Host cities:
| Athlete | Nation(s) | Sport(s) | Role(s) | Era | Notes |
|---|---|---|---|---|---|
| Stefan Aartsen | NED |
SWM | Olympics | 1996—2000 | 1–0–0 1999 İstanbul SWM gold: 4×100 m medley relay |
| Silke Abicht | GDR |
DIV | Olympics | 1988 | 0–0–1 1987 Strasbourg DIV bronze: platform |
| Viktor Aboimov | KAZ URS |
SWM | Olympics | 1972 | 1–2–0 1970 Barcelona SWM gold: 4×100 m freestyle relay (swam in heats only), silver: 4×200 m freestyle relay (swam in heats only); 1974 Wien SWM silver: 4×200 m freestyle relay |
| Tony Adam | GER |
DIV | Olympics | 2004 | 0–1–0 2004 Madrid DIV silver: synchronized platform |
| Beatrice Adelizzi | ITA |
SWA | Olympics | 2008 | 0–1–1 2008 Eindhoven SWA silver: duet, bronze: solo |
| Hanns Aderhold | GER FRG |
DIV | Olympics | 1952 | 1–0–0 1950 Wien DIV gold: 3 m springboard (competed for West Germany) |
| Becky Adlington | GBR |
SWM | Olympics | 2008—2012 | 1–1–1 2006 Budapest SWM silver: 800 m freestyle; 2010 Budapest SWM gold: 400 m freestyle, bronze: 4×200 m freestyle relay |
| Jasper Aerents | BEL |
SWM | Olympics | 2012—2016 | 0–0–1 2016 London SWM bronze: 4×100 m freestyle relay |
| Marianne Aeschbacher | FRA |
SWA | Olympics | 1992—1996 | 3–6–0 1987 Strasbourg SWA gold: team; 1989 Bonn SWA gold: duet and team; 1993 Sheffield SWA silver: solo, duet, and team; 1995 Wien SWA silver: solo, duet, and team |
| Inga Afonina | UKR EUN |
DIV | Olympics | 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 |
SWM | Olympics | 2012 | 0–1–0 2010 Budapest SWM silver: 50 m breaststroke |
| Yannick Agnel | FRA |
SWM | Olympics | 2012—2016 | 1–2–2 2010 Budapest SWM gold: 400 m freestyle, silver: 4×100 m freestyle relay, bronze: 4×200 m freestyle relay; 2014 Berlin SWM bronze: 200 m freestyle; 2016 London SWM silver: 4×100 m medley relay (swam in heats only) |
| Elisabeth Ahlgren | SWE |
SWM | Olympics | 1948 | 0–0–1 1950 Wien SWM bronze: 4×100 m freestyle relay |
| Stefan Ahrens | GER |
DIV | Olympics | 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 |
SWM | Olympics | 1988 | 0–1–2 1981 Split SWM silver: 4×100 m freestyle relay, bronze: 4×100 m medley relay; 1989 Bonn SWM bronze: 4×100 m freestyle relay |
| Aleksey Akatyev | RUS |
SWM | Olympics | 1996 | 4–2–0 1995 Wien SWM gold: 5 km, silver: 25 km; 1997 Sevilla SWM gold: 5 km and 25 km; 1999 İstanbul SWM gold: 25 km, silver: 5 km |
| Anastasiya Aksenova | RUS |
SWM | Olympics | 2008 | 0–1–0 2008 Eindhoven SWM silver: 4×100 m medley relay (swam in heats only) |
| Anna-Maria Alexandri | AUT |
SWA | Olympics | 2016—2020 | 0–0–2 2020/2021 Budapest SWA bronze: duet Free and duet Technical |
| Eirini-Marina Alexandri | AUT |
SWA | Olympics | 2016—2020 | 0–0–2 2020/2021 Budapest SWA bronze: duet Free and duet Technical |
| Vladimir Aleynik | BLR URS |
DIV | Olympics | 1976—1980 | 1–1–0 1977 Jönköping DIV gold: platform; 1981 Split DIV silver: platform |
| Tony Ali-Ally | GBR |
DIV | Olympics | 1996—2004 | 1–0–1 1999 İstanbul DIV gold: 3 m springboard, bronze: synchronized springboard |
| Sviatlana Aliakseyeuna | BLR |
DIV | Olympics | 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 |
SWM | Olympics | 2004—2012 | 0–1–0 2012 Debrecen SWM silver: 50 m butterfly |
| Sophie Allen | GBR |
SWM | Olympics | 2012 | 0–1–0 2012 Debrecen SWM silver: 200 m medley |
| Franziska van Almsick | GER |
SWM | Olympics | 1992—2004 | 18–3–0 1993 Sheffield SWM 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 SWM 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 SWM gold: 4×100 m freestyle relay and 4×200 m freestyle relay, silver: 4×100 m medley relay; 2002 Berlin SWM 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 |
SWM | Olympics / Other | 1996—2016 | 10–7–4 1997 Sevilla SWM silver: 4×100 m freestyle relay, bronze: 50 m freestyle; 1999 İstanbul SWM gold: 4×100 m medley relay, silver: 50 m freestyle and 4×100 m freestyle relay; 2000 Helsinki SWM gold: 50 m freestyle, 100 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay; 2002 Berlin SWM gold: 50 m freestyle, silver: 4×100 m freestyle relay and 4×100 m medley relay; 2004 Madrid SWM gold: 50 m freestyle; 2006 Budapest SWM gold: 50 m butterfly, silver: 50 m freestyle; 2008 Eindhoven SWM bronze: 50 m freestyle; 2010 Budapest SWM 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 | Olympics | 1992—2000 | 0–0–2 1997 Sevilla DIV bronze: 1 m springboard; 2000 Helsinki DIV bronze: synchronized springboard |
| Yevgeny Alyoshin | RUS |
SWM | Olympics | 2004 | 2–0–0 2002 Berlin SWM gold: 4×100 m medley relay; 2006 Budapest SWM gold: 4×100 m medley relay (swam in heats only) |
| Vladislav Aminov | RUS |
SWM | Olympics | 2000 | 1–0–0 2000 Helsinki SWM gold: 4×100 m medley relay |
| Linda Amos | GBR |
SWM | Olympics | 1964 | 0–1–0 1962 Leipzig SWM silver: 4×100 m freestyle relay |
| Iryna Amshennikova | UKR |
SWM | Olympics | 2004—2008 | 0–2–2 2002 Berlin SWM bronze: 200 m backstroke and 4×100 m medley relay; 2004 Madrid SWM silver: 4×100 m medley relay; 2006 Budapest SWM silver: 200 m backstroke |
| Lolita Ananasova | UKR |
SWA | Olympics | 2016 | 2–8–4 2010 Budapest SWA bronze: solo, team Free, and team Free Routine Combination; 2012 Eindhoven SWA silver: team Free and team Free Routine Combination, bronze: solo; 2014 Berlin SWA gold: team Free Routine Combination, silver: duet and team Free; 2016 London SWA gold: team Free, silver: duet Technical, duet Free, team Technical, and team Free Routine Combination |
| Akhmed Anarbayev | KGZ URS |
SWM | Olympics | 1968 | 1–1–1 1970 Barcelona SWM 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 |
SWM | Olympics | 1948—1952 | 2–1–2 1947 Monte Carlo SWM gold: 4×100 m freestyle relay, bronze: 100 m freestyle; 1950 Wien SWM gold: 400 m freestyle, silver: 4×100 m freestyle relay, bronze: 100 m freestyle |
| Lilli Andersen | DEN |
SWM | Olympics | 1932 | 0–0–1 1934 Magdeburg SWM bronze: 400 m freestyle |
| Eva Andersson | SWE |
SWM | Olympics | 1972 | 0–0–1 1970 Barcelona SWM bronze: 4×100 m freestyle relay |
| Gunilla Andersson | SWE |
SWM | Olympics | 1976 | 0–0–2 1974 Wien SWM bronze: 100 m butterfly and 4×100 m medley relay |
| Joakim Andersson | SWE |
DIV | Olympics | 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 |
SWM | Olympics | 2008 | 0–0–1 2008 Eindhoven SWM bronze: 4×100 m medley relay |
| Tord Andersson | SWE |
DIV | Olympics | 1968 | 0–1–0 1966 Utrecht DIV silver: 3 m springboard |
| Jakob Andkjær | DEN |
SWM | Olympics | 2008 | 0–0–1 2006 Budapest SWM bronze: 50 m butterfly |
| Viktoriya Andreyeva | RUS |
SWM | Olympics | 2012—2016 | 0–2–0 2018 Glasgow SWM silver: 4×200 m freestyle mixed relay and 4×100 m medley mixed relay (swam in heats only) |
| Gennady Androsov | RUS URS |
SWM | Olympics | 1956—1960 | 1–0–1 1958 Budapest SWM bronze: 1500 m freestyle; 1962 Leipzig SWM gold: 400 m medley |
| Vyacheslav Andrusenko | RUS |
SWM | Olympics | 2016 | 0–3–1 2012 Debrecen SWM bronze: 4×100 m freestyle relay; 2014 Berlin SWM silver: 4×200 m freestyle relay (swam in heats only); 2018 Glasgow SWM silver: 4×200 m freestyle relay and 4×200 m freestyle mixed relay (swam in heats only) |
| Hannelore Anke | GDR |
SWM | Olympics | 1972—1976 | 1–0–0 1974 Wien SWM gold: 4×100 m freestyle relay (swam in heats only) |
| Yelena Antonova | RUS |
SWA | Olympics | 1996 | 2–0–0 1995 Wien SWA gold: team; 1999 İstanbul SWA gold: team (competed in prelims only) |
| Václav Antoš | CZE TCH |
SWM | Olympics | 1924—1928 | 0–0–1 1927 Bologna SWM bronze: 400 m freestyle |
| Kelly Araouzou | GRE |
OWS | Olympics | 2016 | 1–4–0 2010 Budapest SWM gold: 5 km team, silver: 5 km; 2012 Piombino SWM silver: 5 km and 5 km team; 2014 Berlin SWM silver: 5 km team |
| Odile Arboles-Souchon | FRA |
DIV | Olympics | 2000 | 0–1–2 1997 Sevilla DIV silver: synchronized platform; 1999 İstanbul DIV bronze: synchronized springboard and synchronized platform |
| Heinz Arendt | GER |
SWM | Olympics | 1936 | 0–0–1 1938 London SWM bronze: 1500 m freestyle |
| Eva Arndt-Riise | DEN |
SWM | Olympics | 1936—1948 | 1–0–0 1938 London SWM gold: 4×100 m freestyle relay (competed as Eva Arndt) |
| Pär Arvidsson | SWE |
SWM | Olympics | 1976—1980 | 0–3–2 1977 Jönköping SWM silver: 100 m butterfly, bronze: 200 m butterfly; 1981 Split SWM silver: 100 m butterfly and 4×100 m medley relay; 1983 Roma SWM bronze: 4×200 m freestyle relay (swam in heats only) |
| Sergey Ashikhmin | KGZ |
SWM | Olympics / Other | 1996—2000 | 0–1–0 1999 İstanbul SWM silver: 4×100 m freestyle relay (competed for Russia) |
| Charlotte Atkinson | GBR |
SWM | YOG | 2014 | 1–0–0 2018 Glasgow SWM gold: 4×100 m medley mixed relay (swam in heats only) |
| Jeannette Aubert-Pinci | FRA |
DIV | Olympics | 1948 | 0–0–1 1947 Monte Carlo DIV bronze: 3 m springboard |
| Felix Auböck | AUT |
SWM | Olympics | 2016—2020 | 0–1–0 2020/2021 Budapest SWM silver: 400 m freestyle |
| Benjamin Auffret | FRA |
DIV | Olympics | 2016 | 0–0–1 2018 Edinburgh DIV bronze: platform |
| Yelena Azarova | RUS |
SWA | Olympics | 1996—2004 | 7–0–0 1991 Athina SWA gold: team (competed for the Soviet Union); 1993 Sheffield SWA gold: team; 1995 Wien SWA gold: duet and team; 1997 Sevilla SWA gold: team; 1999 İstanbul SWA gold: team; 2000 Helsinki SWA gold: team |
| Madelon Baans | NED |
SWM | Olympics | 1996—2004 | 0–0–1 2004 Madrid SWM bronze: 4×100 m medley relay |
| Svetlana Babanina | URS UZB |
SWM | Olympics | 1964—1968 | 1–0–0 1966 Utrecht SWM gold: 4×100 m freestyle relay (swam in heats only) |
| Charles Babey | FRA |
SWM | Non-starter | 1948 | 0–1–0 1947 Monte Carlo SWM silver: 4×200 m freestyle relay |
| Marina Babkova | RUS URS |
DIV | Olympics | 1988 | 1–1–1 1987 Strasbourg DIV silver: 3 m springboard; 1989 Bonn DIV gold: 3 m springboard, bronze: 1 m springboard |
| Jürgen Bachmann | GDR GER |
SWM | Olympics | 1960 | 0–0–1 1962 Leipzig SWM bronze: 400 m medley (competed for East Germany) |
| Cezar Bădiță | ROU |
SWM | Olympics | 2000 | 0–1–0 2000 Helsinki SWM silver: 400 m medley |
| Vera Baklanova | RUS URS |
DIV | Olympics | 1964—1968 | 1–0–0 1966 Utrecht DIV gold: 3 m springboard |
| Lev Balandin | RUS URS |
SWM | Olympics | 1952—1956 | 0–1–1 1954 Torino SWM silver: 100 m freestyle, bronze: 4×200 m freestyle relay |
| Július Baláž | TCH SVK |
DIV/SWM | Olympics | 1924—1928 | 0–0–1 1926 Budapest DIV bronze: 3 m springboard |
| Brita Baldus | GDR GER |
DIV | Olympics | 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 |
SWM | Olympics | 2004—2008 | 2–1–0 2006 Budapest SWM gold: 200 m breaststroke and 4×100 m medley relay, silver: 100 m breaststroke |
| Jochen Balke | GER |
SWM | Olympics | 1936 | 1–0–0 1938 London SWM gold: 200 m breaststroke |
| Giada Ballan | ITA |
SWA | Olympics | 1996—2000 | 0–1–6 1991 Athina SWA bronze: team; 1993 Sheffield SWA bronze: team; 1995 Wien SWA bronze: team; 1997 Sevilla SWA bronze: duet and team; 1999 İstanbul SWA bronze: team; 2000 Helsinki SWA silver: team |
| Coralie Balmy | FRA |
SWM | Olympics | 2008—2016 | 2–3–1 2008 Eindhoven SWM gold: 4×200 m freestyle relay, silver: 400 m freestyle; 2010 Budapest SWM silver: 4×200 m freestyle relay; 2012 Debrecen SWM gold: 400 m freestyle, silver: 800 m freestyle; 2014 Berlin SWM bronze: 4×100 m freestyle mixed relay |
| Gábor Balog | HUN |
SWM | Olympics | 2008—2016 | 0–0–3 2014 Berlin SWM bronze: 200 m backstroke; 2016 London SWM bronze: 4×100 m medley relay and 4×100 m medley mixed relay |
| Frank Baltrusch | GDR |
SWM | Olympics | 1988 | 0–1–4 1983 Roma SWM bronze: 200 m backstroke; 1985 Sofia SWM bronze: 200 m backstroke; 1987 Strasbourg SWM silver: 100 m backstroke, bronze: 200 m backstroke and 4×100 m medley relay |
| Natalia Baranovskaya-Khatziloizou | BLR CYP |
SWM | Olympics | 1996—2008 | 1–1–1 1999 İstanbul SWM bronze: 200 m freestyle (competed as Natalia Baranovskaya for Belarus); 2000 Helsinki SWM gold: 200 m freestyle, silver: 400 m freestyle (competed as Natalia Baranovskaya for Belarus) |
| Kasia Baranowska | POL |
SWM | Olympics | 2008—2016 | 0–1–1 2006 Budapest SWM silver: 200 m medley, bronze: 400 m medley |
| István Bárány | HUN |
SWM | Olympics | 1924—1932 | 4–2–1 1926 Budapest SWM gold: 100 m freestyle, silver: 4×200 m freestyle relay; 1927 Bologna SWM silver: 100 m freestyle, bronze: 4×200 m freestyle relay; 1931 Paris SWM gold: 100 m freestyle, 400 m freestyle, and 4×200 m freestyle relay |
| Arianna Barbieri | ITA |
SWM | Olympics | 2012 | 0–3–0 2012 Debrecen SWM silver: 50 m backstroke, 100 m backstroke, and 4×100 m medley relay |
| Leonid Barbiyer | URS UKR |
SWM | Olympics | 1960 | 2–1–0 1958 Budapest SWM gold: 4×100 m medley relay, silver: 100 m backstroke; 1962 Leipzig SWM gold: 200 m backstroke |
| Guy Barnea | ISR |
SWM | Olympics | 2008 | 0–0–2 2010 Budapest SWM bronze: 50 m backstroke; 2012 Debrecen SWM bronze: 50 m backstroke |
| Romain Barnier | FRA |
SWM | Olympics | 2000—2004 | 0–1–1 2000 Helsinki SWM bronze: 4×100 m freestyle relay; 2002 Berlin SWM silver: 4×100 m medley relay |
| Bengt Baron | SWE |
SWM | Olympics | 1980—1984 | 0–2–1 1981 Split SWM silver: 4×100 m medley relay; 1983 Roma SWM silver: 4×100 m freestyle relay (swam in heats only); 1985 Sofia SWM bronze: 4×100 m freestyle relay |
| Sarah Barrow | GBR |
DIV | Olympics | 2012—2016 | 2–0–0 2012 Eindhoven DIV gold: synchronized platform; 2014 Berlin DIV gold: platform |
| Nóra Barta | HUN |
DIV | Olympics | 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 |
SWM | Olympics | 1924 | 0–1–0 1926 Budapest SWM silver: 100 m backstroke |
| Timo Barthel | GER |
DIV | Olympics / YOG | 2014—2020 | 0–0–1 2020/2021 Budapest DIV bronze: synchronized platform |
| Heidemarie Bártová-Grécká | CZE TCH |
DIV | Olympics | 1980—1992 | 0–0–1 1985 Sofia DIV bronze: 3 m springboard (competed as Heidemarie Grécká) |
| Miroslav Bartůšek | CZE TCH |
SWM | Olympics | 1948 | 0–0–1 1947 Monte Carlo SWM bronze: 400 m freestyle |
| Paulina Barzycka | POL |
SWM | Olympics | 2004—2008 | 0–1–0 2006 Budapest SWM silver: 4×200 m freestyle relay |
| Iurie Bașcatov | MDA URS EUN |
SWM | Olympics | 1988—1992 | 1–1–0 1989 Bonn SWM gold: 4×100 m medley relay, silver: 100 m freestyle (competed for the Soviet Union) |
| Clara Basiana | ESP |
SWA | Olympics | 2012 | 2–3–1 2010 Budapest SWA silver: team Free and team Free Routine Combination; 2012 Eindhoven SWA gold: team Free and team Free Routine Combination; 2014 Berlin SWA silver: team Free Routine Combination, bronze: team Free |
| István Batházi | HUN |
SWM | Olympics | 1996—2000 | 1–1–0 2000 Helsinki SWM gold: 400 m medley; 2002 Berlin SWM silver: 400 m medley |
| Noemi Batki | ITA |
DIV | Olympics | 2008—2020 | 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 |
SWM | Olympics | 1988—1992 | 2–1–2 1989 Bonn SWM gold: 200 m backstroke and 4×200 m freestyle relay, bronze: 400 m medley and 4×100 m medley relay; 1991 Athina SWM silver: 4×200 m freestyle relay |
| Truus Baumeister | NED |
SWM | Olympics | 1928 | 1–0–0 1931 Paris SWM gold: 4×100 m freestyle relay |
| Simona Baumrtová-Kubová | CZE |
SWM | Olympics | 2012—2020 | 0–0–1 2012 Debrecen SWM bronze: 100 m backstroke |
| Nadezhda Bazhina | RUS |
DIV | Olympics | 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 mixed synchronized springboard; 2018 Edinburgh DIV silver: 1 m springboard, bronze: synchronized springboard |
| Andrea Beccari | ITA |
SWM | Olympics | 2000—2004 | 1–0–1 2002 Berlin SWM bronze: 4×100 m freestyle relay (swam in heats only); 2004 Madrid SWM gold: 4×200 m freestyle relay (swam in heats only) |
| Leonie Beck | GER |
OWS/SWM | Olympics | 2016—2020 | 0–3–0 2018 Loch Lomond SWM silver: 5 km and 5 km team; 2020/2021 Budapest SWM silver: 5 km team |
| Heidi Becker-Ramlow | GDR |
DIV | Olympics | 1972—1976 | 1–0–0 1970 Barcelona DIV gold: 3 m springboard (competed as Heidi Becker) |
| Gudrun Beckmann | FRG |
SWM | Olympics | 1972—1976 | 0–1–1 1974 Wien SWM silver: 4×100 m medley relay (swam in heats only); 1977 Jönköping SWM bronze: 4×100 m medley relay (swam in heats only) |
| Brigitte Becue | BEL |
SWM | Olympics | 1988—2000 | 3–3–3 1989 Bonn SWM silver: 200 m breaststroke; 1993 Sheffield SWM gold: 200 m breaststroke; 1995 Wien SWM gold: 100 m breaststroke and 200 m breaststroke, silver: 200 m medley; 1997 Sevilla SWM bronze: 100 m breaststroke and 200 m breaststroke; 1999 İstanbul SWM bronze: 100 m breaststroke; 2000 Helsinki SWM silver: 4×100 m medley relay |
| Inge Beeken | DEN |
DIV | Olympics | 1948 | 1–0–0 1938 London DIV gold: platform |
| Semyon Belits-Geyman | RUS URS |
SWM | Olympics | 1964—1968 | 2–1–0 1966 Utrecht SWM gold: 1500 m freestyle and 4×200 m freestyle relay, silver: 400 m freestyle |
| Anders Bellbring | SWE |
SWM | Olympics | 1972—1976 | 0–0–1 1974 Wien SWM bronze: 4×200 m freestyle relay |
| Mireia Belmonte | ESP |
SWM | Olympics / Other | 2008—2020 | 4–5–5 2000 Helsinki SWM bronze: 200 m butterfly; 2008 Eindhoven SWM gold: 200 m medley, bronze: 200 m butterfly; 2012 Debrecen SWM gold: 1500 m freestyle, silver: 400 m freestyle; 2014 Berlin SWM 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 SWM silver: 1500 m freestyle and 4×200 m freestyle relay, bronze: 400 m freestyle |
| Marco Belotti | ITA |
SWM | Olympics | 2008—2016 | 1–1–1 2008 Eindhoven SWM gold: 4×200 m freestyle relay (swam in heats only); 2012 Debrecen SWM silver: 4×200 m freestyle relay (swam in heats only); 2014 Berlin SWM bronze: 4×100 m freestyle relay (swam in heats only) |
| Darya Belyakina | RUS |
SWM | Olympics | 2008—2012 | 0–1–0 2008 Eindhoven SWM silver: 4×100 m medley relay |
| Michele Benedetti | ITA |
DIV | Olympics | 2012—2016 | 0–0–1 2006 Budapest DIV bronze: synchronized platform |
| Lars-Erik Bengtsson | SWE |
SWM | Olympics | 1960 | 1–0–0 1962 Leipzig SWM gold: 4×200 m freestyle relay |
| Craig Benson | GBR |
SWM | Olympics | 2012—2016 | 1–0–0 2016 London SWM gold: 4×100 m medley mixed relay (swam in heats only) |
| Conny van Bentum | NED |
SWM | Olympics | 1980—1988 | 0–3–9 1981 Split SWM bronze: 100 m freestyle, 200 m freestyle, and 4×100 m freestyle relay; 1983 Roma SWM 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 SWM silver: 4×200 m freestyle relay, bronze: 100 m freestyle and 4×100 m freestyle relay |
| Olha Beresnieva | UKR |
OWS/SWM | Olympics | 2000—2012 | 1–0–0 2010 Budapest SWM gold: 25 km |
| Guylaine Berger | FRA |
SWM | Olympics | 1972—1980 | 0–0–1 1974 Wien SWM bronze: 4×100 m freestyle relay |
| Friedel Berges | GER |
SWM | Olympics | 1928 | 2–1–1 1926 Budapest SWM gold: 4×200 m freestyle relay, silver: 1500 m freestyle, bronze: 400 m freestyle; 1927 Bologna SWM gold: 4×200 m freestyle relay |
| Elisabeth Berglund | SWE |
SWM | Olympics | 1968 | 0–0–1 1970 Barcelona SWM bronze: 4×100 m freestyle relay |
| Jean-Paul Berjeau | FRA |
SWM | Olympics | 1972 | 0–1–0 1970 Barcelona SWM silver: 4×100 m medley relay |
| Peter Bermel | FRG |
SWM | Olympics | 1988 | 0–0–1 1985 Sofia SWM bronze: 200 m medley |
| Alain Bernard | FRA |
SWM | Olympics | 2008—2012 | 4–2–1 2006 Budapest SWM bronze: 4×100 m freestyle relay; 2008 Eindhoven SWM gold: 50 m freestyle and 100 m freestyle; 2010 Budapest SWM gold: 100 m freestyle, silver: 4×100 m freestyle relay; 2012 Debrecen SWM gold: 4×100 m freestyle relay, silver: 100 m freestyle |
| Yohan Bernard | FRA |
SWM | Olympics | 2000 | 0–1–1 1999 İstanbul SWM bronze: 200 m breaststroke; 2002 Berlin SWM silver: 200 m breaststroke |
| Jo Bernardo | FRA |
SWM | Olympics | 1948—1952 | 0–1–1 1950 Wien SWM silver: 4×200 m freestyle relay, bronze: 1500 m freestyle |
| Jens-Peter Berndt | FRG |
SWM | Olympics | 1988 | 0–2–0 1983 Roma SWM silver: 200 m medley and 400 m medley |
| Péter Bernek | HUN |
SWM | Olympics / YOG | 2010—2020 | 0–1–3 2012 Debrecen SWM silver: 200 m backstroke, bronze: 4×200 m freestyle relay and 4×100 m medley relay; 2016 London SWM bronze: 400 m freestyle |
| Elena Bertocchi | ITA |
DIV | Olympics / YOG | 2010—2020 | 2–2–1 2016 London DIV silver: 1 m springboard; 2018 Glasgow DIV gold: synchronized springboard, bronze: 1 m springboard; 2020/2021 Budapest DIV gold: 1 m springboard, silver: synchronized springboard |
| Jack Besford | GBR |
SWM | Olympics | 1928—1936 | 1–0–0 1934 Magdeburg SWM gold: 100 m backstroke |
| Irina Bespalova | RUS |
SWM | Olympics | 2008—2012 | 0–1–0 2008 Eindhoven SWM silver: 4×100 m medley relay (swam in heats only) |
| Pascale Besson | FRA |
SWA | Olympics | 1984 | 1–1–0 1985 Sofia SWA gold: team, silver: duet |
| Toos Beumer | NED |
SWM | Olympics | 1964—1968 | 1–0–1 1966 Utrecht SWM gold: 4×100 m medley relay, bronze: 4×100 m freestyle relay |
| Ina Beyermann | FRG |
SWM | Olympics | 1984—1988 | 0–1–2 1983 Roma SWM silver: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay and 4×100 m medley relay |
| Urša Bežan | SLO |
SWM | Olympics | 2012 | 0–0–1 2012 Debrecen SWM bronze: 4×200 m freestyle relay |
| Ilaria Bianchi | ITA |
SWM | Olympics | 2008—2020 | 0–3–2 2012 Debrecen SWM silver: 4×100 m medley relay; 2014 Berlin SWM bronze: 100 m butterfly; 2016 London SWM 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 | Olympics | 1996—2000 | 0–1–4 1995 Wien SWA bronze: team; 1997 Sevilla SWA bronze: duet and team; 1999 İstanbul SWA bronze: team; 2000 Helsinki SWA silver: team |
| Bence Biczó | HUN |
SWM | Olympics / YOG | 2010—2012 | 0–2–0 2012 Debrecen SWM silver: 200 m butterfly; 2014 Berlin SWM silver: 200 m butterfly |
| Paul Biedermann | GER |
SWM | Olympics | 2008—2016 | 6–3–0 2008 Eindhoven SWM gold: 200 m freestyle; 2010 Budapest SWM gold: 200 m freestyle, silver: 400 m freestyle and 4×200 m freestyle relay; 2012 Debrecen SWM gold: 200 m freestyle, 400 m freestyle, and 4×200 m freestyle relay; 2014 Berlin SWM gold: 4×200 m freestyle relay, silver: 200 m freestyle |
| Hedy Bienenfeld | AUT |
SWM | Olympics | 1928 | 0–0–1 1927 Bologna SWM bronze: 200 m breaststroke |
| Johann Le Bihan | FRA |
SWM | Olympics | 2000 | 0–0–1 2000 Helsinki SWM bronze: 400 m medley |
| Klenie Bimolt | NED |
SWM | Olympics | 1964—1968 | 0–2–0 1962 Leipzig SWM silver: 200 m breaststroke and 4×100 m medley relay |
| Aladár Bitskey | HUN |
SWM | Olympics / Non-starter | 1924—1928 | 0–2–0 1927 Bologna SWM silver: 100 m backstroke; 1931 Paris SWM silver: 100 m backstroke |
| Zoltán Bitskey | HUN |
SWM | Olympics | 1924 | 0–1–0 1926 Budapest SWM silver: 4×200 m freestyle relay |
| Ian Black | GBR |
SWM | Olympics | 1960 | 3–0–0 1958 Budapest SWM gold: 400 m freestyle, 1500 m freestyle, and 200 m butterfly |
| Alicia Blagg | GBR |
DIV | Olympics | 2012—2016 | 0–2–0 2016 London DIV silver: synchronized springboard; 2018 Edinburgh DIV silver: 3 m springboard |
| Constantin Blaha | AUT |
DIV | Olympics | 2008—2016 | 0–0–1 2016 London DIV bronze: 1 m springboard |
| Pernille Blume | DEN |
SWM | Olympics / Other | 2012—2020 | 1–3–1 2014 Berlin SWM gold: 4×100 m medley relay; 2018 Glasgow SWM silver: 50 m freestyle and 4×100 m medley relay, bronze: 4×100 m freestyle relay; 2020/2021 Budapest SWM silver: 50 m freestyle |
| Claudia Bockner | GER |
DIV | Olympics | 1996 | 1–0–1 1995 Wien DIV bronze: 3 m springboard; 1997 Sevilla DIV gold: synchronized springboard |
| Richárd Bodor | HUN |
SWM | Olympics | 2004—2008 | 0–0–3 2004 Madrid SWM bronze: 100 m breaststroke, 200 m breaststroke, and 4×100 m medley relay |
| Andrey Bogdanov | RUS URS |
SWM | Olympics | 1976 | 0–0–1 1977 Jönköping SWM bronze: 4×100 m freestyle relay (swam in heats only) |
| Yuliya Bogdanova | RUS URS |
SWM | Olympics | 1980 | 2–1–0 1977 Jönköping SWM gold: 100 m breaststroke and 200 m breaststroke, silver: 4×100 m medley relay |
| Alessio Boggiatto | ITA |
SWM | Olympics | 2000—2008 | 1–2–2 2002 Berlin SWM gold: 400 m medley, silver: 200 m medley; 2004 Madrid SWM bronze: 400 m medley; 2006 Budapest SWM silver: 200 m medley, bronze: 400 m medley |
| Chiara Boggiatto | ITA |
SWM | Olympics | 2004—2012 | 0–1–0 2012 Debrecen SWM silver: 4×100 m medley relay |
| Yelena Bogomazova | RUS |
SWM | Olympics | 2004—2008 | 1–2–3 2002 Berlin SWM bronze: 50 m breaststroke and 100 m breaststroke; 2004 Madrid SWM silver: 50 m breaststroke and 100 m breaststroke, bronze: 200 m breaststroke; 2006 Budapest SWM gold: 50 m breaststroke |
| Tanya Bogomilova-Dangalakova | BUL |
SWM | Olympics | 1980—1988 | 1–1–5 1983 Roma SWM bronze: 100 m breaststroke (competed as Tanya Bogomilova); 1985 Sofia SWM gold: 200 m breaststroke, bronze: 100 m breaststroke and 4×100 m medley relay (competed as Tanya Bogomilova); 1989 Bonn SWM silver: 100 m breaststroke (competed as Tanya Dangalakova); 1991 Athina SWM bronze: 100 m breaststroke and 200 m breaststroke (competed as Tanya Dangalakova) |
| Richárd Bohus | HUN |
SWM | Olympics | 2012—2020 | 0–1–2 2012 Debrecen SWM bronze: 50 m backstroke; 2016 London SWM silver: 50 m backstroke, bronze: 4×100 m medley relay |
| Jean Boiteux | FRA |
SWM | Olympics | 1952—1960 | 0–4–0 1950 Wien SWM silver: 400 m freestyle, 1500 m freestyle, and 4×200 m freestyle relay; 1954 Torino SWM silver: 4×200 m freestyle relay |
| Sergey Bolshakov | RUS |
OWS | Olympics | 2012 | 0–0–1 2010 Budapest SWM bronze: 5 km team |
| Oleksandr Bondar | ROC UKR |
DIV | Olympics / YOG | 2010—2020 | 3–3–2 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); 2020/2021 Budapest DIV gold: platform, silver: synchronized platform (competed as Aleksandr Bondar for Russia) |
| Svitlana Bondarenko | UKR |
SWM | Olympics | 1996—2004 | 1–9–2 1991 Athina SWM silver: 100 m breaststroke (competed for the Soviet Union); 1993 Sheffield SWM silver: 100 m breaststroke; 1995 Wien SWM silver: 100 m breaststroke and 200 m breaststroke; 1997 Sevilla SWM silver: 100 m breaststroke; 1999 İstanbul SWM silver: 100 m breaststroke; 2000 Helsinki SWM bronze: 100 m breaststroke; 2002 Berlin SWM silver: 50 m breaststroke and 100 m breaststroke, bronze: 4×100 m medley relay; 2004 Madrid SWM gold: 100 m breaststroke, silver: 4×100 m medley relay |
| Charlotte Bonnet | FRA |
SWM | Olympics | 2012—2020 | 3–0–4 2016 London SWM bronze: 200 m freestyle and 4×100 m freestyle mixed relay; 2018 Glasgow SWM gold: 200 m freestyle, 4×100 m freestyle relay, and 4×100 m freestyle mixed relay, bronze: 100 m freestyle; 2020/2021 Budapest SWM bronze: 4×100 m freestyle relay |
| Lies Bonnier | NED |
SWM | Olympics | 1952 | 0–1–0 1950 Wien SWM silver: 200 m breaststroke |
| Johan Bontekoe | NED |
SWM | Olympics | 1964 | 1–0–0 1962 Leipzig SWM gold: 400 m freestyle |
| Christophe Bordeau | FRA |
SWM | Olympics | 1988—1996 | 0–0–2 1991 Athina SWM bronze: 200 m butterfly; 1993 Sheffield SWM bronze: 4×200 m freestyle relay |
| Åke Borg | SWE |
SWM | Olympics / Non-starter | 1924—1928 | 0–1–1 1926 Budapest SWM bronze: 4×200 m freestyle relay; 1927 Bologna SWM silver: 4×200 m freestyle relay |
| Arne Borg | SWE |
SWM | Olympics | 1920—1928 | 5–2–1 1926 Budapest SWM gold: 400 m freestyle and 1500 m freestyle, silver: 100 m freestyle, bronze: 4×200 m freestyle relay; 1927 Bologna SWM gold: 100 m freestyle, 400 m freestyle, and 1500 m freestyle, silver: 4×200 m freestyle relay |
| Björn Borg | SWE |
SWM | Olympics | 1936 | 2–0–0 1938 London SWM gold: 400 m freestyle and 1500 m freestyle |
| Karin Bormann | FRG |
SWM | Olympics | 1972—1976 | 0–0–1 1970 Barcelona SWM bronze: 4×100 m medley relay (swam in heats only) |
| Klara Bornett | AUT |
DIV | Olympics | 1924—1928 | 1–0–0 1927 Bologna DIV gold: 3 m springboard |
| Susanne Börnike | GDR |
SWM | Olympics | 1988 | 3–0–1 1985 SWM Sofia bronze: 200 m medley; 1989 Bonn SWM gold: 100 m breaststroke, 200 m breaststroke, and 4×100 m medley relay |
| Edith Boss | SUI |
SWA | Olympics | 1984—1988 | 0–1–4 1981 Split SWA bronze: team; 1987 Strasbourg SWA silver: duet, bronze: team; 1989 Bonn SWA bronze: duet and team |
| Paolo Bossini | ITA |
SWM | Olympics | 2004—2008 | 1–1–0 2004 Madrid SWM gold: 200 m breaststroke; 2006 Budapest SWM silver: 200 m breaststroke |
| Tine Bossuyt | BEL |
SWM | Olympics | 2000 | 0–0–1 2000 Helsinki SWM bronze: 4×100 m freestyle relay |
| Marjolijn Both | NED |
SWA | Olympics | 1992 | 0–0–1 1991 Athina SWA bronze: duet |
| Cinthia Bouhier | FRA |
SWA | Olympics | 2000 | 0–1–1 1999 İstanbul SWA silver: team; 2000 Helsinki SWA bronze: team |
| Lorys Bourelly | FRA |
SWM | Olympics | 2016 | 2–0–1 2012 Debrecen SWM gold: 4×100 m freestyle relay (swam in heats only); 2016 London SWM gold: 4×100 m freestyle relay (swam in heats only), bronze: 4×100 m freestyle mixed relay (swam in heats only) |
| Fréd Bousquet | FRA |
SWM | Olympics | 2000—2016 | 4–2–3 2000 Helsinki SWM bronze: 4×100 m freestyle relay; 2006 Budapest SWM bronze: 4×100 m freestyle relay (swam in heats only); 2010 Budapest SWM gold: 50 m freestyle and: 4×100 m medley relay, silver: 50 m butterfly; 2012 Debrecen SWM gold: 50 m freestyle ans 4×100 m freestyle relay, silver: 50 m butterfly; 2016 London SWM bronze: 4×100 m freestyle mixed relay (swam in heats only) |
| Rachel le Bozec | FRA |
SWA | Olympics | 2000 | 0–2–1 1995 Wien SWA silver: team (competed in technical prelim only); 1997 Sevilla SWA silver: team (competed in technical prelim only); 1999 İstanbul SWA silver: team; 2000 Helsinki SWA bronze: team |
| Alicia Bozon | FRA |
SWM | Olympics | 2000 | 0–0–1 2000 Helsinki SWM bronze: 4×200 m freestyle relay |
| Gilbert Bozon | FRA |
SWM | Olympics | 1952—1956 | 1–1–0 1954 Torino SWM gold: 100 m backstroke, silver: 4×200 m freestyle relay |
| Elisa Bozzo | ITA |
SWA | Olympics | 2016 | 0–3–7 2006 Budapest SWA bronze: team Free and team Free Routine Combination; 2008 Eindhoven SWA silver: team Free and team Free Routine Combination; 2012 Eindhoven SWA bronze: team Free and team Free Routine Combination; 2014 Berlin SWA bronze: team Free Routine Combination; 2016 London SWA silver: team Free, bronze: team Technical and team Free Routine Combination |
| Marco Braida | ITA |
SWM | Olympics | 1992 | 0–0–1 1989 Bonn SWM bronze: 4×100 m medley relay |
| David Brandl | AUT |
SWM | Olympics | 2008—2016 | 0–0–1 2008 Eindhoven SWM bronze: 4×200 m freestyle relay |
| Dorothea Brandt | GER |
SWM | Olympics | 2004—2016 | 1–0–0 2010 Budapest SWM gold: 4×100 m freestyle relay (swam in heats only) |
| Ralf Braun | GER |
SWM | Olympics | 1996—2000 | 1–1–1 1997 Sevilla SWM silver: 4×100 m medley relay, bronze: 200 m backstroke; 1999 İstanbul SWM gold: 200 m backstroke |
| Emiliano Brembilla | ITA |
SWM | Olympics | 1996—2008 | 10–3–0 1997 Sevilla SWM gold: 400 m freestyle and 1500 m freestyle; 1999 İstanbul SWM silver: 400 m freestyle; 2000 Helsinki SWM gold: 400 m freestyle and 4×200 m freestyle relay, silver: 1500 m freestyle; 2002 Berlin SWM gold: 400 m freestyle and 4×200 m freestyle relay, silver: 200 m freestyle; 2004 Madrid SWM gold: 400 m freestyle and 4×200 m freestyle relay; 2006 Budapest SWM gold: 4×200 m freestyle relay (swam in heats only); 2008 Eindhoven SWM gold: 4×200 m freestyle relay |
| Chris-Carol Bremer | GER |
SWM | Olympics | 1992—1996 | 0–0–2 1993 Sheffield SWM bronze: 200 m butterfly; 1995 Wien SWM bronze: 200 m butterfly |
| Karine Brémond | FRA |
SWM | Olympics | 1996—2000 | 0–0–1 2000 Helsinki SWM bronze: 200 m breaststroke |
| Roman Brener | URS UKR |
DIV | Olympics | 1952—1956 | 2–0–1 1954 Torino DIV gold: 3 m springboard and platform; 1958 Budapest DIV bronze: 3 m springboard |
| Rosalind Brett | GBR |
SWM | Olympics | 2000 | 1–0–0 2006 Budapest SWM gold: 4×100 m medley relay (swam in heats only) |
| Serhiy Breus | UKR |
SWM | Olympics | 2008 | 2–2–1 2004 Madrid SWM gold: 50 m butterfly; 2006 Budapest SWM gold: 50 m butterfly, silver: 4×100 m medley relay (swam in heats only); 2008 Eindhoven SWM silver: 50 m butterfly; 2012 Debrecen SWM bronze: 800 m freestyle |
| Karin Brienesse | NED |
SWM | Olympics | 1988—1996 | 1–2–3 1985 Sofia SWM bronze: 4×100 m freestyle relay; 1987 Strasbourg SWM silver: 4×100 m freestyle relay; 1991 Athina SWM 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 |
SWM | Olympics | 1972—1976 | 0–4–3 1974 Wien SWM silver: 200 m freestyle and 4×100 m freestyle relay, bronze: 100 m freestyle, 100 m backstroke, and 200 m backstroke; 1977 Jönköping SWM silver: 100 m freestyle and 4×100 m freestyle relay |
| Brian Brinkley | GBR |
SWM | Olympics | 1972—1976 | 0–2–0 1974 Wien SWM silver: 200 m butterfly and 4×100 m medley relay |
| John Brockway | GBR |
SWM | Olympics | 1948—1956 | 0–0–1 1954 Torino SWM bronze: 100 m backstroke |
| Viktor Bromer | DEN |
SWM | Olympics | 2016 | 1–1–0 2014 Berlin SWM gold: 200 m butterfly; 2016 London SWM silver: 200 m butterfly |
| Suki Brownsdon | GBR |
SWM | Olympics | 1980—1992 | 0–1–0 1981 Split SWM silver: 100 m breaststroke |
| Peter Bruch | GDR |
SWM | Olympics | 1972 | 0–0–1 1974 Wien SWM bronze: 4×100 m freestyle relay (swam in heats only) |
| Annika Bruhn | GER |
SWM | Olympics | 2012—2020 | 1–0–1 2018 Glasgow SWM gold: 4×200 m freestyle mixed relay, bronze: 4×200 m freestyle relay |
| Inge de Bruijn | NED |
SWM | Olympics / Other | 1992—2004 | 3–2–3 1991 Athina SWM gold: 4×100 m freestyle relay, silver: 100 m butterfly, bronze: 50 m freestyle and 4×100 m medley relay; 1993 Sheffield SWM bronze: 50 m freestyle; 1999 İstanbul SWM gold: 50 m freestyle and 100 m butterfly, silver: 100 m freestyle |
| Mara Brunetti | ITA |
SWA | Olympics | 1996—2000 | 0–1–2 1995 Wien SWA bronze: team; 1999 İstanbul SWA bronze: team; 2000 Helsinki SWA silver: team |
| Rachele Bruni | ITA |
OWS | Olympics | 2016—2020 | 9–2–2 2008 Dubrovnik SWM gold: 5 km and 5 km team; 2010 Budapest SWM silver: 5 km team; 2011 Eilat SWM gold: 5 km and 5 km team, silver: 10 km; 2012 Piombino SWM gold: 5 km and 5 km team; 2016 Hoorn SWM gold: 10 km and 5 km team; 2018 Loch Lomond SWM bronze: 5 km; 2020/2021 Budapest SWM gold: 5 km team, bronze: 10 km |
| Lennart Brunnhage | SWE |
DIV | Olympics | 1948 | 0–1–0 1947 Monte Carlo DIV silver: platform |
| Olga Brusnikina | RUS |
SWA | Olympics | 1996—2004 | 11–0–0 1993 Sheffield SWA gold: team; 1995 Wien SWA gold: team; 1997 Sevilla SWA gold: duet and team; 1999 İstanbul SWA gold: solo, duet, and team; 2000 Helsinki SWA gold: solo, duet, and team; 2004 Madrid SWA gold: team Free |