Berlin SWI bronze: 400 m medley; 2006 Budapest SWI gold: 4×200 m freestyle relay (swam in heats only), silver: 400 m medley
Betty Heukels	NED	SWI	1964	1–0–0 1966 Utrecht SWI gold: 400 m medley
James Hickman	GBR	SWI	1996—2004	0–2–1 1999 İstanbul SWI silver: 100 m butterfly; 2000 Helsinki SWI silver: 200 m butterfly, bronze: 100 m butterfly
László Hidvégi	HUN	DIV	1936—1948	0–0–2 1938 London DIV bronze: platform; 1947 Monte Carlo DIV bronze: 3 m springboard
Lars Hinneburg	GDR	SWI	1988	0–2–0 1985 Sofia SWI silver: 4×100 m freestyle relay; 1987 Strasbourg SWI silver: 4×200 m freestyle relay
Margery Hinton	GBR	SWI	1928—1936	0–0–3 1931 Paris SWI bronze: 200 m breaststroke; 1934 Magdeburg SWI bronze: 4×100 m freestyle relay; 1938 London SWI bronze: 4×100 m freestyle relay
Josef Hladky	GER	SWI	1992	0–1–4 1981 Split SWI bronze: 200 m medley (competed for Czechoslovakia); 1983 Roma SWI bronze: 200 m medley and 400 m medley (competed for Czechoslovakia); 1985 Sofia SWI silver: 200 m medley (competed for Czechoslovakia); 1989 Bonn SWI bronze: 200 m medley (competed for West Germany)
Ilona Hlaváčková	CZE	SWI	2000—2004	1–0–1 2000 Helsinki SWI bronze: 50 m backstroke; 2004 Madrid SWI gold: 50 m backstroke
Erik Hochstein	FRG	SWI	1988	0–1–0 1989 Bonn SWI silver: 4×200 m freestyle relay
Freddie Hodges	GBR	DIV	1936	0–0–1 1938 London DIV bronze: 3 m springboard
Falk Hoffmann	GDR	DIV	1972—1980	1–1–1 1974 Wien DIV silver: platform; 1977 Jönköping DIV gold: 3 m springboard, bronze: platform
Jörg Hoffmann	GDR GER	SWI	1988—1996	4–1–1 1989 Bonn SWI gold: 1500 m freestyle (competed for East Germany); 1991 Athina SWI gold: 1500 m freestyle, bronze: 4×200 m freestyle relay (competed for Germany); 1993 Sheffield SWI gold: 1500 m freestyle, silver: 4×200 m freestyle relay (competed for Germany); 1995 Wien SWI gold: 1500 m freestyle (competed for Germany)
Frank Hoffmeister	FRG	SWI	1988	0–0–1 1987 Strasbourg SWI bronze: 100 m backstroke
Veronika Holletz	GER	SWI	1964	0–0–1 1962 Leipzig SWI bronze: 100 m backstroke (competed for East Germany)
Anders Holmertz	SWE	SWI	1984—1996	1–4–8 1985 Sofia SWI silver: 4×200 m freestyle relay; 1987 Strasbourg SWI gold: 200 m freestyle, bronze: 4×200 m freestyle relay; 1989 Bonn SWI bronze: 200 m freestyle and 4×100 m freestyle relay; 1991 Athina SWI bronze: 4×100 m freestyle relay; 1993 Sheffield SWI silver: 4×100 m freestyle relay, bronze: 200 m freestyle and 400 m freestyle; 1995 Wien SWI silver: 200 m freestyle and 4×200 m freestyle relay, bronze: 400 m freestyle and 4×100 m freestyle relay
Per Holmertz	SWE	SWI	1980	0–3–0 1981 Split SWI silver: 4×100 m freestyle relay; 1983 Roma SWI silver: 4×100 m freestyle relay and 4×100 m medley relay (swam in heats only)
Joakim Holmquist	SWE	SWI	1988—1992	0–0–1 1989 Bonn SWI bronze: 4×100 m freestyle relay
Caroline Holmyard	GBR	SWA	1984	3–0–0 1981 Split SYN gold: duet and team; 1983 Roma SYN gold: team
Sven von Holst	SWE	SWI	1968	0–0–1 1974 Wien SWI bronze: 4×200 m freestyle relay (swam in heats only)
Hanni Hölzner	GER	SWI	1936	0–1–0 1934 Magdeburg SWI silver: 200 m breaststroke
Pieter van den Hoogenband	NED	SWI	1996—2008	10–5–4 1997 Sevilla SWI silver: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay; 1999 İstanbul SWI gold: 50 m freestyle, 100 m freestyle, 200 m freestyle, 50 m butterfly, 4×100 m freestyle relay, and 4×100 m medley relay; 2000 Helsinki SWI silver: 50 m freestyle, 100 m freestyle, and 200 m freestyle, bronze: 4×200 m freestyle relay; 2002 Berlin SWI gold: 100 m freestyle and 200 m freestyle; 2004 Madrid SWI gold: 200 m freestyle, silver: 100 m freestyle; 2006 Budapest SWI gold: 200 m freestyle, bronze: 100 m freestyle; 2008 Eindhoven SWI bronze: 4×100 m freestyle relay
Silke Hörner	GDR	SWI	1988	3–1–1 1985 Sofia SWI silver: 100 m breaststroke, bronze: 200 m breaststroke; 1987 Strasbourg SWI gold: 100 m breaststroke, 200 m breaststroke, and 4×100 m medley relay
Vicky Horner	GBR	SWI	1996	0–0–1 1995 Wien SWI bronze: 4×200 m freestyle relay
Raïsa Horokhovska	URS	DIV	1956—1960	0–1–0 1958 Budapest DIV silver: platform
Oleksandr Horshkovozov	UKR	DIV	2012—2016	0–1–4 2012 Eindhoven DIV bronze: synchronized platform; 2014 Berlin DIV bronze: synchronized springboard; 2016 London DIV silver: Team Event, bronze: synchronized springboard and synchronized platform
Ria van der Horst	NED	SWI	1948—1952	1–0–0 1950 Wien SWI gold: 100 m backstroke
Fabien Horth	FRA	SWI	2004	0–0–1 2004 Madrid SWI bronze: 4×200 m freestyle relay
Péter Horváth	HUN	SWI	1992—2004	0–2–1 1991 Athina SWI bronze: 4×100 m medley relay; 1993 Sheffield SWI silver: 4×100 m medley relay; 1995 Wien SWI silver: 4×100 m medley relay
Katinka Hosszú	HUN	SWI	2004—2016	14–5–2 2008 Eindhoven SWI silver: 400 m medley; 2010 Budapest SWI gold: 200 m butterfly, 200 m medley, and 4×200 m freestyle relay, silver: 400 m medley; 2012 Debrecen SWI gold: 200 m butterfly, 200 m medley, and 400 m medley, silver: 4×200 m freestyle relay; 2014 Berlin SWI gold: 100 m backstroke, 200 m medley, and 400 m medley, silver: 200 m freestyle, bronze: 200 m butterfly and 4×200 m freestyle relay; 2016 London SWI gold: 200 m backstroke, 200 m medley, 400 m medley, and 4×200 m freestyle relay, silver: 100 m backstroke; 2018 Glasgow SWI gold: 200 m medley
Joline Höstman	SWE	SWI	2008—2012	0–1–2 2008 Eindhoven SWI bronze: 100 m breaststroke; 2010 Budapest SWI silver: 4×100 m medley relay; 2012 Debrecen SWI bronze: 4×100 m medley relay
Andriy Hovorov	UKR	SWI	2010—2016	2–1–2 2012 Debrecen SWI bronze: 50 m freestyle; 2014 Berlin SWI bronze: 50 m butterfly; 2016 London SWI gold: 50 m butterfly, silver: 50 m freestyle; 2018 Glasgow SWI gold: 50 m butterfly
Jan Hołub	POL	SWI	2014	0–0–1 2018 Glasgow SWI bronze: 4×100 m freestyle relay (swam in heats only)
Olena Hrechykhina	UKR	SWA	2016	2–4–2 2010 Budapest SYN bronze: team Free and team Free Routine Combination; 2012 Eindhoven SYN silver: team Free Routine Combination; 2014 Berlin SYN gold: team Free Routine Combination; 2014 Berlin SYN silver: team Free; 2016 London SYN gold: team Free, silver: team Technical and team Free Routine Combination
Yuriy Hromak	URS	SWI	1968	1–0–0 1966 Utrecht SWI gold: 200 m backstroke
Philip Hubble	GBR	SWI	1980—1984	0–1–0 1981 Split SWI silver: 200 m butterfly
Sophie Huber	FRA	SWI	2008	1–0–1 2006 Budapest SWI bronze: 4×200 m freestyle relay; 2008 Eindhoven SWI gold: 4×200 m freestyle relay (swam in heats only)
Claire Huddart	GBR	SWI	1996—2000	0–0–4 1993 Sheffield SWI bronze: 4×200 m freestyle relay; 1995 Wien SWI bronze: 4×100 m freestyle relay and 4×200 m freestyle relay; 1999 İstanbul SWI bronze: 4×100 m freestyle relay
Edna Hughes	GBR	SWI	1932—1936	0–0–1 1934 Magdeburg SWI bronze: 4×100 m freestyle relay
Aliaksandr Hukau	BLR	SWI	1996—2000	2–0–0 1997 Sevilla SWI gold: 100 m breaststroke and 200 m breaststroke
Daniela Hunger	GDR GER	SWI	1988—1992	7–3–0 1987 SWI Strasbourg silver: 200 m medley (competed for East Germany); 1989 Bonn SWI gold: 200 m medley, 400 m medley, and 4×100 m freestyle relay, silver: 50 m freestyle (competed for East Germany); 1991 Athina SWI gold: 200 m medley, silver: 4×100 m freestyle relay (competed for Germany); 1993 Sheffield SWI gold: 200 m medley and 4×100 m freestyle relay (competed for Germany); 1995 Wien SWI gold: 4×100 m freestyle relay (competed for Germany)
Andrew Hunter	GBR	SWI	2008	0–1–0 2006 Budapest SWI silver: 4×200 m freestyle relay
Heike Hustede-Nagel	GER FRG	SWI	1964—1972	0–1–1 1966 Utrecht SWI silver: 100 m butterfly (competed as Heike Hustede for West Germany); 1970 Barcelona SWI bronze: 4×100 m medley relay (competed as Heike Nagel for West Germany)
Ragnhild Hveger	DEN	SWI	1936—1952	3–0–0 1938 London SWI gold: 100 m freestyle, 400 m freestyle, and 4×100 m freestyle relay
Frederik Hviid	ESP	SWI	1996—2000	1–1–0 1997 Sevilla SWI silver: 400 m medley; 1999 İstanbul SWI gold: 400 m medley
Emanuele Idini	ITA	SWI	1992—1996	0–1–1 1991 Athina SWI silver: 4×200 m freestyle relay; 1995 Wien SWI bronze: 4×200 m freestyle relay
Emma Igelström	SWE	SWI	2000	3–1–1 2000 Helsinki SWI gold: 4×100 m medley relay; 2002 Berlin SWI gold: 50 m breaststroke and 100 m breaststroke, silver: 4×100 m medley relay, bronze: 200 m breaststroke
Judit Ignacio	ESP	SWI	2010—2016	0–1–1 2014 Berlin SWI silver: 200 m butterfly; 2016 London SWI bronze: 200 m butterfly
Lara Ilchenko	RUS	SWI	2008	1–0–1 2006 Budapest SWI bronze: 5 km; 2008 Dubrovnik SWI gold: 10 km
Javi Illana	ESP	DIV	2004—2012	0–0–1 2010 Budapest DIV bronze: 1 m springboard
Pavlo Illichov	UKR	SWI	2004	1–0–0 2004 Madrid SWI gold: 4×100 m medley relay (swam in heats only)
Leonid Ilyichov	URS	SWI	1968	3–3–1 1966 Utrecht SWI gold: 4×200 m freestyle relay and 4×100 m medley relay, silver: 100 m freestyle and 4×100 m freestyle relay; 1970 Barcelona SWI gold: 4×100 m freestyle relay, silver: 4×200 m freestyle relay (swam in heats only), bronze: 4×100 m medley relay
Vera Ilyina	RUS EUN	DIV	1992—2004	8–6–1 1991 Athina DIV silver: 3 m springboard (competed for the Soviet Union); 1993 Sheffield DIV silver: 3 m springboard, bronze: 1 m springboard (competed for Russia); 1995 Wien DIV gold: 1 m springboard and 3 m springboard (competed for Russia); 1997 Sevilla DIV gold: 1 m springboard, silver: 3 m springboard (competed for Russia); 1999 İstanbul DIV gold: 1 m springboard and 3 m springboard (competed for Russia); 2000 Helsinki DIV gold: 1 m springboard and synchronized springboard (competed for Russia); 2002 Berlin DIV silver: 1 m springboard and synchronized springboard (competed for Russia); 2004 Madrid DIV gold: synchronized springboard, silver: 3 m springboard (competed for Russia)
Kristina Ilyinykh	RUS	DIV	2016	0–1–2 2014 Berlin DIV silver: 1 m springboard; 2016 London DIV bronze: synchronized springboard; 2018 Edinburgh DIV bronze: synchronized springboard
Caroline Imoberdorf	SUI	SWA	1992	0–0–1 1989 Bonn SYN bronze: team
Apostolia Ioannou	GRE	SWA	2004	0–0–1 2004 Madrid SYN bronze: team Free Routine Combination
Sara Isakovič	SLO	SWI	2004—2012	1–0–1 2008 Eindhoven SWI gold: 200 m freestyle; 2012 Debrecen SWI bronze: 4×200 m freestyle relay
Nataliya Ishchenko	RUS	SWA	2008—2016	12–2–0 2004 Madrid SYN silver: solo; 2006 Budapest SYN gold: solo, team Free and team Free Routine Combination; 2008 Eindhoven SYN silver: solo; 2010 Budapest SYN gold: solo, duet, team Free, and team Free Routine Combination; 2012 Eindhoven SYN gold: solo,: duet; 2016 London SYN gold: solo Free, duet Technical, and duet Free
Roman Ivanovsky	RUS	SWI	1996	2–0–0 2000 Helsinki SWI gold: 4×100 m medley relay (swam in heats only); 2002 Berlin SWI gold: 4×100 m medley relay (swam in heats only)
Amit Ivry	ISR	SWI	2012—2016	0–0–1 2012 Debrecen SWI bronze: 100 m butterfly
Dan Izotov	RUS	SWI	2008—2016	3–1–1 2010 Budapest SWI gold: 4×100 m freestyle relay and 4×200 m freestyle relay; 2018 Glasgow SWI gold: 4×100 m freestyle relay, silver: 4×200 m freestyle relay, bronze: 4×100 m freestyle mixed relay (swam in heats only)
Alex Jackson	GBR	SWI	1968	0–0–1 1970 Barcelona SWI bronze: 100 m freestyle
Jo Jackson	GBR	SWI	2004—2012	0–3–1 2006 Budapest SWI silver: 400 m freestyle; 2008 Eindhoven SWI silver: 4×200 m freestyle relay; 2010 Budapest SWI silver: 4×100 m freestyle relay, bronze: 4×200 m freestyle relay
Rainer Jacob	FRG	SWI	1972	0–1–0 1970 Barcelona SWI silver: 4×100 m freestyle relay
Gisela Jacob-Arendt	GER	SWI	1936—1952	0–2–1 1934 Magdeburg SWI silver: 100 m backstroke and 4×100 m freestyle relay, bronze: 100 m freestyle (competed as Gisela Arendt)
Mette Jacobsen	DEN	SWI	1988—2004	7–3–8 1989 SWI Bonn bronze: 200 m freestyle and 200 m butterfly; 1991 Athina SWI gold: 200 m freestyle, 200 m butterfly, and 4×200 m freestyle relay, bronze: 4×100 m freestyle relay; 1995 Wien SWI gold: 100 m backstroke and 100 m butterfly, silver: 100 m freestyle and 200 m butterfly, bronze: 200 m freestyle; 1997 Sevilla SWI gold: 100 m butterfly, bronze: 200 m butterfly and 4×200 m freestyle relay; 1999 İstanbul SWI gold: 200 m butterfly; 2000 Helsinki SWI silver: 200 m butterfly, bronze: 100 m freestyle; 2004 Madrid SWI bronze: 200 m butterfly
Ulla Jäfvert	SWE	SWI	1964	0–1–0 1966 Utrecht SWI silver: 4×100 m freestyle relay
Zsu Jakabos	HUN	SWI	2004—2016	1–4–4 2010 Budapest SWI silver: 200 m butterfly, bronze: 400 m medley; 2012 Debrecen SWI silver: 200 m butterfly, 400 m medley, and 4×200 m freestyle relay; 2014 Berlin SWI bronze: 4×200 m freestyle relay; 2016 London SWI gold: 4×200 m freestyle relay, bronze: 400 m medley and 4×100 m medley mixed relay
Mimosa Jallow	FIN	SWI	2016	0–0–2 2016 London SWI bronze: 4×100 m medley relay; 2018 Glasgow SWI bronze: 50 m backstroke
Andy Jameson	GBR	SWI	1984—1988	1–2–0 1985 Sofia SWI silver: 100 m butterfly; 1987 Strasbourg SWI gold: 100 m butterfly, silver: 4×100 m medley relay
Marina Janicke	GDR	DIV	1972	0–2–0 1970 Barcelona DIV silver: 3 m springboard and platform
Florian Janistyn	AUT	SWI	2008—2012	0–0–1 2008 Eindhoven SWI bronze: 4×200 m freestyle relay (swam in heats only)
Kati Jansen	GER	SWI	1952—1956	0–0–1 1954 Torino SWI bronze: 4×100 m freestyle relay (competed for West Germany)
Vytautas Janušaitis	LTU	SWI	2004—2012	0–0–1 2008 Eindhoven SWI bronze: 200 m medley
Alex Jany	FRA	SWI/WAP	1948—1960	4–2–0 1947 Monte Carlo SWI gold: 100 m freestyle and 400 m freestyle, silver: 4×200 m freestyle relay; 1950 Wien SWI gold: 100 m freestyle and 400 m freestyle, silver: 4×200 m freestyle relay
Beate Jasch	FRG	SWI	1976	0–1–0 1974 Wien SWI silver: 4×100 m medley relay
Martina Jäschke	GDR	DIV	1980	0–1–1 1981 Split DIV silver: 3 m springboard, bronze: platform
Cécile Jeanson	FRA	SWI	1992—2000	0–0–1 1995 Wien SWI bronze: 100 m butterfly
Otylia Jędrzejczak	POL	SWI	2000—2012	5–3–2 1999 İstanbul SWI bronze: 200 m butterfly; 2000 Helsinki SWI gold: 200 m butterfly, silver: 100 m butterfly; 2002 Berlin SWI gold: 200 m butterfly, silver: 100 m butterfly; 2004 Madrid SWI gold: 200 m butterfly, bronze: 100 m butterfly; 2006 Budapest SWI gold: 200 m freestyle and 200 m butterfly, silver: 4×200 m freestyle relay
Brian Jenkins	GBR	SWI	1964	0–1–0 1962 Leipzig SWI silver: 200 m butterfly
Sue Jenner	GBR	SWI	1976	0–0–1 1977 Jönköping SWI bronze: 200 m butterfly
Olga Jensch-Jordan	GER	DIV	1932—1936	2–0–0 1931 Paris DIV gold: 3 m springboard (competed as Olga Jordan); 1934 Magdeburg DIV gold: 3 m springboard (competed as Olga Jensch-Jordan)
Ditte Jensen	DEN	SWI	1996	0–0–1 1997 Sevilla SWI bronze: 4×200 m freestyle relay
Gitta Jensen	DEN	SWI	1988—1992	1–0–1 1991 Athina SWI gold: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay
Julie Jensen	DEN	SWI	2016	0–0–1 2018 Glasgow SWI bronze: 4×100 m freestyle relay
Jan Jiskoot	NED	SWI	1960—1964	0–1–1 1962 Leipzig SWI silver: 400 m medley, bronze: 4×100 m medley relay
Kate Jobson	SWE	SWI	1956	1–0–1 1958 Budapest SWI gold: 100 m freestyle, bronze: 4×100 m freestyle relay
Pál Joensen	DEN	SWI	2012—2016	0–3–0 2010 Budapest SWI silver: 1500 m freestyle (competed for the Faroer Islands); 2014 Berlin SWI silver: 800 m freestyle and 1500 m freestyle (competed for the Faroer Islands)
Camilla Johansson	SWE	SWI	2000	1–0–0 2000 Helsinki SWI gold: 4×100 m medley relay (swam in heats only)
Jennie Johansson	SWE	SWI	2012—2016	1–5–1 2010 Budapest SWI silver: 100 m breaststroke, bronze: 50 m breaststroke; 2012 Debrecen SWI silver: 100 m breaststroke; 2014 Berlin SWI silver: 50 m breaststroke, 100 m breaststroke, and 4×100 m medley relay; 2016 London SWI gold: 50 m breaststroke
Olle Johansson	SWE	SWI/WAP	1948—1952	2–0–0 1947 Monte Carlo SWI gold: 4×200 m freestyle relay; 1950 Wien SWI gold: 4×200 m freestyle relay
Per Johansson	SWE	SWI	1980—1988	2–4–1 1981 Split SWI gold: 100 m freestyle, silver: 4×100 m freestyle relay and 4×100 m medley relay; 1983 Roma SWI gold: 100 m freestyle, silver: 4×100 m freestyle relay; 1985 Sofia SWI silver: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay
Svante Johansson	SWE	DIV	1948	0–1–0 1947 Monte Carlo DIV silver: 3 m springboard
Heike John	FRG	SWI	1976	0–0–1 1977 Jönköping SWI bronze: 4×100 m medley relay
Louise Jöhncke	SWE	SWI	1996—2000	2–7–0 1993 Sheffield SWI silver: 4×100 m freestyle relay and 4×200 m freestyle relay; 1995 Wien SWI silver: 4×100 m freestyle relay; 1997 Sevilla SWI silver: 4×100 m freestyle relay and 4×200 m freestyle relay; 1999 İstanbul SWI silver: 4×100 m freestyle relay and 4×200 m freestyle relay; 2000 Helsinki SWI gold: 4×100 m freestyle relay and 4×100 m medley relay
Reggie de Jong	NED	SWI	1980	0–0–1 1983 Roma SWI bronze: 4×200 m freestyle relay
Daphne Jongejans	NED	DIV	1984—1992	1–0–1 1983 Roma DIV bronze: 3 m springboard; 1987 Strasbourg DIV gold: 3 m springboard
Edwin Jongejans	NED	DIV	1988—1992	2–0–1 1989 Bonn DIV gold: 1 m springboard; 1991 Athina DIV bronze: 1 m springboard; 1995 Wien DIV gold: 1 m springboard
Sanja Jovanović	CRO	SWI	2004—2012	0–1–2 2004 Madrid SWI bronze: 200 m backstroke; 2008 Eindhoven SWI bronze: 50 m backstroke; 2012 Debrecen SWI silver: 50 m backstroke
Dinko Jukic	AUT	SWI	2008—2012	0–1–2 2008 Eindhoven SWI silver: 200 m medley, bronze: 400 m medley and 4×200 m freestyle relay
Mirna Jukic	AUT	SWI	2004—2008	3–1–2 2002 Berlin SWI gold: 200 m breaststroke; 2004 Madrid SWI gold: 200 m breaststroke, bronze: 100 m breaststroke; 2008 Eindhoven SWI gold: 100 m breaststroke, silver: 200 m breaststroke, bronze: 50 m breaststroke
Ágnes Kaczander-Kiss	HUN	SWI	1972	0–0–1 1974 Wien SWI bronze: 100 m breaststroke
Marcin Kaczmarek	POL	SWI	2000	0–0–1 1997 Sevilla SWI bronze: 4×100 m medley relay
Géza Kádas	HUN	SWI	1948—1952	1–0–2 1947 Monte Carlo SWI bronze: 4×200 m freestyle relay; 1954 Torino SWI gold: 4×200 m freestyle relay, bronze: 100 m freestyle
Sabine Kahle	GDR	SWI	1976	0–2–0 1977 Jönköping SWI silver: 200 m medley and 400 m medley
Christophe Kalfayan	FRA	SWI	1988—1996	0–4–0 1989 Bonn SWI silver: 4×100 m freestyle relay; 1991 Athina SWI silver: 4×100 m medley relay; 1993 Sheffield SWI silver: 50 m freestyle; 1995 Wien SWI silver: 50 m freestyle
Irina Kalinina	URS	DIV	1976—1980	0–2–3 1974 Wien DIV silver: 3 m springboard and platform; 1977 Jönköping DIV bronze: 3 m springboard and platform; 1981 Split DIV bronze: 3 m springboard
Anna-Karin Kammerling	SWE	SWI	2000—2008	4–3–1 1999 İstanbul SWI gold: 50 m butterfly; 2000 Helsinki SWI gold: 50 m butterfly and 4×100 m freestyle relay; 2002 Berlin SWI gold: 50 m butterfly, silver: 4×100 m freestyle relay and 4×100 m medley relay, bronze: 100 m butterfly; 2006 Budapest SWI silver: 50 m butterfly
Berber Kamstra	NED	SWI	1976	0–1–0 1977 Jönköping SWI silver: 4×100 m freestyle relay (swam in heats only)
Tivadar Kanizsa	HUN	SWI/WAP	1956—1964	0–0–1 1958 Budapest SWI bronze: 4×200 m freestyle relay (swam in heats only)
Boglárka Kapás	HUN	SWI	2008—2016	6–1–2 2012 Debrecen SWI gold: 800 m freestyle; 2014 Berlin SWI silver: 1500 m freestyle, bronze: 800 m freestyle and 4×200 m freestyle relay; 2016 London SWI gold: 400 m freestyle, 800 m freestyle, 1500 m freestyle, and 4×200 m freestyle relay; 2018 Glasgow SWI gold: 200 m butterfly
Anni Kapp	GER	DIV	1936	0–0–1 1934 Magdeburg DIV bronze: 3 m springboard
Andrey Kapralov	RUS	SWI	2000—2008	2–5–1 1999 İstanbul SWI bronze: 4×200 m freestyle relay; 2000 Helsinki SWI gold: 4×100 m freestyle relay; 2004 Madrid SWI silver: 200 m freestyle, 4×100 m freestyle relay, and 4×200 m freestyle relay; 2006 Budapest SWI gold: 4×100 m medley relay, silver: 4×100 m freestyle relay; 2008 Eindhoven SWI silver: 4×200 m freestyle relay (swam in heats only)
Vadzim Kaptur	BLR	DIV	2008—2016	0–2–2 2008 Eindhoven DIV silver: synchronized platform; 2010 Budapest DIV bronze: platform and synchronized platform; 2014 Berlin DIV silver: synchronized platform
Yauhen Karaliou	BLR	DIV	2016	0–1–0 2014 Berlin DIV silver: synchronized platform
Maria Kardum	SWE	SWI	1984	0–0–1 1985 Sofia SWI bronze: 4×200 m freestyle relay
Håkan Karlsson	SWE	SWI	1992	0–0–1 1989 Bonn SWI bronze: 4×100 m freestyle relay
Louise Karlsson	SWE	SWI	1992—1996	0–1–0 1995 Wien SWI silver: 4×100 m freestyle relay
Simone Karn	GER	SWI	2000	1–0–0 2002 Berlin SWI gold: 4×100 m medley relay (competed as Simone Weiler)
György Kárpáti	HUN	SWI/WAP	1952—1964	0–0–1 1958 Budapest SWI bronze: 4×200 m freestyle relay (swam in heats only)
Jenny Kastein	NED	SWI	1936	0–1–0 1931 Paris silver: 200 m breaststroke
Antti Kasvio	FIN	SWI	1992—1996	2–0–1 1993 Sheffield SWI gold: 200 m freestyle and 400 m freestyle; 1995 Wien SWI bronze: 200 m freestyle
József Katona	HUN	SWI	1960—1964	1–1–1 1958 Budapest SWI silver: 1500 m freestyle, bronze: 4×200 m freestyle relay; 1962 Leipzig SWI gold: 1500 m freestyle
Klaus Katzur	GDR GER	SWI	1964—1972	2–0–1 1966 Utrecht SWI bronze: 400 m medley (competed for East Germany); 1970 Barcelona SWI gold: 200 m breaststroke and 4×100 m medley relay (competed for East Germany)
Radosław Kawęcki	POL	SWI	2012—2016	3–1–0 2012 Debrecen SWI gold: 200 m backstroke; 2014 Berlin SWI gold: 200 m backstroke; 2016 London SWI gold: 200 m backstroke; 2018 Glasgow SWI silver: 200 m backstroke
Alenka Kejžar	SLO	SWI	1996—2004	0–1–1 2002 Berlin SWI bronze: 200 m medley; 2004 Madrid SWI silver: 200 m breaststroke
Christian Keller	GER	SWI	1992—2004	2–5–5 1991 Athina SWI bronze: 4×200 m freestyle relay; 1993 Sheffield SWI silver: 4×200 m freestyle relay, bronze: 200 m medley; 1995 Wien SWI gold: 4×200 m freestyle relay, silver: 4×100 m freestyle relay, bronze: 200 m medley; 1997 Sevilla SWI bronze: 4×200 m freestyle relay; 1999 İstanbul SWI gold: 4×200 m freestyle relay, silver: 4×100 m medley relay, bronze: 4×100 m freestyle relay; 2000 Helsinki SWI silver: 200 m medley and 4×200 m freestyle relay
Tamás Kenderesi	HUN	SWI	2014—2016	0–1–1 2016 London SWI bronze: 200 m butterfly; 2018 Glasgow SWI silver: 200 m butterfly
Peter Kendrew	GBR	SWI	1964	0–1–0 1962 Leipzig SWI silver: 4×100 m freestyle relay
Johan Kenkhuis	NED	SWI	2000—2004	1–0–0 1999 İstanbul SWI gold: 4×100 m freestyle relay
Tamás Kerékjártó	HUN	SWI	1996—2008	0–0–1 2006 Budapest SWI bronze: 200 m medley
Ajna Késely	HUN	SWI	2016—2018	1–2–1 2016 London SWI gold: 4×200 m freestyle relay (swam in heats only); 2018 Glasgow SWI silver: 400 m freestyle and 800 m freestyle, bronze: 1500 m freestyle
Elvira Khasyanova	RUS	SWA	2004—2012	6–0–0 2002 Berlin SYN gold: team; 2004 Madrid SYN gold: team Free; 2006 Budapest SYN gold: team Free and team Free Routine Combination; 2010 Budapest SYN gold: team Free and team Free Routine Combination
Hanna Khlistunova	UKR	SWI	2008	1–0–0 2006 Budapest SWI gold: 100 m breaststroke
Pavlo Khnykin	UKR EUN	SWI	1992—2004	1–0–2 1991 Athina SWI gold: 4×100 m freestyle relay (competed for the Soviet Union); 1993 Sheffield SWI bronze: 100 m freestyle (competed for Ukraine); 2000 Helsinki SWI bronze: 4×100 m medley relay (competed for Ukraine)
Sviatlana Khokhlava	BLR	SWI	2004—2012	0–1–1 2004 Madrid SWI silver: 50 m freestyle; 2008 Eindhoven SWI bronze: 50 m butterfly
Leonid Khokhlov	RUS	SWI	2000	1–0–0 2000 Helsinki SWI gold: 4×100 m freestyle relay (swam in heats only)
Ilya Khomenko	RUS	SWI	2016	0–1–0 2018 Glasgow SWI silver: 4×100 m medley mixed relay (swam in heats only)
Maria Khristodoulou	GRE	SWA	2004	0–0–1 2004 Madrid SYN bronze: team Free Routine Combination
Olga Khristoforova	RUS	DIV	1996	1–0–0 1997 Sevilla DIV gold: platform
Apostolos Khristou	GRE	SWI	2014—2016	0–0–2 2016 London SWI bronze: 100 m backstroke; 2018 Glasgow SWI bronze: 100 m backstroke
Michael Kiedel	GER	SWI	2000	1–1–0 1999 İstanbul SWI gold: 4×200 m freestyle relay; 2000 Helsinki SWI silver: 4×200 m freestyle relay
Kerstin Kielgaß	GER	SWI	1992—2000	10–3–1 1985 Sofia SWI gold: 4×100 m freestyle relay and 4×200 m freestyle relay (competed for East Germany); 1993 Sheffield SWI gold: 4×100 m freestyle relay and 4×200 m freestyle relay, silver: 400 m freestyle; 1995 Wien SWI gold: 200 m freestyle, 4×100 m freestyle relay, and 4×200 m freestyle relay; 1997 Sevilla SWI gold: 800 m freestyle and 4×200 m freestyle relay, bronze: 400 m freestyle; 1999 İstanbul SWI gold: 4×200 m freestyle relay, silver: 200 m freestyle and 400 m freestyle
Cees Kievit	NED	SWI	1948	0–1–0 1950 Wien SWI silver: 100 m backstroke
Albin Killat	GER FRG	DIV	1984—1992	3–1–0 1985 Sofia DIV silver: platform (competed for West Germany); 1987 Strasbourg DIV gold: 3 m springboard (competed for West Germany); 1989 Bonn DIV gold: 3 m springboard (competed for West Germany); 1991 Athina DIV gold: 3 m springboard (competed for Germany)
Klára Killermann-Bartos	HUN	SWI	1952—1960	0–0–1 1954 Torino SWI bronze: 200 m breaststroke (competed as Klára Killermann)
Ellen King	GBR	SWI	1924—1928	1–0–0 1927 Bologna SWI gold: 4×100 m freestyle relay
Jaime King	GBR	SWI	1992—2000	0–0–2 1993 Sheffield SWI bronze: 4×100 m medley relay; 1997 Sevilla SWI bronze: 4×100 m medley relay
Nicolas Kintz	FRA	SWI	2000—2004	0–0–2 2000 Helsinki SWI bronze: 4×100 m freestyle relay; 2004 Madrid SWI bronze: 4×200 m freestyle relay
Gergő Kis	HUN	SWI	2004—2016	2–2–2 2008 Eindhoven SWI gold: 800 m freestyle; 2010 Budapest SWI bronze: 400 m freestyle; 2012 Debrecen SWI gold: 800 m freestyle, silver: 400 m freestyle and 1500 m freestyle, bronze: 4×200 m freestyle relay
Mariya Kiselyova	RUS	SWA	1996—2004	9–0–0 1995 Wien SYN gold: duet and team; 1997 Sevilla SYN gold: duet and team; 1999 İstanbul SYN gold: duet and team; 2000 Helsinki SYN gold: duet and team; 2004 Madrid SYN gold: team Free
Bartosz Kizierowski	POL	SWI	1996—2008	2–0–2 1997 Sevilla SWI bronze: 4×100 m medley relay; 2002 Berlin SWI gold: 50 m freestyle, bronze: 50 m backstroke; 2006 Budapest SWI gold: 50 m freestyle
Paula Klamburg	ESP	SWA	2012	2–2–2 2010 Budapest SYN silver: team Free and team Free Routine Combination; 2012 Eindhoven SYN gold: team Free and team Free Routine Combination; 2014 Berlin SYN bronze: duet and team Free
Truus Klapwijk	NED	DIV/SWI/WAP	1920—1928	0–1–0 1927 Bologna SWI silver: 4×100 m freestyle relay
Ina Kleber	GDR	SWI	1980	4–0–0 1981 Split SWI gold: 100 m backstroke and 4×100 m medley relay; 1983 Roma SWI gold: 100 m backstroke and 4×100 m medley relay
Herbert Klein	GER	SWI	1952—1956	1–0–0 1950 Wien SWI gold: 200 m breaststroke (competed for West Germany)
Sascha Klein	GER	DIV	2008—2016	7–2–2 2006 Budapest DIV silver: synchronized platform; 2008 Eindhoven DIV gold: synchronized platform, silver: platform; 2010 Budapest DIV gold: platform, synchronized platform, and Team Event; 2012 Eindhoven DIV gold: synchronized platform; 2014 Berlin DIV gold: synchronized platform, bronze: platform and Team Event; 2016 London DIV gold: synchronized platform
Olga Klevakina	URS	SWI	1980	0–1–2 1977 Jönköping SWI silver: 4×100 m medley relay, bronze: 200 m medley; 1981 Split SWI bronze: 200 m medley
Anja Klinar	SLO	SWI	2004—2016	0–0–2 2004 Madrid SWI bronze: 400 m medley; 2012 Debrecen SWI bronze: 4×200 m freestyle relay
Martin Klink	GER	SWI	1964	0–0–1 1962 Leipzig SWI bronze: 4×200 m freestyle relay (competed for East Germany)
Yana Klochkova	UKR	SWI	2000—2008	10–2–4 1997 Sevilla SWI silver: 400 m medley, bronze: 200 m medley; 1999 İstanbul SWI gold: 200 m medley and 400 m medley, bronze: 400 m freestyle; 2000 Helsinki SWI gold: 400 m freestyle, 200 m medley, and 400 m medley; 2002 Berlin SWI gold: 400 m freestyle, 200 m medley, and 400 m medley, bronze: 4×100 m medley relay; 2004 Madrid SWI gold: 200 m medley and 400 m medley, silver: 4×100 m medley relay, bronze: 400 m freestyle
Edit Klocker	HUN	SWI	1996	0–1–0 1995 Wien SWI silver: 4×100 m medley relay
Birgit Klomp	GER	SWI	1956	0–0–1 1954 Torino SWI bronze: 4×100 m freestyle relay (competed for West Germany)
Christiane Knacke	GDR	SWI	1980	1–1–0 1977 Jönköping SWI gold: 4×100 m medley relay (swam in heats only), silver: 100 m butterfly
Ulrika Knape	SWE	DIV	1972—1976	2–0–0 1974 Wien DIV gold: 3 m springboard and platform
Andrea Kneppers	NED	SWI	2016	0–0–1 2016 London SWI bronze: 4×200 m freestyle relay
Reggie Knight	GBR	DIV	1924—1928	0–0–1 1926 Budapest DIV bronze: platform
Thomas Knuths	GDR	DIV	1980	1–0–0 1985 Sofia DIV gold: platform
Edeltraud Koch	FRG	SWI	1972	0–0–1 1970 Barcelona SWI bronze: 100 m butterfly
Marco Koch	GER	SWI	2012—2016	1–2–0 2012 Debrecen SWI silver: 200 m breaststroke; 2014 Berlin SWI gold: 200 m breaststroke; 2016 London SWI silver: 200 m breaststroke
Simona Koch	GER	DIV	1992—1996	1–1–1 1993 Sheffield DIV gold: 1 m springboard, bronze: 3 m springboard; 1999 İstanbul DIV silver: synchronized springboard
Olga Kochetkova	RUS	SWI	1996	0–1–0 1997 Sevilla SWI silver: 4×100 m medley relay
Vera Kock	SWE	SWI	1968	0–0–1 1970 Barcelona SWI bronze: 4×100 m freestyle relay (swam in heats only)
Christa Köhler	GDR	DIV	1972—1976	1–0–0 1977 Jönköping DIV gold: 3 m springboard
Sarah Köhler	GER	SWI	2016	0–2–1 2018 Glasgow SWI silver: 1500 m freestyle, bronze: 4×200 m freestyle relay; 2018 Loch Lomond SWI silver: 5 km team
Ada Kok	NED	SWI	1964—1968	3–2–0 1962 Leipzig SWI gold: 100 m butterfly, silver: 4×100 m medley relay; 1966 Utrecht SWI gold: 100 m butterfly and 4×100 m medley relay, silver: 400 m freestyle
Gretta Kok	NED	SWI	1960—1964	2–0–0 1958 Budapest SWI gold: 4×100 m freestyle relay (swam in heats only); 1966 Utrecht SWI gold: 4×100 m medley relay
Ioannis Kokkodis	GRE	SWI	2000—2008	0–0–1 2002 Berlin SWI bronze: 4×200 m freestyle relay
Svetlana Kolesnichenko	RUS	SWA	2016	8–0–0 2014 Berlin SYN gold: duet and team Free; 2016 London SYN gold: team Technical and team Free Routine Combination; 2018 Glasgow SYN gold: solo Free, solo Technical, duet Free, and duet Technical
Kliment Kolesnikov	RUS	SWI	2018	3–2–1 2018 Glasgow SWI gold: 50 m backstroke, 100 m backstroke, and 4×100 m freestyle relay, silver: 4×100 m medley relay and 4×100 m medley mixed relay, bronze: 4×100 m freestyle mixed relay
Leonid Kolesnikov	URS	SWI	1960	1–1–0 1958 Budapest SWI gold: 200 m breaststroke; 1962 Leipzig SWI silver: 4×100 m medley relay
Dominik Koll	AUT	SWI	2004—2008	0–0–1 2008 Eindhoven SWI bronze: 4×200 m freestyle relay
Yuliya Koltunova	RUS	DIV	2004—2012	0–2–1 2006 Budapest DIV silver: synchronized platform and Team Event, bronze: platform
Stanislava Komarova	RUS	SWI	2004—2008	3–2–0 2002 Berlin SWI gold: 100 m backstroke and 200 m backstroke; 2004 Madrid SWI gold: 200 m backstroke, silver: 100 m backstroke; 2008 Eindhoven SWI silver: 4×100 m medley relay (swam in heats only)
Dmitry Komornikov	RUS	SWI	2000—2008	3–2–2 1999 İstanbul SWI silver: 200 m breaststroke, bronze: 4×100 m medley relay; 2000 Helsinki SWI gold: 200 m breaststroke and 4×100 m medley relay, bronze: 100 m breaststroke; 2004 Madrid SWI silver: 200 m breaststroke; 2006 Budapest SWI gold: 4×100 m medley relay (swam in heats only)
Sergey Konov	URS	SWI	1968	0–0–1 1970 Barcelona SWI bronze: 4×100 m medley relay (swam in heats only)
Sergey Koplyakov	URS	SWI	1976—1980	4–0–1 1977 Jönköping SWI gold: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay; 1981 Split SWI gold: 200 m freestyle, 4×100 m freestyle relay, and 4×200 m freestyle relay
Villő Kormos	HUN	DIV	2004—2016	0–0–2 2014 Berlin DIV bronze: synchronized platform; 2016 London DIV bronze: synchronized platform
Andrey Korneyev	RUS	SWI	1996	3–1–2 1993 Sheffield SWI bronze: 200 m breaststroke; 1995 Wien SWI gold: 200 m breaststroke and 4×100 m medley relay, bronze: 100 m breaststroke; 1997 Sevilla SWI gold: 4×100 m medley relay, silver: 200 m breaststroke
Darya Korobova	RUS	SWA	2012	3–0–0 2010 Budapest SYN gold: team Free and team Free Routine Combination; 2014 Berlin SYN gold: duet
Yevgeny Korotyshkin	RUS	SWI	2004—2012	4–1–1 2006 Budapest SWI gold: 4×100 m medley relay (swam in heats only); 2008 Eindhoven SWI gold: 100 m butterfly and 4×100 m medley relay; 2010 Budapest SWI gold: 100 m butterfly, silver: 4×100 m medley relay, bronze: 50 m butterfly
Joke de Korte	NED	SWI	1952	0–2–0 1954 Torino SWI silver: 100 m backstroke and 4×100 m freestyle relay
Dirk Korthals	FRG	SWI	1984	1–0–0 1985 Sofia SWI gold: 4×200 m freestyle relay
Paweł Korzeniowski	POL	SWI	2004—2016	3–0–1 2006 Budapest SWI gold: 200 m butterfly; 2008 Eindhoven SWI gold: 200 m butterfly; 2010 Budapest SWI gold: 200 m butterfly; 2014 Berlin SWI bronze: 200 m butterfly
Aleksandr Kosenkov	URS	DIV	1976—1980	0–0–1 1977 Jönköping DIV bronze: 3 m springboard
Annabel Kosten	NED	SWI	2004	0–1–0 2004 Madrid SWI silver: 4×100 m freestyle relay
Rosemarie Kother-Gabriel	GDR	SWI	1972—1976	3–0–0 1974 Wien SWI gold: 100 m butterfly, 200 m butterfly, and 4×100 m medley relay (competed as Rosemarie Kother)
Ditte Kotzian	GER	DIV	2000—2008	2–6–0 2002 Berlin DIV gold: synchronized springboard and synchronized platform, silver: 3 m springboard; 2004 Madrid DIV silver: synchronized springboard; 2006 Budapest DIV silver: 1 m springboard, 3 m springboard, and synchronized springboard; 2008 Eindhoven DIV silver: synchronized springboard
Evgenia Koutsoudi	GRE	SWA	2004	0–0–1 2004 Madrid SYN bronze: team Free Routine Combination
Ágnes Kovács	HUN	SWI	1996—2004	7–2–4 1995 Wien SWI silver: 4×100 m medley relay, bronze: 100 m breaststroke; 1997 Sevilla SWI gold: 100 m breaststroke and 200 m breaststroke; 1999 İstanbul SWI gold: 50 m breaststroke, 100 m breaststroke, and 200 m breaststroke; 2000 Helsinki SWI gold: 50 m breaststroke and 100 m breaststroke, silver: 200 m breaststroke; 2006 Budapest SWI bronze: 50 m breaststroke, 100 m breaststroke, and 200 m breaststroke
Edit Kovács	HUN	SWI	1968—1972	0–1–0 1970 Barcelona SWI silver: 4×100 m freestyle relay
Emese Kovács	HUN	SWI	2008	0–1–0 2008 Eindhoven SWI silver: 200 m butterfly
Rita Kovács	HUN	SWI	1996	2–1–2 1991 Terracina SWI bronze: 25 km; 1995 Wien SWI gold: 5 km; 1997 Sevilla SWI gold: 25 km, bronze: 5 km; 2006 Budapest SWI silver: 10 km
Zsuzsa Kovács	HUN	SWI	1964	0–0–1 1962 Leipzig SWI bronze: 4×100 m freestyle relay
Jiří Kovář	TCH	SWI	1948	0–0–1 1947 Monte Carlo SWI bronze: 100 m backstroke
Birgit Kowalczik	FRG	SWI	1984	0–1–0 1983 Roma SWI silver: 4×200 m freestyle relay
Jerzy Kowalewski	POL	DIV	1960—1968	0–0–1 1966 Utrecht DIV bronze: platform
Matjaž Kozelj	SLO YUG	SWI	1988—1992	0–0–1 1989 Bonn SWI bronze: 200 m butterfly (competed for Yugoslavia)
Anna Kozlova	EUN USA	SWA	1992—2004	4–0–0 1991 Athina SYN gold: duet and team (competed for the Soviet Union); 1993 Sheffield SYN gold: duet and team (competed for Russia)
Dominik Kozma	HUN	SWI	2008—2016	0–0–4 2012 Debrecen SWI bronze: 200 m freestyle, 4×200 m freestyle relay, and 4×100 m medley relay; 2014 Berlin SWI bronze: 4×100 m medley relay
Gordan Kožulj	CRO	SWI	1996—2008	2–3–0 1999 İstanbul SWI silver: 100 m backstroke and 200 m backstroke; 2000 Helsinki SWI gold: 200 m backstroke; 2002 Berlin SWI gold: 200 m backstroke; 2008 Eindhoven SWI silver: 4×100 m medley relay
Gunvor Kraft-Borup (DNS)	DEN	SWI	1948	1–0–0 1938 London SWI gold: 4×100 m freestyle relay (competed as Gunvor Kraft)
Serhiy Krasiuk	URS	SWI	1980	3–0–1 1981 Split SWI gold: 4×100 m freestyle relay and 4×100 m medley relay, bronze: 100 m freestyle; 1983 Roma SWI gold: 4×100 m freestyle relay
Jakub Kraska	POL	SWI	2018	0–0–1 2018 Glasgow SWI bronze: 4×100 m freestyle relay
Hanna Krasnoshlyk	UKR	DIV	2014—2016	0–1–0 2016 London DIV silver: synchronized platform
Aleksandr Krasnykh	RUS	SWI	2016	0–1–0 2014 Berlin SWI silver: 4×200 m freestyle relay
Angelika Kraus	FRG	SWI	1968—1972	0–0–1 1970 Barcelona SWI bronze: 4×100 m medley relay
Michael Kraus	FRG	SWI	1976	3–1–0 1974 Wien SWI gold: 4×100 m medley relay (swam in heats only); 1977 Jönköping SWI gold: 200 m butterfly and 4×100 m medley relay, 4×200 m freestyle relay (swam in heats only)
Barbara Krause	GDR	SWI	1980	3–1–1 1977 Jönköping SWI gold: 100 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay, silver: 200 m freestyle, bronze: 400 m freestyle
Marek Krawczyk	POL	SWI	1996—2000	0–0–1 1997 Sevilla SWI bronze: 4×100 m medley relay
Wolfgang Kremer	GER FRG	SWI	1964—1968	0–1–0 1970 Barcelona SWI silver: 4×100 m freestyle relay (swam in heats only)
Vladimir Krivtsov	URS	SWI	1972	0–1–0 1974 Wien SWI silver: 4×100 m freestyle relay (swam in heats only)
Ľuboš Križko	SVK	SWI	2004—2008	0–0–1 2008 Eindhoven SWI bronze: 50 m backstroke
Hans Kroes	NED	SWI	1984—1988	0–0–1 1985 Sofia SWI bronze: 4×200 m freestyle relay
Ranomi Kromowidjojo	NED	SWI	2008—2016	4–4–1 2006 Budapest SWI silver: 4×100 m freestyle relay; 2008 Eindhoven SWI gold: 4×100 m freestyle relay; 2016 London SWI gold: 50 m freestyle, 4×100 m freestyle relay, and 4×100 m freestyle mixed relay, silver: 100 m freestyle; 2018 Glasgow SWI silver: 4×100 m freestyle relay and 4×100 m freestyle mixed relay, bronze: 50 m freestyle
Ron Kroon	NED	SWI	1960—1964	0–0–2 1962 Leipzig SWI bronze: 100 m freestyle and 4×100 m medley relay
Jens Kruppa	GER	SWI	2000—2004	0–1–1 1997 Sevilla SWI silver: 4×100 m medley relay; 2002 Berlin SWI bronze: 4×100 m medley relay
Ninel Krutova	URS	DIV	1952—1960	1–1–0 1958 Budapest DIV gold: 3 m springboard; 1962 Leipzig DIV silver: platform
Andrey Krylov	URS	SWI	1976—1980	1–2–2 1974 Wien SWI silver: 4×200 m freestyle relay, bronze: 400 m freestyle; 1977 Jönköping SWI gold: 4×200 m freestyle relay, silver: 200 m freestyle, bronze: 4×100 m freestyle relay
Christian Kubusch	GER	SWI	2008	0–1–0 2010 Budapest SWI silver: 800 m freestyle
Sławomir Kuczko	POL	SWI	2012	1–0–0 2006 Budapest SWI gold: 200 m breaststroke
Yury Kudinov	KAZ	SWI	2012	1–0–0 2002 Berlin SWI gold: 25 km (competed for Russia)
Patrick Kühl	GDR GER	SWI	1988—1992	0–2–1 1987 Strasbourg SWI bronze: 400 m medley (competed for East Germany); 1989 Bonn SWI silver: 400 m medley; 1991 Athina SWI silver: 400 m medley (competed for East Germany)
Michael Kühne	GER	DIV	1992—1996	1–0–0 1997 Sevilla DIV gold: synchronized platform
Vladislav Kulikov	RUS EUN	SWI	1992—1996	3–0–1 1991 Athina SWI gold: 100 m butterfly and 4×100 m medley relay (competed for the Soviet Union); 1997 Sevilla SWI gold: 4×100 m medley relay (competed for Russia); 1999 İstanbul SWI bronze: 4×100 m medley relay (competed for Russia)
Georgijs Kuļikovs	URS	SWI	1968—1972	2–4–2 1966 Utrecht SWI gold: 4×200 m freestyle relay (swam in heats only), silver: 4×100 m freestyle relay; 1970 Barcelona SWI gold: 4×100 m freestyle relay, silver: 4×200 m freestyle relay, bronze: 100 m freestyle and 200 m freestyle; 1974 Wien SWI silver: 4×100 m freestyle relay and 4×200 m freestyle relay
Yury Kunakov	RUS	DIV	2008	1–1–1 2006 Budapest DIV silver: synchronized springboard; 2008 Eindhoven DIV gold: synchronized springboard; 2010 Budapest DIV bronze: synchronized springboard
György Kunsági	HUN	SWI	1960	0–1–0 1958 Budapest SWI silver: 4×100 m medley relay
Stephan Kunzelmann	GER	SWI	2000—2004	1–1–0 2000 Helsinki SWI silver: 4×100 m freestyle relay; 2002 Berlin SWI gold: 4×100 m freestyle relay
Ursula Küper	GER	SWI	1960—1964	0–0–1 1962 Leipzig SWI bronze: 200 m breaststroke (competed for East Germany)
Ernst Küppers	GER	SWI	1928—1932	0–1–0 1934 Magdeburg SWI silver: 100 m backstroke
Vyacheslav Kurennoy	URS	WAP	1956—1960	0–0–1 1954 Torino SWI bronze: 4×200 m freestyle relay
Maria Kurjo	GER	DIV	2012—2016	1–2–3 2012 Eindhoven DIV bronze: platform; 2014 Berlin DIV silver: synchronized platform; 2016 London DIV gold: synchronized platform; 2018 Edinburgh DIV silver: Team Event, bronze: platform and synchronized platform
Cam Kurle	GBR	SWI	2016	1–0–0 2018 Glasgow SWI gold: 4×200 m freestyle relay (swam in heats only)
Walter Kusch	FRG	SWI	1972—1976	1–1–3 1970 Barcelona SWI bronze: 200 m breaststroke; 1974 Wien SWI gold: 4×100 m medley relay, silver: 100 m breaststroke; 1977 Jönköping SWI bronze: 100 m breaststroke and 200 m breaststroke
Olga Kuzhela	RUS	SWA	2008	3–0–0 2006 Budapest SYN gold: team Free, team Free Routine Combination; 2010 Budapest SYN gold: team Free Routine Combination
Dmitry Kuzmin	KGZ	SWI	2000	0–0–1 1999 İstanbul SWI bronze: 4×200 m freestyle relay (competed for Russia)
Valentin Kuzmin	URS	SWI	1960—1968	3–1–0 1962 Leipzig SWI gold: 200 m butterfly, silver: 4×100 m medley relay; 1966 Utrecht SWI gold: 200 m butterfly and 4×100 m medley relay
Svetlana Kuzmina	URS	SWI	1988	0–1–1 1985 Sofia SWI silver: 4×100 m medley relay; 1987 Strasbourg SWI bronze: 200 m breaststroke
Maksim Kuznetsov	RUS	SWI	2004	0–1–0 2004 Madrid SWI silver: 4×200 m freestyle relay
Viktor Kuznetsov	URS	SWI	1980	1–0–1 1981 Split SWI gold: 4×100 m medley relay, bronze: 100 m backstroke
Yevgeny Kuznetsov	RUS	DIV	2012—2016	4–3–3 2010 Budapest DIV bronze: 3 m springboard; 2012 Eindhoven DIV gold: synchronized springboard, silver: 1 m springboard; 2014 Berlin DIV gold: synchronized springboard, silver: 1 m springboard; 2016 London DIV gold: 3 m springboard, silver: synchronized springboard; 2018 Edinburgh DIV gold: synchronized springboard, bronze: 3 m springboard and Team Event
Nataliya Kuznetsova-Lobanova	URS	DIV	1964—1972	1–0–1 1962 Leipzig SWI bronze: 3 m springboard (competed as Nataliya Kuznetsova); 1966 Utrecht SWI gold: platform (competed as Nataliya Kuznetsova)
Illia Kvasha	UKR	DIV	2008—2016	5–1–5 2008 Eindhoven DIV gold: 1 m springboard, silver: 3 m springboard; 2010 Budapest DIV gold: 1 m springboard and synchronized springboard; 2012 Eindhoven DIV gold: 1 m springboard, bronze: synchronized springboard; 2014 Berlin DIV bronze: 3 m springboard and synchronized springboard; 2016 London DIV gold: 1 m springboard, bronze: 3 m springboard and synchronized springboard
Olha Kyrychenko	EUN	SWI	1992	0–0–1 1993 Sheffield SWI bronze: 4×100 m freestyle relay (competed for Russia)
Audrey Labeau	FRA	DIV	2008—2012	1–0–0 2012 Eindhoven DIV gold: Team Event
Camille Lacourt	FRA	SWI	2012—2016	5–0–0 2010 Budapest SWI gold: 50 m backstroke, 100 m backstroke, and 4×100 m medley relay; 2016 London SWI gold: 50 m backstroke and 100 m backstroke
Larisa Lăcusță	ROU	SWI	1996—2004	0–0–1 2004 Madrid SWI bronze: 4×200 m freestyle relay
Tineke Lagerberg	NED	SWI	1960	2–0–0 1958 Budapest SWI gold: 100 m butterfly and 4×100 m freestyle relay
Yevgeny Lagunov	RUS	SWI	2004—2012	3–5–0 2004 Madrid SWI silver: 4×100 m freestyle relay; 2006 Budapest SWI gold: 4×100 m medley relay (swam in heats only), silver: 4×100 m freestyle relay; 2008 Eindhoven SWI silver: 4×200 m freestyle relay; 2010 Budapest SWI gold: 4×100 m freestyle relay and 4×200 m freestyle relay (swam in heats only), silver: 100 m freestyle and 4×100 m medley relay
Gyöngyvér Lakos	HUN	SWI	1996—2000	0–1–0 1995 Wien SWI silver: 4×100 m medley relay
Giorgio Lalle	ITA	SWI	1976	0–1–0 1977 Jönköping SWI silver: 100 m breaststroke
Giorgio Lamberti	ITA	SWI	1988—1992	3–3–3 1987 Strasbourg SWI silver: 200 m freestyle; 1989 Bonn SWI gold: 100 m freestyle, 200 m freestyle, and 4×200 m freestyle relay, bronze: 4×100 m medley relay; 1991 Athina SWI silver: 200 m freestyle and 4×200 m freestyle relay, bronze: 100 m freestyle and 400 m freestyle
Hans Lampe	FRG	SWI	1972	1–0–0 1970 Barcelona SWI gold: 100 m butterfly
Oliver Lampe	GER	SWI	1996	1–0–0 1995 Wien SWI gold: 4×200 m freestyle relay
Werner Lampe	FRG	SWI	1972—1976	3–2–0 1970 Barcelona SWI gold: 4×200 m freestyle relay, silver: 1500 m freestyle; 1974 Wien SWI gold: 4×200 m freestyle relay; 1977 Jönköping SWI gold: 4×100 m freestyle relay (swam in heats only), silver: 4×200 m freestyle relay (swam in heats only)
Olga Landik	RUS	SWI	1996	0–1–0 1997 Sevilla SWI silver: 4×100 m medley relay
Christine Lang	FRG	SWA	1984	0–0–1 1983 Roma SYN bronze: team
Flori Lang	SUI	SWI	2008	0–1–0 2008 Eindhoven SWI silver: 50 m backstroke
Jutta Langenau	GER	SWI	1956	1–0–0 1954 Torino SWI gold: 100 m butterfly (competed for East Germany)
Sylvia Langer	GDR	SWI	1972	1–0–0 1970 Barcelona SWI gold: 4×100 m medley relay (swam in heats only)
Klaus Lanzarini	ITA	SWI	2000	1–0–0 2000 Helsinki SWI gold: 4×200 m freestyle relay (swam in heats only)
Christiane Lanzke	GER	DIV	1964	0–1–0 1962 Leipzig DIV silver: 3 m springboard (competed for East Germany)
Giulia Lapi	ITA	SWA	2008—2012	0–1–1 2008 Eindhoven SYN silver: duet, bronze: team Free
Katinka Larsen	GBR	DIV	1936	0–1–0 1934 Magdeburg DIV silver: 3 m springboard
Göran Larsson	SWE	SWI	1952	2–1–0 1950 Wien SWI gold: 100 m backstroke and 4×200 m freestyle relay, silver: 100 m freestyle
Gunnar Larsson	SWE	SWI	1968—1972	3–1–0 1970 Barcelona SWI gold: 400 m freestyle, 200 m medley, and 400 m medley, silver: 200 m freestyle
Karin Larsson	SWE	SWI	1956—1960	0–0–1 1958 Budapest SWI bronze: 4×100 m freestyle relay
Irina Lashko	AUS RUS URS EUN	DIV	1988—2004	2–6–0 1989 Bonn DIV gold: 1 m springboard (competed for the Soviet Union); 1991 Athina DIV gold: 3 m springboard, silver: 1 m springboard (competed for the Soviet Union); 1993 Sheffield DIV silver: 1 m springboard (competed for Russia); 1997 Sevilla DIV silver: 1 m springboard and synchronized springboard (competed for Russia); 1999 İstanbul DIV silver: 1 m springboard and 3 m springboard (competed for Russia)
Adrie Lasterie	NED	SWI	1964	3–0–0 1962 Leipzig SWI gold: 400 m freestyle, 400 m medley, and 4×100 m freestyle relay
Jack Laugher	GBR	DIV	2012—2016	3–2–0 2016 London DIV gold: synchronized springboard, silver: 3 m springboard; 2018 Edinburgh DIV gold: 1 m springboard and 3 m springboard, silver: synchronized springboard
Jenna Laukkanen	FIN	SWI	2012—2016	0–0–2 2016 London SWI bronze: 50 m breaststroke and 4×100 m medley relay
Arseniy Lavrentyev	POR	SWI	2008—2012	0–1–0 2012 Piombino SWI silver: 25 km
Vladimer Lavrinenk'o	URS	SWI	1952	0–0–1 1954 Torino SWI bronze: 1500 m freestyle
Mylène Lazare	FRA	SWI	2012	1–0–0 2008 Eindhoven SWI gold: 4×200 m freestyle relay
Roberto Lazzari	ITA	SWI	1960	0–1–1 1958 Budapest SWI silver: 200 m breaststroke, bronze: 4×100 m medley relay
Yannick Lebherz	GER	SWI	2012	1–0–0 2014 Berlin SWI gold: 4×200 m freestyle relay
Christophe Lebon	FRA	SWI	2008	0–0–1 2008 Eindhoven SWI bronze: 200 m butterfly
Roland Lee	GBR	SWI	1984—1992	0–1–0 1987 Strasbourg SWI silver: 4×100 m medley relay
Clément Lefert	FRA	SWI	2008—2012	1–0–1 2010 Budapest SWI gold: 4×100 m medley relay (swam in heats only), bronze: 4×200 m freestyle relay
Heinz-Günther Lehmann	GER	SWI	1952	1–0–1 1950 Wien SWI gold: 1500 m freestyle, bronze: 400 m freestyle (competed for West Germany)
Lotte Lehmann	GER	SWI	1928	0–0–2 1927 Bologna SWI bronze: 100 m freestyle and 4×100 m freestyle relay
David Leigh	GBR	SWI	1976	0–0–2 1974 Wien SWI bronze: 100 m breaststroke and 200 m breaststroke
František Leikert	TCH	DIV	1936	0–1–1 1934 Magdeburg DIV silver: platform, bronze: 3 m springboard
Bobby Leivers	GBR	SWI	1932—1936	0–1–1 1938 London silver: 1500 m freestyle; 1938 London bronze: 4×200 m freestyle relay
Thomas Lejdström	SWE	SWI	1980—1984	0–1–2 1981 Split SWI bronze: 200 m freestyle and 4×200 m freestyle relay; 1983 Roma SWI silver: 4×100 m freestyle relay
Tina Lek'veishvili	URS	SWI	1968—1972	1–1–1 1970 Barcelona SWI gold: 100 m backstroke, silver: 4×100 m medley relay, bronze: 200 m backstroke
Ingrid Lempereur	BEL	SWI	1984—1988	0–1–0 1987 Strasbourg SWI silver: 200 m breaststroke
Árpád Lengyel	HUN	SWI	1936	1–0–1 1934 Magdeburg SWI gold: 4×200 m freestyle relay; 1938 London SWI bronze: 100 m backstroke
Imre Lengyel	HUN	DIV	1996—2000	0–3–0 1999 İstanbul DIV silver: 3 m springboard; 2002 Berlin DIV silver: platform and synchronized platform
Ferenc Lenkei	HUN	SWI	1964	0–0–1 1966 Utrecht SWI bronze: 4×100 m medley relay
Magda Lenkei	HUN	SWI	1936	0–0–1 1931 Paris SWI bronze: 4×100 m freestyle relay
Luca Leonardi	ITA	SWI	2016	1–3–2 2012 Debrecen SWI silver: 4×100 m freestyle relay (swam in heats only); 2014 Berlin SWI gold: 4×100 m freestyle mixed relay, bronze: 100 m freestyle and 4×100 m freestyle relay; 2016 London SWI silver: 4×100 m freestyle relay and 4×100 m freestyle mixed relay (swam in heats only)
Olha Leonova	UKR	DIV	2004	0–1–2 2000 Helsinki DIV bronze: synchronized platform; 2002 Berlin DIV silver: synchronized platform, bronze: platform
Maurice Lepage	FRA	DIV	1928	0–1–0 1931 Paris DIV silver: 3 m springboard
Dmitry Lepikov	EUN	SWI	1992	2–0–0 1991 Athina SWI gold: 4×200 m freestyle relay (competed for the Soviet Union); 1993 Sheffield SWI gold: 4×200 m freestyle relay (competed for Russia)
Fantine Lesaffre	FRA	SWI	2016	1–0–0 2018 Glasgow SWI gold: 400 m medley
Svetlana Leshukova	RUS EUN	SWI	1992—1996	0–0–2 1993 Sheffield SWI bronze: 4×100 m freestyle relay (competed for Russia); 1997 Sevilla SWI bronze: 4×100 m freestyle relay (competed for Russia)
Laura Letrari	ITA	SWI	2012	0–1–0 2016 London SWI silver: 4×100 m freestyle relay (swam in heats only)
Jirka Letzin	GER	SWI	2000	0–1–0 1995 Wien SWI silver: 100 m backstroke
Fredrik Letzler	SWE	SWI	1992—1996	0–1–1 1993 Sheffield SWI silver: 4×100 m freestyle relay; 1995 Wien SWI bronze: 4×100 m freestyle relay
Amaury Leveaux	FRA	SWI	2004—2012	1–5–3 2004 Madrid SWI silver: 4×100 m medley relay (swam in heats only), bronze: 4×100 m freestyle relay and 4×200 m freestyle relay; 2006 Budapest SWI silver: 100 m butterfly, bronze: 4×100 m freestyle relay; 2008 Eindhoven SWI silver: 200 m freestyle; 2010 Budapest SWI silver: 4×100 m freestyle relay (swam in heats only); 2012 Debrecen SWI gold: 4×100 m freestyle relay, silver: 200 m freestyle
Céline Lévêque (DNS)	FRA	SWA	1996	1–5–0 1989 Bonn SYN gold: team; 1991 Athina SYN silver: duet and team; 1993 Sheffield SYN silver: duet and team; 1995 Wien SYN silver: team
Christian Lietzmann	GDR	SWI	1972	0–2–0 1974 Wien SWI silver: 200 m medley and 400 m medley
Myriam Lignot	FRA	SWA	1996—2000	1–9–1 1989 Bonn SYN gold: team; 1991 Athina SYN silver: team; 1993 Sheffield SYN silver: team; 1995 Wien SYN silver: duet and team; 1997 Sevilla SYN silver: duet and team; 1999 İstanbul SYN silver: duet and team; 2000 Helsinki SYN silver: duet, bronze: team
Bastiaan Lijesen	NED	SWI	2012	0–1–1 2010 Budapest SWI bronze: 4×100 m medley relay (swam in heats only); 2014 Berlin SWI silver: 4×100 m medley mixed relay
Robert Lijesen	NED	SWI	2008	0–0–1 2008 Eindhoven SWI bronze: 4×100 m freestyle relay
Ann-Charlotte Lilja	SWE	SWI	1964	0–1–0 1966 Utrecht SWI silver: 4×100 m freestyle relay
Josefin Lillhage	SWE	SWI	1996—2008	1–6–5 1997 Sevilla SWI silver: 4×100 m freestyle relay and 4×200 m freestyle relay; 1999 İstanbul SWI silver: 4×100 m freestyle relay and 4×200 m freestyle relay; 2000 Helsinki SWI gold: 4×100 m freestyle relay (swam in heats only); 2002 Berlin SWI silver: 4×100 m freestyle relay and 4×100 m medley relay (swam in heats only), bronze: 4×200 m freestyle relay; 2004 Madrid SWI bronze: 200 m freestyle and 4×100 m freestyle relay; 2008 Eindhoven SWI bronze: 4×100 m freestyle relay; 2010 Budapest SWI bronze: 4×100 m freestyle relay
Anna Lindberg	SWE	DIV	1996—2012	5–1–2 1997 Sevilla DIV bronze: 3 m springboard; 2000 Helsinki DIV bronze: 3 m springboard; 2006 Budapest DIV gold: 1 m springboard and 3 m springboard; 2008 Eindhoven SWI gold: 1 m springboard; 2010 Budapest SWI silver: 1 m springboard; 2012 Eindhoven SWI gold: 1 m springboard and 3 m springboard
Per-Ola Lindberg	SWE	SWI	1960—1964	1–1–1 1962 Leipzig SWI gold: 4×200 m freestyle relay, silver: 100 m freestyle, bronze: 4×100 m freestyle relay
Ida Lindborg	SWE	SWI	2010—2016	0–1–1 2014 Berlin SWI silver: 4×100 m medley relay; 2016 London SWI bronze: 4×100 m freestyle relay
Edmund Lindmark	SWE	DIV/GYM	1920—1928	0–1–0 1927 Bologna DIV silver: 3 m springboard
Dörte Lindner	GER	DIV	2000	0–3–1 1995 Wien DIV silver: 1 m springboard; 1997 Sevilla DIV bronze: 1 m springboard; 2000 Helsinki DIV silver: 3 m springboard and synchronized springboard
Helga Lindner	GDR	SWI	1968—1972	2–1–0 1970 Barcelona SWI gold: 200 m butterfly and 4×100 m medley relay, silver: 100 m butterfly
Karla Linke	GDR	SWI	1976	2–0–0 1974 Wien SWI gold: 200 m breaststroke and 4×100 m medley relay (swam in heats only)
Marie-Louise Linssen-Vaessen	NED	SWI	1948—1952	1–2–0 1947 Monte Carlo SWI silver: 4×100 m freestyle relay (competed as Marie–Louise Vaessen); 1950 Wien SWI gold: 4×100 m freestyle relay, silver: 100 m freestyle (competed as Marie–Louise Vaessen)
Silke Lippok	GER	SWI	2012	2–2–1 2010 Budapest SWI gold: 4×100 m freestyle relay, silver: 200 m freestyle, bronze: 4×100 m medley relay; 2012 Debrecen SWI gold: 4×100 m freestyle relay, silver: 200 m freestyle
Oleh Lisohor	UKR	SWI	2000—2008	7–3–3 1999 İstanbul SWI silver: 50 m breaststroke; 2000 Helsinki SWI silver: 50 m breaststroke, bronze: 4×100 m medley relay; 2002 Berlin SWI gold: 50 m breaststroke and 100 m breaststroke; 2004 Madrid SWI gold: 50 m breaststroke, 100 m breaststroke, and 4×100 m medley relay; 2006 Budapest SWI gold: 50 m breaststroke, silver: 4×100 m medley relay, bronze: 100 m breaststroke; 2008 Eindhoven SWI gold: 50 m breaststroke, bronze: 100 m breaststroke
Max Litchfield	GBR	SWI	2016	0–1–1 2018 Glasgow SWI silver: 400 m medley, bronze: 200 m medley
Mária Littomeritzky	HUN	SWI	1948—1956	0–1–0 1954 Torino SWI silver: 100 m butterfly
Ari-Pekka Liukkonen	FIN	SWI	2012—2016	0–0–1 2014 Berlin SWI bronze: 50 m freestyle
Hans Ljungberg	SWE	SWI	1968—1972	0–0–1 1970 Barcelona SWI bronze: 200 m medley
Elisabeth Ljunggren-Morris	SWE	SWI	1964—1968	0–0–1 1962 Leipzig SWI bronze: 400 m freestyle (competed as Elisabeth Ljunggren)
Nikita Lobintsev	RUS	SWI	2008—2016	2–4–1 2008 Eindhoven SWI silver: 4×200 m freestyle relay, bronze: 400 m freestyle; 2010 Budapest SWI gold: 4×100 m freestyle relay and 4×200 m freestyle relay, silver: 200 m freestyle; 2014 Berlin SWI silver: 4×100 m freestyle relay and 4×200 m freestyle relay (swam in heats only)
Marina Lobova (DNS)	RUS	SWA	1996	1–0–0 1995 Wien SYN gold: team (competed in technical prelim only)
Artyom Lobuzov	RUS	SWI	2012	0–1–0 2014 Berlin SWI silver: 4×200 m freestyle relay
Sven Lodziewski	GDR	SWI	1988	2–5–2 1983 Roma SWI silver: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay; 1985 Sofia SWI silver: 200 m freestyle, 400 m freestyle, and 4×100 m freestyle relay; 1987 Strasbourg SWI gold: 100 m freestyle and 4×100 m freestyle relay, silver: 4×200 m freestyle relay, bronze: 4×100 m medley relay
Birgit Lohberg-Schulz	FRG	SWI	1988	0–0–2 1987 Strasbourg SWI bronze: 4×200 m freestyle relay; 1989 Bonn SWI bronze: 4×100 m freestyle relay
Anita Lonsbrough	GBR	SWI	1960—1964	1–2–2 1958 Budapest SWI silver: 200 m breaststroke, bronze: 4×100 m medley relay; 1962 Leipzig SWI gold: 200 m breaststroke, silver: 400 m medley, bronze: 4×100 m medley relay
Laura López	ESP	SWA	2008	1–2–0 2006 Budapest SYN silver: team Free and team Free Routine Combination; 2008 Eindhoven SYN gold: team Free Routine Combination
Sergio López	ESP	SWI	1988—1992	0–0–1 1991 Athina SWI bronze: 200 m breaststroke
David López-Zubero	ESP	SWI	1976—1984	0–1–0 1983 Roma SWI silver: 100 m butterfly
Martín López-Zubero	ESP	SWI	1988—1996	5–2–0 1989 Bonn SWI gold: 100 m backstroke; 1991 Athina SWI gold: 100 m backstroke and 200 m backstroke, silver: 100 m butterfly; 1993 Sheffield SWI gold: 100 m backstroke, silver: 200 m backstroke; 1997 Sevilla SWI gold: 100 m backstroke
Davide Lorenzini	ITA	DIV	1992—1996	0–0–1 1991 Athina DIV bronze: 3 m springboard
Jemma Lowe	GBR	SWI	2008—2012	3–0–1 2008 Eindhoven SWI gold: 4×100 m medley relay; 2010 Budapest SWI gold: 4×100 m medley relay (swam in heats only); 2014 Berlin SWI gold: 4×100 m medley mixed relay, bronze: 4×100 m medley relay
Fritzi Löwy	AUT	SWI	1928	0–0–1 1927 Bologna SWI bronze: 400 m freestyle
Hans Luber	GER	DIV	1912	2–0–0 1926 Budapest DIV gold: platform; 1927 Bologna DIV gold: platform
Alessia Lucchini	ITA	SWA	2000	0–1–3 1997 Sevilla SYN bronze: team; 1999 İstanbul SYN bronze: duet (competed in technical prelim only) and team; 2000 Helsinki SYN silver: team
Alexander Lüderitz	GER	SWI	1996	0–2–0 1997 Sevilla SWI silver: 4×100 m freestyle relay; 2000 Helsinki SWI silver: 4×100 m freestyle relay (swam in heats only)
Linda Ludgrove	GBR	SWI	1964	0–1–2 1962 Leipzig SWI bronze: 4×100 m medley relay; 1966 Utrecht SWI silver: 100 m backstroke, bronze: 4×100 m medley relay
Stefanie Luiken	NED	SWI	2004	0–0–1 2004 Madrid SWI bronze: 4×100 m medley relay
Igor Lukashin	RUS	DIV	2000	1–2–1 1997 Sevilla DIV silver: synchronized platform; 1999 İstanbul DIV silver: synchronized platform; 2000 Helsinki DIV gold: synchronized platform, bronze: platform
Eskil Lundahl	SWE	ART/SWI	1928—1948	1–1–2 1926 Budapest SWI bronze: 100 m backstroke and 4×200 m freestyle relay; 1927 Bologna SWI gold: 100 m backstroke, silver: 4×200 m freestyle relay
Gunilla Lundberg	SWE	SWI	1976	0–0–1 1974 Wien SWI bronze: 4×100 m medley relay
Martin Lundén	SWE	SWI	1948	1–0–0 1947 Monte Carlo SWI gold: 4×200 m freestyle relay
Jan Lundin	SWE	SWI	1964	0–0–3 1962 Leipzig SWI bronze: 4×100 m freestyle relay; 1966 Utrecht SWI bronze: 4×100 m freestyle relay and 4×200 m freestyle relay
Therèse Lundin	SWE	SWI	1992	0–1–1 1991 Athina SWI bronze: 100 m butterfly; 1993 Sheffield SWI silver: 4×200 m freestyle relay
Marianne Lundquist	SWE	SWI	1948—1952	0–0–1 1950 Wien SWI bronze: 4×100 m freestyle relay
Noëmi Lung	ROU	SWI	1988—1992	1–1–1 1987 Strasbourg SWI gold: 400 m medley, silver: 4×200 m freestyle relay, bronze: 200 m medley
Annika Lurz	GER	SWI	2008	2–1–0 2006 Budapest SWI gold: 4×100 m freestyle relay and 4×200 m freestyle relay, silver: 200 m freestyle (competed as Annika Liebs)
Thomas Lurz	GER	SWI	2004—2012	5–2–5 2002 Berlin SWI silver: 5 km; 2006 Budapest SWI gold: 5 km and 10 km; 2008 Dubrovnik SWI gold: 10 km, bronze: 5 km and 5 km team; 2010 Budapest SWI gold: 10 km; 2011 Eilat SWI gold: 10 km; 2012 Piombino SWI bronze: 5 km team; 2014 Berlin SWI silver: 10 km, bronze: 5 km and 5 km team
Maurice Lusien	FRA	SWI	1948—1952	0–1–0 1950 Wien SWI silver: 200 m breaststroke
Hrafnhildur Lúthersdóttir	ISL	SWI	2012—2016	0–2–1 2016 London SWI silver: 50 m breaststroke and 100 m breaststroke, bronze: 200 m breaststroke
Remo Lütolf	SUI	SWI	2000—2004	0–0–1 2000 Helsinki SWI bronze: 50 m breaststroke
Igor Luzhkovsky	URS	SWI	1960	1–0–0 1958 Budapest SWI gold: 4×200 m freestyle relay
Marianna Lymberta	GRE	SWI	2000—2012	0–0–1 2010 Budapest SWI bronze: 5 km
Dmytro Lysenko	UKR	DIV	2000—2004	0–0–2 2004 Madrid DIV bronze: synchronized springboard; 2008 Eindhoven DIV bronze: synchronized springboard
Sofiya Lyskun	UKR	DIV	2018	1–0–0 2018 Glasgow DIV gold: team
Annelies Maas	NED	SWI	1976—1980	0–3–1 1977 Jönköping SWI silver: 400 m freestyle, 800 m freestyle, and 4×100 m freestyle relay, bronze: 200 m freestyle
Csilla Madarász-Dobay	HUN	SWI	1960—1964	0–0–1 1962 Leipzig SWI bronze: 4×100 m freestyle relay (competed as Csilla Madarász)
Stefaan Maene	BEL	SWI	1992	0–0–1 1995 Wien SWI bronze: 100 m backstroke
Riccardo Maestri	ITA	SWI	2012	0–1–0 2012 Debrecen SWI silver: 4×200 m freestyle relay
Gianluca Maglia	ITA	SWI	2012	0–2–0 2012 Debrecen SWI silver: 4×100 m freestyle relay (swam in heats only) and 4×200 m freestyle relay
Filippo Magnini	ITA	SWI	2004—2016	9–5–5 2004 Madrid SWI gold: 100 m freestyle, 4×100 m freestyle relay, and 4×200 m freestyle relay; 2004 Madrid SWI bronze: 200 m freestyle; 2006 Budapest SWI gold: 100 m freestyle, 4×100 m freestyle relay, and 4×200 m freestyle relay, bronze: 200 m freestyle; 2008 Eindhoven SWI gold: 4×200 m freestyle relay, silver: 4×100 m freestyle relay, bronze: 100 m freestyle; 2012 Debrecen SWI gold: 100 m freestyle and 4×100 m medley relay, silver: 4×100 m freestyle relay and 4×200 m freestyle relay; 2014 Berlin SWI bronze: 4×100 m freestyle relay; 2016 London SWI silver: 4×100 m freestyle relay and 4×100 m freestyle mixed relay, bronze: 4×200 m freestyle relay
Per-Alvar Magnusson	SWE	SWI	1980	0–1–1 1981 Split SWI bronze: 4×200 m freestyle relay; 1983 Roma SWI silver: 4×100 m medley relay (swam in heats only)
László Magyar	HUN	SWI	1956	0–2–0 1954 Torino SWI silver: 100 m backstroke; 1958 Budapest SWI silver: 4×100 m medley relay
Winfried Mahraun	GER	DIV	1936	0–1–0 1934 Magdeburg DIV silver: 3 m springboard
Igor Majcen	SLO YUG	SWI	1988—1996	1–0–1 1989 Stari Grad SWI gold: 5 km (competed for Yugoslavia); 1993 Sheffield SWI bronze: 1500 m freestyle (competed for Slovenia)
Nače Majčen	SLO	SWI	1992	1–0–0 1989 Stari Grad SWI gold: 21 km (competed for Yugoslavia)
Kacper Majchrzak	POL	SWI	2012—2016	0–0–1 2018 Glasgow SWI bronze: 4×100 m freestyle relay
Jaroslav Makohin	CZE	DIV	2000	0–1–0 1997 Sevilla DIV silver: platform
Evanthia Makrygianni	GRE	SWA	2008	0–0–2 2004 Madrid SYN bronze: team Free Routine Combination; 2006 Budapest SYN bronze: duet
Gana Maksimova	RUS	SWA	1996	3–1–0 1989 Bonn SYN silver: team (competed for the Soviet Union); 1991 Athina SYN gold: team (competed for the Soviet Union); 1993 Sheffield SYN gold: team; 1995 Wien SYN gold: team
Daniel Málek	CZE	SWI	1996—2004	0–0–2 1997 Sevilla SWI bronze: 100 m breaststroke and 200 m breaststroke
Marcin Maliński	POL	SWI	1992—1996	0–1–0 1995 Wien SWI silver: 400 m medley
Grégory Mallet	FRA	SWI	2008—2016	1–1–2 2006 Budapest SWI bronze: 4×100 m freestyle relay; 2014 Berlin SWI gold: 4×100 m freestyle relay (swam in heats only), silver: 4×100 m medley relay (swam in heats only), bronze: 4×100 m freestyle mixed relay
Hans Malmström	DEN	SWI	1936	0–0–1 1934 Magdeburg SWI bronze: 200 m breaststroke
Andrei Mamontou	BLR	DIV	2004	0–0–1 2002 Berlin DIV bronze: synchronized platform
Isabelle Manable (DNS)	FRA	SWA	1996	0–4–0 1991 Athina SYN silver: team; 1993 Sheffield SYN silver: team; 1995 Wien SYN silver: team; 1997 Sevilla SYN silver: team
Florent Manaudou	FRA	SWI	2012—2016	6–1–0 2014 Berlin SWI gold: 50 m freestyle, 100 m freestyle, 50 m butterfly, and 4×100 m freestyle relay; 2016 London SWI gold: 50 m freestyle and 4×100 m freestyle relay, silver: 4×100 m medley relay
Laure Manaudou	FRA	SWI	2004—2012	9–1–3 2004 Madrid SWI gold: 400 m freestyle, 100 m backstroke, and 4×100 m medley relay; 2006 Budapest SWI gold: 400 m freestyle, 800 m freestyle, 100 m backstroke, and 200 m medley, bronze: 200 m freestyle, 4×200 m freestyle relay, and 4×100 m medley relay; 2008 Eindhoven SWI gold: 200 m backstroke and 4×200 m freestyle relay, silver: 100 m backstroke
Claude Mandonnaud	FRA	SWI	1968—1972	1–0–1 1966 Utrecht SWI gold: 400 m freestyle; 1974 Wien SWI bronze: 4×100 m freestyle relay
Dimitrios Manganas	GRE	SWI	1996—2004	0–0–1 2006 Budapest SWI bronze: 4×200 m freestyle relay
Peter Mankoč	SLO	SWI	1996—2012	0–1–0 2008 Eindhoven SWI silver: 100 m butterfly
Roxana Maracineanu	FRA	SWI	2000	1–1–2 1997 Sevilla SWI silver: 100 m backstroke, bronze: 200 m backstroke; 1999 İstanbul SWI gold: 200 m backstroke, bronze: 100 m backstroke
Christophe Marchand	FRA	SWI	1988—1992	0–0–1 1993 Sheffield SWI bronze: 4×200 m freestyle relay
Xavier Marchand	FRA	SWI	1996—2000	0–1–1 1997 Sevilla SWI silver: 200 m medley; 2000 Helsinki SWI bronze: 200 m medley
Louis Marchant	GBR	DIV	1948	0–0–1 1947 Monte Carlo DIV bronze: platform
Igor Marchenko	RUS	SWI	2000—2004	1–0–0 2002 Berlin SWI gold: 4×100 m medley relay
Maria Marconi	ITA	DIV	2000—2016	0–0–2 2002 Berlin DIV bronze: synchronized springboard; 2006 Budapest DIV bronze: 1 m springboard
Nicola Marconi	ITA	DIV	2000—2008	3–1–3 1997 Sevilla DIV bronze: synchronized springboard; 1999 İstanbul DIV gold: synchronized springboard; 2002 Berlin DIV gold: 1 m springboard, bronze: synchronized springboard; 2004 Madrid DIV gold: synchronized springboard, silver: 1 m springboard; 2006 Budapest DIV bronze: synchronized springboard
Tommaso Marconi	ITA	DIV	2004—2008	1–0–2 2002 Berlin DIV bronze: synchronized springboard; 2004 Madrid DIV gold: synchronized springboard; 2006 Budapest DIV bronze: synchronized springboard
Délphine Maréchal	FRA	SWA	1996	0–3–0 1991 Athina SYN silver: team; 1993 Sheffield SYN silver: team; 1997 Sevilla SYN silver: team
Ivette María	ESP	SWI	1996—2000	0–0–1 1995 Wien SWI bronze: 4×100 m medley relay
Luca Marin	ITA	SWI	2004—2016	0–3–0 2004 Madrid SWI silver: 400 m medley; 2006 Budapest SWI silver: 400 m medley; 2008 Eindhoven SWI silver: 400 m medley
Matjaž Markič	SLO	SWI	2008	0–0–2 2004 Madrid SWI bronze: 50 m breaststroke; 2006 Budapest SWI bronze: 50 m breaststroke
Aleksey Markovsky	URS	SWI	1980	5–0–1 1981 Split SWI gold: 100 m butterfly, 4×100 m freestyle relay, and 4×100 m medley relay; 1983 Roma SWI gold: 4×100 m freestyle relay and 4×100 m medley relay, bronze: 100 m butterfly
Valentina Marocchi	ITA	DIV	2004—2008	0–0–2 2004 Madrid DIV bronze: platform and synchronized platform
Melanie Marshall	GBR	SWI	2004—2008	1–1–1 2006 Budapest SWI gold: 4×100 m medley relay, bronze: 200 m backstroke; 2008 Eindhoven SWI silver: 4×200 m freestyle relay
Margot Marsman	NED	SWI	1948	0–1–0 1947 Monte Carlo SWI silver: 4×100 m freestyle relay
John Martin-Dye	GBR	SWI	1960—1964	0–1–0 1962 Leipzig SWI silver: 4×100 m freestyle relay
Yana Martynova	RUS	SWI	2004—2012	0–0–1 2008 Eindhoven SWI bronze: 400 m medley
Chiara Masini Luccetti	ITA	SWI	2016	1–0–0 2014 Berlin SWI gold: 4×200 m freestyle relay
Charlotte Massardier	FRA	SWA	1996—2000	0–5–1 1993 Sheffield SYN silver: team; 1995 Wien SYN silver: team; 1997 Sevilla SYN silver: duet (competed in technical prelim only) and team; 1999 İstanbul SYN silver: team; 2000 Helsinki SYN bronze: team
Lou Massenberg	GER	DIV	2018	1–1–0 2018 Glasgow DIV gold: synchronized springboard, silver: team
Rie Mastenbroek	NED	SWI	1936—1997	3–1–0 1934 Magdeburg SWI gold: 400 m freestyle, 100 m backstroke, and 4×100 m freestyle relay, silver: 100 m freestyle
Lothar Matthes	GDR	DIV	1968—1972	1–0–0 1970 Barcelona DIV gold: platform
Roland Matthes	GDR	SWI	1968—1976	5–2–3 1970 Barcelona SWI gold: 100 m backstroke, 200 m backstroke, and 4×100 m medley relay, silver: 100 m freestyle, bronze: 4×100 m freestyle relay and 4×200 m freestyle relay; 1974 Wien SWI gold: 100 m backstroke and 200 m backstroke, silver: 100 m butterfly, bronze: 4×100 m freestyle relay
Ida Mattsson-Marko-Varga	SWE	SWI	2004—2016	1–1–4 2000 Helsinki SWI gold: 4×100 m freestyle relay (swam in heats only) (competed as Ida Mattsson); 2002 Berlin SWI bronze: 4×200 m freestyle relay (competed as Ida Mattsson); 2004 Madrid SWI bronze: 4×100 m freestyle relay (swam in heats only) (competed as Ida Mattsson); 2008 Eindhoven SWI bronze: 4×100 m freestyle relay (competed as Ida Marko-Varga); 2012 Debrecen SWI silver: 4×100 m freestyle relay (competed as Ida Marko-Varga); 2016 London SWI bronze: 4×100 m freestyle relay (competed as Ida Marko-Varga)
Angela Maurer	GER	SWI	2008—2012	2–4–4 1999 İstanbul SWI silver: 25 km; 2002 Berlin SWI silver: 10 km; 2004 Madrid SWI bronze: 10 km; 2006 Budapest SWI gold: 10 km and 25 km; 2010 Budapest SWI silver: 25 km, bronze: 10 km; 2012 Piombino SWI silver: 10 km, bronze: 5 km team; 2014 Berlin SWI bronze: 25 km
Eve Maurer	URS	SWI	1960	0–1–0 1958 Budapest SWI silver: 4×100 m medley relay (competed as Eve Usmees)
Viktor Mazanov	URS	SWI	1964—1972	2–1–1 1966 Utrecht SWI gold: 4×100 m medley relay, silver: 4×100 m freestyle relay; 1970 Barcelona SWI gold: 4×100 m freestyle relay, bronze: 4×100 m medley relay (swam in heats only)
Raimundas Mažuolis	LTU URS	SWI	1988—1996	0–0–2 1989 Bonn SWI bronze: 100 m freestyle (competed for the Soviet Union); 1993 Sheffield SWI bronze: 50 m freestyle (competed for Lithuania)
Caitlin McClatchey	GBR	SWI	2004—2012	0–1–1 2006 Budapest SWI bronze: 400 m freestyle; 2008 Eindhoven SWI silver: 4×200 m freestyle relay
Jean McDowall	GBR	SWI	1928	0–1–0 1931 Paris SWI silver: 4×100 m freestyle relay
Bobby McGregor	GBR	SWI	1964—1968	1–1–0 1962 Leipzig SWI silver: 4×100 m freestyle relay; 1966 Utrecht SWI gold: 100 m freestyle
Sycerika McMahon	IRL	SWI	2012	0–1–0 2012 Debrecen SWI silver: 50 m breaststroke
Gavin Meadows	GBR	SWI	2004	1–1–0 1997 Sevilla SWI gold: 4×200 m freestyle relay; 1999 İstanbul SWI silver: 4×200 m freestyle relay
Chris Mears	GBR	DIV	2012—2016	1–1–0 2016 London DIV gold: synchronized springboard; 2018 Edinburgh DIV silver: synchronized springboard
Jolande van der Meer	NED	SWI	1984	0–1–1 1983 Roma SWI bronze: 4×200 m freestyle relay; 1985 Sofia SWI silver: 4×200 m freestyle relay
Maud van der Meer	NED	SWI	2016	2–1–0 2014 Berlin SWI silver: 4×100 m freestyle relay; 2016 London SWI gold: 4×100 m freestyle relay and 4×100 m freestyle mixed relay
Folkert Meeuw	FRG	SWI	1968—1976	3–2–1 1970 Barcelona SWI gold: 4×200 m freestyle relay, silver: 200 m butterfly and 4×100 m freestyle relay; 1974 Wien SWI gold: 4×200 m freestyle relay and 4×100 m medley relay, bronze: 100 m butterfly
Helge Meeuw	GER	SWI	2004—2012	1–2–0 2006 Budapest SWI gold: 50 m backstroke; 2012 Debrecen SWI silver: 100 m backstroke and 4×100 m medley relay
Annika Mehlhorn	GER	SWI	2004	0–1–1 2002 Berlin SWI bronze: 200 m butterfly; 2006 Budapest SWI silver: 4×100 m medley relay
Kersten Meier	FRG	SWI	1972	2–0–0 1974 Wien SWI gold: 4×100 m freestyle relay and 4×200 m freestyle relay (swam in heats only)
Rūta Meilutytė	LTU	SWI	2012—2016	2–1–0 2014 Berlin SWI gold: 50 m breaststroke; 2016 London SWI gold: 100 m breaststroke; 2018 Glasgow SWI silver: 100 m breaststroke
Katrin Meißner	GDR GER	SWI	1988—2000	8–4–1 1987 Strasbourg SWI gold: 4×100 m freestyle relay, silver: 50 m freestyle (competed for East Germany); 1989 Bonn SWI gold: 100 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay, bronze: 50 m freestyle (competed for East Germany); 1991 Athina SWI silver: 4×100 m freestyle relay and 4×100 m medley relay (competed for Germany); 1997 Sevilla SWI gold: 4×100 m freestyle relay and 4×100 m medley relay (competed for Germany); 1999 İstanbul SWI gold: 4×100 m freestyle relay, silver: 4×100 m medley relay (competed for Germany); 2002 Berlin SWI gold: 4×100 m freestyle relay (competed for Germany)
Manuela Melchiorri	ITA	SWI	1988—1992	0–0–2 1989 Bonn SWI bronze: 400 m freestyle and 4×200 m freestyle relay
Gemma Mengual	ESP	SWA	2000—2016	5–6–4 2000 Helsinki SYN bronze: solo and duet; 2002 Berlin SYN silver: duet and team, bronze: solo; 2004 Madrid SYN gold: team Free Routine Combination, silver: duet, bronze: solo; 2006 Budapest SYN silver: solo, duet, and team Free Routine Combination; 2008 Eindhoven SYN gold: solo, duet, team Free, and team Free Routine Combination
Jenny Mensing	GER	SWI	2012—2016	2–1–2 2010 Budapest SWI bronze: 100 m backstroke and 4×100 m medley relay; 2012 Debrecen SWI gold: 100 m backstroke and 4×100 m medley relay, silver: 200 m backstroke
Wieger Mensonides	NED	SWI	1960—1964	0–0–1 1962 Leipzig SWI bronze: 4×100 m medley relay
Roger-Philippe Menu	FRA	SWI	1972	0–2–0 1970 Barcelona SWI silver: 100 m breaststroke and 4×100 m medley relay
Emanuele Merisi	ITA	SWI	1992—2004	0–2–3 1993 Sheffield SWI bronze: 200 m backstroke; 1995 Wien SWI bronze: 4×200 m freestyle relay; 1997 Sevilla SWI silver: 200 m backstroke; 1999 İstanbul SWI bronze: 200 m backstroke; 2000 Helsinki SWI silver: 200 m backstroke
Nataliya Meshcheryakova	RUS EUN	SWI	1992—1996	1–2–2 1993 Sheffield SWI silver: 4×100 m medley relay, bronze: 4×100 m freestyle relay (competed for Russia); 1997 Sevilla SWI gold: 50 m freestyle, silver: 4×100 m medley relay, bronze: 4×100 m freestyle relay (competed for Russia)
Malia Metella	FRA	SWI	2004—2008	3–1–1 2004 Madrid SWI gold: 100 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay, silver: 100 m butterfly; 2006 Budapest SWI bronze: 4×100 m freestyle relay
Mehdy Metella	FRA	SWI	2010—2016	3–3–2 2012 Debrecen SWI gold: 4×100 m freestyle relay (swam in heats only); 2014 Berlin SWI gold: 4×100 m freestyle relay, silver: 4×100 m medley relay; 2016 London SWI silver: 4×100 m medley relay, bronze: 100 m butterfly; 2018 Glasgow SWI gold: 4×100 m freestyle mixed relay, silver: 100 m butterfly, bronze: 100 m freestyle
Caren Metschuck	GDR	SWI	1980	3–0–0 1981 Split SWI gold: 100 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay
Heiko Meyer	GER	DIV	2000—2004	2–6–1 1997 Sevilla DIV bronze: platform; 1999 İstanbul DIV gold: synchronized platform, silver: platform; 2000 Helsinki DIV silver: platform; 2002 Berlin DIV gold: platform; 2004 Madrid DIV silver: platform and synchronized platform; 2006 Budapest DIV silver: platform and synchronized platform
William Meynard	FRA	SWI	2016	2–1–1 2010 Budapest SWI gold: 4×100 m medley relay (swam in heats only), silver: 4×100 m freestyle relay, bronze: 100 m freestyle; 2016 London SWI gold: 4×100 m freestyle relay
Clément Mignon	FRA	SWI	2016	2–0–3 2014 Berlin SWI gold: 4×100 m freestyle relay (swam in heats only), bronze: 4×100 m freestyle mixed relay; 2016 London SWI gold: 4×100 m freestyle relay, bronze: 100 m freestyle and 4×100 m freestyle mixed relay
Nataliya Mikhaylova	URS	SWI	1964	0–1–0 1966 Utrecht SWI silver: 4×100 m medley relay
Vladimir Mikheyev	URS	SWI	1976	0–1–0 1974 Wien SWI silver: 4×200 m freestyle relay (swam in heats only)
Kristóf Milák	HUN	SWI	2018	1–0–0 2018 Glasgow SWI gold: 200 m butterfly
Hannah Miley	GBR	SWI	2008—2016	1–1–4 2010 Budapest SWI gold: 400 m medley, bronze: 200 m medley and 4×200 m freestyle relay; 2016 London SWI silver: 400 m medley, bronze: 200 m medley; 2018 Glasgow SWI bronze: 400 m medley
Kostiantyn Miliaiev	UKR	DIV	2008	0–0–1 2006 Budapest DIV bronze: platform
John Mills	GBR	SWI	1972—1976	0–0–2 1977 Jönköping SWI bronze: 100 m butterfly and 4×100 m medley relay
Stephen Milne	GBR	SWI	2016	2–0–1 2014 Berlin SWI gold: 4×100 m medley relay (swam in heats only); 2018 Glasgow SWI gold: 4×200 m freestyle relay (swam in heats only), bronze: 4×200 m freestyle mixed relay
Miloš Milošević	CRO	SWI	1996—2000	0–1–1 1993 Sheffield SWI bronze: 100 m butterfly; 1999 İstanbul SWI silver: 50 m butterfly
Hanna Miluska	SUI	SWI	2004	0–1–0 2002 Berlin SWI silver: 5 km
Gianni Minervini	ITA	SWI	1984—1992	0–0–4 1985 Sofia SWI bronze: 4×100 m medley relay; 1987 Strasbourg SWI bronze: 100 m breaststroke; 1989 Bonn SWI bronze: 4×100 m medley relay; 1991 Athina SWI bronze: 100 m breaststroke
Viktor Minibayev	RUS	DIV	2012—2016	4–4–0 2010 Budapest DIV silver: synchronized platform; 2012 Eindhoven DIV silver: platform and synchronized platform; 2014 Berlin DIV gold: platform and Team Event; 2016 London DIV gold: Team Event, silver: platform; 2018 Edinburgh DIV gold: synchronized platform
Christian Minotti	ITA	SWI	2000—2004	0–1–0 2002 Berlin SWI silver: 1500 m freestyle
Donald Miranda	ITA	DIV	2000	1–0–1 1997 Sevilla DIV bronze: synchronized springboard; 1999 İstanbul DIV gold: synchronized springboard
Yelena Miroshina	URS EUN	DIV	1988—1992	2–0–0 1987 Strasbourg DIV gold: platform (competed for the Soviet Union); 1991 Athina DIV gold: platform (competed for the Soviet Union)
Arsens Miskarovs	URS	SWI	1980	0–3–0 1977 Jönköping SWI silver: 200 m breaststroke; 1981 Split SWI silver: 100 m breaststroke and 200 m breaststroke
György Mitró	HUN	SWI	1948	1–1–1 1947 Monte Carlo SWI gold: 1500 m freestyle, silver: 400 m freestyle, bronze: 4×200 m freestyle relay
Alice Mizzau	ITA	SWI	2012—2016	2–1–2 2012 Debrecen SWI gold: 4×200 m freestyle relay, silver: 4×100 m medley relay, bronze: 4×100 m freestyle relay; 2014 Berlin SWI gold: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay
Diana Mocanu	ROU	SWI	2000	0–3–2 1999 İstanbul SWI bronze: 100 m butterfly; 2000 Helsinki SWI silver: 50 m backstroke, 100 m backstroke, and 200 m backstroke, bronze: 4×100 m medley relay
Anke Möhring	GDR	SWI	1988	5–1–1 1985 Sofia SWI silver: 400 m freestyle, bronze: 800 m freestyle; 1987 Strasbourg SWI gold: 800 m freestyle and 4×200 m freestyle relay; 1989 Bonn SWI gold: 400 m freestyle, 800 m freestyle, and 4×200 m freestyle relay
Aurore Mongel	FRA	SWI	2004—2008	3–0–3 2004 Madrid SWI gold: 4×100 m freestyle relay and 4×100 m medley relay; 2006 Budapest SWI bronze: 4×100 m freestyle relay and bronze: 4×200 m freestyle relay; 2008 Eindhoven SWI gold: 200 m butterfly, bronze: 100 m butterfly
Ana Montero	ESP	SWA	2004	1–2–0 2002 Berlin SYN silver: team; 2004 Madrid SYN gold: team Free Routine Combination, silver: team Free
Irene Montrucchio (DNS)	ESP	SWA	2012	2–1–0 2010 Budapest SYN silver: team Free Routine Combination; 2012 Eindhoven SYN gold: team Free and team Free Routine Combination
Guy Montserret	FRA	SWI	1956	0–1–0 1954 Torino SWI silver: 4×200 m freestyle relay
Jaime Monzo	ESP	SWI	1968	0–1–0 1966 Utrecht SWI silver: 200 m backstroke
Adrian Moorhouse	GBR	SWI	1984—1992	4–3–2 1981 Split SWI bronze: 200 m breaststroke; 1983 Roma SWI gold: 200 m breaststroke, silver: 100 m breaststroke; 1985 Sofia SWI gold: 100 m breaststroke; 1987 Strasbourg SWI gold: 100 m breaststroke, silver: 4×100 m medley relay, bronze: 200 m breaststroke; 1989 Bonn SWI gold: 100 m breaststroke; 1991 Athina SWI silver: 100 m breaststroke
Ivanka Moralieva	BUL	SWI	2000—2004	0–0–1 2004 Madrid SWI bronze: 25 km
Martina Moravcová	TCH SVK	SWI	1992—2008	3–10–1 1993 Sheffield SWI silver: 100 m freestyle (competed for Slovakia); 1997 Sevilla SWI silver: 100 m freestyle, 100 m butterfly, and 200 m medley (competed for Slovakia); 2000 Helsinki SWI gold: 100 m butterfly, silver: 100 m freestyle and 200 m freestyle, bronze: 50 m butterfly (competed for Slovakia); 2002 Berlin SWI gold: 100 m butterfly, silver: 50 m freestyle and 100 m freestyle (competed for Slovakia); 2004 Madrid SWI gold: 100 m butterfly, silver: 50 m butterfly (competed for Slovakia); 2006 Budapest SWI silver: 100 m butterfly (competed for Slovakia)
Mady Moreau	FRA	DIV	1948—1952	2–0–0 1947 Monte Carlo DIV gold: 3 m springboard; 1950 Wien DIV gold: 3 m springboard
Bob Morgan	GBR	DIV	1984—1996	0–1–1 1991 Athina DIV bronze: platform; 1993 Sheffield DIV silver: platform
Gerald Mörken	FRG	SWI	1984	3–1–2 1977 Jönköping SWI gold: 100 m breaststroke, 200 m breaststroke, and 4×100 m medley relay; 1981 Split SWI bronze: 100 m breaststroke; 1983 Roma SWI silver: 4×100 m medley relay, bronze: 100 m breaststroke
Gisela Morón (DNS)	ESP	SWA	2008	2–3–0 2004 Madrid SYN gold: team Free Routine Combination, silver: team Free; 2006 Budapest SYN silver: team Free and team Free Routine Combination; 2008 Eindhoven SYN gold: team Free Routine Combination
Vladimir Morozov	RUS	SWI	2012—2016	2–4–1 2014 Berlin SWI gold: 50 m backstroke, silver: 4×100 m freestyle relay and 4×100 m freestyle mixed relay, bronze: 4×100 m medley mixed relay; 2018 Glasgow SWI gold: 4×100 m freestyle relay, silver: 4×100 m medley relay and 4×100 m medley mixed relay
Alain Mosconi	FRA	SWI	1968—1972	0–1–1 1966 Utrecht SWI bronze: 400 m freestyle; 1970 Barcelona SWI silver: 4×100 m medley relay
Kurt Mrkwicka	AUT	DIV	1960—1964	1–0–0 1962 Leipzig DIV gold: 3 m springboard
Camille Muffat	FRA	SWI	2008—2012	0–1–2 2006 Budapest SWI bronze: 4×100 m freestyle relay (swam in heats only); 2008 Eindhoven SWI bronze: 200 m medley; 2010 Budapest SWI silver: 4×200 m freestyle relay
Lotte Mühe	GER	SWI	1928	0–1–0 1927 Bologna SWI silver: 200 m breaststroke
Marianne Muis	NED	SWI	1988—1996	0–5–2 1987 Strasbourg SWI silver: 4×100 m freestyle relay; 1989 Bonn SWI silver: 200 m freestyle, 200 m medley, 4×100 m freestyle relay, and 4×200 m freestyle relay, bronze: 100 m freestyle and 4×100 m medley relay
Mildred Muis	NED	SWI	1988—1992	0–4–1 1985 Sofia SWI silver: 4×200 m freestyle relay; 1987 Strasbourg SWI silver: 4×100 m freestyle relay; 1989 Bonn SWI silver: 4×100 m freestyle relay and 4×200 m freestyle relay, bronze: 200 m medley
Yury Mukhin	EUN	SWI	1992	1–0–0 1993 Sheffield SWI gold: 4×200 m freestyle relay (competed for Russia)
Olha Mukomol	UKR	SWI	2000—2004	0–1–2 2000 Helsinki SWI bronze: 50 m freestyle; 2002 Berlin SWI bronze: 4×100 m medley relay; 2004 Madrid SWI silver: 4×100 m medley relay
Alfred Müller	GDR	SWI	1968	0–1–0 1966 Utrecht SWI silver: 4×200 m freestyle relay
Aurélie Muller	FRA	SWI	2008—2016	1–0–0 2016 Hoorn SWI gold: 10 km
György Müller	HUN	SWI	1960	0–0–1 1958 Budapest SWI bronze: 4×200 m freestyle relay
Arthur Mund	GER	DIV	1928	1–0–0 1926 Budapest DIV gold: 3 m springboard
Rafa Múñoz	ESP	SWI	2008	2–0–2 2008 Eindhoven SWI bronze: 50 m butterfly and 100 m butterfly; 2010 Budapest SWI gold: 50 m butterfly; 2012 Debrecen SWI gold: 50 m butterfly
Ross Murdoch	GBR	SWI	2016	4–3–1 2014 Berlin SWI gold: 4×100 m medley relay (swam in heats only) and 4×100 m medley mixed relay (swam in heats only), silver: 100 m breaststroke and 200 m breaststroke; 2016 London SWI gold: 200 m breaststroke and 4×100 m medley relay (swam in heats only), silver: 100 m breaststroke, bronze: 50 m breaststroke
Gráinne Murphy	IRL	SWI	2012	0–1–0 2010 Budapest SWI silver: 1500 m freestyle
Ágnes Mutina	HUN	SWI	2004—2012	1–1–2 2008 Eindhoven SWI bronze: 200 m freestyle; 2010 Budapest SWI gold: 4×200 m freestyle relay, bronze: 200 m freestyle; 2012 Debrecen SWI silver: 4×200 m freestyle relay
Elsa N'Guessan	FRA	SWI	2004	0–1–0 2004 Madrid SWI silver: 4×200 m freestyle relay
Richard Nagy	SVK	SWI	2016	0–1–0 2016 London SWI silver: 400 m medley
Artem Nakache	FRA	SWI	1936—1948	0–1–0 1938 London SWI silver: 4×200 m freestyle relay
Rozaliya Nasretdinova	RUS	SWI	2014—2016	0–0–1 2018 Glasgow SWI bronze: 4×100 m freestyle mixed relay (swam in heats only)
Yevgeny Natsvin	RUS	SWI	2004	0–1–0 2004 Madrid SWI silver: 4×200 m freestyle relay
Sándor Németh	HUN	SWI	1948	0–1–0 1947 Monte Carlo SWI silver: 200 m breaststroke
Vladimir Nemshilov	URS	SWI	1968	0–0–2 1970 Barcelona SWI bronze: 100 m butterfly and 4×100 m medley relay
Margarita Nesterova	RUS	SWI	2012	0–1–0 2014 Berlin SWI silver: 4×100 m freestyle mixed relay
Alice Nesti	ITA	SWI	2012	1–0–1 2012 Debrecen SWI gold: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay (swam in heats only)
Robin Neumann	NED	SWI	2014—2016	0–0–1 2016 London SWI bronze: 4×200 m freestyle relay
Laurent Neuville	FRA	SWI	1984—1988	0–1–0 1989 Bonn SWI silver: 4×100 m freestyle relay
Gal Nevo	ISR	SWI	2008—2016	0–1–1 2010 Budapest SWI bronze: 400 m medley; 2016 London SWI silver: 200 m medley
Nery Mantey Niangkouara	GRE	SWI	2004—2012	0–0–3 2004 Madrid SWI bronze: 100 m freestyle; 2006 Budapest SWI bronze: 100 m freestyle; 2012 Debrecen SWI bronze: 50 m freestyle
Benny Nielsen	DEN	SWI	1988	0–2–1 1985 Sofia SWI silver: 200 m butterfly; 1987 Strasbourg SWI silver: 200 m butterfly, bronze: 100 m butterfly
Mette Nørskov Nielsen	DEN	SWI	1992—1996	0–0–1 1991 Athina SWI bronze: 4×100 m freestyle relay
Mie Ø. Nielsen	DEN	SWI	2012—2016	3–2–2 2014 Berlin SWI gold: 100 m backstroke and 4×100 m medley relay, bronze: 50 m backstroke; 2016 London SWI gold: 100 m backstroke, silver: 50 m backstroke; 2018 Glasgow SWI silver: 4×100 m medley relay, bronze: 4×100 m freestyle relay
Susanne Nielsson	DEN	SWI	1976—1980	0–1–0 1977 Jönköping SWI silver: 200 m breaststroke
Moniek Nijhuis	NED	SWI	2012	0–0–1 2014 Berlin SWI bronze: 50 m breaststroke
Boris Nik'it'ini	URS	SWI	1956—1960	1–1–0 1958 Budapest SWI gold: 4×200 m freestyle relay, silver: 400 m freestyle
Volodymyr Nikolaichuk	UKR	SWI	1996—2004	1–1–1 2000 Helsinki SWI silver: 100 m backstroke, bronze: 4×100 m medley relay; 2004 Madrid SWI gold: 4×100 m medley relay
Gennady Nikolayev	URS	SWI	1956—1960	1–0–0 1958 Budapest SWI gold: 4×200 m freestyle relay
Malin Nilsson	SWE	SWI	1992—1996	0–3–0 1993 Sheffield SWI silver: 4×100 m freestyle relay and 4×200 m freestyle relay; 1995 Wien SWI silver: 200 m freestyle
Suzanne Nilsson	SWE	SWI	1984—1988	0–0–1 1985 Sofia SWI bronze: 4×200 m freestyle relay
Ann-Margret Nirling	SWE	DIV	1936	0–1–0 1938 London DIV silver: platform
Carola Nitschke	GDR	SWI	1976	1–1–0 1977 Jönköping SWI gold: 4×100 m medley relay, silver: 100 m breaststroke
Sylvie Le Noach	FRA	SWI	1972—1976	0–0–1 1974 Wien SWI bronze: 4×100 m freestyle relay
Ute Noack	GER	SWI	1964	1–1–0 1962 Leipzig SWI gold: 4×100 m medley relay, silver: 100 m butterfly (competed for East Germany)
Peter Nocke	FRG	SWI	1976	9–1–0 1974 Wien SWI gold: 100 m freestyle, 200 m freestyle, 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay; 1977 Jönköping SWI gold: 100 m freestyle, 200 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay, silver: 4×200 m freestyle relay
Kathleen Nord	GDR	SWI	1988	5–1–2 1983 Roma SWI gold: 400 m medley, silver: 200 m medley; 1985 Sofia SWI gold: 200 m medley and 400 m medley; 1987 Strasbourg SWI gold: 200 m butterfly, bronze: 400 m medley; 1989 Bonn SWI gold: 200 m butterfly, bronze: 100 m butterfly
Inger Nordbø	NOR	DIV	1936—1948	0–0–2 1934 Magdeburg SWI bronze: 200 m breaststroke, DIV bronze: platform (competed as Inger Kragh)
Sara Nordenstam	NOR	SWI	2008—2012	1–1–0 2010 Budapest SWI silver: 200 m breaststroke; 2012 Debrecen SWI gold: 200 m breaststroke
Bengt Nordwall	SWE	SWI	1960—1964	0–0–1 1962 Leipzig SWI bronze: 4×100 m freestyle relay
Yevgeny Novikov	URS	SWI	1964	1–0–0 1966 Utrecht SWI gold: 4×200 m freestyle relay
Olga Novokshchenova	RUS	SWA	1996—2004	6–0–0 1993 Sheffield SYN gold: team; 1995 Wien SYN gold: team; 1997 Sevilla SYN gold: team; 1999 İstanbul SYN gold: team; 2000 Helsinki SYN gold: team; 2004 Madrid SYN gold: team Free
Letizia Nuzzo	ITA	SWA	1996	0–0–1 1997 Sevilla SYN bronze: team
Eva Nyberg	SWE	SWI	1988—1992	0–0–1 1985 Sofia SWI bronze: 4×200 m freestyle relay
Imre Nyéki	HUN	SWI	1948—1952	2–0–2 1947 Monte Carlo SWI bronze: 4×200 m freestyle relay; 1954 Torino SWI gold: 100 m freestyle and 4×200 m freestyle relay; 1958 Budapest SWI bronze: 4×200 m freestyle relay
Stefan Nystrand	SWE	SWI	2000—2012	1–7–3 2000 Helsinki SWI silver: 4×100 m medley relay; 2002 Berlin SWI silver: 4×100 m freestyle relay; 2004 Madrid SWI silver: 50 m freestyle; 2006 Budapest SWI silver: 100 m freestyle; 2008 Eindhoven SWI gold: 4×100 m freestyle relay, silver: 100 m freestyle, bronze: 50 m freestyle and 4×100 m medley relay; 2010 Budapest SWI silver: 50 m freestyle, bronze: 4×100 m freestyle relay; 2012 Debrecen SWI silver: 50 m freestyle
Siobhan-Marie O'Connor	GBR	SWI	2012—2016	2–1–1 2016 London SWI gold: 4×100 m medley relay and 4×100 m medley mixed relay, silver: 200 m medley; 2018 Glasgow SWI bronze: 4×100 m medley relay
Gary O'Toole	IRL	SWI	1988—1992	0–1–0 1989 Bonn SWI silver: 200 m breaststroke
Helge Öberg	SWE	DIV	1924—1928	0–1–0 1926 Budapest DIV silver: platform
Tjaša Oder	SLO	SWI	2012—2016	0–0–1 2016 London SWI bronze: 800 m freestyle
Alexander Dale Oen	NOR	SWI	2004—2008	2–4–0 2006 Budapest SWI silver: 100 m breaststroke; 2008 Eindhoven SWI gold: 100 m breaststroke, silver: 50 m breaststroke and 200 m breaststroke; 2010 Budapest SWI gold: 100 m breaststroke, silver: 200 m breaststroke
Mattias Ohlin	SWE	SWI	2000—2004	0–2–0 2000 Helsinki SWI silver: 4×100 m medley relay; 2002 Berlin SWI silver: 4×100 m freestyle relay
Mariya Ohurtsova	UKR	SWI	2000	0–0–1 2002 Berlin SWI bronze: 4×100 m medley relay (swam in heats only)
Thanasis Oikonomou	GRE	SWI	2000	0–0–1 2002 Berlin SWI bronze: 4×200 m freestyle relay
Anna Olasz	HUN	SWI	2010—2016	0–1–0 2014 Berlin SWI silver: 25 km
María Olay	ESP	SWI	1996	0–0–1 1995 Wien SWI bronze: 4×100 m medley relay
Marc-Antoine Olivier	FRA	SWI	2016	0–0–2 2016 Hoorn SWI bronze: 10 km; 2018 Loch Lomond SWI bronze: 5 km team
Ewa Olliwier	SWE	DIV	1920—1924	0–0–1 1927 Bologna DIV bronze: platform
Linda Olofsson	SWE	SWI	1992—1996	1–3–0 1993 Sheffield SWI silver: 50 m freestyle and 4×100 m freestyle relay; 1995 Wien SWI gold: 50 m freestyle, silver: 4×100 m freestyle relay
Gerda Olsen	DEN	SWI	1952	0–1–0 1950 Wien SWI silver: 4×100 m freestyle relay
Yevgeniya Olshevskaya	RUS	DIV	2000	1–1–1 1999 İstanbul DIV gold: synchronized platform; 2000 Helsinki DIV silver: synchronized platform; 2002 Berlin DIV bronze: synchronized platform
Diana Olsson	SWE	SWI	1972—1976	0–0–1 1974 Wien SWI bronze: 4×100 m medley relay
Per-Olof Olsson	SWE	SWI	1948	1–1–0 1947 Monte Carlo SWI gold: 4×200 m freestyle relay, silver: 100 m freestyle
Arina Opyonysheva	RUS	SWI	2016	1–1–1 2018 Glasgow SWI gold: 4×100 m medley relay (swam in heats only), silver: 4×200 m freestyle relay, bronze: 4×100 m freestyle mixed relay
Mikael Örn	SWE	SWI	1984	0–1–1 1983 Roma SWI silver: 4×100 m freestyle relay (swam in heats only), bronze: 4×200 m freestyle relay (swam in heats only)
Marco Orsi	ITA	SWI	2012—2016	0–1–1 2012 Debrecen SWI silver: 4×100 m freestyle relay; 2014 Berlin SWI bronze: 4×100 m freestyle relay
David Ortega	ESP	SWI	2000	1–0–2 2000 Helsinki SWI gold: 100 m backstroke, bronze: 50 m backstroke; 2004 Madrid SWI bronze: 50 m backstroke
Sergey Ostapchuk	RUS	SWI	1996—2000	0–0–1 1999 İstanbul SWI bronze: 4×100 m medley relay
Maria Östling	SWE	SWI	1996—2004	3–0–1 1999 İstanbul SWI gold: 4×100 m medley relay; 2000 Helsinki SWI gold: 4×100 m medley relay (swam in heats only); 2004 Madrid SWI gold: 50 m breaststroke, bronze: 100 m breaststroke
Per-Olof Östrand	SWE	SWI	1948—1956	2–0–1 1947 Monte Carlo SWI gold: 4×200 m freestyle relay; 1950 Wien SWI gold: 4×200 m freestyle relay; 1954 Torino SWI bronze: 400 m freestyle
Simone Osygus	GER	SWI	1992—1996	4–3–1 1991 Athina SWI gold: 50 m freestyle, silver: 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay, bronze: 100 m freestyle; 1993 Sheffield SWI gold: 4×200 m freestyle relay; 1995 Wien SWI gold: 4×100 m freestyle relay; 1997 Sevilla SWI gold: 4×100 m freestyle relay
Jeanette Ottesen Gray	DEN	SWI	2004—2016	2–4–2 2010 Budapest SWI silver: 50 m butterfly; 2014 Berlin SWI gold: 100 m butterfly and 4×100 m medley relay, silver: 50 m butterfly, bronze: 50 m freestyle; 2016 London SWI silver: 50 m butterfly and 100 m butterfly, bronze: 50 m freestyle
Kristin Otto	GDR	SWI	1988	9–1–1 1983 Roma SWI gold: 4×100 m freestyle relay and 4×200 m freestyle relay, silver: 100 m freestyle; 1987 Strasbourg SWI gold: 100 m freestyle, 100 m backstroke, 100 m butterfly, 4×100 m freestyle relay, and 4×100 m medley relay; 1989 Bonn SWI gold: 100 m backstroke and 4×100 m medley relay, bronze: 200 m backstroke
Yelena Ovchinnikova	RUS	SWA	2008	3–0–0 2002 Berlin SYN gold: team; 2006 Budapest SYN gold: team Free and team Free Routine Combination
Puck Oversloot	NED	SWI	1932	0–0–1 1934 Magdeburg SWI bronze: 100 m backstroke
Joey Paccagnella	ITA	SWA	2004	0–1–2 2002 Berlin SYN bronze: team; 2004 Madrid SYN silver: team Free Routine Combination, bronze: team Free
Simona Păduraru	ROU	SWI	2000—2004	1–0–2 1999 İstanbul SWI bronze: 4×200 m freestyle relay; 2000 Helsinki SWI gold: 4×200 m freestyle relay; 2004 Madrid SWI bronze: 4×200 m freestyle relay
Yuliya Pakhalina	RUS	DIV	2000—2008	8–3–0 1995 Wien DIV silver: 3 m springboard; 1997 Sevilla DIV gold: 3 m springboard, silver: synchronized springboard; 2000 Helsinki DIV gold: 3 m springboard and synchronized springboard; 2002 Berlin DIV gold: 3 m springboard, silver: synchronized springboard; 2004 Madrid DIV gold: 3 m springboard and synchronized springboard; 2008 Eindhoven DIV gold: 3 m springboard and synchronized springboard
Paul Palmer	GBR	SWI	1992—2000	3–4–3 1993 Sheffield SWI silver: 400 m freestyle; 1995 Wien SWI silver: 400 m freestyle; 1997 Sevilla SWI gold: 200 m freestyle and 4×200 m freestyle relay, bronze: 400 m freestyle; 1999 İstanbul SWI gold: 400 m freestyle, silver: 200 m freestyle and 4×200 m freestyle relay; 2000 Helsinki SWI bronze: 200 m freestyle and 400 m freestyle
Gregorio Paltrinieri	ITA	SWI	2012—2016	5–2–1 2012 Debrecen SWI gold: 1500 m freestyle, silver: 800 m freestyle; 2014 Berlin SWI gold: 800 m freestyle and 1500 m freestyle; 2016 London SWI gold: 800 m freestyle and 1500 m freestyle; 2018 Glasgow SWI silver: 800 m freestyle, bronze: 1500 m freestyle
Roberto Pangaro	ITA	SWI	1972—1976	0–1–0 1977 Jönköping SWI silver: 4×100 m freestyle relay
Nikolay Pankin	URS	SWI	1968—1976	2–2–2 1970 Barcelona SWI gold: 100 m breaststroke, silver: 200 m breaststroke, bronze: 4×100 m medley relay; 1974 Wien SWI gold: 100 m breaststroke, silver: 200 m breaststroke, bronze: 4×100 m medley relay
Denis Pankratov	RUS EUN	SWI	1992—2000	5–1–0 1993 Sheffield SWI gold: 200 m butterfly and 4×100 m medley relay, silver: 100 m butterfly (competed for Russia); 1995 Wien SWI gold: 100 m butterfly, 200 m butterfly, and 4×100 m medley relay (competed for Russia)
Yuliya Pankratova	RUS	SWA	1996	1–0–0 1995 Wien SYN gold: team
Margherita Panziera	ITA	SWI	2016	1–0–1 2018 Glasgow SWI gold: 200 m backstroke, bronze: 4×100 m medley mixed relay
Márk Papp	HUN	SWI	2016	0–0–1 2016 Hoorn SWI bronze: 5 km team
Silvia Parera	ESP	SWI	1988—1996	0–0–1 1993 Sheffield SWI bronze: 200 m medley
Valentin Parinov	URS	SWI	1976	0–1–0 1977 Jönköping SWI silver: 1500 m freestyle
Sara Parise	ITA	SWI	2000—2004	0–2–0 2000 Helsinki SWI silver: 4×100 m freestyle relay and 4×200 m freestyle relay
Steve Parry	GBR	SWI	2000—2004	0–0–1 1997 Sevilla SWI bronze: 200 m butterfly
Magdolna Patóh	HUN	SWI	1968—1972	0–1–0 1970 Barcelona SWI silver: 4×100 m freestyle relay
Anca Pătrășcoiu	ROU	SWI	1984—1988	0–1–0 1987 Strasbourg SWI silver: 4×200 m freestyle relay
Aleksandra Patskevich	RUS	SWA	2012—2016	4–0–0 2010 Budapest SYN gold: team Free and team Free Routine Combination; 2016 London SYN gold: team Technical and team Free Routine Combination
Roberto Pavoni	GBR	SWI	2012	0–1–1 2014 Berlin SWI silver: 400 m medley, bronze: 200 m medley
Pavel Pazdírek	TCH	SWI	1960	0–1–0 1958 Budapest SWI silver: 200 m butterfly
Adam Peaty	GBR	SWI	2016	12–0–0 2014 Berlin SWI gold: 50 m breaststroke, 100 m breaststroke, 4×100 m medley relay, and 4×100 m medley mixed relay; 2016 London SWI gold: 50 m breaststroke, 100 m breaststroke, 4×100 m medley relay, and 4×100 m medley mixed relay; 2018 Glasgow SWI gold: 50 m breaststroke, 100 m breaststroke, 4×100 m medley relay, and 4×100 m medley mixed relay
Jana Pechanová	CZE	SWI	2004—2016	0–1–6 2000 Helsinki SWI bronze: 5 km; 2006 Budapest SWI bronze: 5 km and 10 km; 2011 Eilat SWI silver: 5 km, bronze: 25 km; 2012 Piombino SWI bronze: 5 km and 10 km
Heidi Pechstein	GER	SWI	1960—1964	2–1–0 1962 Leipzig SWI gold: 100 m freestyle and 4×100 m medley relay (competed for East Germany); 1966 Utrecht SWI silver: 400 m medley (competed for East Germany)
Alicja Pęczak	POL	SWI	1992—2000	0–1–3 1995 Wien SWI bronze: 200 m breaststroke and 200 m medley; 1997 Sevilla SWI silver: 200 m breaststroke; 1999 İstanbul SWI bronze: 200 m breaststroke
Claudia Peczinka	SUI	SWA	1988—1992	0–0–2 1987 Strasbourg SYN bronze: team; 1989 Bonn SYN bronze: team
Rikke Møller Pedersen	DEN	SWI	2012—2016	4–2–1 2010 Budapest SWI silver: 100 m breaststroke, bronze: 200 m breaststroke; 2014 Berlin SWI gold: 100 m breaststroke, 200 m breaststroke, and 4×100 m medley relay; 2016 London SWI gold: 200 m breaststroke; 2018 Glasgow SWI silver: 4×100 m medley relay
María Peláez	ESP	SWI	1992—2008	1–1–1 1995 Wien SWI bronze: 4×100 m medley relay; 1997 Sevilla SWI gold: 200 m butterfly; 1999 İstanbul SWI silver: 200 m butterfly
Olga Pelekanou	GRE	SWA	2004	0–0–1 2004 Madrid SYN bronze: team Free Routine Combination
Chiara Pellacani	ITA	DIV	2018	1–0–0 2018 Glasgow DIV gold: synchronized springboard
Federica Pellegrini	ITA	SWI	2004—2016	7–4–4 2008 Eindhoven SWI gold: 400 m freestyle, silver: 4×100 m freestyle relay, bronze: 4×200 m freestyle relay; 2010 Budapest SWI gold: 200 m freestyle, bronze: 800 m freestyle; 2012 Debrecen SWI gold: 200 m freestyle and 4×200 m freestyle relay, bronze: 4×100 m freestyle relay; 2014 Berlin SWI gold: 200 m freestyle and 4×200 m freestyle relay, bronze: 4×100 m freestyle relay; 2016 London SWI gold: 200 m freestyle, silver: 4×100 m freestyle relay, 4×100 m freestyle mixed relay, and 4×100 m medley mixed relay
Matteo Pelliciari	ITA	SWI	2000—2004	4–0–1 2000 Helsinki SWI gold: 4×200 m freestyle relay; 2002 Berlin SWI gold: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay (swam in heats only); 2004 Madrid SWI gold: 4×200 m freestyle relay; 2008 Eindhoven SWI gold: 4×200 m freestyle relay (swam in heats only)
Nicole Péllissard-Darrigrand	FRA	DIV	1948—1960	2–1–0 1947 Monte Carlo DIV gold: platform (competed as Nicole Péllissard); 1950 Wien DIV gold: platform, silver: 3 m springboard (competed as Nicole Péllissard)
Cédric Pénicaud	FRA	SWI	1988	0–2–0 1989 Bonn SWI silver: 4×100 m medley relay; 1991 Athina SWI silver: 4×100 m medley relay
Giuseppe Perentin	ITA	SWI	1928—1932	0–2–0 1927 Bologna SWI silver: 1500 m freestyle; 1931 Paris SWI silver: 1500 m freestyle
Giacomo Perez-Dortona	FRA	SWI	2012	0–2–0 2014 Berlin SWI silver: 4×100 m medley relay; 2016 London SWI silver: 4×100 m medley relay
Merche Peris	ESP	SWI	2008	1–0–1 2010 Budapest SWI bronze: 50 m backstroke; 2012 Debrecen SWI gold: 50 m backstroke
Stéphan Perrot	FRA	SWI	1996—2000	1–0–1 1999 İstanbul SWI gold: 200 m breaststroke, bronze: 100 m breaststroke
Mariangela Perrupato	ITA	SWA	2012—2016	0–4–6 2006 Budapest SYN bronze: team Free and team Free Routine Combination; 2008 Eindhoven SYN silver: team Free and team Free Routine Combination, bronze: team Free; 2014 Berlin SYN bronze: team Free Routine Combination; 2016 London SYN silver: team Free and duet Free (mixed), bronze: team Technical and team Free Routine Combination
Irina Pershina	RUS	SWA	2000	2–0–0 1999 İstanbul SYN gold: team; 2000 Helsinki SYN gold: team
Silvia Persi	ITA	SWI	1984—1988	0–2–1 1987 Strasbourg SWI silver: 4×100 m medley relay; 1989 Bonn SWI silver: 4×100 m medley relay, bronze: 4×200 m freestyle relay
Jonas Persson	SWE	SWI	2008	1–0–1 2008 Eindhoven SWI gold: 4×100 m freestyle relay; 2010 Budapest SWI bronze: 4×100 m freestyle relay
Inge Pertmayr	AUT	DIV	1964—1972	0–1–0 1966 Utrecht DIV silver: platform
Mattia Pesce	ITA	SWI	2012	1–0–1 2012 Debrecen SWI gold: 4×100 m medley relay (swam in heats only), bronze: 100 m breaststroke
Stefan Peter	FRG	SWI	1984	0–1–0 1983 Roma SWI silver: 4×100 m medley relay
Mette Ove Petersen	DEN	SWI	1952	0–1–0 1950 Wien SWI silver: 4×100 m freestyle relay
Odile Petit	FRA	SWA	1984	2–0–0 1985 Sofia SYN gold: team; 1987 Strasbourg SYN gold: team
Borut Petrič	YUG	SWI	1976—1984	1–3–1 1977 Jönköping SWI bronze: 1500 m freestyle; 1981 Split SWI gold: 400 m freestyle, silver: 1500 m freestyle; 1983 Roma SWI silver: 400 m freestyle and 1500 m freestyle
Darjan Petrič	YUG	SWI	1980—1988	0–0–2 1981 Split SWI bronze: 400 m freestyle; 1983 Roma SWI bronze: 400 m freestyle
Anamarija Petričević	YUG	SWI	1988	1–0–0 1989 Stari Grad SWI gold: 5 km
Konstantin Petrov	URS	SWI	1988	1–0–0 1987 Strasbourg SWI gold: 4×100 m medley relay
Marek Petrusewicz	POL	SWI	1952	0–1–0 1954 Torino SWI silver: 200 m breaststroke
Jeanette Pettersson	SWE	SWI	1972	0–0–1 1974 Wien SWI bronze: 4×100 m medley relay
Peter Pettersson	SWE	SWI	1976	0–0–1 1974 Wien SWI bronze: 4×200 m freestyle relay
Rolf Pettersson	SWE	SWI	1972	0–0–1 1974 Wien SWI bronze: 4×200 m freestyle relay (swam in heats only)
Yekaterina Petukhova	RUS	DIV	2016	1–0–0 2014 Berlin DIV gold: synchronized platform
Aglaia Pezzato	ITA	SWI	2016	0–2–0 2016 London SWI silver: 4×100 m freestyle relay and 4×100 m freestyle mixed relay (swam in heats only)
Eva Pfarrhofer	AUT	DIV	1952—1956	0–0–1 1954 Torino DIV bronze: platform
Stefan Pfeiffer	GER FRG	SWI	1984—1992	0–3–3 1983 Roma SWI bronze: 1500 m freestyle (competed for West Germany); 1985 Sofia SWI bronze: 1500 m freestyle (competed for West Germany); 1987 Strasbourg SWI bronze: 1500 m freestyle (competed for West Germany); 1989 Bonn SWI silver: 400 m freestyle, 1500 m freestyle, and 4×200 m freestyle relay (competed for West Germany)
Frank Pfütze	GDR	SWI	1976—1980	1–0–2 1974 Wien SWI gold: 1500 m freestyle; 1977 Jönköping SWI bronze: 400 m freestyle and 4×200 m freestyle relay
Brian Phelps	GBR	DIV	1960—1964	2–1–0 1958 Budapest DIV gold: platform; 1962 Leipzig DIV gold: platform; 1966 Utrecht DIV silver: platform
Marjolein Philipsen	NED	SWA	1984	0–1–1 1983 Roma SYN silver: team; 1985 Sofia SYN bronze: team
Zus Philipsen-Braun	NED	SWI	1928—1932	4–2–0 1927 Bologna SWI gold: 400 m freestyle, silver: 100 m backstroke and 4×100 m freestyle relay (competed as Zus Braun); 1931 Paris SWI gold: 400 m freestyle, 100 m backstroke, and 4×100 m freestyle relay (competed as Zus Braun)
Karen Pickering	GBR	SWI	1992—2004	0–0–9 1993 Sheffield SWI bronze: 200 m freestyle, 4×200 m freestyle relay, and 4×100 m medley relay; 1995 Wien SWI bronze: 100 m freestyle, 200 m freestyle, and 4×100 m freestyle relay; 1997 Sevilla SWI bronze: 4×100 m medley relay; 1999 İstanbul SWI bronze: 4×100 m freestyle relay and 4×100 m medley relay
Yuliya Pidlisna	UKR	SWI	2008	0–1–0 2006 Budapest SWI silver: 200 m breaststroke
Jukka Piekkanen	FIN	DIV	2000—2004	0–0–1 1999 İstanbul DIV bronze: 3 m springboard
Silke Pielen	FRG	SWI	1972	0–1–0 1974 Wien SWI silver: 4×100 m medley relay (swam in heats only)
Christiane Pielke	FRG	SWI	1984—1988	0–1–3 1985 Sofia SWI silver: 4×100 m freestyle relay; 1987 Strasbourg SWI bronze: 50 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay
Frédéric Pierre	FRA	DIV	1988—2000	0–0–1 1997 Sevilla DIV bronze: synchronized platform
Janine Pietsch	GER	SWI	2004	1–0–1 2006 Budapest SWI gold: 50 m backstroke, bronze: 100 m backstroke
Jarno Pihlava	FIN	SWI	2000—2004	0–1–0 2000 Helsinki SWI silver: 100 m breaststroke
Emilia Pikkarainen	FIN	SWI	2008—2016	0–0–1 2016 London SWI bronze: 4×100 m medley relay
Denis Pimankov	RUS	SWI	1996—2004	3–2–0 1997 Sevilla SWI gold: 4×100 m freestyle relay; 1999 İstanbul SWI silver: 4×100 m freestyle relay; 2000 Helsinki SWI gold: 4×100 m freestyle relay and 4×100 m medley relay (swam in heats only); 2004 Madrid SWI silver: 4×100 m freestyle relay
Anke Piper	GER	DIV/Referee	2012	3–1–0 1997 Sevilla DIV gold: synchronized platform; 1999 İstanbul silver: synchronized platform; 2000 Helsinki gold: synchronized platform; 2002 Berlin gold: platform
Christian Pire	FRA	DIV	1956—1960	0–0–1 1954 Torino DIV bronze: 3 m springboard
Stefania Pirozzi	ITA	SWI	2010—2016	1–0–0 2014 Berlin SWI gold: 4×200 m freestyle relay
Samuel Pizzetti	ITA	SWI	2008—2012	0–2–3 2008 Eindhoven SWI silver: 800 m freestyle; 2010 Budapest SWI bronze: 800 m freestyle and 1500 m freestyle; 2012 Debrecen SWI silver: 4×200 m freestyle relay, bronze: 400 m freestyle
Luca Pizzini	ITA	SWI	2016	0–0–2 2016 London SWI bronze: 200 m breaststroke; 2018 Glasgow SWI bronze: 200 m breaststroke
Diane van der Plaats	NED	SWI	1988—1992	1–3–1 1987 Strasbourg SWI silver: 4×100 m freestyle relay; 1989 Bonn SWI silver: 4×100 m freestyle relay and 4×200 m freestyle relay; 1991 Athina SWI gold: 4×100 m freestyle relay, bronze: 4×200 m freestyle relay
Elisa Plaisant	ITA	SWA	2004	0–1–2 2002 Berlin SYN bronze: team; 2004 Madrid SYN silver: team Free Routine Combination, bronze: team Free
Werner Plath	GER	SWI	1936	1–1–0 1938 London SWI gold: 4×200 m freestyle relay, silver: 400 m freestyle
Marion Platten	FRG	SWI	1976	0–0–1 1977 Jönköping SWI bronze: 4×100 m medley relay (swam in heats only)
Catherine Plewinski	FRA	SWI	1988—1992	5–2–2 1987 Strasbourg SWI bronze: 100 m butterfly; 1989 Bonn SWI gold: 50 m freestyle and 100 m butterfly; 1991 Athina SWI gold: 100 m freestyle and 100 m butterfly; 1991 Athina SWI silver: 50 m freestyle and 200 m freestyle; 1993 Sheffield SWI gold: 100 m butterfly, bronze: 100 m freestyle
Mariusz Podkościelny	POL	SWI	1988—1992	0–0–2 1989 Bonn SWI bronze: 400 m freestyle and 1500 m freestyle
Maxim Podoprigora	AUT	SWI	2000—2008	0–0–1 2000 Helsinki SWI bronze: 200 m breaststroke
Sarah Poewe	GER RSA	SWI	2000—2012	2–1–2 2006 Budapest SWI silver: 4×100 m medley relay (competed for Germany); 2010 Budapest SWI bronze: 4×100 m medley relay (swam in heats only); 2012 Debrecen SWI gold: 100 m breaststroke and 4×100 m medley relay, bronze: 200 m breaststroke (competed for Germany)
Stefan Pohl	GER	SWI	2000	1–2–1 1997 Sevilla SWI bronze: 4×200 m freestyle relay; 1999 İstanbul SWI gold: 4×200 m freestyle relay; 2000 Helsinki SWI silver: 4×200 m freestyle relay; 2002 Berlin SWI silver: 4×200 m freestyle relay
Lionel Poirot	FRA	SWI	1992—1996	0–0–1 1993 Sheffield SWI bronze: 4×200 m freestyle relay
Anne Poleska	GER	SWI	2000—2008	0–1–0 2002 Berlin SWI silver: 200 m breaststroke
Mikhail Polishchuk	RUS	SWI	2008—2012	1–0–0 2010 Budapest SWI gold: 4×200 m freestyle relay (swam in heats only)
Cornelia Polit	GDR	SWI	1980	2–2–0 1981 Split SWI gold: 200 m backstroke, silver: 100 m backstroke; 1983 Roma SWI gold: 200 m butterfly, silver: 100 m butterfly
Andrea Pollack	GDR	SWI	1976—1980	2–1–0 1977 Jönköping SWI gold: 100 m butterfly and 4×100 m medley relay, silver: 200 m butterfly
Anatoly Polyakov	RUS	SWI	2000—2004	2–0–3 1999 İstanbul SWI bronze: 200 m butterfly; 2000 Helsinki SWI gold: 200 m butterfly; 2002 Berlin SWI gold: 4×100 m medley relay (swam in heats only), bronze: 200 m butterfly; 2004 Madrid SWI bronze: 200 m butterfly
Igor Polyansky	URS	SWI	1988	3–1–0 1985 Sofia SWI gold: 100 m backstroke and 200 m backstroke; 1987 Strasbourg SWI gold: 4×100 m medley relay, silver: 200 m backstroke
Jean Pommat	FRA	SWI	1960—1964	0–1–0 1962 Leipzig SWI silver: 4×200 m freestyle relay (swam in heats only)
Joan Lluís Pons	ESP	SWI	2016	0–0–1 2018 Glasgow SWI bronze: 400 m medley
Laia Pons	ESP	SWA	2012	1–0–0 2012 Eindhoven SYN gold: team Free Routine Combination
Alena Popchanka	BLR FRA	SWI	1996—2008	1–0–6 2002 Berlin SWI bronze: 100 m freestyle and 200 m freestyle (competed for Belarus); 2006 Budapest SWI bronze: 100 m butterfly, 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay (competed for France); 2008 Eindhoven SWI gold: 4×200 m freestyle relay (competed for France)
Hans-Dieter Pophal	GER	DIV	1960—1964	0–1–0 1962 Leipzig DIV silver: 3 m springboard (competed for East Germany)
Aleksandr Popov	RUS EUN	IOC/SWI	1992—2018	21–3–2 1991 Athina SWI gold: 100 m freestyle, 4×100 m freestyle relay, 4×100 m medley relay (competed for the Soviet Union); 1993 Sheffield SWI gold: 50 m freestyle, 100 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay (competed for Russia); 1995 Wien SWI gold: 50 m freestyle, 100 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay (competed for Russia); 1997 Sevilla SWI gold: 50 m freestyle, 100 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay (competed for Russia); 1999 İstanbul SWI silver: 100 m freestyle and 4×100 m freestyle relay, bronze: 50 m freestyle and 4×100 m medley relay (competed for Russia); 2000 Helsinki SWI gold: 50 m freestyle, 100 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay (competed for Russia); 2002 Berlin SWI gold: 4×100 m medley relay, silver: 100 m freestyle (competed for Russia); 2004 Madrid SWI gold: 50 m freestyle (competed for Russia)
Veronika Popova	RUS	SWI	2012—2016	0–1–1 2014 Berlin SWI silver: 4×100 m freestyle mixed relay, bronze: 4×100 m medley mixed relay
Clara Porchetto	ITA	SWA	2000	0–1–2 1997 Sevilla SYN bronze: team; 1999 İstanbul SYN bronze: team (competed in prelims only); 2000 Helsinki SYN silver: team
Aleksandr Portnov	URS	DIV	1980—1988	1–0–0 1981 Split DIV gold: 3 m springboard
Udo Poser	GDR	SWI	1968—1972	3–2–3 1966 Utrecht SWI gold: 4×100 m freestyle relay, silver: 4×200 m freestyle relay, bronze: 100 m freestyle; 1970 Barcelona SWI gold: 200 m butterfly and 4×100 m medley relay, silver: 100 m butterfly, bronze: 4×100 m freestyle relay and 4×200 m freestyle relay
Angela Postma	NED	SWI	1996	0–0–1 1995 Wien SWI bronze: 50 m freestyle
Christian Poswiat	GDR GER	SWI	1988—1992	0–0–1 1987 Strasbourg SWI bronze: 4×100 m medley relay (competed for East Germany)
Camelia Potec	ROU	SWI	2000—2012	4–3–10 1997 Sevilla SWI bronze: 200 m freestyle; 1999 İstanbul SWI gold: 200 m freestyle and 400 m freestyle, bronze: 4×200 m freestyle relay; 2000 Helsinki SWI gold: 4×200 m freestyle relay, bronze: 200 m freestyle, 400 m freestyle, and 4×100 m medley relay; 2002 Berlin SWI silver: 200 m freestyle, bronze: 400 m freestyle; 2004 Madrid SWI gold: 200 m freestyle, silver: 400 m freestyle, bronze: 800 m freestyle and 4×200 m freestyle relay; 2008 Eindhoven SWI silver: 200 m freestyle, bronze: 400 m freestyle and 800 m freestyle
Viktoriya Potiekhina	UKR	DIV	2010—2012	0–1–0 2012 Eindhoven DIV silver: synchronized platform
Annette Poulsen	DEN	SWI	1988—1992	1–0–0 1991 Athina SWI gold: 4×200 m freestyle relay
Svetlana Pozdeyeva	RUS	SWI	1996	0–2–0 1993 Sheffield SWI silver: 4×100 m medley relay and 4×100 m medley relay
Anastasiya Pozdnyakova	RUS	DIV	2008—2012	1–1–2 2008 Eindhoven DIV gold: synchronized springboard; 2010 Budapest DIV silver: 3 m springboard, bronze: 1 m springboard and synchronized springboard
Valentina Poznyak	URS	SWI	1960	0–1–0 1958 Budapest SWI silver: 4×100 m medley relay (swam in heats only)
Vladimir Predkin	RUS	SWI	1996	2–0–0 1993 Sheffield SWI gold: 4×100 m freestyle relay; 1995 Wien SWI gold: 4×100 m freestyle relay
Lillian Preece	GBR	SWI	1948—1952	0–0–1 1947 Monte Carlo SWI bronze: 4×100 m freestyle relay
Sarah Price	GBR	SWI	2000—2004	0–0–1 1997 Sevilla SWI bronze: 4×100 m medley relay
Petra Priemer	GDR	SWI	1976	2–0–1 1977 Jönköping SWI gold: 4×100 m freestyle relay and 4×100 m medley relay (swam in heats only), bronze: 100 m freestyle
Gennady Prigoda	URS EUN	SWI	1988—1992	2–2–1 1987 Strasbourg SWI gold: 4×100 m medley relay, silver: 50 m freestyle, bronze: 4×100 m freestyle relay (competed for the Soviet Union); 1991 Athina SWI gold: 4×100 m freestyle relay, silver: 50 m freestyle (competed for the Soviet Union)
Kirill Prigoda	RUS	SWI	2016	0–1–0 2018 Glasgow SWI silver: 4×100 m medley relay (swam in heats only)
Yury Prilukov	RUS	SWI	2004—2008	6–3–0 2002 Berlin SWI gold: 1500 m freestyle; 2004 Madrid SWI gold: 1500 m freestyle, silver: 400 m freestyle and 4×200 m freestyle relay; 2006 Budapest SWI gold: 400 m freestyle and 1500 m freestyle; 2008 Eindhoven SWI gold: 400 m freestyle and 1500 m freestyle, silver: 4×200 m freestyle relay
Yelena Prokofyeva	RUS	SWA	2016	3–0–0 2014 Berlin SYN gold: team Free; 2016 London SYN gold: team Technical and team Free Routine Combination
Yuliya Prokopchuk	UKR	DIV	2008—2016	4–6–2 2006 Budapest DIV gold: platform, bronze: synchronized platform; 2008 Eindhoven DIV silver: platform and synchronized platform; 2010 Budapest DIV silver: synchronized platform; 2012 Eindhoven DIV gold: platform, silver: synchronized platform; 2014 Berlin DIV silver: Team Event, bronze: platform; 2016 London DIV gold: platform and synchronized platform (mixed), silver: Team Event
Heorhiy Prokopenko	URS	SWI	1960—1964	3–0–0 1962 Leipzig SWI gold: 200 m breaststroke; 1966 Utrecht SWI gold: 200 m breaststroke and 4×100 m medley relay
Ben Proud	GBR	SWI	2016	2–1–3 2014 Berlin SWI gold: 4×100 m medley relay, bronze: 50 m butterfly; 2016 London SWI bronze: 50 m freestyle and 50 m butterfly; 2018 Glasgow SWI gold: 50 m freestyle, silver: 50 m butterfly
Halyna Prozumenshchykova-Stepanova	URS	SWI	1964—1972	3–2–0 1966 Utrecht SWI gold: 200 m breaststroke, silver: 4×100 m medley relay (competed as Halyna Prozumenshchikova); 1970 Barcelona SWI gold: 100 m breaststroke and 200 m breaststroke, silver: 4×100 m medley relay (competed as Halyna Stepanova)
Oleksiy Pryhorov	UKR	DIV	2008—2012	1–0–1 2010 Budapest DIV gold: synchronized springboard; 2012 Eindhoven DIV bronze: synchronized springboard
Paolo Pucci	ITA	SWI/WAP	1956	1–1–1 1958 Budapest SWI gold: 100 m freestyle, silver: 4×200 m freestyle relay, bronze: 4×100 m medley relay
Berit Puggaard	DEN	SWI	1992—1996	1–0–3 1991 SWI Athina gold: 4×200 m freestyle relay, bronze: 200 m butterfly and 4×100 m freestyle relay; 1997 Sevilla SWI bronze: 4×200 m freestyle relay
Joona Puhakka	FIN	DIV	2000—2008	2–2–3 2000 Helsinki DIV bronze: 1 m springboard; 2004 Madrid DIV gold: 1 m springboard, silver: 3 m springboard; 2006 Budapest DIV gold: 1 m springboard, bronze: 3 m springboard; 2008 Eindhoven DIV silver: 1 m springboard, bronze: 3 m springboard
Bence Pulai	HUN	SWI	2012—2016	0–0–2 2012 Debrecen SWI bronze: 4×100 m medley relay (swam in heats only); 2014 Berlin SWI bronze: 4×100 m medley relay
Tina Punzel	GER	DIV	2016	1–2–3 2014 Berlin DIV silver: synchronized springboard, bronze: 1 m springboard and Team Event; 2018 Edinburgh DIV gold: synchronized springboard (mixed), silver: synchronized springboard, bronze: 3 m springboard
Stela Marian Pura	ROU	SWI	1988	0–1–2 1987 Strasbourg SWI silver: 4×200 m freestyle relay, bronze: 400 m freestyle and 200 m butterfly
Alexandra Putra	FRA POL	SWI	2004—2012	1–0–0 2004 Madrid SWI gold: 4×100 m medley relay (swam in heats only) (competed for France)
Eila Pyrhönen	FIN	SWI	1964	0–0–1 1966 Utrecht SWI bronze: 100 m butterfly
Vlad Pyshnenko	RUS EUN	SWI	1992—1996	4–0–0 1991 Athina SWI gold: 4×200 m freestyle relay (competed for the Soviet Union); 1993 Sheffield SWI gold: 4×100 m freestyle relay and 4×200 m freestyle relay (competed for Russia); 1997 Sevilla SWI gold: 4×100 m freestyle relay (competed for Russia)
Hanna Pysmenska	UKR	DIV	2008—2012	0–2–1 2010 Budapest DIV silver: synchronized springboard; 2012 Eindhoven DIV silver: synchronized springboard; 2014 Berlin DIV bronze: synchronized springboard
Roger Pyttel	GDR	SWI	1972—1980	2–2–2 1974 Wien SWI gold: 100 m butterfly, bronze: 4×100 m freestyle relay; 1977 Jönköping SWI gold: 100 m butterfly, silver: 200 m butterfly and 4×100 m medley relay, bronze: 4×200 m freestyle relay
Simona Quadarella	ITA	SWI	2014	3–0–0 2018 Glasgow SWI gold: 400 m freestyle, 800 m freestyle, and 1500 m freestyle
Katarin Quelennec	FRA	SWI	2000—2004	0–1–1 2000 Helsinki SWI bronze: 4×200 m freestyle relay; 2004 Madrid SWI silver: 4×200 m freestyle relay
Britt Raaby	DEN	SWI	1996	0–0–1 1997 Sevilla SWI bronze: 4×200 m freestyle relay
Erich Rademacher	GER	SWI/WAP	1928—1932	2–0–0 1926 Budapest SWI gold: 200 m breaststroke; 1927 Bologna SWI gold: 200 m breaststroke
Joachim Rademacher	GER	WAP	1928—1932	2–0–2 1926 Budapest SWI gold: 4×200 m freestyle relay, bronze: 1500 m freestyle; 1927 Bologna SWI gold: 4×200 m freestyle relay, bronze: 1500 m freestyle
Nan Rae	GBR	SWI	1960	0–0–1 1958 Budapest SWI bronze: 400 m freestyle
Arantxa Ramos	ESP	SWI	2004—2008	1–0–0 2004 Madrid SWI gold: 4×200 m freestyle relay (swam in heats only)
Fabrizio Rampazzo	ITA	SWI	1980—1988	0–0–2 1983 Roma SWI bronze: 4×200 m freestyle relay; 1985 Sofia SWI bronze: 4×100 m medley relay
Ineke Ran	NED	SWI	1976	0–1–1 1977 Jönköping SWI silver: 4×100 m freestyle relay, bronze: 100 m butterfly
Clemens Rapp	GER	SWI	2012—2016	2–1–0 2010 Budapest SWI silver: 4×200 m freestyle relay; 2012 Debrecen SWI gold: 4×200 m freestyle relay; 2014 Berlin SWI gold: 4×200 m freestyle relay
Danas Rapšys	LTU	SWI	2016	0–1–1 2016 London SWI bronze: 200 m backstroke; 2018 Glasgow SWI silver: 200 m freestyle
Bengt Rask	SWE	SWI	1952	0–0–1 1950 Wien SWI bronze: 200 m breaststroke
Volodymyr Raskatov	URS	SWI	1976	1–0–0 1977 Jönköping SWI gold: 4×200 m freestyle relay
Kristóf Rasovszky	HUN	SWI	2016	2–1–0 2018 Loch Lomond SWI gold: 5 km and 25 km, silver: 10 km
Shelagh Ratcliffe	GBR	SWI	1968—1972	0–0–2 1970 Barcelona SWI bronze: 200 m medley and 400 m medley
Magali Rathier	FRA	SWA	1996—2000	0–3–1 1993 Sheffield SYN silver: team; 1995 Wien SYN silver: team; 1999 İstanbul SYN silver: team; 2000 Helsinki SYN bronze: team
Kathy Read	GBR	SWI	1984—1992	0–0–1 1993 Sheffield SWI bronze: 4×100 m medley relay
Elisabeth Rechlin	GER	SWI	1952	0–0–1 1954 Torino SWI bronze: 4×100 m freestyle relay (competed for West Germany)
Dagmar Rehak	FRG	SWI	1976	0–1–1 1974 Wien SWI silver: 4×100 m medley relay (swam in heats only); 1977 Jönköping SWI bronze: 4×100 m medley relay
Anni Rehborn (DNS)	GER	SWI	1928	0–0–1 1927 Bologna SWI bronze: 4×100 m freestyle relay
Hanni Rehborn	GER	DIV	1928	0–0–1 1927 Bologna DIV bronze: 3 m springboard
Grace Reid	GBR	DIV	2016	2–1–1 2016 London DIV gold: synchronized springboard (mixed), bronze: 3 m springboard; 2018 Edinburgh DIV gold: 3 m springboard, silver: synchronized springboard (mixed)
Marion Reiff	AUT	DIV	2000—2004	0–0–1 1997 Sevilla DIV bronze: synchronized platform
Heidi Reineck	FRG	SWI	1968—1972	0–0–1 1970 Barcelona SWI bronze: 4×100 m medley relay
Toivo Reingoldt	FIN	SWI	1932	1–0–0 1931 Paris SWI gold: 200 m breaststroke
Delia Reinhardt	GER	DIV	1964	0–1–0 1966 Utrecht DIV silver: 3 m springboard (competed for East Germany)
Molly Renshaw	GBR	SWI	2016	1–1–1 2014 Berlin SWI silver: 200 m breaststroke; 2016 London SWI gold: 4×100 m medley relay (swam in heats only); 2018 Glasgow SWI bronze: 200 m breaststroke
Robbie Renwick	GBR	SWI	2008—2016	1–1–0 2006 Budapest SWI silver: 4×200 m freestyle relay (swam in heats only); 2016 London SWI gold: 4×100 m medley relay (swam in heats only)
Paolo Revelli	ITA	SWI	1976—1984	0–1–2 1977 Jönköping SWI silver: 4×100 m freestyle relay; 1983 Roma SWI bronze: 200 m butterfly and 4×200 m freestyle relay
Susan Richardson	GBR	SWI	1972—1976	0–0–1 1974 Wien SWI bronze: 400 m medley
Dirk Richter	GDR GER	SWI	1988—1992	2–7–5 1981 Split SWI bronze: 4×100 m medley relay (competed for East Germany); 1983 Roma SWI gold: 100 m backstroke, silver: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay and 4×100 m medley relay (competed for East Germany); 1985 Sofia SWI silver: 100 m backstroke, 4×100 m freestyle relay, and 4×100 m medley relay (competed for East Germany); 1987 Strasbourg SWI gold: 4×100 m freestyle relay, bronze: 100 m freestyle (competed for East Germany); 1989 Bonn SWI bronze: 100 m backstroke (competed for East Germany); 1991 Athina SWI silver: 100 m backstroke, 200 m backstroke, and 4×100 m freestyle relay (competed for Germany)
Ulrike Richter	GDR	SWI	1976	5–2–0 1974 Wien SWI gold: 100 m backstroke, 200 m backstroke, 4×100 m freestyle relay (swam in heats only), and 4×100 m medley relay; 1977 Jönköping SWI gold: 4×100 m medley relay, silver: 100 m backstroke and 200 m backstroke
Anja Richter-Libiseller	AUT	DIV	1996—2008	0–1–1 1997 Sevilla DIV bronze: synchronized platform (competed as Anja Richter); 2006 Budapest DIV silver: platform (competed as Anja Richter)
Ewald Riebschläger	GER	DIV	1928	2–1–2 1927 Bologna DIV gold: 3 m springboard, silver: platform; 1931 Paris DIV gold: 3 m springboard, bronze: platform; 1934 Magdeburg DIV bronze: platform
Éva Riffet	FRA	SWA	1996	0–3–0 1993 Sheffield SYN silver: team; 1995 Wien SYN silver: team (competed in technical prelim only); 1997 Sevilla SYN silver: team
Flavia Rigamonti	SUI	SWI	2000—2008	2–0–0 2000 Helsinki SWI gold: 800 m freestyle; 2008 Eindhoven SWI gold: 1500 m freestyle
Dennis Rijnbeek	NED	SWI	2000	0–0–1 2000 Helsinki SWI bronze: 4×200 m freestyle relay (swam in heats only)
Anke Rijnders	NED	SWI	1972	0–1–0 1974 Wien SWI silver: 4×100 m freestyle relay
Domenico Rinaldi	ITA	DIV	1984—1988	0–0–1 1985 Sofia DIV bronze: platform
Éva Risztov	HUN	SWI	2000—2016	0–7–2 2002 Berlin SWI silver: 400 m freestyle, 800 m freestyle, 200 m butterfly, and 400 m medley; 2004 Madrid SWI silver: 400 m medley; 2012 Debrecen SWI silver: 1500 m freestyle, bronze: 800 m freestyle; 2014 Berlin SWI silver: 10 km; 2016 Hoorn SWI bronze: 5 km team
Matteo Rivolta	ITA	SWI	2012—2016	1–0–1 2012 Debrecen SWI gold: 4×100 m medley relay, bronze: 100 m butterfly
Laura Roca	ESP	SWI	2000—2004	1–1–0 2002 Berlin SWI silver: 4×200 m freestyle relay; 2004 Madrid SWI gold: 4×200 m freestyle relay
Irina Rodríguez	ESP	SWA	2004—2008	3–5–0 2002 Berlin SYN silver: team; 2004 Madrid SYN gold: team Free Routine Combination, silver: team Free; 2006 Budapest SYN silver: team Free and team Free Routine Combination; 2008 Eindhoven SYN gold: team Free and team Free Routine Combination; 2010 Budapest SYN silver: team Free Routine Combination
Joe Roebuck	GBR	SWI	2012	0–0–1 2010 Budapest SWI bronze: 200 m medley
Markus Rogan	AUT	SWI	2000—2012	4–6–3 2002 Berlin SWI silver: 100 m backstroke and 200 m backstroke, bronze: 200 m medley; 2004 Madrid SWI gold: 200 m backstroke and 200 m medley, silver: 100 m backstroke; 2006 Budapest SWI silver: 100 m backstroke; 2008 Eindhoven SWI gold: 100 m backstroke and 200 m backstroke, bronze: 4×200 m freestyle relay; 2010 Budapest SWI silver: 200 m backstroke and 200 m medley; 2012 Debrecen SWI bronze: 200 m medley
Pierre Roger	FRA	SWI	2004—2008	0–2–1 2002 Berlin SWI silver: 4×100 m medley relay, bronze: 100 m backstroke; 2004 Madrid SWI silver: 4×100 m medley relay (swam in heats only)
Vanja Rogulj	CRO	SWI	2000—2008	0–1–0 2008 Eindhoven SWI silver: 4×100 m medley relay
Miloslav Roľko	TCH	SWI	1976—1980	1–1–0 1977 Jönköping SWI gold: 100 m backstroke, silver: 200 m backstroke
Andrea Rolla	ITA	SWI	2012	1–1–0 2012 Debrecen SWI gold: 4×100 m medley relay (swam in heats only), silver: 4×100 m freestyle relay
Sue Rolph	GBR	SWI	1996—2000	1–0–4 1995 Wien SWI bronze: 4×100 m freestyle relay; 1999 İstanbul SWI gold: 100 m freestyle, bronze: 4×100 m freestyle relay and 4×100 m medley relay; 2000 Helsinki SWI bronze: 200 m medley
Roy Romain	GBR	SWI	1948	1–0–0 1947 Monte Carlo SWI gold: 200 m breaststroke
Mykhailo Romanchuk	UKR	SWI	2014—2016	2–1–2 2016 London SWI bronze: 800 m freestyle and 1500 m freestyle; 2018 Glasgow SWI gold: 400 m freestyle and 800 m freestyle, silver: 1500 m freestyle
Angelo Romani	ITA	SWI	1952—1960	0–2–0 1954 Torino SWI silver: 400 m freestyle; 1958 Budapest SWI silver: 4×200 m freestyle relay
Svetlana Romashina	RUS	SWA	2008—2016	10–0–0 2006 Budapest SYN gold: team Free and team Free Routine Combination; 2010 Budapest SYN gold: duet, team Free, and team Free Routine Combination; 2012 Eindhoven SYN gold: duet; 2014 Berlin SYN gold: solo; 2016 London SYN gold: solo Technical, duet Technical, and duet Free
Gilles Rondy	FRA	SWI	2008	1–1–0 2002 Berlin SWI silver: 25 km; 2006 Budapest SWI gold: 25 km
Manon van Rooijen	NED	SWI	2000—2008	0–0–1 2002 Berlin SWI bronze: 4×100 m freestyle relay
Hans Rosendahl	SWE	SWI	1964	1–1–1 1962 Leipzig SWI gold: 4×200 m freestyle relay, silver: 400 m freestyle; 1966 Utrecht SWI bronze: 4×200 m freestyle relay (swam in heats only)
Horst Rosenfeldt	GER	DIV	1964	0–1–0 1958 Budapest DIV silver: 3 m springboard (competed for West Germany)
Massi Rosolino	ITA	SWI	1996—2008	7–8–6 1995 Wien SWI bronze: 4×200 m freestyle relay; 1997 Sevilla SWI silver: 200 m freestyle and 400 m freestyle; 1999 İstanbul SWI silver: 200 m medley, bronze: 200 m freestyle; 2000 Helsinki SWI gold: 200 m freestyle, 200 m medley, and gold: 4×200 m freestyle relay; 2002 Berlin SWI gold: 4×200 m freestyle relay, silver: 400 m freestyle, bronze: 200 m freestyle; 2004 Madrid SWI gold: 4×200 m freestyle relay, bronze: 200 m freestyle, and 200 m medley; 2006 Budapest SWI gold: 4×200 m freestyle relay, silver: 200 m freestyle and 400 m freestyle; 2008 Eindhoven SWI gold: 4×200 m freestyle relay, silver: 400 m freestyle and 4×100 m freestyle relay, bronze: 200 m freestyle
Matthieu Rosset	FRA	DIV	2012—2016	2–0–3 2010 Budapest DIV bronze: Team Event; 2012 Eindhoven DIV gold: 3 m springboard and Team Event,n bronze: 1 m springboard; 2014 Berlin DIV bronze: 1 m springboard
Nicolas Rostoucher	FRA	SWI	2000—2008	0–0–4 2002 Berlin SWI bronze: 400 m medley; 2004 Madrid SWI bronze: 4×200 m freestyle relay; 2006 Budapest SWI bronze: 400 m freestyle and 1500 m freestyle
Joachim Rother	GDR	SWI	1968	0–0–1 1966 Utrecht SWI bronze: 200 m backstroke
Sébastien Rouault	FRA	SWI	2008	2–1–0 2006 Budapest SWI silver: 1500 m freestyle; 2010 Budapest SWI gold: 800 m freestyle and 1500 m freestyle
Tatiana Rouba	ESP	SWI	2004	1–1–0 2002 Berlin SWI silver: 4×200 m freestyle relay; 2004 Madrid SWI gold: 4×200 m freestyle relay
Michel Rousseau	FRA	SWI	1968—1976	1–1–0 1970 Barcelona SWI gold: 100 m freestyle, silver: 4×100 m medley relay
Sharon van Rouwendaal	NED	SWI	2012—2016	5–3–1 2014 Berlin SWI gold: 10 km and 5 km team, silver: 400 m freestyle and 5 km; 2016 Hoorn SWI bronze: 5 km; 2018 Loch Lomond SWI gold: 5 km, 10 km, and 5 km team, silver: 25 km
Jolanda de Rover	NED	SWI	1980—1988	0–2–1 1981 Split SWI silver: 200 m backstroke; 1983 Roma SWI silver: 4×100 m medley relay; 1985 Sofia SWI bronze: 200 m backstroke
Norbert Rózsa	HUN	SWI	1992—2000	1–1–1 1991 Athina SWI gold: 100 m breaststroke, silver: 200 m breaststroke, bronze: 4×100 m medley relay
Adam Ruckwood	GBR	SWI	1992—2000	0–0–1 1995 Wien SWI bronze: 200 m backstroke
Alena Rudkouskaya	BLR EUN	SWI	1992—1996	3–0–1 1991 Athina SWI gold: 100 m breaststroke, 200 m breaststroke, and 4×100 m medley relay (competed for the Soviet Union); 1993 Sheffield SWI bronze: 100 m breaststroke (competed for Belarus)
Róbert Rudolf	HUN	SWI	1972—1980	0–0–1 1974 Wien SWI bronze: 200 m backstroke
Nils Rudolph	GER	SWI	1992	1–2–2 1989 Bonn SWI bronze: 50 m freestyle (competed for East Germany); 1991 Athina SWI gold: 50 m freestyle, silver: 100 m freestyle and 4×100 m freestyle relay, bronze: 100 m butterfly
Simone Ruffini	ITA	SWI	2016	1–1–1 2010 Budapest SWI silver: 5 km team, bronze: 5 km; 2016 Hoorn SWI gold: 5 km team
Caroline Ruhnau	GER	SWI	2012	1–0–2 2010 Budapest SWI bronze: 4×100 m medley relay; 2012 Debrecen SWI gold: 4×100 m medley relay (swam in heats only), bronze: 50 m breaststroke
Aleh Rukhlevich	BLR	SWI	1996—2000	0–0–1 1997 Sevilla SWI bronze: 100 m freestyle
Davide Rummolo	ITA	SWI	2000	1–0–0 2002 Berlin SWI gold: 200 m breaststroke
Cathleen Rund	GER	SWI	1996—2000	2–2–2 1995 Wien SWI gold: 4×100 m medley relay, silver: 100 m backstroke, bronze: 200 m backstroke and 400 m medley; 1997 Sevilla SWI gold: 200 m backstroke; 1999 İstanbul SWI silver: 200 m backstroke
Peter Rund	GDR	WAP	1968	1–0–2 1970 Barcelona SWI gold: 4×100 m medley relay (swam in heats only), bronze: 4×100 m freestyle relay (swam in heats only) and 4×200 m freestyle relay (swam in heats only)
Thomas Rupprath	GER	SWI	2000—2008	2–4–1 1997 Sevilla SWI silver: 4×100 m medley relay; 1999 İstanbul SWI silver: 50 m backstroke; 2000 Helsinki SWI silver: 100 m butterfly; 2002 Berlin SWI gold: 50 m backstroke and 100 m butterfly, silver: 50 m butterfly, bronze: 4×100 m medley relay
Sergey Rusin	URS	SWI	1980	2–0–0 1977 Jönköping SWI gold: 400 m freestyle and 4×200 m freestyle relay
Shane Ryan	IRL	SWI	2016	0–0–1 2018 Glasgow SWI bronze: 50 m backstroke
Brian Ryckeman	BEL	SWI	2008—2012	1–0–0 2011 Eilat SWI gold: 25 km
Yevgeny Rylov	RUS	SWI	2014—2016	2–2–0 2018 Glasgow SWI gold: 200 m backstroke and 4×100 m freestyle relay, silver: 100 m backstroke and 4×100 m medley relay (swam in heats only)
Oleksandra Sabada	UKR	SWA	2016	2–5–2 2010 Budapest SYN bronze: team Free and team Free Routine Combination; 2012 Eindhoven SYN silver: team Free and team Free Routine Combination; 2014 Berlin SYN gold: team Free Routine Combination, silver: team Free; 2016 London SYN gold: team Free, silver: team Technical and team Free Routine Combination
Simone Sabbioni	ITA	SWI	2014—2016	0–1–1 2016 London SWI silver: 4×100 m medley mixed relay, bronze: 100 m backstroke
Luca Sacchi	ITA	SWI	1988—1996	1–0–2 1991 Athina SWI gold: 400 m medley, bronze: 200 m medley; 1995 Wien SWI bronze: 400 m medley
Aleksandr Sadovnikov	RUS	SWI	2014—2016	0–1–0 2018 Glasgow SWI silver: 4×100 m medley relay (swam in heats only)
Yevgeny Sadovy	EUN	SWI	1992	4–1–0 1991 Athina SWI gold: 400 m freestyle and 4×200 m freestyle relay (competed for the Soviet Union); 1993 Sheffield SWI gold: 4×100 m freestyle relay and 4×200 m freestyle relay, silver: 200 m freestyle (competed for Russia)
Kateryna Sadurska	UKR	SWA	2016	2–5–2 2010 Budapest SYN bronze: team Free and team Free Routine Combination; 2012 Eindhoven SYN silver: team Free and team Free Routine Combination; 2014 Berlin SYN gold: team Free Routine Combination, silver: team Free; 2016 London SYN gold: team Free, silver: team Technical and team Free Routine Combination
María Dolores Sáez de Ibarra	ESP	DIV	1996—2004	0–2–1 1997 Sevilla DIV bronze: synchronized springboard; 1999 İstanbul DIV silver: platform; 2004 Madrid DIV silver: synchronized platform
Mikhail Safonov	URS	DIV	1964—1968	1–0–0 1966 Utrecht DIV gold: 3 m springboard
Leonid Sagayduk	URS	SWI	1952	1–0–0 1958 Budapest SWI gold: 4×100 m medley relay (swam in heats only)
Mojca Sagmeister	SLO	SWI	2012	0–0–1 2012 Debrecen SWI bronze: 4×200 m freestyle relay
Vladimir Salnikov	URS	SWI	1976—1988	5–1–0 1977 Jönköping SWI gold: 1500 m freestyle; 1981 Split SWI SWI gold: 1500 m freestyle and 4×200 m freestyle relay, silver: 400 m freestyle; 1983 Roma SWI gold: 400 m freestyle and 1500 m freestyle
Jamie Salter	GBR	SWI	1996—2000	1–1–0 1997 Sevilla SWI gold: 4×200 m freestyle relay; 1999 İstanbul SWI silver: 4×200 m freestyle relay
Matea Samardžić	CRO	SWI	2016	0–0–1 2016 London SWI bronze: 200 m backstroke
Panagiotis Samilidis	GRE	SWI	2010—2016	0–0–2 2012 Debrecen SWI bronze: 50 m breaststroke and 200 m breaststroke
Aleksandr Samsonov	URS	SWI	1972	1–3–1 1970 Barcelona SWI silver: 4×200 m freestyle relay; 1974 Wien SWI gold: 400 m freestyle, silver: 4×100 m freestyle relay and 4×200 m freestyle relay, bronze: 200 m freestyle
Judy Samuel	GBR	SWI	1960	0–1–0 1958 Budapest SWI silver: 4×100 m freestyle relay
Daniela Samulski	GER	SWI	2000—2008	3–2–1 2002 Berlin SWI gold: 4×100 m medley relay (swam in heats only), silver: 50 m butterfly; 2006 Budapest SWI gold: 4×200 m freestyle relay; 2010 Budapest SWI gold: 4×100 m freestyle relay, silver: 50 m backstroke, bronze: 4×100 m medley relay
Paval Sankovich	BLR	SWI	2008—2016	0–0–1 2014 Berlin SWI bronze: 100 m butterfly
Anna Santamans	FRA	SWI	2010—2016	0–0–2 2014 Berlin SWI bronze: 4×100 m freestyle mixed relay; 2016 London SWI bronze: 4×100 m freestyle mixed relay
Alexis Santos	POR	SWI	2010—2016	0–0–1 2016 London SWI bronze: 200 m medley
Leire Santos	ESP	DIV	2000—2004	0–1–0 2004 Madrid DIV silver: synchronized platform
Rubén Santos	ESP	DIV	2000	0–1–0 1997 Sevilla DIV silver: synchronized springboard
Michele Santucci	ITA	SWI	2008—2016	0–1–0 2012 Debrecen SWI silver: 4×100 m freestyle relay
Alicia Sanz (DNS)	ESP	SWA	2004	1–2–0 2002 Berlin SYN silver: team; 2004 Madrid SYN gold: team Free Routine Combination, silver: team Free
Lev Sargsyan	ARM	DIV	2014	0–0–1 2018 Glasgow DIV bronze: synchronized platform
Dmitry Sautin	RUS EUN	DIV	1992—2008	12–4–2 1991 Athina DIV silver: platform (competed for the Soviet Union); 1993 Sheffield DIV gold: platform, silver: 3 m springboard (competed for Russia); 1995 Wien DIV gold: 3 m springboard and platform (competed for Russia); 1997 Sevilla DIV gold: 3 m springboard (competed for Russia); 1999 İstanbul DIV gold: platform (competed for Russia); 2000 Helsinki DIV gold: 3 m springboard, platform, and synchronized platform, silver: synchronized springboard (competed for Russia); 2002 Berlin DIV gold: 3 m springboard and synchronized springboard (competed for Russia); 2006 Budapest DIV gold: 3 m springboard, silver: synchronized springboard (competed for Russia); 2008 Eindhoven DIV gold: 3 m springboard and synchronized springboard (competed for Russia); 2010 Budapest DIV bronze: synchronized springboard (competed for Russia)
Anastasiya Savchuk	UKR	SWA	2016	3–7–0 2014 Berlin SYN gold: team Free Routine Combination, silver: team Free; 2016 London SYN gold: team Free, silver: team Technical and team Free Routine Combination; 2018 Glasgow SYN gold: team Free Routine Combination, silver: duet Free, duet Technical, team Free, and team Technical
Tatyana Savelyeva	URS	SWI	1964—1968	0–1–0 1966 Utrecht SWI silver: 4×100 m medley relay (swam in heats only)
Cinzia Savi Scarponi	ITA	SWI	1980	0–0–1 1983 Roma SWI bronze: 100 m butterfly
Sara Savoia	ITA	SWA	2004	0–1–0 2004 Madrid SYN silver: team Free Routine Combination
Mateusz Sawrymowicz	POL	SWI	2008—2016	0–0–1 2008 Eindhoven SWI bronze: 1500 m freestyle
Michele Scarica	ITA	SWI	2004	1–0–1 2002 Berlin SWI bronze: 4×100 m freestyle relay; 2004 Madrid SWI gold: 4×100 m freestyle relay (swam in heats only)
Stans Scheffer	NED	SWI	1936	0–0–1 1938 London SWI bronze: 100 m backstroke
Tobias Schellenberg	GER	DIV	2004	2–2–1 2000 Helsinki DIV gold: synchronized springboard; 2002 Berlin DIV silver: synchronized springboard; 2004 Madrid DIV bronze: 1 m springboard; 2006 Budapest DIV gold: synchronized springboard; 2008 Eindhoven DIV silver: synchronized springboard
Gerlind Scheller	FRG	SWA	1984—1988	0–1–1 1983 Roma SYN silver: duet, bronze: team
Chantal Schertz	FRA	SWI	1972—1976	0–0–1 1974 Wien SWI bronze: 4×100 m freestyle relay
Gerhard Schiller	FRG	SWI	1972	4–1–0 1970 Barcelona SWI gold: 4×200 m freestyle relay (swam in heats only), silver: 4×100 m freestyle relay; 1974 Wien SWI gold: 4×100 m freestyle relay, 4×200 m freestyle relay (swam in heats only), and 4×100 m medley relay (swam in heats only)
Olaf von Schilling	FRG	SWI	1968—1972	1–0–0 1970 Barcelona SWI gold: 4×200 m freestyle relay
Corrie Schimmel	NED	SWI	1960	1–1–0 1958 Budapest SWI gold: 4×100 m freestyle relay, silver: 400 m freestyle
Heinz Schlauch	GER	SWI	1936	1–0–0 1938 London SWI gold: 100 m backstroke
Svenja Schlicht	FRG	SWI	1984—1988	0–1–5 1983 Roma SWI bronze: 4×100 m medley relay; 1987 Strasbourg SWI silver: 100 m backstroke, bronze: 200 m backstroke, 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay
Edsard Schlingemann	NED	SWI	1984	0–0–1 1985 Sofia SWI bronze: 4×200 m freestyle relay
Conny Schmalfuß	GER	DIV	2000—2004	2–4–4 1991 Athina DIV bronze: 1 m springboard; 1995 Wien DIV silver: platform; 1997 Sevilla DIV gold: synchronized springboard; 1999 İstanbul DIV silver: synchronized springboard, bronze: 1 m springboard and 3 m springboard; 2000 Helsinki DIV silver: synchronized springboard; 2002 Berlin DIV gold: synchronized springboard, bronze: 3 m springboard; 2004 Madrid DIV silver: synchronized springboard
Andreas Schmidt	FRG	SWI	1976—1984	2–3–1 1977 Jönköping SWI gold: 4×100 m freestyle relay, silver: 4×200 m freestyle relay (swam in heats only); 1981 Split SWI silver: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay; 1983 Roma SWI gold: 4×200 m freestyle relay, silver: 4×100 m medley relay
Carmela Schmidt	GDR	SWI	1980	2–1–0 1981 Split SWI gold: 200 m freestyle and 800 m freestyle, silver: 400 m freestyle
Ingrid Schmidt	GER	SWI	1960—1964	1–0–0 1962 Leipzig SWI gold: 4×100 m medley relay (competed for East Germany)
Petra Schneider	GDR	SWI	1980	1–2–0 1981 Split SWI gold: 400 m medley, silver: 200 m medley; 1983 Roma SWI silver: 400 m medley
Gabriele Schöpe	GER	DIV	1960	0–0–2 1962 Leipzig DIV bronze: platform (competed for East Germany); 1966 Utrecht DIV bronze: platform (competed for East Germany)
Franck Schott	FRA	SWI	1988—1996	0–2–1 1989 Bonn SWI silver: 4×100 m medley relay; 1991 Athina SWI silver: 4×100 m medley relay, bronze: 100 m backstroke
Bob Schoutsen	NED	SWI	1968—1972	0–0–1 1970 Barcelona SWI bronze: 100 m backstroke
Alexander Schowtka	FRG	SWI	1984	4–0–0 1983 SWI Roma gold: 4×200 m freestyle relay; 1985 Sofia SWI gold: 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay
Hilde Schrader	GER	SWI	1928	1–0–0 1927 Bologna SWI gold: 200 m breaststroke
Daniela Schreiber	GER	SWI	2012	3–0–2 2010 Budapest SWI gold: 4×100 m freestyle relay, bronze: 4×100 m medley relay (swam in heats only); 2012 Debrecen SWI gold: 4×100 m freestyle relay and 4×100 m medley relay (swam in heats only), bronze: 100 m freestyle
Hinkelien Schreuder	NED	SWI	2008—2012	1–4–1 2006 Budapest SWI silver: 4×100 m freestyle relay (swam in heats only); 2008 Eindhoven SWI gold: 4×100 m freestyle relay (swam in heats only), silver: 50 m freestyle, bronze: 4×100 m medley relay; 2010 Budapest SWI silver: 50 m freestyle; 2012 Debrecen SWI silver: 50 m freestyle
Karl Schubert	GER	SWI	1928	0–1–0 1931 Paris SWI silver: 4×200 m freestyle relay
Brigitte Schuchardt	GDR	SWI	1972	1–1–0 1970 Barcelona SWI gold: 4×100 m medley relay, silver: 400 m medley
Karine Schuler	FRA	SWA	1988—1992	5–1–0 1985 Sofia SYN gold: team; 1987 Strasbourg SYN gold: duet and team; 1989 Bonn SYN gold: duet and team, silver: solo
Susanne Schuster	FRG	SWI	1984	0–2–3 1981 Split SWI silver: 4×100 m freestyle relay; 1983 Roma SWI bronze: 4×100 m freestyle relay; 1985 Sofia SWI silver: 4×100 m freestyle relay; 1987 Strasbourg SWI bronze: 4×100 m medley relay; 1989 Bonn SWI bronze: 4×100 m freestyle relay
Heiko Schwartz	GER	SWI/WAP	1932—1936	0–1–0 1934 Magdeburg SWI silver: 4×200 m freestyle relay
Barbara Schwarzfeldt	FRG	SWI	1972	0–1–1 1974 Wien SWI silver: 4×100 m medley relay (swam in heats only), bronze: 200 m butterfly
Ben Schwietert	NED	SWI	2016	2–0–0 2016 London SWI gold: 4×200 m freestyle relay (swam in heats only) and 4×100 m freestyle mixed relay
Duncan Scott	GBR	SWI	2014—2016	5–1–0 2016 London SWI gold: 4×100 m medley relay and 4×100 m medley mixed relay (swam in heats only); 2018 Glasgow SWI gold: 200 m freestyle, 4×200 m freestyle relay, and 4×100 m medley relay, silver: 100 m freestyle
Fabio Scozzoli	ITA	SWI	2012	3–3–2 2010 Budapest SWI gold: 50 m breaststroke, bronze: 100 m breaststroke; 2012 Debrecen SWI gold: 100 m breaststroke and 4×100 m medley relay, silver: 50 m breaststroke; 2016 London SWI silver: 4×100 m medley mixed relay (swam in heats only); 2018 Glasgow SWI silver: 50 m breaststroke, bronze: 4×100 m medley mixed relay
Olga Sedakova	RUS EUN	SWA	1992—1996	9–0–0 1991 Athina SYN gold: solo, duet, and team (competed for the Soviet Union); 1993 Sheffield SYN gold: solo, duet, and team (competed for Russia); 1995 Wien SYN gold: solo and team (competed for Russia); 1997 Sevilla SYN gold: solo (competed for Russia)
Francesca Segat	ITA	SWI	2004	0–1–1 2006 Budapest SWI silver: 200 m butterfly; 2008 Eindhoven SWI bronze: 4×200 m freestyle relay (swam in heats only)
Mirjana Šegrt	YUG	SWI	1968	0–3–0 1970 Barcelona SWI silver: 100 m freestyle, 200 m freestyle, and 200 m butterfly
Elke Sehmisch	GDR	SWI	1972	2–0–0 1970 Barcelona SWI gold: 400 m freestyle and 4×100 m freestyle relay
Karin Seick	FRG	SWI	1984—1988	0–2–6 1977 Jönköping SWI bronze: 4×100 m medley relay; 1981 Split SWI silver: 4×100 m freestyle relay, bronze: 100 m butterfly and 4×100 m medley relay; 1983 Roma SWI bronze: 4×100 m freestyle relay and 4×100 m medley relay; 1985 Sofia SWI silver: 4×100 m freestyle relay; 1987 Strasbourg SWI bronze: 4×100 m freestyle relay
Jopie Selbach	NED	SWI	1936	1–0–0 1934 Magdeburg SWI gold: 4×100 m freestyle relay
Vladimir Selkov	RUS EUN	SWI	1992—1996	9–3–1 1989 Bonn SWI silver: 200 m backstroke (competed for the Soviet Union); 1991 Athina SWI gold: 4×100 m medley relay, silver: 200 m backstroke (competed for the Soviet Union); 1993 Sheffield SWI gold: 200 m backstroke and 4×100 m medley relay, silver: 100 m backstroke (competed for Russia); 1995 Wien SWI gold: 100 m backstroke, 200 m backstroke, and 4×100 m medley relay (competed for Russia); 1997 Sevilla SWI gold: 200 m backstroke and 4×100 m medley relay, bronze: 100 m backstroke (competed for Russia); 2000 Helsinki SWI gold: 4×100 m medley relay (swam in heats only) (competed for Russia)
Ezio Selva	ITA	DIV	1928	0–0–1 1927 Bologna DIV bronze: platform
Andrei Semeniuk	BLR	DIV	1996	1–0–0 1991 Athina DIV gold: 1 m springboard (competed for the Soviet Union)
Hanna-Maria Seppälä	FIN	SWI	2000—2016	0–1–1 2008 Eindhoven SWI silver: 100 m freestyle; 2016 London SWI bronze: 4×100 m medley relay
Svitlana Serbina	UKR	DIV	1996—2000	0–0–1 1997 Sevilla DIV bronze: platform
Andriy Serdinov	UKR	SWI	2000—2008	3–2–3 2000 Helsinki SWI bronze: 4×100 m medley relay; 2002 Berlin SWI silver: 100 m butterfly; 2004 Madrid SWI gold: 100 m butterfly and 4×100 m medley relay, bronze: 50 m butterfly; 2006 Budapest SWI gold: 100 m butterfly, silver: 4×100 m medley relay, bronze: 50 m butterfly
Ione Serrano	ESP	SWA	2004	1–1–0 2004 Madrid SYN gold: team Free Routine Combination, silver: team Free
Katy Sexton	GBR	SWI	2000—2004	0–0–1 1999 İstanbul SWI bronze: 4×100 m medley relay
Sara Sgarzi	ITA	SWA	2016	0–3–7 2006 Budapest SYN bronze: team Free and team Free Routine Combination; 2008 Eindhoven SYN silver: team Free and team Free Routine Combination; 2012 Eindhoven SYN bronze: team Free and team Free Routine Combination; 2014 Berlin SYN bronze: team Free Routine Combination; 2016 London SYN silver: team Free, bronze: team Technical and team Free Routine Combination
Kerry Shacklock	GBR	SWA	1992	0–0–2 1993 Sheffield SYN bronze: solo and duet
Viktor Sharygin	URS	SWI	1968—1972	0–0–1 1974 Wien SWI bronze: 4×100 m medley relay
Hanna Shcherba-Lorgeril	BLR FRA	SWI	2004—2008	0–2–0 2002 Berlin SWI silver: 200 m medley (competed as Anna Shcherba for Belarus); 2004 Madrid SWI silver: 200 m medley (competed as Anna Shcherba for Belarus)
Nicola Shearn	GBR	SWA	1988	1–1–0 1983 Roma SYN gold: team; 1985 Sofia SYN silver: team
Vladimir Shemetov	URS	SWI	1980	2–3–1 1981 Split SWI gold: 4×200 m freestyle relay, silver: 100 m backstroke and 200 m backstroke; 1983 Roma SWI gold: 4×100 m medley relay, silver: 100 m backstroke; 1987 Strasbourg SWI bronze: 4×100 m freestyle relay
Alison Sheppard	GBR	SWI	1988—2004	0–0–2 1999 İstanbul SWI bronze: 50 m freestyle and 4×100 m freestyle relay
Mark Shipman	GBR	DIV	2000—2004	0–0–1 1999 İstanbul DIV bronze: synchronized springboard
Alla Shishkina	RUS	SWA	2012—2016	5–0–0 2010 Budapest SYN gold: team Free and team Free Routine Combination; 2014 Berlin SYN gold: team Free; 2016 London SYN gold: team Technical and team Free Routine Combination
Nikita Shleykher	RUS	DIV	2016	1–1–3 2016 London DIV bronze: platform, bronze: synchronized springboard (mixed), synchronized platform (mixed); 2018 Edinburgh DIV gold: synchronized platform (mixed); 2018 Edinburgh silver: platform
Yuriy Shliakhov	UKR	DIV	2004—2008	0–0–1 2004 Madrid DIV bronze: synchronized springboard
Darya Shmelyova	RUS	SWI	1996	0–2–0 1993 Sheffield SWI silver: 200 m medley and 400 m medley
Anna Shorina	RUS	SWA	2004—2008	5–0–0 1999 İstanbul SYN gold: team (competed in technical prelim only); 2002 Berlin SYN gold: team; 2004 Madrid SYN gold: team Free; 2006 Budapest SYN gold: team Free and team Free Routine Combination
Mariya Shurochkina	RUS	SWA	2016	5–0–0 2014 Berlin SYN gold: team Free; 2016 London SYN gold: team Technical and team Free Routine Combination; 2018 Glasgow SYN gold: team Free and team Technical
Vladimir Shuvalov	URS	SWI	1964	1–1–0 1966 Utrecht SWI gold: 4×100 m medley relay (swam in heats only), silver: 4×100 m freestyle relay
Nataliya Shybaieva	EUN	SWI	1992	0–1–1 1985 Sofia SWI silver: 4×100 m medley relay, bronze: 100 m backstroke (competed for the Soviet Union)
Piermaria Siciliano	ITA	SWI	1992—1996	0–0–1 1995 Wien SWI bronze: 4×200 m freestyle relay
Julien Sicot	FRA	SWI	2004	0–1–3 1997 Sevilla SWI bronze: 50 m freestyle; 2004 Madrid SWI silver: 4×100 m medley relay, bronze: 4×100 m freestyle relay; 2006 Budapest SWI bronze: 4×100 m freestyle relay (swam in heats only)
Irina Sidorova	URS	DIV	1980	0–1–0 1985 Sofia DIV silver: 3 m springboard
Wolfgang Sieber	GER	SWI	1960	0–0–1 1962 Leipzig SWI bronze: 200 m butterfly (competed for East Germany)
Mariusz Siembida	POL	SWI	1996—2000	0–0–2 1997 Sevilla SWI bronze: 4×100 m medley relay; 1999 İstanbul SWI bronze: 50 m backstroke
Erwin Sietas	GER	SWI	1928—1936	1–1–1 1931 Paris SWI bronze: 200 m breaststroke; 1934 Magdeburg SWI gold: 200 m breaststroke; 1938 London SWI silver: 200 m breaststroke
Jani Sievinen	FIN	SWI	1992—2004	5–2–2 1993 Sheffield SWI gold: 200 m medley, silver: 400 m medley; 1995 Wien SWI gold: 200 m freestyle, 200 m medley, and 400 m medley; 1997 Sevilla SWI bronze: 200 m medley; 1999 İstanbul SWI bronze: 200 m medley; 2002 Berlin SWI gold: 200 m medley; 2004 Madrid SWI silver: 200 m medley
Coby Sikkens	NED	SWI	1968	1–0–0 1966 Utrecht SWI gold: 4×100 m medley relay
Pauline Sillett	GBR	SWI	1964	0–0–2 1966 Utrecht SWI bronze: 100 m freestyle and 4×100 m medley relay
Lizzie Simmonds	GBR	SWI	2008—2012	4–2–1 2006 Budapest SWI gold: 4×100 m medley relay (swam in heats only); 2008 Eindhoven SWI gold: 4×100 m medley relay; 2010 Budapest SWI gold: 200 m backstroke and 4×100 m medley relay (swam in heats only), silver: 100 m backstroke; 2014 Berlin SWI silver: 200 m backstroke, bronze: 4×100 m medley relay (swam in heats only)
Maria Laura Simonetto	ITA	SWI	2008	0–1–0 2008 Eindhoven SWI silver: 4×100 m freestyle relay
Edward Sinclair	GBR	SWI	2000	0–1–0 1999 İstanbul SWI silver: 4×200 m freestyle relay
Karin Singer	SUI	SWA	1984—1988	0–1–6 1981 Split SYN bronze: team; 1987 Strasbourg SYN silver: duet, bronze: solo and team; 1989 Bonn SYN bronze: solo, duet, and team
Margit Sipos	HUN	SWI	1928	0–0–1 1931 Paris SWI bronze: 4×100 m freestyle relay
Cornelia Sirch	GDR	SWI	1988	6–2–0 1983 Roma SWI gold: 200 m backstroke, 4×100 m freestyle relay, and 4×200 m freestyle relay, silver: 100 m backstroke; 1985 Sofia SWI gold: 200 m backstroke, silver: 400 m medley; 1987 Strasbourg SWI gold: 200 m backstroke and 200 m medley
Peter Sitt	GER FRG	SWI	1988—1992	2–2–0 1987 Strasbourg SWI gold: 4×200 m freestyle relay, silver: 4×100 m freestyle relay (competed for West Germany); 1989 Bonn SWI gold: 4×100 m freestyle relay, silver: 4×200 m freestyle relay (competed for West Germany)
Johanna Sjöberg	SWE	SWI	1996—2004	3–6–4 1997 Sevilla SWI silver: 4×200 m freestyle relay, bronze: 100 m butterfly; 1999 İstanbul SWI gold: 4×100 m medley relay; 1999 İstanbul silver: 50 m butterfly; 1999 İstanbul silver: 100 m butterfly; 1999 İstanbul silver: 4×200 m freestyle relay; 2000 Helsinki gold: 4×100 m freestyle relay; 2000 Helsinki gold: 4×100 m medley relay; 2000 Helsinki bronze: 100 m butterfly; 2002 Berlin silver: 4×100 m freestyle relay; 2002 Berlin silver: 4×100 m medley relay; 2002 Berlin bronze: 4×200 m freestyle relay; 2004 Madrid bronze: 4×100 m freestyle relay
Simon Sjödin	SWE	SWI	2008—2016	0–0–1 2008 Eindhoven SWI bronze: 4×100 m medley relay
Ingeborg Sjöqvist	SWE	DIV	1932—1936	0–2–0 1931 Paris DIV silver: platform; 1934 Magdeburg DIV silver: platform
Sarah Sjöström	SWE	SWI	2008—2016	14–6–3 2008 Eindhoven SWI gold: 100 m butterfly, bronze: 4×100 m freestyle relay (swam in heats only); 2010 Budapest SWI gold: 100 m butterfly, silver: 4×100 m medley relay, bronze: 4×100 m freestyle relay; 2012 Debrecen SWI gold: 100 m freestyle and 50 m butterfly, silver: 4×100 m freestyle relay; 2014 Berlin SWI gold: 100 m freestyle, 50 m butterfly, and 4×100 m freestyle relay, silver: 50 m freestyle, 100 m butterfly, 4×200 m freestyle relay, and 4×100 m medley relay; 2016 London SWI gold: 100 m freestyle, 50 m butterfly, and 100 m butterfly, bronze: 4×100 m freestyle relay; 2018 Glasgow SWI gold: 50 m freestyle, 100 m freestyle, 50 m butterfly, and 100 m butterfly
Boris Škanata	YUG	SWI	1948—1952	0–0–1 1950 Wien SWI bronze: 100 m backstroke
Sophia Skou	DEN	SWI	1996—2000	0–0–1 1995 Wien SWI bronze: 200 m butterfly
Marta Skupilová	TCH	SWI	1956	0–0–1 1958 Budapest SWI bronze: 100 m butterfly
Nikolay Skvortsov	RUS	SWI	2004—2012	2–4–3 2004 Madrid SWI silver: 50 m butterfly, bronze: 100 m butterfly; 2006 Budapest SWI gold: 4×100 m medley relay, bronze: 100 m butterfly and 200 m butterfly; 2008 Eindhoven SWI gold: 4×100 m medley relay (swam in heats only), silver: 200 m butterfly; 2010 Budapest SWI silver: 200 m butterfly and 4×100 m medley relay (swam in heats only)
Betty Slade	GBR	DIV	1936	1–0–0 1938 London DIV gold: 3 m springboard
Jill Slattery	GBR	SWI	1964—1968	0–0–1 1966 Utrecht SWI bronze: 200 m breaststroke
Roman Sludnov	RUS	SWI	2000—2012	3–2–1 2002 Berlin SWI gold: 4×100 m medley relay, silver: 100 m breaststroke, bronze: 200 m breaststroke; 2006 Budapest SWI gold: 100 m breaststroke and 4×100 m medley relay, silver: 4×100 m medley relay
Britt-Marie Smedh	SWE	SWI	1972	0–0–1 1974 Wien SWI bronze: 4×100 m medley relay (swam in heats only)
Andrey Smirnov	URS	SWI	1976	1–3–1 1974 Wien SWI silver: 4×100 m freestyle relay (swam in heats only), bronze: 400 m medley; 1977 Jönköping SWI gold: 4×200 m freestyle relay (swam in heats only), silver: 200 m medley and 400 m medley
Sergey Smiryagin	URS	SWI	1980	3–0–1 1981 Split SWI gold: 4×100 m freestyle relay; 1983 Roma SWI gold: 4×100 m freestyle relay and 4×100 m medley relay, bronze: 100 m freestyle
Minouche Smit	NED	SWI	1996	0–1–0 1995 Wien SWI silver: 4×200 m freestyle relay
Amy Smith	GBR	SWI	2012	1–1–0 2010 Budapest SWI gold: 4×100 m medley relay, silver: 4×100 m freestyle relay
George Smith	CAN	SWI	1968	0–1–0 1995 Wien SWI silver: 1500 m freestyle
Martin Smith	GBR	SWI	1976—1980	0–0–1 1977 Jönköping SWI bronze: 4×100 m medley relay
Michelle Smith	IRL	SWI	1988—1996	4–3–0 1995 Wien SWI gold: 200 m butterfly and 200 m medley, silver: 400 m medley; 1997 Sevilla SWI gold: 200 m freestyle and 400 m medley, silver: 400 m freestyle and 200 m butterfly
Ingvild Snildal	NOR	SWI	2008—2012	1–0–1 2012 Debrecen SWI gold: 100 m butterfly, bronze: 50 m butterfly
Ihor Snitko	UKR	SWI	1996—2000	1–1–1 1997 Sevilla SWI silver: 1500 m freestyle; 1999 İstanbul SWI gold: 1500 m freestyle; 2011 Eilat SWI bronze: 10 km
Chris Snode	GBR	DIV	1976—1984	0–0–1 1983 Roma DIV bronze: 3 m springboard
Werner Sobek	GER	DIV	1952	0–1–1 1950 Wien DIV silver: platform, bronze: 3 m springboard (competed for West Germany)
Michael Söderlund	SWE	SWI	1980—1988	0–2–3 1981 Split SWI silver: 200 m freestyle, bronze: 4×200 m freestyle relay; 1985 Sofia SWI silver: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay; 1987 Strasbourg SWI bronze: 4×200 m freestyle relay
Lini Söhnchen	GER	DIV	1928	0–1–0 1927 Bologna DIV silver: 3 m springboard
Vitaly Sorokin	URS	SWI	1956—1960	1–0–0 1958 Budapest SWI gold: 4×200 m freestyle relay (swam in heats only)
Hanna Sorokina	UKR	DIV	2000—2004	1–0–1 1999 İstanbul DIV gold: synchronized springboard; 2000 Helsinki DIV bronze: synchronized springboard
Csaba Sós	HUN	SWI	1972—1980	0–0–1 1977 Jönköping SWI bronze: 400 m medley
Tamara Sosnova	URS	SWI	1968	1–0–1 1966 Utrecht SWI gold: 4×100 m freestyle relay, bronze: 400 m freestyle
Yelena Soya	RUS	SWA	2000	2–0–0 1999 İstanbul SYN gold: team; 2000 Helsinki SYN gold: team
Renata Spagnolo	ITA	SWI	2008	0–0–1 2008 Eindhoven SWI bronze: 4×200 m freestyle relay
Torsten Spanneberg	GER	SWI	2000—2004	2–3–1 1995 Wien SWI gold: 4×200 m freestyle relay, silver: 100 m freestyle and 4×100 m freestyle relay, bronze: 50 m freestyle; 1997 Sevilla SWI silver: 4×100 m freestyle relay; 2002 Berlin SWI gold: 4×100 m freestyle relay
Metka Sparavec	SLO	SWI	1996	0–0–1 1999 İstanbul SWI bronze: 50 m backstroke
Beatrice Spaziani	ITA	SWA	2004	0–1–2 2002 Berlin SYN bronze: team; 2004 Madrid SYN silver: team Free Routine Combination, bronze: team Free
Brenda Spaziani	ITA	DIV	2012	0–0–1 2004 Madrid DIV bronze: synchronized platform
Rolf Sperling	GDR GER	DIV	1960—1968	0–1–0 1962 Leipzig DIV silver: platform (competed for East Germany)
Olga Šplíchalová	CZE TCH	SWI	1992—1996	1–0–1 1993 Slapy SWI gold: 5 km (competed for the Czech Republic); 1993 Sheffield SWI bronze: 800 m freestyle (competed for the Czech Republic)
Gemma Spofforth	GBR	SWI	2008—2012	2–1–0 2010 Budapest SWI gold: 100 m backstroke and 4×100 m medley relay, silver: 200 m backstroke
Niki Stajkovic	AUT	DIV	1972—1992	0–1–1 1981 Split DIV bronze: 3 m springboard; 1987 Strasbourg DIV silver: 3 m springboard
Benjamin Stasiulis	FRA	SWI	2008—2012	0–2–1 2010 Budapest SWI bronze: 200 m backstroke; 2014 Berlin silver: 4×100 m medley relay (swam in heats only); 2016 London SWI silver: 4×100 m medley relay
Anzhela Stasyulevich	URS	DIV	1988	1–2–0 1983 Roma DIV silver: platform; ; 1985 Sofia DIV gold: platform; 1987 Strasbourg DIV silver: platform
Valery Statsenko	RUS EUN	DIV	1992—1996	0–1–0 1989 Bonn DIV silver: 1 m springboard (competed for the Soviet Union)
Alma Staudinger	AUT	DIV	1948	0–2–1 1947 Monte Carlo DIV silver: 3 m springboard, bronze: platform; 1950 Wien DIV silver: platform
Josef Staudinger	AUT	DIV	1928—1932	1–0–0 1931 Paris DIV gold: platform
Petra van Staveren	NED	SWI	1984	0–1–0 1983 Roma SWI silver: 4×100 m medley relay
Nadiya Stavko	URS	SWI	1976	0–1–0 1977 Jönköping SWI silver: 4×100 m medley relay (swam in heats only)
Marrit Steenbergen	NED	SWI	2016	2–0–1 2016 London SWI gold: 4×100 m freestyle relay and 4×100 m freestyle mixed relay (swam in heats only), bronze: 4×200 m freestyle relay (swam in heats only)
Federica Stefanelli	ITA	SWA	2004	0–1–1 2004 Madrid SYN silver: team Free Routine Combination; 2004 Madrid SYN bronze: team Free
Britta Steffen	GER	SWI	2000—2012	8–2–0 2002 Berlin SWI gold: 4×100 m freestyle relay (swam in heats only); 2006 Budapest SWI gold: 50 m freestyle, 100 m freestyle, 4×100 m freestyle relay and 4×200 m freestyle relay, silver: 4×100 m medley relay; 2012 Debrecen SWI gold: 50 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay, silver: 100 m freestyle
Boris Steimetz	FRA	SWI	2008	0–1–0 2010 Budapest SWI silver: 4×100 m freestyle relay (swam in heats only)
Klaus Steinbach	GER FRG	DOSB/SWI	1972—2006	5–2–2 1974 Wien SWI gold: 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay, silver: 200 m freestyle, bronze: 100 m freestyle; 1977 Jönköping SWI gold: 4×100 m freestyle relay and 4×100 m medley relay, silver: 4×200 m freestyle relay, bronze: 100 m backstroke
Pavol Steiner	TCH	WAP	1928	0–0–1 1931 Paris SWI bronze: 100 m freestyle
Lennart Stekelenburg	NED	SWI	2012	0–0–2 2010 Budapest SWI bronze: 50 m breaststroke and 4×100 m medley relay
Manuela Stellmach	GDR GER	SWI	1988—1992	9–6–0 1985 Sofia SWI gold: 4×100 m freestyle relay and 4×200 m freestyle relay, silver: 100 m freestyle and 200 m freestyle (competed for East Germany); 1987 Strasbourg SWI gold: 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay, silver: 100 m freestyle and 200 m freestyle (competed for East Germany); 1989 Bonn SWI gold: 200 m freestyle, 4×100 m freestyle relay, and 4×200 m freestyle relay, silver: 100 m freestyle (competed for East Germany); 1991 Athina SWI silver: 4×200 m freestyle relay (competed for Germany); 1993 Sheffield SWI gold: 4×100 m freestyle relay (competed for Germany)
Christin Steuer	GER	DIV	2004—2012	3–0–2 2006 Budapest DIV bronze: platform; 2010 Budapest DIV gold: platform, synchronized platform, and Team Event; 2012 Eindhoven DIV bronze: synchronized platform
Marijan Stipetić	YUG	SWI	1948	0–0–2 1947 Monte Carlo SWI bronze: 1500 m freestyle; 1950 Wien SWI bronze: 4×200 m freestyle relay
Velimir Stjepanović	SRB	SWI	2010—2016	2–1–0 2014 Berlin SWI gold: 200 m freestyle and 400 m freestyle; 2016 London SWI silver: 200 m freestyle
Hannah Stockbauer	GER	SWI	2000—2004	3–0–1 1999 İstanbul SWI gold: 800 m freestyle and 4×200 m freestyle relay; 2002 Berlin SWI gold: 4×200 m freestyle relay, bronze: 800 m freestyle
Patricia Stokkers	NED	SWI	1996	0–1–0 1995 Wien SWI silver: 4×200 m freestyle relay
Kyle Stolk	NED	SWI	2014—2016	2–1–0 2016 London SWI gold: 4×200 m freestyle relay and 4×100 m freestyle mixed relay (swam in heats only); 2018 Glasgow SWI silver: 4×100 m freestyle mixed relay (swam in heats only)
Evelyn Stolze	GDR	SWI	1972	1–1–1 1970 Barcelona SWI gold: 400 m medley, silver: 200 m medley, bronze: 200 m butterfly
Doris Storey	GBR	SWI	1936	0–1–0 1938 London SWI silver: 200 m breaststroke
Hermann Stork	GER	DIV	1936	1–0–0 1934 Magdeburg DIV gold: platform
Petar Stoychev	BUL	SWI	2000—2012	1–1–1 2004 Madrid SWI bronze: 25 km; 2011 Eilat SWI silver: 25 km; 2012 Piombino SWI gold: 25 km
Marko Strahija	CRO	SWI	1996—2008	0–0–1 2002 Berlin SWI bronze: 200 m backstroke
Vyacheslav Strakhov	URS	DIV	1972—1976	0–0–1 1974 Wien DIV bronze: 3 m springboard
Chantal Strasser	SUI	SWI	1996—2004	0–1–0 2000 Helsinki SWI silver: 800 m freestyle
Astrid Strauß	GDR	SWI	1988	8–4–0 1983 Roma SWI gold: 400 m freestyle, 800 m freestyle, 4×100 m freestyle relay, and 4×200 m freestyle relay, silver: 200 m freestyle; 1985 Sofia SWI gold: 400 m freestyle, 800 m freestyle; 1987 Strasbourg SWI gold: 4×200 m freestyle relay, silver: 400 m freestyle and 800 m freestyle; 1989 Bonn SWI gold: 4×200 m freestyle relay, silver: 800 m freestyle
Jérémy Stravius	FRA	SWI	2012—2016	4–4–2 2010 Budapest SWI gold: 4×100 m medley relay (swam in heats only), silver: 100 m backstroke, bronze: 4×200 m freestyle relay; 2012 Debrecen SWI gold: 4×100 m freestyle relay; 2014 Berlin SWI gold: 4×100 m freestyle relay, silver: 50 m backstroke, 100 m backstroke, and 4×100 m medley relay; 2016 London SWI bronze: 4×100 m freestyle mixed relay; 2018 Glasgow SWI gold: 4×100 m freestyle mixed relay
Luisa Striani	ITA	SWI	2000	0–2–0 2000 Helsinki SWI silver: 4×100 m freestyle relay and 4×200 m freestyle relay
Rainer Strohbach	GDR	SWI	1976—1980	0–0–1 1977 Jönköping SWI bronze: 4×200 m freestyle relay
Nataliya Strunnikova	URS	SWI	1980	0–1–0 1981 Split SWI silver: 4×100 m medley relay
Vladimir Struzhanov	URS	SWI	1956	1–0–0 1958 Budapest SWI gold: 4×200 m freestyle relay
Caroline Sturzenegger	SUI	SWA	1984	0–0–2 1977 Jönköping SYN bronze: team; 1981 Split SYN bronze: team
Petter Stymne	SWE	SWI	2008	1–0–0 2008 Eindhoven SWI gold: 4×100 m freestyle relay
Nora Subschinski	GER	DIV	2004—2016	4–1–2 2004 Madrid DIV gold: synchronized platform; 2006 Budapest DIV gold: synchronized platform; 2008 Eindhoven DIV gold: synchronized platform; 2010 Budapest DIV gold: synchronized platform; 2012 Eindhoven DIV bronze: synchronized platform; 2014 Berlin DIV silver: synchronized springboard, bronze: 3 m springboard
Aleksandr Sukhorukov	RUS	SWI	2008—2016	2–3–0 2008 Eindhoven SWI silver: 4×200 m freestyle relay; 2010 Budapest SWI gold: 4×100 m freestyle relay (swam in heats only) and 4×200 m freestyle relay; 2014 Berlin SWI silver: 4×100 m freestyle relay and 4×200 m freestyle relay
Glenn Surgeloose	BEL	SWI	2008—2016	0–1–2 2014 Berlin SWI bronze: 4×200 m freestyle relay; 2016 London SWI silver: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay
Nataliya Sutyagina	RUS	SWI	2000—2008	1–1–0 2004 Madrid SWI gold: 50 m butterfly; 2008 Eindhoven SWI silver: 4×100 m medley relay
Malin Svahnström	SWE	SWI	2000—2004	1–5–0 1997 Sevilla SWI silver: 4×100 m freestyle relay and 4×200 m freestyle relay; 1999 İstanbul SWI gold: 4×100 m medley relay, silver: 4×100 m freestyle relay and 4×200 m freestyle relay; 2002 Berlin SWI silver: 4×100 m freestyle relay (swam in heats only)
Elvi Svendsen	DEN	SWI	1936—1948	1–0–0 1947 Monte Carlo SWI gold: 4×100 m freestyle relay
Therese Svendsen	SWE	SWI	2012	0–0–1 2012 Debrecen SWI bronze: 4×100 m medley relay
Ellenor Svensson	SWE	SWI	1992	0–2–0 1993 Sheffield SWI silver: 4×100 m freestyle relay; 1995 Wien SWI silver: 4×100 m freestyle relay
Mats Svensson	SWE	SWI	1964	1–0–2 1962 Leipzig SWI gold: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay; 1966 Utrecht SWI bronze: 4×200 m freestyle relay (swam in heats only)
Jan Świtkowski	POL	SWI	2016	0–0–1 2018 Glasgow SWI bronze: 4×100 m freestyle relay
Kseniya Sydorenko	UKR	SWA	2008—2016	2–5–7 2008 Eindhoven SYN bronze: duet, team Free, and team Free Routine Combination; 2010 Budapest SYN bronze: duet, team Free, and team Free Routine Combination; 2012 Eindhoven SYN silver: team Free and team Free Routine Combination, bronze: duet; 2014 Berlin SYN gold: team Free Routine Combination, silver: team Free; 2016 London SYN gold: team Free, silver: team Technical and team Free Routine Combination
Oleksandr Sydorenko	URS	SWI	1980	1–0–1 1977 Jönköping SWI bronze: 200 m medley; 1981 Split SWI gold: 200 m medley
Denys Sylantiev	UKR	SWI	1996—2008	2–5–2 1995 Wien SWI silver: 100 m butterfly; 1997 Sevilla SWI silver: 100 m butterfly and 200 m butterfly; 1999 İstanbul SWI silver: 200 m butterfly, bronze: 100 m butterfly; 2002 Berlin SWI silver: 200 m butterfly, bronze: 100 m butterfly; 2004 Madrid SWI gold: 200 m butterfly and 4×100 m medley relay (swam in heats only)
Jess Sylvester	GBR	SWI	2008	0–1–0 2010 Budapest SWI silver: 4×100 m freestyle relay
Megan Sylvester	GBR	DIV	2010	0–0–1 2010 Budapest DIV bronze: synchronized platform
Graham Symonds	GBR	SWI	1956	0–0–1 1958 Budapest SWI bronze: 200 m butterfly
Ewa Synowska	POL	SWI	1992	0–0–1 1991 Athina SWI bronze: 400 m medley
Béla Szabados	HUN	SWI	1992—2000	0–1–2 1991 Athina SWI bronze: 4×100 m medley relay; 1993 Sheffield SWI silver: 4×100 m medley relay; 1997 Sevilla SWI bronze: 200 m freestyle
László Szabados	HUN	SWI	1932	1–0–0 1931 Paris SWI gold: 4×200 m freestyle relay
József Szabó	HUN	SWI	1988	1–1–1 1987 Strasbourg SWI gold: 200 m breaststroke, silver: 400 m medley; 1989 Bonn SWI bronze: 200 m breaststroke
Tünde Szabó	HUN	SWI	1992	0–2–0 1991 Athina SWI silver: 100 m backstroke and 200 m backstroke
Elemér Szathmáry	HUN	SWI	1948	0–0–2 1947 Monte Carlo SWI bronze: 100 m freestyle and 4×200 m freestyle relay
András Székely	HUN	SWI	1932	1–1–0 1931 Paris SWI gold: 4×200 m freestyle relay, silver: 100 m freestyle
Éva Székely	HUN	SWI	1948—1956	0–1–0 1947 Monte Carlo SWI silver: 200 m breaststroke
István Szentirmay	HUN	SWI	1968—1972	0–0–1 1966 Utrecht SWI bronze: 4×100 m medley relay
Nikolett Szepesi	HUN	SWI	2004—2008	0–0–1 2008 Eindhoven SWI bronze: 200 m backstroke
Géza Szigritz	HUN	SWI	1928	0–1–1 1926 Budapest SWI silver: 4×200 m freestyle relay; 1927 Bologna SWI bronze: 4×200 m freestyle relay
Liliána Szilágyi	HUN	SWI	2012—2016	0–1–0 2016 London SWI silver: 200 m butterfly
Katalin Szőke	HUN	SWI	1952—1956	2–0–0 1954 Torino SWI gold: 100 m freestyle and 4×100 m freestyle relay
Rafał Szukała	POL	SWI	1988—1996	2–2–1 1989 Bonn SWI gold: 100 m butterfly, silver: 200 m butterfly; 1991 Athina SWI silver: 200 m butterfly; 1993 Sheffield SWI gold: 100 m butterfly; 1995 Wien SWI bronze: 100 m butterfly
Inge Sørensen	DEN	SWI	1936	1–0–0 1938 London SWI gold: 200 m breaststroke
Lars Sørensen	DEN	SWI	1988—1992	1–0–0 1991 Athina SWI gold: 200 m medley
Aleksandr T'ut'ak'aevi	URS	SWI	1964	1–1–0 1966 Utrecht SWI gold: 4×100 m medley relay (swam in heats only), silver: 200 m breaststroke
Stacey Tadd	GBR	SWI	2012	1–0–0 2010 Budapest SWI gold: 4×100 m medley relay (swam in heats only)
Katalin Takács	HUN	SWI	1964	0–0–1 1962 Leipzig SWI bronze: 4×100 m freestyle relay
Christian Talli	FRA	SWI	1936	0–1–0 1938 London SWI silver: 4×200 m freestyle relay
Liam Tancock	GBR	SWI	2008—2012	0–1–2 2006 Budapest SWI bronze: 4×100 m medley relay; 2010 Budapest SWI silver: 50 m backstroke, bronze: 100 m backstroke
Grigory Tarasevich	RUS	SWI	2016	0–2–1 2016 London SWI silver: 100 m backstroke, bronze: 50 m backstroke; 2018 Glasgow SWI silver: 4×100 m medley mixed relay (swam in heats only)
Jean Taris	FRA	SWI	1928—1936	2–1–0 1931 Paris SWI silver: 400 m freestyle; 1934 Magdeburg SWI gold: 400 m freestyle and 1500 m freestyle
Ulrike Tauber	GDR	SWI	1976—1980	4–2–0 1974 Wien SWI gold: 200 m medley and 400 m medley, silver: 100 m backstroke and 200 m backstroke; 1977 Jönköping SWI gold: 200 m medley and 400 m medley
Veniamin Tayanovich	EUN	SWI	1992	2–0–1 1987 Strasbourg SWI bronze: 4×100 m freestyle relay (competed for the Soviet Union); 1991 Athina SWI gold: 4×100 m freestyle relay and 4×200 m freestyle relay (competed for the Soviet Union)
Leon Taylor	GBR	DIV	1996—2004	0–0–2 1999 İstanbul DIV bronze: synchronized platform; 2000 Helsinki DIV bronze: synchronized platform
Judit Temes	HUN	SWI	1948—1956	1–1–0 1954 Torino SWI gold: 4×100 m freestyle relay, silver: 100 m freestyle
Hannie Termeulen	NED	SWI	1948—1952	1–2–0 1947 Monte Carlo SWI silver: 100 m freestyle and 4×100 m freestyle relay; 1950 Wien SWI gold: 4×100 m freestyle relay
Erica Terpstra	NED	NOC*NSF/SWI	1960—2010	1–0–0 1962 Leipzig SWI gold: 4×100 m freestyle relay
Alessandro Terrin	ITA	SWI	2008	1–0–1 2006 Budapest SWI gold: 50 m breaststroke; 2008 Eindhoven SWI bronze: 50 m breaststroke
Khristina Thalassinidou	GRE URS	SWA	1988—2004	1–3–2 1987 Strasbourg SYN silver: team; 1989 Bonn SYN gold: solo, silver: team (competed as Krist'ine Palasinidi for the Soviet Union); 1991 Athina SYN silver: solo (competed for Greece); 1995 Wien SYN bronze: solo (competed for Greece); 2004 Madrid SYN bronze: team Free Routine Combination (competed for Greece)
Stev Theloke	GER	SWI	1996—2000	5–2–2 1999 İstanbul SWI gold: 50 m backstroke and 100 m backstroke, silver: 4×100 m medley relay; 2000 Helsinki SWI gold: 50 m backstroke; 2002 Berlin SWI gold: 100 m backstroke, silver: 50 m backstroke, bronze: 4×100 m medley relay; 2004 Madrid SWI gold: 50 m backstroke, bronze: 100 m backstroke
Laure Thibaud	FRA	SWA	2004	0–0–1 2004 Madrid SYN bronze: duet
Gisela Thidholm	SWE	SWI	1948	0–0–1 1950 Wien SWI bronze: 4×100 m freestyle relay
Colette Thomas	FRA	SWI	1948—1956	0–0–1 1950 Wien SWI bronze: 400 m freestyle
Laurie Thomassin	FRA	SWI	2004	1–0–0 2004 Madrid SWI gold: 4×100 m medley relay
Majken Thorup	DEN	SWI	2004	0–0–1 2004 Madrid SWI bronze: 50 m breaststroke
Petra Thümer	GDR	SWI	1976	3–0–0 1977 Jönköping SWI gold: 200 m freestyle, 400 m freestyle, and 800 m freestyle
Ineke Tigelaar	NED	SWI	1964	1–2–1 1962 Leipzig SWI gold: 4×100 m freestyle relay, silver: 400 m freestyle and 4×100 m medley relay, bronze: 100 m freestyle
Aleksandr Tikhonov	RUS	SWI	2008—2012	0–1–0 2008 Eindhoven SWI silver: 4×200 m freestyle relay (swam in heats only)
Anzhelika Timanina	RUS	SWA	2012	2–0–0 2010 Budapest SYN gold: team Free and team Free Routine Combination
Ans Timmermans	NED	SWI	1936	1–0–0 1934 Magdeburg SWI gold: 4×100 m freestyle relay
Pieter Timmers	BEL	SWI	2012—2016	0–1–2 2014 Berlin SWI bronze: 4×200 m freestyle relay; 2016 London SWI silver: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay
Vladimir Timoshinin	RUS URS	DIV	1988—1996	2–1–1 1989 Bonn DIV bronze: platform (competed for the Soviet Union); 1991 Athina DIV gold: platform (competed for the Soviet Union); 1995 Wien DIV gold: platform (competed for Russia); 1999 İstanbul DIV silver: synchronized platform (competed for Russia)
Svetlana Timoshinina	RUS	DIV	1996—2004	3–1–3 1993 Sheffield Gold: platform (competed as Svetlana Khokhlova); 1995 Wien DIV bronze: platform; 1999 İstanbul DIV gold: synchronized platform, bronze: platform; 2000 Helsinki DIV gold: platform, silver: synchronized platform; 2002 Berlin DIV bronze: synchronized platform
Yuliya Timoshinina	RUS	DIV	2016	2–1–2 2014 Berlin DIV gold: synchronized platform; 2016 London DIV bronze: synchronized platform (mixed); 2018 Edinburgh DIV gold: synchronized platform (mixed), silver: synchronized platform, bronze: Team Event
Paola Tirados	ESP	SWA	2000—2008	3–6–1 2000 Helsinki SYN bronze: duet; 2002 Berlin SYN silver: duet and team; 2004 Madrid SYN gold: team Free Routine Combination, silver: duet; 2006 Budapest SYN silver: duet, team Free, and team Free Routine Combination; 2008 Eindhoven SYN gold: team Free and team Free Routine Combination
Giedrius Titenis	LTU	SWI	2008—2016	0–1–3 2014 Berlin SWI silver: 50 m breaststroke, bronze: 100 m breaststroke and 200 m breaststroke; 2016 London SWI bronze: 100 m breaststroke
Tatyana Titova	URS	SWA	1988	0–1–1 1987 Strasbourg SYN silver: team, bronze: duet
Göran Titus	SWE	SWI	1988—1992	0–0–1 1991 Athina SWI bronze: 4×100 m freestyle relay
Joris Tjebbes	NED	SWI	1952	0–0–1 1950 Wien SWI bronze: 100 m freestyle
Volodymyr Tkachenko	URS	SWI	1988	2–0–2 1983 Roma SWI gold: 4×100 m freestyle relay; 1987 Strasbourg SWI bronze: 4×100 m freestyle relay; 1989 Bonn SWI gold: 50 m freestyle; 1991 Athina SWI bronze: 50 m freestyle
Ilaria Tocchini	ITA	SWI	1988—1996	0–2–0 1987 Strasbourg SWI silver: 4×100 m medley relay; 1995 Wien SWI silver: 100 m butterfly
Giovanni Tocci	ITA	DIV	2010—2016	0–2–0 2016 London DIV silver: 1 m springboard; 2018 Edinburgh silver: 1 m springboard
Mario Todorović	CRO	SWI	2008—2016	0–1–0 2008 Eindhoven SWI silver: 4×100 m medley relay
Gelena Topilina	RUS	SWA	2016	3–0–0 2014 Berlin SYN gold: team Free; 2016 London SYN gold: team Technical and team Free Routine Combination
Miguel Torres	ESP	SWI	1960—1968	0–1–0 1962 Leipzig SWI silver: 1500 m freestyle
Lois Toulson	GBR	DIV	2016	1–1–0 2018 Edinburgh DIV gold: synchronized platform, silver: synchronized platform (mixed)
Yakov Toumarkin	ISR	SWI	2010—2016	0–1–2 2012 Debrecen SWI bronze: 100 m backstroke and 200 m backstroke; 2016 London SWI silver: 200 m backstroke
Kira Toussaint	NED	SWI	2016	0–2–0 2018 Glasgow SWI silver: 4×100 m freestyle relay and 4×100 m freestyle mixed relay (swam in heats only)
Norbert Trandafir	ROU	SWI	2008—2016	0–0–1 2012 Debrecen SWI bronze: 100 m freestyle
Birgit Treiber	GDR	SWI	1976—1980	4–0–0 1977 Jönköping SWI gold: 100 m backstroke, 200 m backstroke, 4×100 m freestyle relay, and 4×100 m medley relay (swam in heats only)
Massimo Trevisan	ITA	SWI	1988—1992	1–0–0 1989 Bonn SWI gold: 4×200 m freestyle relay
Christian Tröger	GER	SWI	1992—2000	0–6–2 1993 Sheffield SWI silver: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay; 1995 Wien SWI silver: 4×100 m freestyle relay; 1997 Sevilla SWI silver: 4×100 m freestyle relay and 4×100 m medley relay; 1999 İstanbul SWI silver: 4×100 m medley relay, bronze: 4×100 m freestyle relay; 2000 Helsinki SWI silver: 4×100 m freestyle relay
Jopie Troost	NED	SWI	1960	1–0–0 1958 Budapest SWI gold: 4×100 m freestyle relay (swam in heats only)
Vyacheslav Troshin	URS	DIV	1980	0–1–0 1983 Roma DIV silver: platform
Larisa Tsaryova	URS	SWI	1976—1980	0–1–0 1977 Jönköping SWI silver: 4×100 m medley relay
Yauhen Tsurkin	BLR	SWI	2012—2016	1–0–1 2012 Debrecen SWI bronze: 50 m butterfly; 2014 Berlin SWI gold: 50 m butterfly
Zhanna Tsyrulnikova	URS	DIV	1980	2–0–0 1981 Split DIV gold: 3 m springboard; 1985 Sofia DIV gold: 3 m springboard
Karin Tülling	GDR	SWI	1972	0–0–1 1970 Barcelona SWI bronze: 400 m freestyle
György Tumpek	HUN	SWI	1956	1–1–0 1954 Torino SWI gold: 200 m butterfly; 1958 Budapest SWI silver: 4×100 m medley relay
Willy den Turk (DNS)	NED	SWI	1928	1–1–0 1927 Bologna SWI gold: 100 m backstroke, silver: 4×100 m freestyle relay
Rebecca Turner	GBR	SWI	2012	1–0–1 2014 Berlin SWI gold: 4×100 m medley mixed relay (swam in heats only), bronze: 4×100 m medley relay (swam in heats only)
Judit Turóczy	HUN	SWI	1964—1972	0–2–0 1966 Utrecht SWI silver: 100 m freestyle; 1970 Barcelona SWI silver: 4×100 m freestyle relay
Federico Turrini	ITA	SWI	2012—2016	0–0–2 2014 Berlin SWI bronze: 400 m medley; 2016 London SWI bronze: 400 m medley
Chloé Tutton	GBR	SWI	2016	1–0–1 2016 London SWI gold: 4×100 m medley relay, bronze: 100 m breaststroke
Gennady Udalov	URS	DIV	1952—1956	0–1–0 1954 Torino DIV silver: 3 m springboard
Raluca Udroiu	ROU	SWI	2000	0–0–1 2000 Helsinki SWI bronze: 4×100 m medley relay
Maria Ugolkova	SUI	SWI	2016	0–0–1 2018 Glasgow SWI bronze: 200 m medley
Lutz Unger	GDR	SWI	1972	1–0–2 1970 Barcelona SWI gold: 4×100 m medley relay, bronze: 4×100 m freestyle relay and 4×200 m freestyle relay
Eithan Urbach	ISR	SWI	1996—2000	0–1–1 1997 Sevilla SWI silver: 100 m backstroke; 1999 İstanbul SWI bronze: 100 m backstroke
Wiltrud Urselmann	GER	SWI	1960—1964	0–0–1 1958 Budapest SWI bronze: 200 m breaststroke (competed for West Germany)
Ivan Usov	RUS	SWI	2004	0–2–0 2004 Madrid SWI silver: 4×100 m freestyle relay and 4×100 m freestyle relay
Darya Ustinova	RUS	SWI	2016	1–1–1 2014 Berlin SWI bronze: 200 m backstroke; 2018 Glasgow SWI gold: 4×100 m medley relay (swam in heats only), silver: 200 m backstroke
Nataliya Ustinova	URS	SWI	1964—1968	1–0–0 1966 Utrecht SWI gold: 4×100 m freestyle relay
Bettina Ustrowski	GER	SWI	1992	1–0–1 1993 Sheffield SWI gold: 4×100 m medley relay, bronze: 100 m butterfly
Laila Vakil	GBR	SWA	1992	0–0–1 1993 Sheffield SYN bronze: duet
Gyula Válent	HUN	SWI	1948	0–1–0 1947 Monte Carlo SWI silver: 100 m backstroke
Jolijn van Valkengoed	NED	SWI	2008	0–0–1 2008 Eindhoven SWI bronze: 4×100 m medley relay
Jessica Vall	ESP	SWI	2016	0–2–1 2014 Berlin SWI bronze: 200 m breaststroke; 2016 London SWI silver: 200 m breaststroke; 2018 Glasgow SWI silver: 200 m breaststroke
Georges Vallerey, Jr.	FRA	SWI	1948	1–1–0 1947 Monte Carlo SWI gold: 100 m backstroke, silver: 4×200 m freestyle relay
Wilma van Hofwegen-van Rijn	NED	SWI	1996—2000	0–1–1 2000 Helsinki SWI silver: 50 m freestyle (competed as Wilma van Rijn); 2002 Berlin SWI bronze: 4×100 m freestyle relay (competed as Wilma van Hofwegen)
Nina Van Koeckhoven	BEL	SWI	2000	0–1–1 2000 Helsinki SWI silver: 4×100 m medley relay, bronze: 4×100 m freestyle relay
Louis Van Parijs	BEL	SWI	1928	0–1–1 1926 Budapest SWI silver: 200 m breaststroke; 1927 Bologna SWI bronze: 200 m breaststroke
Federico Vanelli	ITA	SWI	2016	1–1–0 2016 Hoorn SWI gold: 5 km team, silver: 5 km
Emmanuel Vanluchene	BEL	SWI	2012—2016	0–0–1 2014 Berlin SWI bronze: 4×200 m freestyle relay
Aliaksandr Varlamau	BLR	DIV	2004—2008	0–2–2 1997 Sevilla DIV silver: synchronized platform; 2002 Berlin DIV bronze: platform and synchronized platform; 2008 Eindhoven DIV silver: synchronized platform
Yuliya Vasilyeva	RUS	SWA	2000	2–0–0 1999 İstanbul SYN gold: team; 2000 Helsinki SYN gold: team
Vladimir Vasin	RUS URS	DIV	1964—2001	0–0–1 1970 Barcelona DIV bronze: 3 m springboard
Giacomo Vassanelli	ITA	SWI	2004	2–0–0 2004 Madrid SWI gold: 4×100 m freestyle relay; 2006 Budapest SWI gold: 4×100 m freestyle relay (swam in heats only)
Olga Vasyukova	RUS	SWA	2000	2–0–0 1999 İstanbul SYN gold: team; 2000 Helsinki SYN gold: team
Yelena Vaytsekhovskaya	URS	DIV	1976	0–1–1 1974 Wien DIV bronze: platform; 1977 Jönköping DIV silver: platform
Andreas Vazaios	GRE	SWI	2012—2016	1–0–0 2016 London SWI gold: 200 m medley
Mark Veens	NED	SWI	1996—2004	1–0–1 1997 Sevilla SWI bronze: 4×100 m freestyle relay; 1999 İstanbul SWI gold: 4×100 m freestyle relay
Marleen Veldhuis	NED	SWI	2004—2012	3–4–4 2002 Berlin SWI bronze: 4×100 m freestyle relay; 2004 Madrid SWI silver: 100 m freestyle and 4×100 m freestyle relay, bronze: 4×100 m medley relay; 2006 Budapest SWI silver: 100 m freestyle and 4×100 m freestyle relay, bronze: 50 m freestyle; 2008 Eindhoven SWI gold: 50 m freestyle, 100 m freestyle, and 4×100 m freestyle relay, bronze: 4×100 m medley relay
Ria van Velsen	NED	SWI	1960—1964	1–1–0 1962 Leipzig SWI gold: 100 m backstroke, silver: 4×100 m medley relay
Wilma van Velsen	NED	SWI	1980—1984	0–1–1 1981 Split SWI bronze: 4×100 m freestyle relay; 1983 Roma SWI silver: 4×100 m freestyle relay
Bas van Velthoven	NED	SWI	2008	0–0–1 2008 Eindhoven SWI bronze: 4×100 m freestyle relay
Tatyana Vereina-Karakashyants	URS	DIV	1952—1956	1–0–0 1954 Torino DIV gold: platform (competed as Tatyana Karakashiyants)
Oksana Verevka	RUS	SWI	2000—2004	1–0–0 1997 Sevilla SWI gold: 200 m medley
Raymonda Vergauwen	BEL	SWI	1952	1–0–0 1950 Wien SWI gold: 200 m breaststroke
Joeri Verlinden	NED	SWI	2012—2016	0–1–1 2010 Budapest SWI silver: 100 m butterfly, bronze: 4×100 m medley relay
Albán Vermes	HUN	SWI	1976—1980	0–1–0 1983 Roma SWI silver: 200 m breaststroke
Esmee Vermeulen	NED	SWI	2016	2–1–2 2014 Berlin SWI silver: 4×100 m freestyle relay; 2016 London SWI gold: 4×100 m freestyle relay (swam in heats only), bronze: 4×200 m freestyle relay; 2018 Loch Lomond SWI gold: 5 km team, bronze: 10 km
Dávid Verrasztó	HUN	SWI	2012—2016	3–2–0 2010 Budapest SWI silver: 400 m medley; 2012 Debrecen SWI silver: 400 m medley; 2014 Berlin SWI gold: 400 m medley; 2016 London SWI gold: 400 m medley; 2018 Glasgow SWI gold: 400 m medley
Evelyn Verrasztó	HUN	SWI	2004—2016	2–3–3 2008 Eindhoven SWI silver: 200 m medley; 2010 Budapest SWI gold: 4×200 m freestyle relay, silver: 200 m medley; 2012 Debrecen SWI silver: 4×200 m freestyle relay, bronze: 200 m medley; 2014 Berlin SWI bronze: 4×200 m freestyle relay; 2016 London SWI gold: 4×200 m freestyle relay, bronze: 4×100 m medley mixed relay
Zoltán Verrasztó	HUN	SWI	1972—1980	1–2–1 1974 Wien SWI silver: 200 m backstroke, bronze: 100 m backstroke; 1977 Jönköping SWI gold: 200 m backstroke, silver: 100 m backstroke
Sebastiaan Verschuren	NED	SWI	2012—2016	3–1–2 2010 Budapest SWI bronze: 200 m freestyle and 4×100 m medley relay; 2016 London SWI gold: 200 m freestyle, 4×200 m freestyle relay, and 4×100 m freestyle mixed relay, silver: 100 m freestyle
Annemarie Verstappen	NED	SWI	1984	0–2–3 1981 Split SWI bronze: 4×100 m freestyle relay; 1983 Roma SWI silver: 4×100 m freestyle relay and 4×100 m medley relay, bronze: 4×200 m freestyle relay; 1985 Sofia SWI bronze: 4×100 m freestyle relay
Maicol Verzotto	ITA	DIV	2016	0–1–0 2016 London DIV silver: synchronized springboard (mixed)
Cecilia Vianini	ITA	SWI	1996—2004	0–2–0 2000 Helsinki SWI silver: 4×100 m freestyle relay and 4×200 m freestyle relay
Hugo Viart	FRA	SWI	2000	0–0–1 2000 Helsinki SWI bronze: 4×100 m freestyle relay
Branko Vidović	YUG	SWI	1948	0–0–1 1950 Wien SWI bronze: 4×200 m freestyle relay
Rie Vierdag	NED	SWI	1924—1932	2–1–0 1927 Bologna SWI gold: 100 m freestyle, silver: 4×100 m freestyle relay; 1931 Paris SWI gold: 4×100 m freestyle relay
Lorenza Vigarani	ITA	SWI	1988—1996	0–3–0 1987 Strasbourg SWI silver: 4×100 m medley relay; 1989 Bonn SWI silver: 4×100 m medley relay; 1993 Sheffield SWI silver: 200 m backstroke
Gilles Vigne	FRA	SWI	1972	0–1–0 1970 Barcelona SWI silver: 4×100 m medley relay (swam in heats only)
Larisa Viktorova	URS	SWI	1960	0–1–1 1958 Budapest SWI silver: 4×100 m medley relay, bronze: 100 m backstroke
Oleg Vikulov	RUS	DIV	2008	0–1–1 2004 Madrid DIV silver: synchronized platform; 2008 Eindhoven DIV bronze: synchronized platform
María Vilas	ESP	SWI	2016	0–0–1 2016 London SWI bronze: 1500 m freestyle
Erika Villaécija	ESP	SWI	2004—2016	2–3–2 2002 Berlin SWI silver: 4×200 m freestyle relay; 2004 Madrid SWI gold: 800 m freestyle and 4×200 m freestyle relay; 2008 Eindhoven SWI silver: 800 m freestyle and 1500 m freestyle; 2010 Budapest SWI bronze: 1500 m freestyle; 2012 Debrecen SWI bronze: 1500 m freestyle
Lorenzo Vismara	ITA	SWI	2000—2004	2–2–3 1999 İstanbul SWI silver: 50 m freestyle; 2000 Helsinki SWI bronze: 50 m freestyle; 2002 Berlin SWI silver: 50 m freestyle, bronze: 4×100 m freestyle relay; 2004 Madrid SWI gold: 4×100 m freestyle relay, bronze: 50 m freestyle; 2006 Budapest SWI gold: 4×100 m freestyle relay
Lisa Vitting	GER	SWI	2012	2–0–0 2010 Budapest SWI gold: 4×100 m freestyle relay; 2012 Debrecen SWI gold: 4×100 m freestyle relay
Kirsten Vlieghuis	NED	SWI	1996—2000	0–2–1 1995 Wien SWI silver: 4×200 m freestyle relay; 1999 İstanbul SWI silver: 800 m freestyle; 2000 Helsinki SWI bronze: 800 m freestyle
Nel van Vliet	NED	SWI	1948	1–0–0 1947 Monte Carlo SWI gold: 200 m breaststroke
Renate Vogel	GDR	SWI	1972	1–1–0 1974 Wien SWI gold: 4×100 m medley relay, silver: 100 m breaststroke
Julia Voitovitsch	GER	SWI	1996	1–0–0 1995 Wien SWI gold: 4×100 m medley relay
Stéfan Voléry	SUI	SWI	1980—1992	0–0–2 1985 Sofia SWI bronze: 100 m freestyle; 1987 Strasbourg SWI bronze: 50 m freestyle
Sandra Völker	GER	SWI	1992—2004	9–4–4 1993 Sheffield SWI gold: 4×100 m medley relay, bronze: 100 m backstroke; 1997 Sevilla SWI gold: 100 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay, silver: 50 m freestyle, bronze: 100 m backstroke; 1999 İstanbul SWI gold: 50 m backstroke, 100 m backstroke, and 4×100 m freestyle relay, silver: 4×100 m medley relay, bronze: 100 m freestyle; 2002 Berlin SWI gold: 4×100 m freestyle relay and 4×100 m medley relay, silver: 50 m backstroke and 100 m backstroke; 2004 Madrid SWI bronze: 50 m freestyle
Dmitry Volkov	URS EUN	SWI	1988—1992	4–2–1 1985 Sofia SWI gold: 200 m breaststroke, bronze: 100 m breaststroke (competed for the Soviet Union); 1987 Strasbourg SWI gold: 4×100 m medley relay, silver: 100 m breaststroke (competed for the Soviet Union); 1989 Bonn SWI gold: 4×100 m medley relay, silver: 100 m breaststroke (competed for the Soviet Union); 1991 Athina SWI gold: 4×100 m medley relay (competed for the Soviet Union)
Yelena Volkova	URS EUN	SWI	1988—1992	0–0–1 1989 Bonn SWI bronze: 200 m breaststroke (competed for the Soviet Union)
Roman Volodkov	UKR	DIV	1996—2004	2–1–3 1995 Wien DIV bronze: 3 m springboard; 1999 İstanbul DIVbronze: platform; 2000 Helsinki DIV silver: synchronized platform; 2002 Berlin DIV gold: synchronized platform; 2004 Madrid DIV gold: synchronized platform, bronze: platform
Anna Voloshyna	UKR	SWA	2016	2–10–3 2010 Budapest SYN bronze: team Free and team Free Routine Combination; 2012 Eindhoven SYN silver: team Free and team Free Routine Combination; 2014 Berlin SYN gold: team Free Routine Combination, silver: duet and team Free, bronze: solo; 2016 London SYN gold: team Free, silver: solo Technical, solo Free, duet Technical, duet Free, team Technical, and team Free Routine Combination
Oleksandr Volynets	UKR	SWI	2000—2004	0–1–1 2002 Berlin SWI bronze: 50 m freestyle; 2006 Budapest SWI silver: 50 m freestyle
Christian vom Lehn	GER	SWI	2010—2016	0–1–0 2012 Debrecen SWI silver: 4×100 m medley relay
Ulvi Voog	URS	SWI	1960	0–1–0 1958 Budapest SWI silver: 4×100 m medley relay
Atie Voorbij	NED	SWI	1960	1–1–0 1958 Budapest SWI gold: 4×100 m medley relay, silver: 100 m butterfly
Ferenc Vörös	HUN	SWI	1948	0–1–0 1947 Monte Carlo SWI silver: 1500 m freestyle
Elles Voskes	NED	SWI	1984	0–1–0 1983 Roma SWI silver: 4×100 m freestyle relay
Hans-Günther Vosseler	FRG	SWI	1972	1–0–0 1970 Barcelona SWI gold: 4×200 m freestyle relay (swam in heats only)
Arkady Vyachanin	RUS	SWI	2004—2012	5–1–1 2002 Berlin SWI gold: 4×100 m medley relay (swam in heats only); 2006 Budapest SWI gold: 100 m backstroke, 200 m backstroke, and 4×100 m medley relay; 2008 Eindhoven SWI gold: 4×100 m medley relay, silver: 200 m backstroke, bronze: 100 m backstroke
Jopie Waalberg	NED	SWI	1936	0–0–1 1938 London SWI bronze: 200 m breaststroke
Olive Wadham	GBR	SWI	1936	0–0–1 1938 London SWI bronze: 4×100 m freestyle relay
Wolfgang Wagner	GER	SWI	1960—1964	0–1–1 1958 Budapest SWI bronze: 100 m backstroke (competed for East Germany); 1962 Leipzig SWI silver: 200 m backstroke (competed for East Germany)
Norman Wainwright	GBR	SWI	1932—1948	0–0–3 1934 Magdeburg SWI bronze: 1500 m freestyle; 1938 London SWI bronze: 400 m freestyl and 4×200 m freestyle relay
Chris Walker-Hebborn	GBR	SWI	2012—2016	5–0–1 2014 Berlin SWI gold: 100 m backstroke, 4×100 m medley relay, and 4×100 m medley mixed relay, bronze: 50 m backstroke; 2016 London SWI gold: 4×100 m medley relay and 4×100 m medley mixed relay
Tim Wallburger	GER	SWI	2012	1–1–0 2010 Budapest SWI silver: 4×200 m freestyle relay; 2012 Debrecen SWI gold: 4×200 m freestyle relay
Christer Wallin	SWE	SWI	1988—1996	0–1–1 1995 Wien SWI silver: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay
Annika Walter	GER	DIV	1996	0–1–0 1997 Sevilla DIV silver: platform
Birgitta Wängberg	SWE	SWI	1956	0–0–1 1958 Budapest SWI bronze: 4×100 m freestyle relay (swam in heats only)
András Wanié	HUN	SWI	1928—1932	1–1–1 1926 Budapest SWI silver: 4×200 m freestyle relay; 1927 Bologna SWI bronze: 4×200 m freestyle relay; 1931 Paris SWI gold: 4×200 m freestyle relay
Rezső Wanié	HUN	SWI	1928	0–0–1 1927 Bologna SWI bronze: 4×200 m freestyle relay
Lutz Wanja	GDR	SWI	1972—1976	0–2–1 1974 Wien SWI silver: 100 m backstroke, bronze: 4×100 m freestyle relay; 1977 Jönköping SWI silver: 4×100 m medley relay
Mark Warnecke	GER FRG	SWI	1988—2000	2–2–1 1995 Wien SWI bronze: 4×100 m medley relay (competed for Germany); 1999 İstanbul SWI gold: 50 m breaststroke, silver: 100 m breaststroke and 4×100 m medley relay (competed for Germany); 2000 Helsinki SWI gold: 50 m breaststroke (competed for Germany)
Andreas Waschburger	GER	SWI	2012	0–3–1 2012 Piombino SWI silver: 5 km and 10 km, bronze: 5 km team; 2016 Hoorn SWI silver: 5 km team
Dieter Waskow	GDR	DIV	1976—1980	0–0–1 1981 Split DIV bronze: platform
Elena Wassen	GER	DIV	2016—2018	0–0–1 2018 Edinburgh DIV bronze: synchronized platform
Peter Waterfield	GBR	DIV	2000—2012	0–0–2 1999 İstanbul DIV bronze: synchronized platform; 2000 Helsinki DIV bronze: synchronized platform
Marie Wattel	FRA	SWI	2016	2–0–0 2018 Glasgow SWI gold: 4×100 m freestyle relay and 4×100 m freestyle mixed relay
Jutta Weber	FRG	SWI	1972—1976	0–1–1 1974 Wien SWI silver: 4×100 m medley relay; 1977 Jönköping SWI bronze: 4×100 m medley relay (competed as Jutta Meeuw)
Tino Weber	GER	SWI	1992	0–0–2 1989 Bonn SWI bronze: 200 m backstroke (competed for East Germany); 1995 Wien SWI bronze: 4×100 m medley relay
Ferry Weertman	NED	SWI	2016	5–0–0 2014 Berlin SWI gold: 10 km and 5 km team; 2016 Hoorn SWI gold: 10 km; 2018 Loch Lomond gold: 10 km and 5 km team
Bep Weeteling	NED	SWI	1964—1968	0–0–1 1966 Utrecht SWI bronze: 4×100 m freestyle relay
Jan Weeteling	NED	SWI	1964	0–0–1 1962 Leipzig SWI bronze: 4×100 m medley relay
Gudrun Wegner	GDR	SWI	1972	0–1–1 1974 Wien SWI silver: 400 m medley, bronze: 800 m freestyle
Birte Weigang	GDR	SWI	1988	3–3–0 1985 Sofia SWI gold: 100 m backstroke and 4×100 m medley relay, silver: 100 m butterfly; 1987 Strasbourg SWI gold: 4×100 m medley relay, silver: 100 m butterfly and 200 m butterfly
Maarten van der Weijden	NED	SWI	2008	0–1–0 2006 Budapest SWI silver: 10 km
Florian Wellbrock	GER	SWI	2016	1–1–1 2018 Glasgow SWI gold: 1500 m freestyle, bronze: 800 m freestyle; 2018 Loch Lomond silver: 5 km team
Margaret Wellington	GBR	SWI	1948	0–0–1 1947 Monte Carlo SWI bronze: 4×100 m freestyle relay
Andreas Wels	GER	DIV	1996—2004	4–5–0 1997 Sevilla DIV gold: 1 m springboard, silver: 3 m springboard; 1999 İstanbul DIV silver: 1 m springboard; 2000 Helsinki DIV gold: synchronized springboard; 2002 Berlin DIV silver: 3 m springboard and synchronized springboard; 2004 Madrid DIV gold: 3 m springboard; 2006 Budapest DIV gold: synchronized springboard; 2008 Eindhoven DIV silver: synchronized springboard
Charmain Welsh	GBR	DIV	1952—1956	0–1–0 1958 Budapest DIV silver: 3 m springboard
Alexandra Wenk	GER	SWI	2012—2016	1–0–0 2012 Debrecen SWI gold: 4×100 m medley relay
Stefan Wenz	FRG	SWI	1976	1–0–0 1974 Wien SWI gold: 4×200 m freestyle relay (swam in heats only)
Ramona Wenzel	GDR	DIV	1980	0–1–1 1983 Roma DIV bronze: platform; 1985 Sofia DIV silver: platform
Georg Werner	SWE	SWI	1924	0–0–2 1926 Budapest SWI bronze: 100 m freestyle and 4×200 m freestyle relay
Tom Werner	SWE	SWI	1984—1992	0–3–5 1985 Sofia SWI silver: 4×200 m freestyle relay, bronze: 200 m freestyle and 4×100 m freestyle relay; 1987 Strasbourg SWI bronze: 4×200 m freestyle relay; 1989 Bonn SWI bronze: 4×100 m freestyle relay; 1991 Athina SWI bronze: 4×100 m freestyle relay; 1993 Sheffield SWI silver: 100 m freestyle and 4×100 m freestyle relay
Ute Wetzig	GER	DIV	1992—2000	4–3–1 1989 Bonn DIV gold: platform (competed for East Germany); 1991 Athina DIV bronze: platform; 1993 Sheffield DIV silver: platform; 1995 Wien DIV gold: platform; 1997 Sevilla DIV gold: synchronized platform; 1999 İstanbul DIV silver: synchronized platform; 2000 Helsinki DIV gold: synchronized platform, silver: platform
Gabriele Wetzko	GDR	SWI	1968—1972	4–0–0 1970 Barcelona SWI gold: 100 m freestyle, 200 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay
Belle White	GBR	DIV	1912—1928	1–0–0 1927 Bologna DIV gold: platform
Frank Wiegand	GDR GER	SWI	1960—1968	4–2–2 1962 Leipzig SWI gold: 4×100 m medley relay, bronze: 400 m freestyle and 4×200 m freestyle relay (competed for East Germany); 1966 Utrecht SWI gold: 400 m freestyle, 400 m medley, and 4×100 m freestyle relay, silver: 4×200 m freestyle relay and 4×100 m medley relay (competed for East Germany)
Geertje Wielema	NED	SWI	1952	1–1–1 1954 Torino SWI gold: 100 m backstroke, silver: 4×100 m freestyle relay, bronze: 100 m freestyle
Damian Wierling	GER	SWI	2014—2016	0–0–1 2018 Glasgow SWI bronze: 4×100 m medley relay
Sebastian Wiese	GER	SWI	1992—1996	0–1–1 1991 Athina SWI bronze: 1500 m freestyle; 1993 Sheffield SWI silver: 1500 m freestyle
Christoffer Wikström	SWE	SWI	2008	1–0–0 2008 Eindhoven SWI gold: 4×100 m freestyle relay (swam in heats only)
Per Wikström	SWE	SWI	1980	0–2–1 1981 Split SWI silver: 4×100 m freestyle relay, bronze: 4×200 m freestyle relay; 1983 Roma SWI silver: 4×100 m freestyle relay
David Wilkie	GBR	SWI	1972—1976	2–1–0 1974 Wien SWI gold: 200 m breaststroke and 200 m medley, silver: 4×100 m medley relay
Diana Wilkinson	GBR	SWI	1960—1964	0–3–2 1958 Budapest SWI silver: 4×100 m freestyle relay, bronze: 4×100 m medley relay; 1962 Leipzig SWI silver: 100 m freestyle and 4×100 m freestyle relay, bronze: 4×100 m medley relay
Aimee Willmott	GBR	SWI	2012—2016	0–1–1 2014 Berlin SWI silver: 200 m medley, bronze: 400 m medley
Jackie Willmott	GBR	SWI	1980	0–0–2 1981 Split SWI bronze: 400 m freestyle and 800 m freestyle
Carolyn Wilson	GBR	SWA	1984	7–1–1 1981 Split SYN gold: solo, duet, and team; 1983 Roma SYN gold: solo, duet, and team; 1985 Sofia SYN gold: solo, silver: team, bronze: duet
Ian Wilson	GBR	SWI	1992	0–1–0 1991 Athina SWI silver: 1500 m freestyle
Corrie Winkel	NED	SWI	1964	0–1–0 1962 Leipzig SWI silver: 100 m backstroke
Sándor Wladár	HUN	SWI	1980	2–1–0 1981 Split SWI gold: 100 m backstroke and 200 m backstroke; 1983 Roma SWI silver: 200 m backstroke
Jörg Woithe	GDR	SWI	1980	1–7–3 1981 Split SWI silver: 100 m freestyle, bronze: 4×100 m medley relay; 1983 Roma SWI silver: 100 m freestyle, 200 m freestyle, and 4×200 m freestyle relay, bronze: 4×100 m freestyle relay and 4×100 m medley relay; 1985 Sofia SWI silver: 100 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay; 1987 Strasbourg SWI gold: 50 m freestyle
Artur Wojdat	POL	SWI	1988—1992	2–2–0 1989 Bonn SWI gold: 400 m freestyle, silver: 200 m freestyle; 1991 Athina SWI gold: 200 m freestyle, silver: 400 m freestyle
Sofie Wolfs	BEL	SWI	2000	0–1–0 2000 Helsinki SWI silver: 4×100 m medley relay
Cecelia Wolstenholme	GBR	SWI	1932	1–0–0 1931 Paris SWI gold: 200 m breaststroke
Alexandra Worisch	AUT	SWA	1984	1–2–2 1981 Split SYN silver: solo, bronze: duet; 1985 Sofia SYN gold: duet, bronze: solo; 1987 Strasbourg SYN silver: solo
Marcel Wouda	NED	SWI	1992—2000	5–1–3 1993 Sheffield SWI bronze: 400 m medley; 1997 Sevilla SWI gold: 200 m medley and 400 m medley, silver: 4×200 m freestyle relay; 1999 İstanbul SWI gold: 200 m medley, 4×100 m freestyle relay, and 4×100 m medley relay, bronze: 400 m medley; 2000 Helsinki SWI bronze: 4×200 m freestyle relay
Nikos Xylouris	GRE	SWI	2004—2008	0–0–2 2002 Berlin SWI bronze: 4×200 m freestyle relay; 2006 Budapest SWI bronze: 4×200 m freestyle relay
Inna Yaitskaya	RUS	SWI	1996—2000	0–0–1 1997 Sevilla SWI bronze: 4×100 m freestyle relay
Vadym Yaroshchuk	URS	SWI	1988	1–2–1 1985 Sofia SWI silver: 400 m medley; 1987 Strasbourg SWI silver: 200 m medley, bronze: 200 m butterfly; 1989 Bonn SWI gold: 4×100 m medley relay
Yuliya Yefimova	RUS	SWI	2008—2016	7–3–0 2008 Eindhoven SWI gold: 200 m breaststroke, silver: 50 m breaststroke and 4×100 m medley relay; 2010 Budapest SWI gold: 50 m breaststroke and 100 m breaststroke; 2018 Glasgow SWI gold: 50 m breaststroke, 100 m breaststroke, 200 m breaststroke, and 4×100 m medley relay, silver: 4×100 m medley mixed relay
Roman Yegorov	RUS	SWI	1996	2–0–0 1995 Wien SWI gold: 4×100 m freestyle relay; 1997 Sevilla SWI gold: 4×100 m freestyle relay
Yuriy Yehoshyn	UKR	SWI	2004—2008	1–1–0 2004 Madrid SWI gold: 4×100 m medley relay; 2006 Budapest SWI silver: 4×100 m medley relay
Anastasiya Yermakova	RUS	SWA	2004—2008	7–0–0 2002 Berlin SYN gold: duet and team; 2004 Madrid SYN gold: duet and team Free; 2006 Budapest SYN gold: duet, team Free Routine Combination, and team Free Routine Combination
Yevgeniya Yermakova	KAZ EUN	SWI	1992—1996	1–0–0 1991 Athina SWI gold: 4×100 m medley relay (competed for the Soviet Union)
Alexandre Yokochi	POR	SWI	1984—1992	0–1–0 1985 Sofia SWI silver: 200 m breaststroke
Maryna Yurchenia	URS	SWI	1976	0–0–1 1974 Wien SWI bronze: 200 m breaststroke
Anna Yuryayeva	RUS	SWA	1996	1–0–0 1997 Sevilla SYN gold: team
Dar'ia Yushko	UKR	SWA	2004—2016	1–4–6 2008 Eindhoven SYN bronze: duet, team Free, and team Free Routine Combination; 2010 Budapest SYN bronze: duet and team Free Routine Combination; 2012 Eindhoven SYN silver: team Free and team Free Routine Combination, bronze: duet; 2016 London SYN gold: team Free, silver: team Technical and team Free Routine Combination
Sergey Zabolotnov	URS	SWI	1988	4–2–2 1983 Roma SWI gold: 200 m backstroke, bronze: 100 m backstroke; 1985 Sofia SWI silver: 200 m backstroke, bronze: 100 m backstroke; 1987 Strasbourg SWI gold: 100 m backstroke and 200 m backstroke; 1989 Bonn SWI gold: 4×100 m medley relay, silver: 100 m backstroke
Lorena Zaffalon	ITA	SWA	2004	0–1–2 2002 Berlin SYN bronze: team; 2004 Madrid SYN silver: team Free Routine Combination, bronze: team Free
Lisa Zaiser	AUT	SWI	2012—2016	0–0–1 2014 Berlin SWI bronze: 200 m medley
Anton Zakharov	UKR	DIV	2004—2012	3–0–1 2002 Berlin DIV gold: synchronized platform; 2004 Madrid DIV gold: platform and synchronized platform; 2008 Eindhoven DIV bronze: synchronized springboard
Ilya Zakharov	RUS	DIV	2012—2016	3–7–1 2010 Budapest DIV silver: 3 m springboard, synchronized platform, and Team Event; 2012 Eindhoven DIV gold: synchronized springboard, silver: synchronized platform, bronze: 3 m springboard; 2014 Berlin DIV gold: synchronized springboard, silver: 3 m springboard; 2016 London DIV silver: synchronized springboard; 2018 Edinburgh DIV gold: synchronized springboard, silver: 3 m springboard
África Zamorano	ESP	SWI	2014—2016	0–1–0 2016 London SWI silver: 4×200 m freestyle relay (swam in heats only)
Laura Zanazza	ITA	SWA	2004	0–1–2 2002 Berlin SYN bronze: team; 2004 Madrid SYN silver: team Free Routine Combination, bronze: team Free
Anita Zarnowiecki	SWE	SWI	1972	0–0–1 1970 Barcelona SWI bronze: 4×100 m freestyle relay
Bernt Zarnowiecki	SWE	SWI	1972	0–0–1 1974 Wien SWI bronze: 4×200 m freestyle relay
Mitja Zastrow	NED	SWI	2004—2008	0–0–1 2008 Eindhoven SWI bronze: 4×100 m freestyle relay
Barbora Závadová	CZE	SWI	2010—2016	0–0–1 2012 Debrecen SWI bronze: 400 m medley
Denys Zavhorodnyi	UKR	SWI	1996	0–0–1 1997 Sevilla SWI bronze: 1500 m freestyle
Steffen Zesner	GDR GER	SWI	1988—1996	3–4–5 1987 Strasbourg SWI gold: 4×100 m freestyle relay, silver: 4×200 m freestyle relay (competed for East Germany); 1989 Bonn SWI bronze: 4×200 m freestyle relay (competed for East Germany); 1991 Athina SWI silver: 4×100 m freestyle relay, bronze: 4×200 m freestyle relay (competed for Germany); 1993 Sheffield SWI silver: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay (competed for Germany); 1995 Wien SWI gold: 400 m freestyle and 4×200 m freestyle relay, bronze: 1500 m freestyle (competed for Germany); 1997 Sevilla SWI silver: 4×100 m freestyle relay, bronze: 4×200 m freestyle relay (competed for Germany)
Daryna Zevina	UKR	SWI	2010—2016	0–1–0 2016 London SWI silver: 200 m backstroke
Lyubov Zhigalova	URS	DIV	1952—1956	0–0–1 1954 Torino DIV bronze: 3 m springboard
Nina Zhivanevskaya	RUS ESP EUN	SWI	1992—2008	4–7–5 1993 Sheffield SWI silver: 100 m backstroke and 4×100 m medley relay, bronze: 200 m backstroke and 4×100 m freestyle relay (competed for Russia); 1995 Wien SWI bronze: 100 m backstroke (competed for Russia); 1999 İstanbul SWI silver: 50 m backstroke and 100 m backstroke (competed for Spain); 2000 Helsinki SWI gold: 50 m backstroke, 100 m backstroke, and 200 m backstroke (competed for Spain); 2002 Berlin SWI gold: 50 m backstroke, silver: 200 m backstroke (competed for Spain); 2004 Madrid SWI silver: 50 m backstroke, bronze: 100 m backstroke (competed for Spain); 2008 Eindhoven SWI silver: 50 m backstroke, bronze: 100 m backstroke (competed for Spain)
Olena Zhupina	UKR	DIV	1996—2004	2–2–4 1993 Sheffield DIV bronze: platform; 1999 İstanbul DIV gold: platform and synchronized springboard; 2000 Helsinki DIV bronze: platform, synchronized springboard, and synchronized platform; 2002 Berlin DIV silver: synchronized platform; 2004 Madrid DIV silver: platform
Mark van der Zijden	NED	SWI	1996—2000	0–1–1 1997 Sevilla SWI silver: 4×200 m freestyle relay; 2000 Helsinki SWI bronze: 4×200 m freestyle relay
Bengt Zikarsky	GER	SWI	1992—1996	1–0–0 1989 Bonn SWI gold: 4×100 m freestyle relay (competed for West Germany)
Björn Zikarsky	GER FRG	SWI	1988—1996	1–1–3 1989 Bonn SWI gold: 4×100 m freestyle relay (competed for West Germany); 1993 Sheffield SWI bronze: 4×100 m freestyle relay (competed for Germany); 1995 Wien SWI silver: 4×100 m freestyle relay, bronze: 100 m freestyle and 4×100 m medley relay (competed for Germany)
Katja Ziliox	FRG	SWI	1988	0–0–1 1989 Bonn SWI bronze: 4×100 m freestyle relay
Kathrin Zimmermann	GDR	SWI	1988	0–4–1 1983 Roma SWI silver: 200 m backstroke; 1985 Sofia SWI silver: 100 m backstroke and 200 m backstroke; 1987 Strasbourg SWI silver: 200 m backstroke, bronze: 100 m backstroke
Petra Zindler	FRG	SWI	1984	0–1–2 1983 Roma SWI silver: 4×200 m freestyle relay, bronze: 400 m medley; 1985 Sofia SWI bronze: 200 m butterfly
Andreas Zisimos	GRE	SWI	2004—2008	0–0–1 2006 Budapest SWI bronze: 4×200 m freestyle relay
Flavia Zoccari	ITA	SWI	2008	0–0–1 2008 Eindhoven SWI bronze: 4×200 m freestyle relay (swam in heats only)
Carlotta Zofkova	ITA	SWI	2016	0–2–1 2012 Debrecen SWI silver: 4×100 m medley relay (swam in heats only); 2016 London SWI silver: 4×100 m medley relay; 2018 Glasgow SWI bronze: 100 m backstroke
Marion Zoller	GER	SWI	1992	0–0–1 1991 Athina SWI bronze: 200 m medley
Olha Zolotarova (DNS)	UKR	SWA	2016	1–1–0 2014 Berlin SYN gold: team Free Routine Combination; 2016 London SYN silver: team Free Routine Combination
Tatyana Zolotnitskaya	URS	SWI	1972	0–1–0 1970 Barcelona SWI silver: 4×100 m medley relay
Iris Zscherpe	FRG	SWI	1984	0–1–1 1983 Roma SWI bronze: 4×100 m freestyle relay; 1985 Sofia SWI silver: 4×100 m freestyle relay
Kateryna Zubkova	UKR	SWI	2004—2008	0–1–0 2004 Madrid SWI silver: 4×100 m medley relay (swam in heats only)
Attila Zubor	HUN	SWI	1996—2004	0–0–1 2004 Madrid SWI bronze: 4×100 m medley relay
Martijn Zuijdweg	NED	SWI	2000	0–1–2 1997 Sevilla SWI silver: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay; 2000 Helsinki SWI bronze: 4×200 m freestyle relay
Robertas Žulpa	URS	SWI	1980	3–0–1 1981 Split SWI gold: 200 m breaststroke; 1983 Roma SWI gold: 100 m breaststroke and 4×100 m medley relay, bronze: 200 m breaststroke
Anastasiya Zuyeva-Fesikova	RUS	SWI	2008—2016	4–3–0 2008 Eindhoven SWI gold: 50 m backstroke and 100 m backstroke, silver: 200 m backstroke and 4×100 m medley relay (competed as Anastasiya Zuyeva); 2018 Glasgow SWI gold: 100 m backstroke and 4×100 m medley relay, silver: 50 m backstroke (competed as Anastasiya Fesikova)
Tamara Zwart	NED	SWA	1992	0–0–1 1991 Athina SYN bronze: duet
Klaas-Erik Zwering	NED	SWI	2000—2004	1–0–0 1999 İstanbul SWI gold: 4×100 m medley relay
Louise Ørnstedt	DEN	SWI	2000—2004	0–0–1 2000 Helsinki SWI bronze: 100 m backstroke