Olympians Who Won a Medal at the World Short-Course Swimming Championships (25 m) (812)
Description
Host cities:
- 1993 Palma de Mallorca (ESP) 2-5 December 1993
- 1995 Rio de Janeiro (BRA) 30 November-3 December 1995
- 1997 Göteborg (Gothenburg) (SWE) 16-20 April 1997
- 1999 Hong Kong (HKG) 1-4 April 1999
- 2000 Athina (Athens) (GRE) 16-19 March 2000
- 2002 Moskva (Moscow) (RUS) 3-7 April 2002
- 2004 Indianapolis (USA) 7-11 October 2004
- 2006 Shanghai (CHN) 5-9 April 2006
- 2008 Manchester (GBR) 9-13 April 2088
- 2010 Dubai (UAE) 15-19 December 2010
- 2012 İstanbul (TUR) 12-16 December 2012
- 2014 Doha (QAT) 3-7 December 2014
- 2016 Windsor (CAN) 6-11 December 2016
- 2018 Hangzhou (CHN) 11-16 December 2018
- 2021 Abu Dhabi (UAE)
| Athlete | Nation(s) | Sport(s) | Era | Notes |
|---|---|---|---|---|
| Stefan Aartsen |  NED |
SWI | 1996—2000 | 0–1–0 1999 Hong Kong silver: 4×100 m freestyle relay (swam in heats only) |
| Helena Åberg |  SWE |
SWI | 1988 | 0–0–1 1997 Göteborg bronze: 4×100 m freestyle relay (swam in heats only) |
| Becky Adlington |  GBR |
SWI | 2008—2012 | 1–1–1 2008 Manchester gold: 800 m freestyle, silver: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay (swam in heats only) |
| Nathan Adrian |  USA |
SWI | 2008—2016 | 2–1–0 2008 Manchester gold: 100 m freestyle and 4×100 m freestyle relay, silver: 4×100 m medley relay |
| Serhiy Advena |  UKR |
SWI | 2004—2008 | 0–0–1 2006 Shanghai bronze: 4×100 m medley relay |
| Robin van Aggele | NED |
SWI | 2008 | 0–1–0 2008 Manchester silver: 4×100 m freestyle relay |
| Yannick Agnel |  FRA |
SWI | 2012—2016 | 1–0–1 2010 Dubai gold: 4×100 m freestyle relay, bronze: 4×200 m freestyle relay |
| Ai Yanhan |  CHN |
SWI | 2016 | 1–0–0 2018 Hangzhou gold: 4×200 m freestyle relay (swam in heats only) |
| Piotr Albiński |  POL |
SWI | 1992 | 0–0–1 1993 Palma de Mallorca bronze: 1500 m freestyle |
| Mikhail Aleksandrov |  BUL |
SWI | 2004—2008 | 2–0–0 2010 Dubai gold: 4×100 m medley relay; 2012 İstanbul gold: 4×100 m medley relay (swam in heats only) |
| Malcolm Allen |  AUS |
SWI | 1996 | 1–0–1 1995 Rio de Janeiro gold: 4×200 m freestyle relay, bronze: 400 m freestyle |
| Brandonn Almeida |  BRA |
SWI | 2016 | 0–0–1 2018 Hangzhou bronze: 400 m medley |
| Franziska van Almsick |  GER |
SWI | 1992—2004 | 0–1–0 1995 Rio de Janeiro silver: 4×200 m freestyle relay |
| Therèse Alshammar | SWE |
SWI | 1996—2016 | 10–3–4 1997 Göteborg bronze: 4×100 m freestyle relay; 1999 Hong Kong bronze: 4×100 m medley relay; 2000 Athina gold: 50 m freestyle, 100 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay; 2002 Moskva gold: 50 m freestyle, 100 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay; 2004 Indianapolis silver: 4×100 m freestyle relay, bronze: 50 m freestyle; 2006 Shanghai gold: 50 m butterfly, silver: 50 m freestyle, bronze: 4×100 m freestyle relay; 2010 Dubai gold: 50 m butterfly, silver: 100 m butterfly |
| Yevgeny Alyoshin |  RUS |
SWI | 2004 | 0–0–1 2002 Moskva bronze: 4×100 m medley relay |
| Jessica Amey |  CAN |
SWI | 1996 | 0–1–0 1995 Rio de Janeiro silver: 4×100 m medley relay |
| Vladislav Aminov | RUS |
SWI | 2000 | 0–0–1 2002 Moskva bronze: 4×100 m medley relay (swam in heats only) |
| Iryna Amshennikova | UKR |
SWI | 2004—2008 | 0–0–1 2002 Moskva bronze: 200 m backstroke |
| Vyacheslav Andrusenko | RUS |
SWI | 2016 | 0–0–1 2014 Doha bronze: 4×200 m freestyle relay |
| Ayari Aoyama |  JPN |
SWI | 1996 | 1–0–1 1999 Hong Kong gold: 4×100 m medley relay, bronze: 100 m butterfly |
| Alia Atkinson |  JAM |
SWI | 2004—2016 | 4–4–2 2012 İstanbul silver: 50 m breaststroke and 100 m breaststroke; 2014 Doha gold: 50 m breaststroke, silver: 100 m breaststroke; 2016 Windsor gold: 100 m breaststroke, silver: 50 m breaststroke, bronze: 100 m medley; 2018 Hangzhou gold: 50 m breaststroke and 100 m breaststroke, bronze: 100 m medley |
| Angie Bainbridge | AUS |
SWI | 2008—2012 | 0–3–2 2008 Manchester silver: 4×100 m freestyle relay, bronze: 4×200 m freestyle relay and 4×100 m medley relay (swam in heats only); 2012 İstanbul silver: 4×100 m freestyle relay and 4×100 m medley relay |
| Kathleen Baker | USA |
SWI | 2016 | 2–2–1 2014 Doha silver: 4×50 m freestyle relay (swam in heats only); 2018 Hangzhou gold: 4×50 m medley relay (swam in heats only) and 4×100 m medley relay (swam in heats only), silver: 200 m backstroke, bronze: 200 m medley |
| Coralie Balmy | FRA |
SWI | 2008—2016 | 0–0–1 2010 Dubai bronze: 4×200 m freestyle relay |
| Natalia Baranovskaya-Khatziloizou |  BLR CYP |
SWI | 1996—2008 | 0–0–1 2000 Athina bronze: 200 m freestyle (competed as Natalia Baranovskaya for Belarus) |
| Henrique Barbosa | BRA |
SWI | 2008—2012 | 0–0–1 2010 Dubai bronze: 4×100 m medley relay (swam in heats only) |
| Georgina Bardach |  ARG |
SWI | 2000—2012 | 0–0–1 2002 Moskva bronze: 400 m medley |
| Bronte Barratt | AUS |
SWI | 2008—2016 | 1–2–1 2006 Shanghai gold: 4×200 m freestyle relay, silver: 400 m freestyle; 2008 Manchester silver: 4×100 m freestyle relay (swam in heats only), bronze: 4×200 m freestyle relay |
| Simona Baumrtová |  CZE |
SWI | 2012—2016 | 0–0–1 2012 İstanbul bronze: 100 m backstroke |
| Amanda Beard | USA |
SWI | 1996—2008 | 0–4–0 1997 Göteborg silver: 4×100 m medley relay; 2002 Moskva silver: 4×100 m medley relay; 2004 Indianapolis silver: 200 m breaststroke and 4×100 m medley relay (swam in heats only) |
| Lourdes Becerra |  ESP |
SWI | 1992—2000 | 0–0–1 1999 Hong Kong bronze: 400 m medley |
| Julia Beckett | GBR |
SWI | 2008 | 0–0–1 2008 Manchester bronze: 4×100 m freestyle relay |
| B. J. Bedford | USA |
SWI | 2000 | 0–0–2 1995 Rio de Janeiro bronze: 100 m backstroke and 4×100 m medley relay |
| Paul Belk | GBR |
SWI | 2000 | 0–0–1 2000 Athina bronze: 4×100 m medley relay |
| Daniel Bell |  NZL |
SWI | 2008—2012 | 0–0–1 2008 Manchester bronze: 4×100 m medley relay |
| Marco Belotti |  ITA |
SWI | 2008—2016 | 0–1–2 2008 Manchester bronze: 4×200 m freestyle relay (swam in heats only); 2014 Doha silver: 4×200 m freestyle relay, bronze: 4×50 m freestyle relay |
| Darya Belyakina | RUS |
SWI | 2008—2012 | 0–1–0 2012 İstanbul silver: 4×200 m freestyle relay |
| Lindsay Benko | USA |
SWI | 2000—2004 | 5–4–1 2000 Athina gold: 400 m freestyle, silver: 4×200 m freestyle relay, bronze: 200 m backstroke; 2002 Moskva gold: 200 m freestyle, 200 m backstroke, silver: 4×200 m freestyle relay and 4×100 m medley relay; 2004 Indianapolis gold: 200 m freestyle, 4×100 m freestyle relay, and 4×200 m freestyle relay |
| Brooke Bennett | USA |
SWI | 1996—2000 | 0–2–0 2000 Athina silver: 800 m freestyle and 4×200 m freestyle relay |
| Neisser Bent |  CUB |
SWI | 1996—2000 | 2–0–0 1997 Göteborg gold: 100 m backstroke and 200 m backstroke |
| Ricky Berens | USA |
SWI | 2008—2012 | 0–1–0 2010 Dubai silver: 4×200 m freestyle relay |
| Igor Berezutsky | RUS |
SWI | 2004 | 0–0–2 2006 Shanghai bronze: 200 m medley and 400 m medley |
| Alain Bernard | FRA |
SWI | 2008—2012 | 1–0–0 2010 Dubai gold: 4×100 m freestyle relay |
| Péter Bernek |  HUN |
SWI | 2010—2016 | 1–0–1 2014 Doha gold: 400 m freestyle; 2016 Windsor bronze: 400 m freestyle |
| Ilaria Bianchi | ITA |
SWI | 2008—2016 | 1–0–1 2012 İstanbul gold: 100 m butterfly; 2018 Hangzhou bronze: 4×100 m medley relay (swam in heats only) |
| Luca Bianchin | ITA |
SWI | 1992 | 0–1–0 1993 Palma de Mallorca silver: 200 m backstroke |
| Paul Biedermann | GER |
SWI | 2008—2016 | 2–1–1 2010 Dubai gold: 400 m freestyle; 2012 İstanbul gold: 400 m freestyle, silver: 200 m freestyle, bronze: 4×200 m freestyle relay |
| Simonas Bilis |  LTU |
SWI | 2016 | 1–0–1 2016 Windsor gold: 100 m freestyle, bronze: 50 m freestyle |
| Suzaan van Biljon |  RSA |
SWI | 2008—2012 | 1–1–1 2006 Shanghai silver: 100 m breaststroke; 2008 Manchester gold: 200 m breaststroke, bronze: 100 m breaststroke |
| Pernille Blume |  DEN |
SWI | 2012—2016 | 3–0–2 2012 İstanbul gold: 4×100 m medley relay, bronze: 4×100 m freestyle relay; 2014 Doha gold: 4×50 m medley relay and 4×100 m medley relay, bronze: 4×50 m freestyle relay |
| Yelena Bogomazova | RUS |
SWI | 2004—2008 | 0–0–1 2000 Athina bronze: 100 m breaststroke |
| Svitlana Bondarenko | UKR |
SWI | 1996—2004 | 0–2–1 1995 Rio de Janeiro silver: 100 m breaststroke and 200 m breaststroke; 1997 Göteborg bronze: 100 m breaststroke |
| Charlotte Bonnet | FRA |
SWI | 2012—2016 | 0–0–1 2014 Doha bronze: 4×50 m medley relay |
| Gustavo Borges | BRA |
SWI | 1992—2004 | 4–4–2 1993 Palma de Mallorca gold: 4×100 m freestyle relay, silver: 100 m freestyle, bronze: 4×200 m freestyle relay; 1995 Rio de Janeiro gold: 200 m freestyle and 4×100 m freestyle relay, silver: 100 m freestyle, bronze: 4×200 m freestyle relay; 1997 Göteborg gold: 200 m freestyle, silver: 100 m freestyle; 2002 Moskva silver: 200 m freestyle |
| Vered Borochovsky |  ISR |
SWI | 2000—2004 | 0–0–1 2002 Moskva bronze: 50 m butterfly |
| Ihor Borysyk | UKR |
SWI | 2008—2012 | 1–1–0 2008 Manchester gold: 100 m breaststroke, silver: 200 m breaststroke |
| Fréd Bousquet | FRA |
SWI | 2000—2016 | 1–1–0 2010 Dubai gold: 4×100 m freestyle relay, silver: 50 m freestyle |
| George Bovell |  TTO |
SWI | 2000—2016 | 0–0–1 2012 İstanbul bronze: 100 m medley |
| Lauren Boyle | NZL |
SWI | 2008—2016 | 1–0–1 2012 İstanbul gold: 800 m freestyle, bronze: 400 m freestyle |
| Dorothea Brandt | GER |
SWI | 2004—2016 | 0–0–1 2014 Doha bronze: 50 m freestyle |
| Trent Bray | NZL |
SWI | 1992—1996 | 1–3–0 1993 Palma de Mallorca silver: 200 m freestyle; 1995 Rio de Janeiro gold: 4×100 m medley relay, silver: 200 m freestyle; 1997 Göteborg silver: 200 m freestyle |
| Elaine Breeden | USA |
SWI | 2008 | 0–1–0 2006 Shanghai silver: 4×100 m medley relay (swam in heats only) |
| Emiliano Brembilla | ITA |
SWI | 1996—2008 | 0–0–1 2008 Manchester bronze: 4×200 m freestyle relay |
| Chris-Carol Bremer | GER |
SWI | 1992—1996 | 0–2–2 1993 Palma de Mallorca silver: 4×200 m freestyle relay, bronze: 200 m butterfly; 1995 Rio de Janeiro silver: 4×200 m freestyle relay, bronze: 200 m butterfly |
| Serhiy Breus | UKR |
SWI | 2008 | 0–2–1 2006 Shanghai silver: 50 m butterfly, bronze: 4×100 m medley relay (swam in heats only); 2008 Manchester silver: 50 m butterfly |
| Brad Bridgewater | USA |
SWI | 1996 | 1–1–0 2000 Athina gold: 4×100 m medley relay (swam in heats only), silver: 200 m backstroke |
| Sion Brinn | GBRJAM |
SWI | 1996—2000 | 0–1–1 1999 Hong Kong silver: 4×200 m freestyle relay, bronze: 4×100 m medley relay (competed for Great Britain) |
| Grant Brits | AUS |
SWI | 2008 | 1–1–0 2006 Shanghai silver: 4×200 m freestyle relay; 2008 Manchester gold: 4×200 m freestyle relay |
| Sarah Bro | DEN |
SWI | 2016 | 0–0–1 2014 Doha bronze: 4×50 m freestyle relay (swam in heats only) |
| Rebecca Brown | AUS |
SWI | 2000 | 1–0–0 2000 Athina gold: 200 m breaststroke |
| Inge de Bruijn | NED |
SWI | 1992—2004 | 1–1–1 1999 Hong Kong gold: 50 m freestyle, silver: 4×100 m freestyle relay, bronze: 50 m butterfly |
| Aleksey Bryansky | RUS |
SWI | 2016 | 4–0–0 2016 Windsor gold: 4×50 m freestyle relay, 4×100 m freestyle relay (swam in heats only), 4×50 m medley relay (swam in heats only), and 4×50 m freestyle mixed relay |
| Murray Burdan | NZL |
SWI | 1996 | 1–0–0 1995 Rio de Janeiro gold: 4×100 m medley relay (swam in heats only) |
| Cameron van der Burgh | RSA |
SWI | 2008—2016 | 4–3–1 2008 Manchester silver: 100 m breaststroke, bronze: 50 m breaststroke; 2010 Dubai gold: 100 m breaststroke, silver: 50 m breaststroke; 2014 Doha silver: 50 m breaststroke; 2016 Windsor gold: 50 m breaststroke; 2018 Hangzhou gold: 50 m breaststroke and 100 m breaststroke |
| Moss Burmester | NZL |
SWI | 2004—2008 | 1–1–0 2006 Shanghai silver: 200 m butterfly; 2008 Manchester gold: 200 m butterfly |
| Kim Busch | NED |
SWI | 2014 | 0–6–2 2016 Windsor silver: 4×50 m freestyle relay and 4×50 m freestyle mixed relay, bronze: 4×100 m freestyle relay; 2018 Hangzhou silver: 4×50 m freestyle relay, 4×100 m freestyle relay, 4×50 m freestyle mixed relay (swam in heats only), and 4×50 m medley mixed relay (swam in heats only), bronze: 4×50 m medley relay |
| Antje Buschschulte | GER |
SWI | 1996—2008 | 2–2–1 1997 Göteborg silver: 4×100 m freestyle relay; 2000 Athina gold: 50 m backstroke and 200 m backstroke, silver: 4×100 m freestyle relay, bronze: 100 m backstroke |
| Ricardo Busquets |  PUR |
SWI | 1992—2004 | 0–0–1 1997 Göteborg bronze: 50 m freestyle |
| Nicolae Butacu |  ROU |
SWI | 1996 | 0–0–1 1995 Rio de Janeiro bronze: 4×100 m freestyle relay |
| Derya Büyükuncu |  TUR |
SWI | 1992—2012 | 0–0–1 2000 Athina bronze: 100 m backstroke |
| Cai Huijue | CHN |
SWI | 1996 | 1–1–0 1997 Göteborg gold: 4×100 m medley relay, silver: 100 m butterfly |
| Hilary Caldwell | CAN |
SWI | 2012—2016 | 0–1–0 2016 Windsor silver: 4×100 m medley relay (swam in heats only) |
| Guy Callaghan | NZL |
SWI | 1992 | 1–0–0 1995 Rio de Janeiro gold: 4×100 m medley relay |
| Ashley Callus | AUS |
SWI | 2000—2008 | 2–1–0 2002 Moskva gold: 100 m freestyle, silver: 4×100 m medley relay; 2008 Manchester gold: 4×100 m medley relay |
| Alessandro Calvi | ITA |
SWI | 2004—2008 | 1–0–1 2006 Shanghai gold: 4×100 m freestyle relay; 2008 Manchester bronze: 4×200 m freestyle relay (swam in heats only) |
| Bronte Campbell | AUS |
SWI | 2012—2016 | 0–2–0 2014 Doha silver: 50 m freestyle and 4×100 m medley relay |
| Cao Yue | CHN |
SWI | 2016 | 0–1–0 2014 Doha silver: 4×200 m freestyle relay |
| Jazz Carlin | GBR |
SWI | 2016 | 0–1–0 2014 Doha silver: 800 m freestyle |
| Daniel Carlsson | SWE |
SWI | 2000 | 0–1–1 1999 Hong Kong silver: 4×100 m medley relay, bronze: 4×100 m freestyle relay |
| Cathrin Carlzon | SWE |
SWI | 2004 | 1–0–0 2002 Moskva gold: 4×100 m freestyle relay (swam in heats only) |
| Martina Carraro | ITA |
SWI | 2010—2016 | 0–1–2 2016 Windsor silver: 4×50 m medley relay; 2018 Hangzhou bronze: 50 m breaststroke and 4×100 m medley relay |
| Lara Carroll | AUS |
SWI | 2004 | 0–1–2 2004 Indianapolis silver: 200 m medley, bronze: 400 m medley; 2006 Shanghai bronze: 200 m medley |
| David Carry | GBR |
SWI | 2004—2012 | 0–1–0 2008 Manchester silver: 4×200 m freestyle relay |
| Jacob Carstensen | DEN |
SWI | 1996—2004 | 1–0–1 1997 Göteborg gold: 400 m freestyle; 2002 Moskva bronze: 400 m medley |
| Dylan Carter | TTO |
SWI | 2014—2016 | 0–0–1 2018 Hangzhou bronze: 50 m butterfly |
| Chad Carvin | USA |
SWI | 2000 | 3–2–4 1997 Göteborg silver: 400 m freestyle; 2000 Athina gold: 400 m freestyle and 4×200 m freestyle relay, bronze: 200 m freestyle and 1500 m freestyle; 2002 Moskva bronze: 400 m freestyle and 4×200 m freestyle relay; 2004 Indianapolis gold: 4×200 m freestyle relay silver: 400 m freestyle |
| Nicola Cassio | ITA |
SWI | 2008 | 1–0–1 2006 Shanghai gold: 4×200 m freestyle relay; 2008 Manchester bronze: 4×200 m freestyle relay |
| Alexianne Castel | FRA |
SWI | 2008—2012 | 1–0–0 2010 Dubai gold: 200 m backstroke |
| Rodrigo Castro | BRA |
SWI | 2000—2008 | 0–0–1 2004 Indianapolis bronze: 4×200 m freestyle relay |
| Chao Na | CHN |
SWI | 1996 | 2–1–0 1995 Rio de Janeiro gold: 4×100 m freestyle relay, silver: 100 m freestyle; 1997 Göteborg gold: 4×100 m freestyle relay |
| Nadezhda Chemezova | RUS |
SWI | 1996—2000 | 1–0–0 1999 Hong Kong gold: 400 m freestyle |
| Chen Hua | CHN |
SWI | 2000—2004 | 3–1–2 1999 Hong Kong gold: 800 m freestyle; 2000 Athina gold: 800 m freestyle, bronze: 400 m freestyle and 4×200 m freestyle relay (swam in heats only); 2002 Moskva gold: 800 m freestyle, silver: 400 m freestyle |
| Chen Qian | CHN |
SWI | 2012 | 1–0–0 2010 Dubai gold: 4×200 m freestyle relay |
| Chen Yan | CHN |
SWI | 1996 | 2–1–0 1997 Göteborg gold: 200 m backstroke and 4×200 m freestyle relay, silver: 100 m backstroke |
| Dmitry Chernyshov | RUS |
SWI | 2000 | 0–1–2 2000 Athina bronze: 4×200 m freestyle relay; 2002 Moskva silver: 4×200 m freestyle relay (swam in heats only), bronze: 4×100 m freestyle relay (swam in heats only) |
| Ihor Chervynskyi | UKR |
OWS/SWI | 2000—2012 | 0–1–0 2000 Athina silver: 1500 m freestyle |
| Marcelo Chierighini | BRA |
SWI | 2012—2016 | 0–0–2 2010 Dubai bronze: 4×100 m freestyle relay; 2018 Hangzhou bronze: 4×100 m freestyle relay |
| Henrik Christiansen |  NOR |
SWI | 2014—2016 | 0–1–1 2018 Hangzhou silver: 400 m freestyle, bronze: 1500 m freestyle |
| César Cielo Filho | BRA |
SWI | 2008—2012 | 5–1–6 2004 Indianapolis silver: 4×100 m freestyle relay; 2010 Dubai gold: 50 m freestyle and 100 m freestyle, bronze: 4×100 m freestyle relay and 4×100 m medley relay; 2014 Doha gold: 100 m freestyle, 4×50 m medley relay, and 4×100 m medley relay, bronze: 50 m freestyle and 4×50 m freestyle mixed relay; 2018 Hangzhou bronze: 4×100 m freestyle relay and 4×50 m medley relay |
| Mathilde Cini | FRA |
SWI | 2010—2016 | 0–0–1 2014 Doha bronze: 4×50 m medley relay |
| Tyler Clary | USA |
SWI | 2012 | 0–1–2 2010 Dubai silver: 200 m backstroke, bronze: 200 m medley and 400 m medley |
| Andrew Clayton | GBR |
SWI | 1996—2000 | 0–1–1 1997 Göteborg bronze: 4×200 m freestyle relay; 1999 Hong Kong silver: 4×200 m freestyle relay (swam in heats only) |
| Ryan Cochrane | CAN |
SWI | 2008—2016 | 0–0–1 2014 Doha bronze: 1500 m freestyle |
| Dimitri Colupaev | GER |
SWI | 2012 | 0–0–1 2012 İstanbul bronze: 4×200 m freestyle relay |
| Dragoș Coman | ROU |
SWI | 2000—2008 | 0–0–1 2004 Indianapolis bronze: 1500 m freestyle |
| Santo Condorelli | CAN |
SWI | 2016 | 0–0–1 2018 Hangzhou bronze: 4×50 m freestyle relay (competed for Italy) |
| Jack Conger | USA |
SWI | 2016 | 2–1–0 2018 Hangzhou gold: 4×50 m freestyle relay and 4×100 m medley relay (swam in heats only), silver: 4×50 m medley relay (swam in heats only) |
| Lars Conrad | GER |
SWI | 2000—2004 | 1–0–2 1997 Göteborg gold: 4×100 m freestyle relay, bronze: 200 m freestyle; 2000 Athina bronze: 4×100 m freestyle relay (swam in heats only) |
| Chris Cook | GBR |
SWI | 2004—2008 | 0–0–1 2006 Shanghai bronze: 50 m breaststroke |
| Rebecca Cooke | GBR |
SWI | 2000—2004 | 0–0–1 2006 Shanghai bronze: 800 m freestyle |
| Haley Cope | USA |
SWI | 2004 | 3–3–0 2002 Moskva gold: 100 m backstroke, silver: 50 m backstroke and 4×100 m medley relay; 2004 Indianapolis gold: 50 m backstroke and 100 m backstroke, silver: 4×100 m medley relay |
| André Cordeiro | BRA |
SWI | 1996 | 1–0–0 1995 Rio de Janeiro gold: 4×100 m freestyle relay |
| Kevin Cordes | USA |
SWI | 2016 | 1–0–1 2012 İstanbul gold: 4×100 m medley relay, bronze: 100 m breaststroke |
| Ritz Correia | USA |
SWI | 2004 | 1–1–1 2004 Indianapolis gold: 4×100 m freestyle relay (swam in heats only); 2006 Shanghai silver: 4×100 m medley relay, bronze: 100 m freestyle |
| Melani Costa | ESP |
SWI | 2008—2016 | 1–0–1 2012 İstanbul gold: 400 m freestyle, bronze: 200 m freestyle |
| Natalie Coughlin | USA |
SWI | 2004—2012 | 2–6–1 2008 Manchester silver: 4×100 m medley relay; 2010 Dubai gold: 100 m backstroke, silver: 4×100 m freestyle relay and 4×100 m medley relay, bronze: 100 m freestyle; 2014 Doha gold: 4×50 m freestyle mixed relay (swam in heats only), silver: 4×50 m freestyle relay, 4×100 m freestyle relay, and 4×50 m medley relay |
| José Couto |  POR |
SWI | 1996—2004 | 0–1–0 2002 Moskva silver: 50 m breaststroke |
| Kirsty Coventry |  ZIM |
IOC/SWI | 2000—2016 | 4–0–1 2008 Manchester gold: 100 m backstroke, 200 m backstroke, 200 m medley, and 400 m medley, bronze: 100 m medley |
| Ian Crocker | USA |
SWI | 2000—2008 | 4–0–0 2004 Indianapolis gold: 50 m butterfly, 100 m butterfly, 4×100 m freestyle relay (swam in heats only), and 4×100 m medley relay |
| László Cseh | HUN |
SWI | 2004—2016 | 0–2–2 2010 Dubai bronze: 200 m butterfly; 2012 İstanbul silver: 200 m butterfly and 400 m medley, bronze: 200 m medley |
| Andrea D'Arrigo | ITA |
SWI | 2016 | 0–1–0 2014 Doha silver: 4×200 m freestyle relay |
| Tommaso D'Orsogna | AUS |
SWI | 2012 | 0–3–5 2012 İstanbul silver: 100 m freestyle and 4×200 m freestyle relay, bronze: 4×100 m freestyle relay and 4×100 m medley relay; 2014 Doha bronze: 100 m butterfly; 2016 Windsor silver: 4×100 m medley relay, bronze: 100 m freestyle and 4×100 m freestyle relay |
| Duane Da Rocha | ESP |
SWI | 2012—2016 | 0–0–1 2012 İstanbul bronze: 200 m backstroke |
| Lara Davenport | AUS |
SWI | 2008 | 1–1–0 2006 Shanghai gold: 4×200 m freestyle relay (swam in heats only), silver: 4×100 m freestyle relay (swam in heats only) |
| Ross Davenport | GBR |
SWI | 2004—2012 | 0–1–0 2008 Manchester silver: 4×200 m freestyle relay |
| Dave Davies | GBR |
OWS/SWI | 2004—2012 | 0–1–0 2008 Manchester silver: 1500 m freestyle |
| Georgia Davies | GBR |
SWI | 2012—2016 | 0–0–2 2016 Windsor bronze: 100 m backstroke; 2018 Hangzhou bronze: 100 m backstroke |
| Josh Davis | USA |
SWI | 1996—2000 | 2–1–0 2000 Athina gold: 4×200 m freestyle relay and 4×100 m medley relay (swam in heats only), silver: 4×100 m freestyle relay |
| Brendon Dedekind | RSA |
SWI | 1996—2000 | 0–2–0 2000 Athina silver: 50 m freestyle and 50 m breaststroke |
| Markus Deibler | GER |
SWI | 2008—2012 | 1–1–0 2010 Dubai silver: 100 m medley; 2014 Doha gold: 100 m medley |
| Steffen Deibler | GER |
SWI | 2008—2016 | 0–0–1 2010 Dubai bronze: 50 m butterfly |
| Inge Dekker | NED |
SWI | 2004—2016 | 7–0–2 2006 Shanghai gold: 4×100 m freestyle relay; 2008 Manchester gold: 4×100 m freestyle relay and 4×200 m freestyle relay, bronze: 50 m butterfly; 2010 Dubai gold: 4×100 m freestyle relay; 2014 Doha gold: 4×50 m freestyle relay, 4×100 m freestyle relay, and 4×200 m freestyle relay, bronze: 50 m butterfly |
| Ron Dekker | NED |
SWI | 1988 | 0–1–0 1993 Palma de Mallorca silver: 100 m breaststroke |
| Ash Delaney | AUS |
SWI | 2008 | 0–0–1 2008 Manchester bronze: 50 m backstroke |
| Gabriele Detti | ITA |
SWI | 2012—2016 | 0–0–1 2018 Hangzhou bronze: 400 m freestyle |
| Leonardo de Deus | BRA |
SWI | 2012—2016 | 1–0–0 2018 Hangzhou gold: 4×200 m freestyle relay (swam in heats only) |
| Tamás Deutsch | HUN |
SWI | 1988—1996 | 0–0–1 1995 Rio de Janeiro bronze: 200 m backstroke |
| Nicolangelo Di Fabio | ITA |
SWI | 2014 | 0–1–1 2014 Doha silver: 4×200 m freestyle relay, bronze: 4×50 m freestyle relay (swam in heats only) |
| Elena Di Liddo | ITA |
SWI | 2010 | 0–0–1 2018 Hangzhou bronze: 4×100 m medley relay |
| Silvia Di Pietro | ITA |
SWI | 2016 | 0–3–3 2014 Doha bronze: 4×100 m freestyle relay and 4×50 m medley mixed relay; 2016 Windsor silver: 50 m freestyle, 4×100 m freestyle relay, and 4×50 m medley relay, bronze: 4×50 m freestyle relay |
| Daiene Dias | BRA |
SWI | 2016 | 0–0–1 2018 Hangzhou bronze: 100 m butterfly |
| William Diering | RSA |
SWI | 2008 | 0–0–1 2008 Manchester bronze: 200 m breaststroke |
| Mel Dodd | AUS |
SWI | 2000 | 0–1–1 1995 Rio de Janeiro silver: 4×100 m freestyle relay; 1999 Hong Kong bronze: 4×100 m freestyle relay |
| Helen Don-Duncan | GBR |
SWI | 2000 | 0–1–0 1999 Hong Kong silver: 200 m backstroke |
| Claire Donahue | USA |
SWI | 2012 | 0–1–1 2012 İstanbul bronze: 4×100 m medley relay; 2014 Doha silver: 4×50 m medley relay |
| Stanislav Donets | RUS |
SWI | 2008 | 3–3–4 2008 Manchester gold: 4×100 m medley relay, bronze: 100 m backstroke and 200 m backstroke; 2010 Dubai gold: 50 m backstroke and 100 m backstroke, silver: 4×100 m medley relay; 2012 İstanbul silver: 100 m backstroke and 4×100 m medley relay, bronze: 50 m backstroke; 2014 Doha bronze: 50 m backstroke |
| Luca Dotto | ITA |
SWI | 2012—2016 | 0–1–1 2014 Doha silver: 4×100 m freestyle relay, bronze: 4×50 m freestyle relay |
| Mikhail Dovgalyuk | RUS |
SWI | 2016 | 1–1–0 2016 Windsor gold: 4×200 m freestyle relay; 2018 Hangzhou silver: 4×200 m freestyle relay (swam in heats only) |
| Duje Draganja |  CRO |
SWI | 2000—2008 | 2–0–2 2004 Indianapolis bronze: 50 m butterfly; 2006 Shanghai gold: 50 m freestyle; 2008 Manchester gold: 50 m freestyle, bronze: 100 m freestyle |
| Caeleb Dressel | USA |
SWI | 2016 | 6–3–0 2018 Hangzhou gold: 100 m freestyle, 4×50 m freestyle relay, 4×100 m freestyle relay, 4×100 m medley relay, 4×50 m freestyle mixed relay, and 4×50 m medley mixed relay, silver: 50 m freestyle, 100 m butterfly, and 4×50 m medley relay |
| Konstantin Dubrovin | GER |
SWI | 1996 | 1–0–0 1997 Göteborg gold: 4×100 m freestyle relay (swam in heats only) |
| Damir Dugonjič |  SLO |
SWI | 2008—2016 | 0–2–0 2012 İstanbul silver: 50 m breaststroke and 100 m breaststroke |
| Matt Dunn | AUS |
SWI | 1992—2000 | 8–2–0 1995 Rio de Janeiro gold: 200 m medley, 400 m medley, and 4×200 m freestyle relay, silver: 4×100 m freestyle relay; 1997 Göteborg gold: 200 m medley, 400 m medley, and 4×200 m freestyle relay; 1999 Hong Kong gold: 200 m medley and 400 m medley, silver: 100 m medley |
| Nate Dusing | USA |
SWI | 2000—2004 | 1–0–0 2004 Indianapolis gold: 4×100 m freestyle relay |
| Conor Dwyer | USA |
SWI | 2012—2016 | 2–0–1 2012 İstanbul gold: 4×200 m freestyle relay, bronze: 200 m freestyle; 2014 Doha gold: 4×200 m freestyle relay |
| Valeriy Dymo | UKR |
SWI | 2004—2012 | 0–0–1 2008 Manchester bronze: 4×100 m medley relay (swam in heats only) |
| Sophie Edington | AUS |
SWI | 2008 | 2–1–3 2004 Indianapolis gold: 4×100 m medley relay, bronze: 50 m backstroke, 100 m backstroke, and 4×100 m freestyle relay (swam in heats only); 2006 Shanghai gold: 4×100 m medley relay (swam in heats only), silver: 4×100 m freestyle relay |
| Brittany Elmslie | AUS |
SWI | 2012—2016 | 1–0–1 2016 Windsor gold: 100 m freestyle, bronze: 4×100 m medley relay |
| Michelle Engelsman | AUS |
SWI | 2004 | 0–1–0 2006 Shanghai silver: 4×100 m freestyle relay (swam in heats only) |
| Anthony Ervin | USA |
SWI | 2000—2016 | 2–0–1 2012 İstanbul gold: 4×100 m freestyle relay and 4×100 m medley relay (swam in heats only), bronze: 50 m freestyle |
| Franck Esposito | FRA |
SWI | 1992—2004 | 1–0–0 1993 Palma de Mallorca gold: 200 m butterfly |
| Ophélie Etienne | FRA |
SWI | 2008—2012 | 0–0–1 2010 Dubai bronze: 4×200 m freestyle relay |
| Sarah Evanetz | CAN |
SWI | 1996 | 1–1–0 1995 Rio de Janeiro gold: 4×200 m freestyle relay, silver: 4×100 m medley relay (swam in heats only) |
| Blair Evans | AUS |
SWI | 2012—2016 | 0–1–0 2010 Dubai silver: 4×200 m freestyle relay |
| Janet Evans | USA |
SWI | 1988—1996 | 2–0–1 1993 Palma de Mallorca gold: 400 m freestyle and 800 m freestyle, bronze: 4×200 m freestyle relay |
| Rodolfo Falcón | CUB |
SWI | 1992—2000 | 4–1–2 1993 Palma de Mallorca bronze: 100 m backstroke; 1995 Rio de Janeiro gold: 100 m backstroke and 200 m backstroke; 1999 Hong Kong gold: 50 m backstroke and 100 m backstroke; 2000 Athina silver: 100 m backstroke, bronze: 50 m backstroke |
| Grigory Falko | RUS |
SWI | 2004—2008 | 0–0–1 2004 Indianapolis bronze: 4×100 m medley relay (swam in heats only) |
| Jimmy Feigen | USA |
SWI | 2012—2016 | 1–2–1 2012 Istanbul gold: 4×100 m freestyle relay; 2014 Doha silver: 4×50 m freestyle relay and 4×100 m medley relay (swam in heats only), bronze: 4×100 m freestyle relay |
| Jaime Fernández | ESP |
SWI | 1992 | 0–1–0 1993 Palma de Mallorca silver: 4×100 m medley relay |
| Erika Ferraioli | ITA |
SWI | 2008—2016 | 0–2–3 2014 Doha bronze: 4×100 m freestyle relay and 4×50 m medley mixed relay; 2016 Windsor silver: 4×50 m freestyle relay, 4×100 m freestyle relay, and 4×50 m medley relay |
| Teófilo Ferreira | BRA |
SWI | 1992 | 2–0–2 1993 Palma de Mallorca gold: 4×100 m freestyle relay, bronze: 4×200 m freestyle relay; 1995 Rio de Janeiro gold: 4×100 m freestyle relay (swam in heats only), bronze: 4×200 m freestyle relay |
| Sergey Fesikov | RUS |
SWI | 2008—2012 | 1–5–1 2010 Dubai silver: 4×100 m freestyle relay and 4×100 m medley relay (swam in heats only), bronze: 100 m medley; 2014 Doha gold: 4×50 m freestyle relay, silver: 4×100 m freestyle relay; 2018 Hangzhou silver: 4×50 m freestyle relay (swam in heats only) and 4×100 m freestyle relay |
| Nick Ffrost | AUS |
SWI | 2008 | 0–1–0 2006 Shanghai silver: 4×200 m freestyle relay |
| Mike Fibbens | GBR |
SWI | 1988—1996 | 0–0–1 1993 Palma de Mallorca bronze: 4×100 m medley relay |
| Christoph Fildebrandt | GER |
SWI | 2012—2016 | 0–0–1 2012 İstanbul bronze: 4×200 m freestyle relay |
| Alessia Filippi | ITA |
SWI | 2004—2012 | 0–1–0 2006 Shanghai silver: 400 m medley |
| Domenico Fioravanti | ITA |
SWI | 2000 | 0–1–0 1999 Hong Kong silver: 100 m breaststroke |
| Eduardo Fischer | BRA |
SWI | 2000—2004 | 0–0–1 2002 Moskva bronze: 50 m breaststroke |
| Eric la Fleur | SWE |
SWI | 2004 | 0–1–0 2002 Moskva silver: 4×100 m freestyle relay |
| Lisa Flood | CAN |
SWI | 1992—1996 | 0–1–0 1995 Rio de Janeiro silver: 4×100 m medley relay |
| Mark Foster | GBR |
SWI | 1988—2008 | 6–4–3 1993 Palma de Mallorca gold: 50 m freestyle, bronze: 4×100 m medley relay; 1997 Göteborg silver: 50 m freestyle, bronze: 4×100 m medley relay; 1999 Hong Kong gold: 50 m freestyle and 50 m butterfly; 2000 Athina gold: 50 m freestyle and 50 m butterfly; 2002 Moskva silver: 50 m freestyle, bronze: 50 m butterfly; 2004 Indianapolis gold: 50 m freestyle, silver: 50 m butterfly; 2008 Manchester silver: 50 m freestyle |
| Sally Foster | AUS |
SWI | 2008—2012 | 0–5–0 2008 Manchester silver: 200 m breaststroke and 4×100 m freestyle relay (swam in heats only); 2012 İstanbul silver: 4×100 m freestyle relay and 4×100 m medley relay (swam in heats only); 2014 Doha silver: 4×100 m medley relay (competed as Sally Hunter) |
| David Fox | USA |
SWI | 1996 | 0–1–0 1993 Palma de Mallorca silver: 4×100 m freestyle relay |
| Linley Frame | AUS |
SWI | 1992 | 1–2–1 1993 Palma de Mallorca silver: 100 m breaststroke and 4×100 m medley relay; 1995 Rio de Janeiro gold: 4×100 m medley relay (swam in heats only), bronze: 100 m breaststroke |
| Felipe França | BRA |
SWI | 2008—2016 | 6–0–2 2010 Dubai gold: 50 m breaststroke, bronze: 100 m breaststroke and 4×100 m medley relay; 2014 Doha gold: 50 m breaststroke, 100 m breaststroke, 4×50 m medley relay, 4×100 m medley relay, and 4×50 m medley mixed relay |
| Robin Francis | GBR |
SWI | 2004 | 0–1–0 2004 Indianapolis silver: 400 m medley |
| Missy Franklin | USA |
SWI | 2012—2016 | 0–2–0 2010 Dubai silver: 200 m backstroke and 4×100 m medley relay (swam in heats only) |
| Thomas Fraser-Holmes | AUS |
SWI | 2012—2016 | 0–1–0 2018 Hangzhou silver: 400 m medley |
| Lotte Friis | DEN |
SWI | 2008—2016 | 0–1–0 2012 İstanbul silver: 800 m freestyle |
| Lars Frölander | SWE |
SWI | 1992—2012 | 7–5–2 1993 Palma de Mallorca gold: 4×200 m freestyle relay; 1997 Göteborg gold: 100 m butterfly, silver: 4×100 m freestyle relay and 4×200 m freestyle relay; 1999 Hong Kong gold: 100 m freestyle and 100 m butterfly, silver: 4×100 m medley relay, bronze: 4×100 m freestyle relay; 2000 Athina gold: 100 m freestyle and 100 m butterfly, and 4×100 m freestyle relay; 2002 Moskva silver: 4×100 m freestyle relay; 2006 Shanghai silver: 4×100 m freestyle relay; 2008 Manchester bronze: 4×100 m freestyle relay |
| Fu Yuanhui | CHN |
SWI | 2012—2016 | 0–2–0 2018 Hangzhou silver: 4×50 m medley relay and 4×100 m medley relay |
| Hiromasa Fujimori | JPN |
SWI | 2016 | 0–0–1 2018 Hangzhou bronze: 200 m medley |
| Chris Fydler | AUS |
SWI | 1992—2000 | 2–0–0 1999 Hong Kong gold: 4×100 m freestyle relay and 4×100 m medley relay |
| Christian Galenda | ITA |
SWI | 2004—2008 | 1–0–1 2006 Shanghai gold: 4×100 m freestyle relay; 2008 Manchester bronze: 4×200 m freestyle relay (swam in heats only) |
| Mauro Gallo | ITA |
SWI | 2000 | 1–0–0 2006 Shanghai gold: 4×100 m freestyle relay (swam in heats only) |
| Felicity Galvez | AUS |
SWI | 2004—2008 | 4–2–2 2004 Indianapolis gold: 4×100 m medley relay (swam in heats only); 2008 Manchester gold: 50 m butterfly and 100 m butterfly, silver: 200 m butterfly, bronze: 4×100 m medley relay; 2010 Dubai gold: 100 m butterfly, silver: 50 m butterfly, bronze: 4×100 m medley relay |
| Erin Gammel | CAN |
SWI | 2004 | 0–0–1 1999 Hong Kong bronze: 100 m backstroke |
| Mark Gangloff | USA |
SWI | 2004—2008 | 2–2–0 2004 Indianapolis gold: 4×100 m medley relay (swam in heats only); 2008 Manchester silver: 50 m breaststroke and 4×100 m medley relay; 2010 Dubai gold: 4×100 m medley relay (swam in heats only) |
| Gao Chang | CHN |
SWI | 2004—2012 | 2–3–4 2004 Indianapolis silver: 50 m backstroke and 100 m backstroke; 2006 Shanghai bronze: 50 m backstroke, 100 m backstroke, and 4×100 m medley relay; 2008 Manchester gold: 4×100 m medley relay (swam in heats only), silver: 50 m backstroke; 2010 Dubai gold: 4×100 m medley relay (swam in heats only), bronze: 100 m backstroke |
| Mireia García | ESP |
SWI | 2000 | 7–2–1 2008 Manchester silver: 200 m medley, bronze: 400 m medley; 2010 Dubai gold: 200 m butterfly, 200 m medley, and 400 m medley, silver: 800 m freestyle; 2014 Doha gold: 400 m freestyle, 800 m freestyle, 200 m butterfly, and 400 m medley |
| Carla Geurts | NED |
SWI | 1996—2000 | 0–2–1 1995 Rio de Janeiro silver: 400 m freestyle and 800 m freestyle; 1997 Göteborg bronze: 800 m freestyle |
| Ștefan Gherghel | ROU |
SWI | 2000—2008 | 0–1–1 2002 Moskva bronze: 200 m butterfly; 2004 Indianapolis silver: 200 m butterfly |
| Cam Gibson | NZL |
SWI | 2004—2008 | 0–0–1 2008 Manchester bronze: 4×100 m medley relay |
| Kris Gilchrist | GBR |
SWI | 2008 | 1–0–0 2008 Manchester gold: 200 m breaststroke |
| Nick Gillingham | GBR |
SWI | 1988—1996 | 1–0–1 1993 Palma de Mallorca gold: 200 m breaststroke, bronze: 4×100 m medley relay |
| Fabien Gilot | FRA |
SWI | 2004—2016 | 2–1–1 2010 Dubai gold: 4×100 m freestyle relay, silver: 100 m freestyle, bronze: 4×200 m freestyle relay; 2014 Doha gold: 4×100 m freestyle relay |
| Mads Glæsner | DEN |
SWI | 2008—2016 | 0–1–0 2010 Dubai silver: 1500 m freestyle |
| James Goddard | GBR |
SWI | 2004—2012 | 0–0–1 2008 Manchester bronze: 200 m medley |
| Scott Goldblatt | USA |
SWI | 2000—2004 | 1–0–0 2004 Indianapolis gold: 4×200 m freestyle relay (swam in heats only) |
| Scott Goodman | AUS |
SWI | 1996 | 1–1–1 1995 Rio de Janeiro gold: 200 m butterfly,silver: 4×100 m medley relay (swam in heats only); 1997 Göteborg bronze: 200 m butterfly |
| Melissa Gorman | AUS |
OWS/SWI | 2008—2012 | 0–0–1 2004 Indianapolis bronze: 800 m freestyle |
| Kennedy Goss | CAN |
SWI | 2016 | 1–0–0 2016 Windsor gold: 4×200 m freestyle relay |
| Elka Graham | AUS |
SWI | 2000—2004 | 0–1–1 2002 Moskva silver: 4×100 m freestyle relay, bronze: 4×200 m freestyle relay |
| Petra Granlund | SWE |
SWI | 2008 | 0–1–3 2004 Indianapolis silver: 4×100 m freestyle relay (swam in heats only), bronze: 4×200 m freestyle relay; 2006 Shanghai bronze: 4×100 m freestyle relay (swam in heats only); 2010 Dubai bronze: 200 m butterfly |
| Matt Grevers | USA |
SWI | 2008—2012 | 6–5–4 2008 Manchester silver: 4×100 m medley relay (swam in heats only); 2006 Shanghai bronze: 4×100 m freestyle relay; 2012 İstanbul gold: 100 m backstroke, 4×100 m freestyle relay, and 4×100 m medley relay, silver: 50 m backstroke; 2014 Doha gold: 4×50 m freestyle mixed relay, silver: 4×50 m freestyle relay (swam in heats only) and 4×100 m medley relay, bronze: 100 m backstroke, 4×100 m freestyle relay, and 4×50 m medley relay (swam in heats only); 2018 Hangzhou gold: 4×100 m freestyle relay (swam in heats only) and 4×100 m medley relay (swam in heats only), silver: 4×50 m medley relay (swam in heats only) |
| Julia Greville | AUS |
SWI | 1996 | 0–0–2 1997 Göteborg bronze: 4×200 m freestyle relay; ; 1999 Hong Kong bronze: 4×200 m freestyle relay (swam in heats only) |
| Chantal Groot | NED |
SWI | 2000—2008 | 1–1–0 1999 Hong Kong silver: 4×100 m freestyle relay; 2006 Shanghai gold: 4×100 m freestyle relay |
| Marieke Guehrer | AUS |
SWI | 2004 | 0–2–2 2008 Manchester bronze: 4×100 m medley relay; 2010 Dubai bronze: 4×100 m medley relay; 2012 İstanbul silver: 4×100 m freestyle relay and 4×100 m medley relay |
| Guilherme Guido | BRA |
SWI | 2008—2016 | 2–0–3 2010 Dubai bronze: 4×100 m medley relay; 2012 İstanbul bronze: 100 m backstroke; 2014 Doha gold: 4×50 m medley relay and 4×100 m medley relay; 2018 Hangzhou bronze: 4×50 m medley relay |
| James Guy | GBR |
SWI | 2016 | 0–1–0 2014 Doha silver: 400 m freestyle |
| Dániel Gyurta | HUN |
IOC/SWI | 2004—2016 | 2–1–0 2010 Dubai silver: 200 m breaststroke; 2012 İstanbul gold: 200 m breaststroke; 2014 Doha gold: 200 m breaststroke |
| Gergely Gyurta | HUN |
SWI | 2012—2016 | 0–0–1 2010 Dubai bronze: 1500 m freestyle |
| Leigh Habler | AUS |
SWI | 1992 | 0–0–1 1995 Rio de Janeiro bronze: 200 m backstroke |
| Grant Hackett | AUS |
SWI | 2000—2008 | 7–0–1 1997 Göteborg gold: 1500 m freestyle and 4×200 m freestyle relay, bronze: 400 m freestyle; 1999 Hong Kong gold: 400 m freestyle and 1500 m freestyle; 2002 Moskva gold: 400 m freestyle, 1500 m freestyle, and 4×200 m freestyle relay |
| Kosuke Hagino | JPN |
SWI | 2012—2016 | 1–1–0 2014 Doha gold: 200 m medley, silver: 400 m medley |
| Miki Halika | ISR |
SWI | 2000 | 0–0–1 2000 Athina bronze: 400 m medley |
| Fran Halsall | GBR |
SWI | 2008—2016 | 0–3–2 2008 Manchester silver: 100 m freestyle, bronze: 50 m freestyle and 4×100 m freestyle relay; 2012 İstanbul silver: 50 m freestyle; 2014 Doha silver: 4×50 m medley mixed relay |
| Samantha Hamill | AUS |
SWI | 2008—2012 | 0–0–1 2008 Manchester bronze: 4×100 m medley relay (swam in heats only) |
| Han Xue | CHN |
SWI | 1996—2000 | 2–0–1 1995 Rio de Janeiro gold: 4×100 m freestyle relay; 1997 Göteborg gold: 4×100 m medley relay; 1999 Hong Kong bronze: 50 m breaststroke |
| Molly Hannis | USA |
SWI | 2016 | 1–0–2 2016 Windsor gold: 4×100 m medley relay (swam in heats only), bronze: 50 m breaststroke and 100 m breaststroke |
| Brendan Hansen | USA |
SWI | 2004—2012 | 4–0–0 2004 Indianapolis gold: 50 m breaststroke, 100 m breaststroke, 200 m breaststroke, and 4×100 m medley relay |
| Brooke Hanson | AUS |
SWI | 2004 | 8–1–1 2000 Athina bronze: 200 m breaststroke; 2004 Indianapolis gold: 50 m breaststroke, 100 m breaststroke, 200 m breaststroke, 100 m medley, 200 m medley, and 4×100 m medley relay; 2006 Shanghai gold: 100 m medley and 4×100 m medley relay (swam in heats only), silver: 50 m breaststroke |
| Hao Yun | CHN |
SWI | 2012 | 0–1–0 2012 İstanbul silver: 400 m freestyle |
| Sarah Hardcastle | GBR |
SWI | 1984—1996 | 1–0–1 1995 Rio de Janeiro gold: 800 m freestyle, bronze: 400 m freestyle |
| Jessica Hardy | USA |
SWI | 2012 | 3–4–2 2006 Shanghai silver: 4×100 m medley relay (swam in heats only), bronze: 50 m breaststroke; 2008 Manchester gold: 50 m breaststroke and 100 m breaststroke; 2008 Manchester silver: 4×100 m medley relay; 2010 Dubai silver: 4×100 m freestyle relay and 4×100 m medley relay; 2012 İstanbul gold: 4×100 m freestyle relay, bronze: 4×100 m medley relay |
| Martin Harris | GBR |
SWI | 1992—1996 | 0–1–3 1993 Palma de Mallorca silver: 100 m backstroke, bronze: 4×100 m medley relay; 1997 Göteborg bronze: 4×100 m medley relay; 1999 Hong Kong bronze: 4×100 m medley relay (swam in heats only) |
| Rachel Harris | AUS |
SWI | 2000 | 0–1–0 1999 Hong Kong silver: 800 m freestyle |
| Dagmar Hase | GER |
SWI | 1992—1996 | 0–2–0 1995 Rio de Janeiro silver: 200 m backstroke and 4×200 m freestyle relay |
| Suzuka Hasegawa | JPN |
SWI | 2016 | 0–0–1 2018 Hangzhou bronze: 200 m butterfly |
| Brett Hawke | AUS |
SWI | 2000—2004 | 0–2–0 1995 Rio de Janeiro silver: 4×100 m freestyle relay; 2002 Moskva silver: 4×100 m medley relay (swam in heats only) |
| Kate Haywood | GBR |
SWI | 2008—2012 | 0–1–0 2008 Manchester silver: 50 m breaststroke |
| He Cihong | CHN |
SWI | 1992—1996 | 1–1–0 1993 Palma de Mallorca gold: 200 m backstroke, silver: 100 m backstroke |
| Femke Heemskerk | NED |
SWI | 2008—2016 | 7–8–3 2008 Manchester gold: 4×100 m freestyle relay and 4×200 m freestyle relay, silver: 200 m freestyle; 2010 Dubai gold: 4×100 m freestyle relay, silver: 100 m freestyle; 2014 Doha gold: 100 m freestyle, 4×50 m freestyle relay, 4×100 m freestyle relay, and 4×200 m freestyle relay, bronze: 200 m freestyle; 2018 Hangzhou silver: 50 m freestyle, 100 m freestyle, 4×50 m freestyle relay, 4×100 m freestyle relay, 4×50 m freestyle mixed relay, and 4×50 m medley mixed relay, bronze: 200 m freestyle and 4×50 m medley relay |
| Aimo Heilmann | GER |
SWI | 1996 | 1–0–0 1997 Göteborg gold: 4×100 m freestyle relay |
| Philip Heintz | GER |
SWI | 2012—2016 | 0–1–0 2016 Windsor silver: 200 m medley |
| Ryan Held | USA |
SWI | 2016 | 4–1–0 2018 Hangzhou gold: 4×50 m freestyle relay, 4×100 m freestyle relay, 4×100 m medley relay, and 4×50 m freestyle mixed relay, silver: 4×50 m medley relay |
| Mark Henderson | USA |
SWI | 1996 | 1–2–0 1993 Palma de Mallorca gold: 4×100 m medley relay, silver: 100 m butterfly and 4×100 m freestyle relay |
| Mélanie Hénique | FRA |
SWI | 2016 | 0–0–1 2014 Doha bronze: 4×50 m medley relay |
| Thamar Henneken | NED |
SWI | 2000 | 0–1–0 1999 Hong Kong silver: 4×100 m freestyle relay |
| Franziska Hentke | GER |
SWI | 2016 | 0–0–1 2014 Doha bronze: 200 m butterfly |
| Aliaksandra Herasimenia | BLR |
SWI | 2008—2016 | 1–0–0 2012 İstanbul gold: 50 m freestyle |
| Sabine Herbst-Klenz | GER |
SWI | 1996—2000 | 0–1–0 1997 Göteborg silver: 400 m medley (competed as Sabine Herbst) |
| Stefan Herbst | GER |
SWI | 2000—2008 | 0–1–1 2000 Athina silver: 4×100 m medley relay, bronze: 4×100 m freestyle relay |
| Nicole Hetzer | GER |
SWI | 2000—2004 | 0–1–0 2000 Athina silver: 400 m medley |
| Penny Heyns | RSA |
SWI | 1992—2000 | 0–3–0 1999 Hong Kong silver: 50 m breaststroke, 100 m breaststroke, and 200 m breaststroke |
| James Hickman | GBR |
SWI | 1996—2004 | 5–4–5 1997 Göteborg gold: 200 m butterfly, bronze: 4×100 m medley relay; 1999 Hong Kong gold: 200 m butterfly, silver: 200 m medley, bronze: 100 m butterfly and 4×100 m medley relay; 2000 Athina gold: 200 m butterfly, silver: 100 m butterfly and 200 m medley, bronze: 100 m medley and 4×100 m medley relay; 2002 Moskva gold: 200 m butterfly; 2004 Indianapolis gold: 200 m butterfly, silver: 100 m butterfly |
| Ilona Hlaváčková | CZE |
SWI | 2000—2004 | 0–1–0 2002 Moskva silver: 100 m backstroke |
| Belinda Hocking | AUS |
SWI | 2008—2016 | 0–0–1 2008 Manchester bronze: 4×100 m medley relay (swam in heats only) |
| Margaret Hoelzer | USA |
SWI | 2004—2008 | 2–2–2 2004 Indianapolis gold: 200 m backstroke, silver: 4×100 m medley relay (swam in heats only); 2006 Shanghai gold: 200 m backstroke, silver: 4×100 m medley relay, bronze: 4×200 m freestyle relay (swam in heats only); 2008 Manchester bronze: 200 m backstroke |
| Katie Hoff | USA |
SWI | 2004—2008 | 1–3–1 2004 Indianapolis silver: 400 m medley, bronze: 200 m medley; 2010 Dubai gold: 400 m freestyle; 2010 Dubai silver: 200 m freestyle and 4×100 m freestyle relay |
| Jörg Hoffmann |  GDRGER |
SWI | 1988—1996 | 1–5–1 1993 Palma de Mallorca silver: 1500 m freestyle and 4×200 m freestyle relay (competed for Germany); 1995 Rio de Janeiro silver: 400 m freestyle and 4×200 m freestyle relay, bronze: 1500 m freestyle (competed for Germany); 1997 Göteborg silver: 1500 m freestyle (competed for Germany); 2000 Athina gold: 1500 m freestyle (competed for Germany) |
| Anders Holmertz | SWE |
SWI | 1984—1996 | 1–2–0 1993 Palma de Mallorca gold: 4×200 m freestyle relay; 1997 Göteborg silver: 4×100 m freestyle relay and 4×200 m freestyle relay |
| Pieter van den Hoogenband | NED |
SWI | 1996—2008 | 1–1–1 1999 Hong Kong gold: 4×200 m freestyle relay, silver: 4×100 m freestyle relay, bronze: 200 m freestyle |
| Vicky Horner | GBR |
SWI | 1996 | 0–1–0 1999 Hong Kong silver: 4×200 m freestyle relay (swam in heats only) |
| Katinka Hosszú | HUN |
SWI | 2004—2016 | 17–8–2 2012 İstanbul gold: 200 m butterfly and 100 m medley, silver: 200 m freestyle and 200 m medley, bronze: 400 m medley; 2014 Doha gold: 100 m backstroke, 200 m backstroke, 100 m medley, and 200 m medley, silver: 200 m freestyle, 200 m butterfly, and 400 m medley, bronze: 50 m backstroke; 2016 Windsor gold: 100 m backstroke, 200 m backstroke, 100 m butterfly, 200 m butterfly, 100 m medley, 200 m medley, and 400 m medley; 2016 Windsor silver: 200 m freestyle and 50 m backstroke; 2018 Hangzhou gold: 200 m butterfly, 100 m medley, 200 m medley, and 400 m medley, silver: 100 m backstroke |
| Charlie Houchin | USA |
SWI | 2012 | 0–1–0 2010 Dubai silver: 4×200 m freestyle relay (swam in heats only) |
| Andriy Hovorov | UKR |
SWI | 2010—2016 | 0–1–1 2010 Dubai silver: 50 m butterfly; 2014 Doha bronze: 50 m butterfly |
| Julie Howard | CAN |
SWI | 1992—1996 | 0–1–0 1995 Rio de Janeiro silver: 4×100 m medley relay |
| Claire Huddart | GBR |
SWI | 1996—2000 | 2–1–1 1999 Hong Kong gold: 4×100 m freestyle relay, silver: 4×200 m freestyle relay; 2000 Athina gold: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay |
| Geoff Huegill | AUS |
SWI | 2000—2004 | 4–2–0 1997 Göteborg gold: 4×100 m medley relay, silver: 100 m butterfly; 1999 Hong Kong gold: 4×100 m medley relay (swam in heats only); 2002 Moskva gold: 50 m butterfly and 100 m butterfly, silver: 4×100 m medley relay |
| Aliaksandr Hukau | BLR |
SWI | 1996—2000 | 1–0–0 1997 Göteborg gold: 200 m breaststroke |
| Andrew Hunter | GBR |
SWI | 2008 | 0–1–0 2008 Manchester silver: 4×200 m freestyle relay |
| Frederik Hviid | ESP |
SWI | 1996—2000 | 0–0–1 1999 Hong Kong bronze: 400 m medley |
| Misty Hyman | USA |
SWI | 2000 | 1–2–4 1995 Rio de Janeiro gold: 100 m backstroke, bronze: 4×100 m medley relay; 1997 Göteborg silver: 200 m backstroke and 4×100 m medley relay, bronze: 100 m backstroke, 100 m butterfly, and 200 m butterfly |
| Chihiro Igarashi | JPN |
SWI | 2016 | 0–0–1 2016 Windsor bronze: 400 m freestyle |
| Emma Igelström | SWE |
SWI | 2000 | 4–1–0 2000 Athina gold: 4×100 m medley relay; 2002 Moskva gold: 50 m breaststroke, 100 m breaststroke, and 4×100 m medley relay, silver: 200 m breaststroke |
| Rikako Ikee | JPN |
SWI | 2016 | 0–0–3 2016 Windsor bronze: 50 m butterfly, 100 m butterfly, and 4×50 m medley mixed relay |
| Salim Iles |  ALG |
SWI | 1996—2008 | 0–1–1 2002 Moskva bronze: 100 m freestyle; 2004 Indianapolis silver: 100 m freestyle |
| Runa Imai | JPN |
SWI | 2016 | 0–1–0 2018 Hangzhou silver: 100 m medley |
| Melissa Ingram | NZL |
SWI | 2008—2012 | 0–0–1 2004 Indianapolis bronze: 200 m backstroke |
| Alexandru Ioanovici | ROU |
SWI | 1996 | 0–0–1 1995 Rio de Janeiro bronze: 4×100 m freestyle relay |
| Ryosuke Irie | JPN |
SWI | 2008—2016 | 0–0–2 2014 Doha bronze: 100 m backstroke; 2018 Hangzhou bronze: 4×100 m medley relay |
| Grant Irvine | AUS |
SWI | 2016 | 0–0–1 2012 İstanbul bronze: 4×100 m medley relay |
| Patrik Isaksson | SWE |
SWI | 2000 | 2–2–0 1997 Göteborg gold: 100 m breaststroke; 1999 Hong Kong gold: 100 m breaststroke, silver: 50 m breaststroke and 4×100 m medley relay |
| Nicolae Ivan | ROU |
SWI | 1996 | 0–0–1 1995 Rio de Janeiro bronze: 4×100 m freestyle relay |
| Andrey Ivanov | RUS |
SWI | 1996 | 0–0–2 2000 Athina bronze: 200 m breaststroke; 2004 Indianapolis bronze: 4×100 m medley relay |
| Roman Ivanovsky | RUS |
SWI | 1996 | 0–1–1 1997 Göteborg silver: 4×100 m medley relay (swam in heats only); 2000 Athens bronze: 100 m breaststroke |
| Dan Izotov | RUS |
SWI | 2008—2016 | 1–4–2 2010 Dubai gold: 4×200 m freestyle relay, silver: 200 m freestyle and 4×100 m freestyle relay; 2014 Doha silver: 200 m freestyle and 4×100 m freestyle relay, bronze: 100 m freestyle and 4×200 m freestyle relay |
| Jo Jackson | GBR |
SWI | 2004—2012 | 0–1–2 2008 Manchester silver: 4×200 m freestyle relay, bronze: 400 m freestyle and 4×100 m freestyle relay (swam in heats only) |
| Nicola Jackson | GBR |
SWI | 2000 | 2–1–2 1999 Hong Kong 4×100 m freestyle relay (swam in heats only), silver: 4×200 m freestyle relay; 2000 Athina gold: 4×200 m freestyle relay, bronze: 50 m butterfly and 4×100 m freestyle relay (swam in heats only) |
| Trina Jackson | USA |
SWI | 1996 | 0–1–2 1993 Palma de Mallorca silver: 400 m freestyle, bronze: 800 m freestyle and 4×200 m freestyle relay |
| Mette Jacobsen | DEN |
SWI | 1988—2004 | 3–1–1 1995 Rio de Janeiro gold: 200 m backstroke, silver: 100 m backstroke, bronze: 200 m butterfly; 1999 Hong Kong gold: 200 m butterfly; 2000 Athina gold: 200 m butterfly |
| Michael Jamieson | GBR |
SWI | 2012 | 0–1–0 2012 İstanbul silver: 200 m breaststroke |
| Otylia Jędrzejczak | POL |
SWI | 2000—2012 | 0–0–1 2000 Athina bronze: 200 m butterfly |
| Larsen Jensen | USA |
SWI | 2004—2008 | 0–0–1 2006 Shanghai bronze: 4×200 m freestyle relay |
| Ji Liping | CHN |
SWI | 2012 | 0–0–1 2010 Dubai bronze: 100 m breaststroke |
| Jiang Chengji | CHN |
SWI | 1996—2000 | 0–0–1 1995 Rio de Janeiro bronze: 50 m freestyle |
| Jiao Liuyang | CHN |
SWI | 2008—2012 | 0–2–0 2012 İstanbul silver: 50 m butterfly and 200 m butterfly |
| Pál Joensen | DEN |
SWI | 2012—2016 | 0–1–0 2012 İstanbul silver: 1500 m freestyle |
| Camilla Johansson | SWE |
SWI | 2000 | 2–0–0 2000 Athina gold: 4×100 m medley relay (swam in heats only); 2002 Moskva gold: 4×100 m medley relay (swam in heats only) |
| Louise Jöhncke | SWE |
SWI | 1996—2000 | 2–2–3 1993 Palma de Mallorca silver: 4×100 m freestyle relay; 1995 Rio de Janeiro bronze: 4×100 m freestyle relay; 1997 Göteborg silver: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay (swam in heats only); 1999 Hong Kong gold: 4×200 m freestyle relay, bronze: 4×100 m medley relay; 2000 Athina gold: 4×100 m freestyle relay |
| Brian Johns | CAN |
SWI | 2000—2008 | 0–1–1 1999 Hong Kong bronze: 4×200 m freestyle relay; 2002 Moskva silver: 400 m medley |
| Emma Johnson | AUS |
SWI | 1996 | 1–0–1 1997 Göteborg gold: 400 m medley, bronze: 4×200 m freestyle relay |
| Mark Johnston | CAN |
SWI | 2000—2004 | 0–0–2 1999 Hong Kong bronze: 4×200 m freestyle relay; 2002 Moskva bronze: 200 m freestyle |
| Cullen Jones | USA |
SWI | 2008—2012 | 0–1–1 2006 Shanghai silver: 50 m freestyle, bronze: 4×100 m freestyle relay (swam in heats only) |
| Leisel Jones | AUS |
SWI | 2000—2012 | 0–1–2 2008 Manchester bronze: 4×100 m medley relay; 2010 Dubai silver: 100 m breaststroke, bronze: 4×100 m medley relay |
| Saskia de Jonge | NED |
SWI | 2008 | 1–0–0 2008 Manchester gold: 4×100 m freestyle relay (swam in heats only) |
| Sanja Jovanović | CRO |
SWI | 2004—2012 | 1–0–1 2008 Manchester gold: 50 m backstroke, bronze: 100 m backstroke |
| Kara Lynn Joyce | USA |
SWI | 2004—2012 | 1–2–0 2004 Indianapolis gold: 4×100 m freestyle relay, silver: 4×100 m medley relay; 2010 Dubai silver: 4×100 m freestyle relay (swam in heats only) |
| Dinko Jukic |  AUT |
SWI | 2008—2012 | 0–0–1 2008 Manchester bronze: 400 m medley |
| Mirna Jukic | AUT |
SWI | 2004—2008 | 0–0–1 2002 Moskva bronze: 200 m breaststroke |
| Kaio Márcio | BRA |
SWI | 2004—2016 | 1–1–3 2006 Shanghai gold: 100 m butterfly, bronze: 50 m butterfly; 2010 Dubai silver: 200 m butterfly, bronze: 100 m butterfly and 4×100 m medley relay |
| Anna-Karin Kammerling | SWE |
SWI | 2000—2008 | 5–4–4 1999 Hong Kong silver: 50 m butterfly, bronze: 4×100 m medley relay (swam in heats only); 2000 Athina gold: 4×100 m freestyle relay and 4×100 m medley relay, silver: 50 m butterfly; 2002 Moskva gold: 50 m butterfly, 4×100 m freestyle relay, and 4×100 m medley relay, bronze: 100 m butterfly; 2004 Indianapolis silver: 50 m butterfly and 4×100 m freestyle relay; 2006 Shanghai bronze: 50 m butterfly and 4×100 m freestyle relay |
| Kazuya Kaneda | JPN |
SWI | 2012 | 1–0–0 2012 İstanbul gold: 200 m butterfly |
| Masaki Kaneko | JPN |
SWI | 2016 | 0–0–1 2016 Windsor bronze: 200 m backstroke |
| Rie Kaneto | JPN |
SWI | 2008—2016 | 0–1–0 2014 Doha silver: 200 m breaststroke |
| Andrey Kapralov | RUS |
SWI | 2000—2008 | 0–1–4 2000 Athina bronze: 4×200 m freestyle relay; 2002 Moskva silver: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay and 4×100 m medley relay (swam in heats only); 2004 Indianapolis bronze: 4×100 m medley relay |
| Louise Karlsson | SWE |
SWI | 1992—1996 | 1–0–3 1995 Rio de Janeiro bronze: 200 m medley and 4×100 m freestyle relay; 1997 Göteborg gold: 200 m medley, bronze: 4×100 m freestyle relay |
| Ron Karnaugh | USA |
SWI | 1992 | 0–0–2 1997 Göteborg bronze: 200 m medley and 400 m medley |
| Hitomi Kashima | JPN |
SWI | 1996 | 0–1–0 1997 Göteborg silver: 200 m butterfly |
| Antti Kasvio |  FIN |
SWI | 1992—1996 | 1–1–0 1993 Palma de Mallorca gold: 200 m freestyle, silver: 400 m freestyle |
| Radosław Kawęcki | POL |
SWI | 2012—2016 | 3–1–1 2012 İstanbul gold: 200 m backstroke; 2014 Doha gold: 200 m backstroke, silver: 100 m backstroke; 2016 Windsor gold: 200 m backstroke; 2018 Hangzhou bronze: 200 m backstroke |
| Joris Keizer | NED |
SWI | 2000—2004 | 0–0–1 1999 Hong Kong bronze: 50 m butterfly |
| Alenka Kejžar | SLO |
SWI | 1996—2004 | 0–1–1 2000 Athina bronze: 100 m medley; 2002 Moskva silver: 400 m medley |
| Christian Keller | GER |
SWI | 1992—2004 | 1–3–1 1993 Palma de Mallorca gold: 200 m medley, silver: 200 m butterfly and 4×200 m freestyle relay; 1997 Göteborg silver: 200 m medley, bronze: 400 m medley |
| Kalyn Keller | USA |
SWI | 2004 | 0–1–0 2002 Moscow silver: 4×200 m freestyle relay (swam in heats only) |
| Klete Keller | USA |
SWI | 2000—2008 | 2–0–1 2002 Moskva gold: 200 m freestyle and 4×100 m freestyle relay, bronze: 4×200 m freestyle relay |
| Johan Kenkhuis | NED |
SWI | 2000—2004 | 1–1–0 1999 Hong Kong gold: 4×200 m freestyle relay, silver: 4×100 m freestyle relay |
| Angela Kennedy | AUS |
SWI | 1996 | 1–2–3 1995 Rio de Janeiro gold: 4×100 m medley relay, silver: 4×100 m freestyle relay (swam in heats only), bronze: 100 m butterfly; 1997 Göteborg bronze: 4×100 m medley relay; 1999 Hong Kong silver: 4×100 m medley relay (swam in heats only), bronze: 4×100 m freestyle relay (swam in heats only) |
| Paul Kent | NZL |
SWI | 1996 | 1–1–0 1995 Rio de Janeiro gold: 4×100 m medley relay, silver: 100 m breaststroke |
| Dan Ketchum | USA |
SWI | 2004 | 1–0–0 2004 Indianapolis gold: 4×200 m freestyle relay |
| Leonid Khokhlov | RUS |
SWI | 2000 | 0–0–1 2002 Moskva bronze: 4×100 m freestyle relay |
| Matthew Kidd | GBR |
SWI | 2004 | 0–0–1 2000 Athina bronze: 4×100 m medley relay (swam in heats only) |
| Kerstin Kielgaß | GER |
SWI | 1992—2000 | 0–2–1 1995 Rio de Janeiro silver: 4×200 m freestyle relay; 1997 Göteborg silver: 800 m freestyle, bronze: 400 m freestyle |
| Lilly King | USA |
SWI | 2016 | 4–1–0 2016 Windsor gold: 50 m breaststroke, 4×50 m medley relay, 4×100 m medley relay, and 4×50 m medley mixed relay, silver: 100 m breaststroke |
| Bill Kirby | AUS |
SWI | 2000 | 1–0–0 1997 Göteborg gold: 4×200 m freestyle relay |
| Tara Kirk | USA |
SWI | 2004 | 1–3–4 2000 Athina bronze: 50 m breaststroke and 4×100 m medley relay (swam in heats only); 2004 Indianapolis silver: 4×100 m medley relay, bronze: 50 m breaststroke and 100 m breaststroke; 2006 Shanghai gold: 100 m breaststroke, silver: 200 m breaststroke and 4×100 m medley relay |
| Yuri Kisil | CAN |
SWI | 2016 | 0–0–1 2016 Windsor bronze: 4×50 m freestyle mixed relay |
| Kosuke Kitajima | JPN |
SWI | 2000—2012 | 0–1–0 2002 Moskva silver: 100 m breaststroke |
| Bartosz Kizierowski | POL |
SWI | 1996—2008 | 0–0–1 1999 Hong Kong bronze: 100 m freestyle |
| Michael Klim | AUS |
SWI | 1996—2004 | 5–5–5 1995 Rio de Janeiro gold: 4×200 m freestyle relay, silver: 4×100 m freestyle relay and 4×100 m medley relay, bronze: 200 m freestyle and 100 m butterfly; 1997 Göteborg gold: 4×200 m freestyle relay and 4×100 m medley relay, bronze: 100 m freestyle, 100 m butterfly, and 4×100 m freestyle relay; 1999 Hong Kong gold: 4×100 m freestyle relay and 4×100 m medley relay, silver: 100 m freestyle, 200 m freestyle, and 100 m butterfly |
| Yana Klochkova | UKR |
SWI | 2000—2008 | 6–2–0 1999 Hong Kong gold: 400 m medley, silver: 200 m medley; 2000 Athina gold: 200 m medley and 400 m medley, silver: 400 m freestyle; 2002 Moskva gold: 400 m freestyle, 200 m medley, and 400 m medley |
| Morgan Knabe | CAN |
SWI | 2000—2004 | 0–0–1 1999 Hong Kong bronze: 100 m breaststroke |
| Yuki Kobori | JPN |
SWI | 2012—2016 | 0–0–1 2016 Windsor bronze: 4×200 m freestyle relay |
| Marco Koch | GER |
SWI | 2012—2016 | 2–1–1 2014 Doha silver: 200 m breaststroke; 2016 Windsor gold: 100 m breaststroke and 200 m breaststroke; 2018 Hangzhou bronze: 200 m breaststroke |
| Junya Koga | JPN |
SWI | 2016 | 1–0–3 2016 Windsor gold: 50 m backstroke, bronze: 4×50 m freestyle relay, 4×100 m medley relay, and 4×50 m medley mixed relay |
| Kliment Kolesnikov | RUS |
SWI | 2018 | 2–3–2 2018 Hangzhou gold: 100 m medley and 4×50 m medley relay, silver: 4×50 m freestyle relay (swam in heats only), 4×100 m freestyle relay, and 4×100 m medley relay, bronze: 100 m backstroke and 4×50 m medley mixed relay |
| Rachel Komisarz | USA |
SWI | 2004 | 1–6–2 2002 Moskva silver: 4×200 m freestyle relay and 4×100 m medley relay, bronze: 400 m freestyle; 2004 Indianapolis gold: 4×200 m freestyle relay, silver: 100 m butterfly; 2006 Shanghai silver: 100 m butterfly and 4×100 m medley relay, bronze: 4×200 m freestyle relay; 2008 Manchester silver: 100 m butterfly |
| Dmitry Komornikov | RUS |
SWI | 2000—2008 | 0–0–2 1999 Hong Kong bronze: 200 m breaststroke; 2002 Moskva bronze: 4×100 m medley relay |
| Andrey Korneyev | RUS |
SWI | 1996 | 0–1–0 1997 Göteborg silver: 200 m breaststroke |
| Yevgeny Korotyshkin | RUS |
SWI | 2004—2012 | 3–1–2 2004 Indianapolis bronze: 4×100 m medley relay (swam in heats only); 2008 Manchester gold: 4×100 m medley relay, bronze: 50 m butterfly; 2010 Dubai gold: 100 m butterfly, silver: 4×100 m medley relay; 2014 Doha gold: 4×50 m freestyle relay (swam in heats only) |
| Paweł Korzeniowski | POL |
SWI | 2004—2016 | 0–0–2 2008 Manchester bronze: 200 m butterfly; 2014 Doha bronze: 200 m butterfly |
| Yasuhiro Koseki | JPN |
SWI | 2016 | 0–0–2 2018 Hangzhou bronze: 100 m breaststroke and 4×100 m medley relay |
| Annabel Kosten | NED |
SWI | 2004 | 0–1–0 1999 Hong Kong silver: 4×100 m freestyle relay (swam in heats only) |
| Daniel Kowalski | AUS |
SWI | 1996—2000 | 5–0–1 1993 Palma de Mallorca gold: 400 m freestyle and 1500 m freestyle; 1995 Rio de Janeiro gold: 400 m freestyle, 1500 m freestyle, and 4×200 m freestyle relay; 1999 Hong Kong bronze: 1500 m freestyle |
| Gordan Kožulj | CRO |
SWI | 1996—2008 | 1–0–0 2000 Athina gold: 200 m backstroke |
| Aleksandr Krasnykh | RUS |
SWI | 2016 | 1–2–2 2014 Doha bronze: 4×200 m freestyle relay (swam in heats only); 2016 Windsor gold: 4×200 m freestyle relay, silver: 400 m freestyle, bronze: 200 m freestyle; 2018 Hangzhou silver: 4×200 m freestyle relay |
| Lenny Krayzelburg | USA |
SWI | 2000—2004 | 1–1–0 2000 Athina gold: 4×100 m medley relay, silver: 50 m backstroke |
| Ranomi Kromowidjojo | NED |
SWI | 2008—2016 | 12–7–3 2008 Manchester gold: 4×200 m freestyle relay; 2010 Dubai gold: 50 m freestyle, 100 m freestyle, and 4×100 m freestyle relay; 2014 Doha gold: 50 m freestyle, 4×50 m freestyle relay, 4×100 m freestyle relay, and 4×200 m freestyle relay, bronze: 100 m freestyle; 2016 Windsor gold: 50 m freestyle, silver: 100 m freestyle, 4×50 m freestyle relay, and 4×50 m freestyle mixed relay, bronze: 4×100 m freestyle relay; 2018 Hangzhou gold: 50 m freestyle, 100 m freestyle, and 50 m butterfly, silver: 4×50 m freestyle relay, 4×100 m freestyle relay, 4×50 m freestyle mixed relay, and 4×50 m medley mixed relay bronze: 4×50 m medley relay |
| Jens Kruppa | GER |
SWI | 2000—2004 | 0–0–2 1997 Göteborg bronze: 100 m breaststroke and 200 m breaststroke |
| Ariana Kukors | USA |
SWI | 2012 | 1–0–1 2010 Dubai gold: 100 m medley, bronze: 200 m medley |
| Vladislav Kulikov | RUS EUN |
SWI | 1992—1996 | 0–1–1 1993 Palma de Mallorca bronze: 4×100 m freestyle relay (competed for Russia); 1997 Göteborg silver: 4×100 m medley relay (swam in heats only) (competed for Russia) |
| Stephan Kunzelmann | GER |
SWI | 2000—2004 | 0–0–1 2000 Athina bronze: 4×100 m freestyle relay |
| Camille Lacourt | FRA |
SWI | 2012—2016 | 0–1–0 2010 Dubai silver: 100 m backstroke |
| Audrey Lacroix | CAN |
SWI | 2008—2016 | 0–0–1 2004 Indianapolis bronze: 200 m butterfly |
| Larisa Lăcusță | ROU |
SWI | 1996—2004 | 0–1–0 1997 Göteborg silver: 200 m breaststroke |
| Yevgeny Lagunov | RUS |
SWI | 2004—2012 | 1–2–2 2004 Indianapolis bronze: 4×100 m medley relay (swam in heats only); 2010 Dubai gold: 4×200 m freestyle relay, silver: 4×100 m freestyle relay; 2012 İstanbul silver: 4×100 m medley relay (swam in heats only), bronze: 100 m freestyle |
| Colleen Lanné | USA |
SWI | 2004 | 0–1–0 2002 Moskva silver: 4×200 m freestyle relay |
| Klaus Lanzarini | ITA |
SWI | 2000 | 2–0–0 2006 Shanghai gold: 4×100 m freestyle relay and 4×200 m freestyle relay (swam in heats only) |
| Mitch Larkin | AUS |
SWI | 2012—2016 | 2–1–2 2014 Doha gold: 100 m backstroke, bronze: 200 m backstroke; 2016 Windsor gold: 100 m backstroke, silver: 4×100 m medley relay; 2018 Hangzhou bronze: 200 m backstroke |
| Mylène Lazare | FRA |
SWI | 2012 | 0–0–1 2010 Dubai bronze: 4×200 m freestyle relay |
| Chad le Clos | RSA |
SWI | 2010—2016 | 10–4–1 2010 Dubai gold: 200 m butterfly; 2012 İstanbul gold: 100 m butterfly, silver: 50 m butterfly; 2014 Doha gold: 200 m freestyle, 50 m butterfly, 100 m butterfly, and 200 m butterfly; 2016 Windsor gold: 50 m butterfly, 100 m butterfly, and 200 m butterfly, silver: 200 m freestyle; 2018 Hangzhou gold: 100 m butterfly, silver: 50 m butterfly and 200 m butterfly, bronze: 100 m freestyle |
| Le Jingyi | CHN |
SWI | 1992—1996 | 10–0–2 1993 Palma de Mallorca gold: 50 m freestyle, 100 m freestyle, 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay; 1995 Rio de Janeiro gold: 50 m freestyle, 100 m freestyle, and 4×100 m freestyle relay; 1997 Göteborg gold: 4×100 m freestyle relay and 4×100 m medley relay, bronze: 50 m freestyle and 100 m freestyle |
| Cassiano Leal | BRA |
SWI | 1996 | 1–0–2 1993 Palma de Mallorca bronze: 4×200 m freestyle relay; 1995 Rio de Janeiro gold: 4×100 m freestyle relay (swam in heats only), bronze: 4×200 m freestyle relay |
| Yannick Lebherz | GER |
SWI | 2012 | 0–0–1 2012 İstanbul bronze: 4×200 m freestyle relay |
| Fanny Lecluyse |  BEL |
SWI | 2012—2016 | 0–0–1 2018 Hangzhou bronze: 200 m breaststroke |
| Clément Lefert | FRA |
SWI | 2008—2012 | 0–0–1 2010 Dubai bronze: 4×200 m freestyle relay |
| Karen Legg | GBR |
SWI | 2000 | 2–1–1 1999 Hong Kong gold: 4×100 m freestyle relay (swam in heats only), silver: 4×200 m freestyle relay; 2000 Athina gold: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay |
| Petteri Lehtinen | FIN |
SWI | 1992—1996 | 0–0–1 1993 Palma de Mallorca bronze: 400 m medley |
| Libby Lenton-Trickett | AUS |
SWI | 2004—2012 | 7–3–2 2004 Indianapolis gold: 100 m freestyle and 4×100 m medley relay, silver: 50 m freestyle, and 4×200 m freestyle relay, bronze: 50 m butterfly and 4×100 m freestyle relay (competed as Libby Lenton); 2006 Shanghai gold: 50 m freestyle, 100 m freestyle, 100 m butterfly, 4×200 m freestyle relay, and 4×100 m medley relay, silver: 4×100 m freestyle relay (competed as Libby Lenton) |
| Fantine Lesaffre | FRA |
SWI | 2016 | 0–0–1 2018 Hangzhou bronze: 400 m medley |
| Jirka Letzin | GER |
SWI | 2000 | 0–1–1 1995 Rio de Janeiro silver: 4×200 m freestyle relay (swam in heats only), bronze: 100 m backstroke |
| Fredrik Letzler | SWE |
SWI | 1992—1996 | 0–2–0 1997 Göteborg silver: 4×100 m freestyle relay and 4×200 m freestyle relay |
| Jason Lezak | USA |
SWI | 2000—2012 | 5–1–1 2002 Moskva gold: 4×100 m freestyle relay and 4×100 m medley relay; 2004 Indianapolis gold: 100 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay; 2008 Manchester silver: 4×100 m medley relay (swam in heats only); 2006 Shanghai bronze: 4×100 m freestyle relay |
| Li Jin | CHN |
SWI | 2000 | 0–0–1 2000 Athina bronze: 4×200 m freestyle relay |
| Li Xuanxu | CHN |
SWI | 2008—2012 | 0–0–1 2010 Dubai bronze: 400 m medley |
| Li Zhesi | CHN |
SWI | 2008 | 1–0–1 2010 Dubai gold: 4×100 m medley relay (swam in heats only), bronze: 4×100 m freestyle relay |
| Li Zhuhao | CHN |
SWI | 2014—2016 | 0–0–2 2018 Hangzhou bronze: 100 m butterfly and 200 m butterfly |
| Robert Lijesen | NED |
SWI | 2008 | 0–1–0 2008 Manchester silver: 4×100 m freestyle relay |
| Josefin Lillhage | SWE |
SWI | 1996—2008 | 5–3–4 1997 Göteborg silver: 4×200 m freestyle relay; 1999 Hong Kong gold: 4×200 m freestyle relay, bronze: 200 m freestyle; 2000 Athina gold: 4×100 m freestyle relay (swam in heats only); 2002 Moskva gold: 4×100 m freestyle relay and 4×100 m medley relay (swam in heats only); 2004 Indianapolis gold: 200 m freestyle, silver: 100 m freestyle and 4×100 m freestyle relay, bronze: 4×200 m freestyle relay and 4×100 m medley relay; 2006 Shanghai bronze: 4×100 m freestyle relay |
| Felipe Lima | BRA |
SWI | 2012 | 0–1–3 2016 Windsor silver: 4×50 m medley mixed relay, bronze: 50 m breaststroke; 2018 Hangzhou bronze: 50 m breaststroke and 4×50 m medley relay |
| Marianne Limpert | CAN |
SWI | 1992—2000 | 1–1–1 1995 Rio de Janeiro gold: 4×200 m freestyle relay; 2000 Athina silver: 100 m medley, bronze: 200 m medley |
| Oleh Lisohor | UKR |
SWI | 2000—2008 | 5–0–3 2000 Athina bronze: 50 m breaststroke; 2002 Moskva gold: 50 m breaststroke and 100 m breaststroke; 2006 Shanghai gold: 50 m breaststroke and 100 m breaststroke, bronze: 4×100 m medley relay; 2008 Manchester gold: 50 m breaststroke; 2008 Manchester bronze: 100 m breaststroke |
| Max Litchfield | GBR |
SWI | 2016 | 0–1–0 2016 Windsor silver: 400 m medley |
| Liu Jing | CHN |
SWI | 2008—2012 | 1–0–0 2010 Dubai gold: 4×200 m freestyle relay |
| Liu Limin | CHN |
SWI | 1996—2000 | 5–2–0 1993 Palma de Mallorca gold: 200 m butterfly and 4×100 m medley relay, silver: 100 m butterfly; 1995 Rio de Janeiro gold: 100 m butterfly, silver: 200 m butterfly; 1997 Göteborg gold: 200 m butterfly and 4×100 m medley relay (swam in heats only) |
| Liu Zige | CHN |
SWI | 2008—2012 | 2–1–0 2008 Manchester gold: 4×100 m medley relay; 2010 Dubai gold: 4×100 m medley relay; 2012 İstanbul silver: 100 m butterfly |
| Nicole Livingstone-Stevenson | AUS |
SWI | 1988—1996 | 0–0–1 1995 Rio de Janeiro bronze: 4×200 m freestyle relay (competed as Nicole Stevenson) |
| Nikita Lobintsev | RUS |
SWI | 2008—2016 | 3–3–1 2010 Dubai gold: 4×200 m freestyle relay, silver: 400 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay, bronze: 100 m freestyle; 2016 Windsor gold: 4×50 m freestyle relay and 4×100 m freestyle relay |
| Artyom Lobuzov | RUS |
SWI | 2012 | 1–0–1 2014 Doha bronze: 4×200 m freestyle relay; 2016 Windsor gold: 4×200 m freestyle relay |
| Ryan Lochte | USA |
SWI | 2004—2016 | 21–10–7 2004 Indianapolis gold: 4×200 m freestyle relay, silver: 200 m medley, bronze: 200 m freestyle; 2006 Shanghai gold: 200 m backstroke, 200 m medley, and 400 m medley; 2008 Manchester silver: 4×100 m medley relay; 2006 Shanghai bronze: 4×100 m freestyle relay and 4×200 m freestyle relay; 2008 Manchester gold: 100 m medley, 200 m medley, 400 m medley, and 4×100 m freestyle relay, silver: 200 m backstroke and 4×100 m medley relay; 2010 Dubai gold: 200 m freestyle, 200 m backstroke, 100 m medley, 200 m medley, 400 m medley, and 4×100 m medley relay, silver: 4×200 m freestyle relay; 2012 İstanbul gold: 200 m freestyle, 100 m medley, 200 m medley, 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay, silver: 200 m backstroke, bronze: 100 m butterfly; 2014 Doha gold: 4×200 m freestyle relay, silver: 200 m backstroke, 200 m medley, 4×50 m freestyle relay, and 4×100 m medley relay, bronze: 200 m freestyle, 100 m medley, and 4×100 m freestyle relay |
| Scott Logan | AUS |
SWI | 1996 | 0–0–1 1997 Göteborg bronze: 4×100 m freestyle relay |
| Sergio López | ESP |
SWI | 1988—1992 | 0–1–0 1993 Palma de Mallorca silver: 4×100 m medley relay |
| Stanislav Lopukhov | RUS |
SWI | 1996 | 0–2–1 1995 Rio de Janeiro bronze: 100 m breaststroke; 1997 Göteborg silver: 100 m breaststroke and 4×100 m medley relay |
| Jemma Lowe | GBR |
SWI | 2008—2012 | 0–1–3 2008 Manchester bronze: 100 m butterfly; 2010 Dubai silver: 200 m butterfly; 2012 İstanbul bronze: 100 m butterfly and 200 m butterfly |
| Lu Bin | CHN |
SWI | 1992 | 2–0–1 1993 Palma de Mallorca gold: 4×100 m freestyle relay and 4×200 m freestyle relay, bronze: 200 m freestyle |
| Lu Donghua | CHN |
SWI | 2000 | 2–0–0 1997 Göteborg gold: 100 m backstroke and 4×100 m medley relay |
| Lu Ying | CHN |
SWI | 2012—2016 | 1–1–0 2012 İstanbul gold: 50 m butterfly; 2014 Doha silver: 100 m butterfly |
| Adam Lucas | AUS |
SWI | 2004 | 0–1–0 2004 Indianapolis silver: 4×200 m freestyle relay (swam in heats only) |
| João de Lucca | BRA |
SWI | 2016 | 1–0–1 2014 Doha gold: 4×50 m medley relay (swam in heats only), bronze: 4×50 m freestyle mixed relay |
| Alexander Lüderitz | GER |
SWI | 1996 | 1–0–0 1997 Göteborg gold: 4×100 m freestyle relay |
| Luiz Altamir | BRA |
SWI | 2014—2016 | 1–0–0 2018 Hangzhou gold: 4×200 m freestyle relay |
| Luo Nan | CHN |
SWI | 2008 | 0–0–2 2006 Shanghai bronze: 200 m breaststroke and 4×100 m medley relay |
| Luo Xuejuan | CHN |
SWI | 2000—2004 | 0–1–2 2002 Moskva silver: 50 m breaststroke, bronze: 100 m breaststroke and 4×100 m medley relay |
| Yannick Lupien | CAN |
SWI | 2000—2004 | 0–0–1 1999 Hong Kong bronze: 4×200 m freestyle relay |
| Annika Lurz | GER |
SWI | 2008 | 0–0–1 2006 Shanghai bronze: 200 m freestyle (competed as Annika Liebs) |
| Remo Lütolf |  SUI |
SWI | 2000—2004 | 0–0–1 1999 Hong Kong bronze: 50 m breaststroke |
| Anders Lyrbring | SWE |
SWI | 1996 | 0–1–0 1997 Göteborg silver: 4×200 m freestyle relay |
| Marcos Macedo | BRA |
SWI | 2016 | 1–0–0 2014 Doha gold: 4×100 m medley relay |
| Lise Mackie | AUS |
SWI | 1992—1996 | 0–0–1 1997 Göteborg bronze: 4×200 m freestyle relay |
| Richard Maden | GBR |
SWI | 1996 | 0–0–1 1997 Göteborg bronze: 4×100 m medley relay |
| Stefaan Maene | BEL |
SWI | 1992 | 0–0–1 1993 Palma de Mallorca bronze: 200 m backstroke |
| Filippo Magnini | ITA |
SWI | 2004—2016 | 2–5–2 2006 Shanghai gold: 4×100 m freestyle relay and 4×200 m freestyle relay, silver: 100 m freestyle and 200 m freestyle; 2008 Manchester silver: 100 m freestyle, bronze: 4×200 m freestyle relay; 2014 Doha silver: 4×100 m freestyle relay and 4×200 m freestyle relay, bronze: 4×50 m freestyle relay |
| Christine Magnuson | USA |
SWI | 2008 | 0–1–1 2010 Dubai silver: 4×100 m medley relay (swam in heats only); 2012 İstanbul bronze: 4×100 m medley relay (swam in heats only) |
| Travis Mahoney | AUS |
SWI | 2016 | 0–1–1 2012 İstanbul silver: 4×200 m freestyle relay (swam in heats only); 2014 Doha bronze: 4×100 m freestyle relay |
| Sandrine Mainville | CAN |
SWI | 2016 | 1–0–1 2016 Windsor gold: 4×50 m freestyle relay, bronze: 4×50 m freestyle mixed relay |
| Joanne Malar | CAN |
SWI | 1992—2000 | 2–1–2 1995 Rio de Janeiro gold: 400 m medley and 4×200 m freestyle relay; 1997 Göteborg bronze: 400 m medley; 1999 Hong Kong silver: 400 m medley, bronze: 400 m freestyle |
| Marcin Maliński | POL |
SWI | 1992—1996 | 0–0–2 1995 Rio de Janeiro bronze: 200 m medley and 400 m medley |
| Florent Manaudou | FRA |
SWI | 2012—2016 | 4–3–2 2012 İstanbul silver: 50 m freestyle, bronze: 50 m breaststroke; 2014 Doha gold: 50 m freestyle, 50 m backstroke, 4×100 m freestyle relay, and 4×200 m freestyle relay, silver: 100 m freestyle and 4×50 m medley relay, bronze: 4×100 m medley relay |
| Peter Mankoč | SLO |
SWI | 1996—2012 | 3–3–1 2002 Moskva gold: 100 m medley, silver: 200 m medley; 2004 Indianapolis gold: 100 m medley, bronze: 100 m butterfly; 2006 Shanghai silver: 100 m medley; 2008 Manchester gold: 100 m butterfly, silver: 100 m medley |
| Igor Marchenko | RUS |
SWI | 2000—2004 | 0–0–2 2002 Moskva bronze: 100 m butterfly and 4×100 m medley relay |
| Alessandra Marchioro | BRA |
SWI | 2010 | 0–0–1 2014 Doha bronze: 4×50 m freestyle mixed relay (swam in heats only) |
| Melanie Margalis | USA |
SWI | 2016 | 1–3–1 2014 Doha bronze: 200 m medley; 2018 Hangzhou gold: 4×100 m medley relay (swam in heats only), silver: 200 m medley, 400 m medley, and 4×200 m freestyle relay |
| Luca Marin | ITA |
SWI | 2004—2016 | 0–1–0 2006 Shanghai silver: 400 m medley |
| Serghei Mariniuc |  MDAEUN |
SWI | 1992—2000 | 0–1–0 1993 Palma de Mallorca silver: 400 m medley (competed for Moldova) |
| Melanie Marshall | GBR |
SWI | 2004—2008 | 0–1–1 2008 Manchester silver: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay |
| Angel Martino | USA |
SWI | 1992—1996 | 1–2–2 1993 Palma de Mallorca gold: 100 m backstroke, silver: 50 m freestyle and 100 m freestyle, bronze: 4×100 m freestyle relay and 4×100 m medley relay |
| Henrique Martins | BRA |
SWI | 2016 | 3–0–1 2014 Doha gold: 4×50 m medley relay (swam in heats only), 4×100 m medley relay (swam in heats only), and 4×50 m medley mixed relay (swam in heats only), bronze: 4×50 m freestyle mixed relay (swam in heats only) |
| Kylie Masse | CAN |
SWI | 2016 | 0–2–0 2016 Windsor silver: 100 m backstroke and 4×100 m medley relay |
| Alexandre Massura | BRA |
SWI | 1996—2000 | 1–0–0 1995 Rio de Janeiro gold: 4×100 m freestyle relay |
| Ida Mattsson-Marko-Varga | SWE |
SWI | 2004—2016 | 0–1–2 2004 Indianapolis silver: 4×100 m freestyle relay (swam in heats only), bronze: 4×200 m freestyle relay (competed as Ida Mattsson); 2006 Shanghai bronze: 4×100 m freestyle relay (competed as Ida Mattsson) |
| Caitlin McClatchey | GBR |
SWI | 2004—2012 | 0–1–2 2008 Manchester silver: 4×200 m freestyle relay, bronze: 200 m freestyle and 4×100 m freestyle relay |
| Tyler McGill | USA |
SWI | 2012 | 1–0–0 2010 Dubai gold: 4×100 m medley relay (swam in heats only) |
| Emma McKeon | AUS |
SWI | 2010—2016 | 0–0–1 2010 Dubai bronze: 4×100 m medley relay (swam in heats only) |
| Hannah McLean | NZL |
SWI | 2004 | 0–0–1 2006 Shanghai bronze: 200 m backstroke |
| Matt McLean | USA |
SWI | 2012 | 1–0–0 2012 İstanbul gold: 4×200 m freestyle relay |
| Gavin Meadows | GBR |
SWI | 2004 | 0–2–1 1997 Göteborg bronze: 4×200 m freestyle relay (swam in heats only); 1999 Hong Kong silver: 4×200 m freestyle relay; 2000 Athina silver: 4×200 m freestyle relay (swam in heats only) |
| Etiene Medeiros | BRA |
SWI | 2016 | 3–1–2 2014 Doha gold: 50 m backstroke and 4×50 m medley mixed relay, bronze: 4×50 m freestyle mixed relay; 2016 Windsor gold: 50 m backstroke, silver: 4×50 m medley mixed relay; 2018 Hangzhou bronze: 50 m freestyle |
| Blaž Medvešek | SLO |
SWI | 2000—2004 | 0–0–1 2002 Moskva bronze: 200 m backstroke |
| Maud van der Meer | NED |
SWI | 2016 | 2–1–1 2014 Doha gold: 4×50 m freestyle relay and 4×100 m freestyle relay; 2016 Windsor silver: 4×50 m freestyle relay (swam in heats only), bronze: 4×100 m freestyle relay |
| Helge Meeuw | GER |
SWI | 2004—2012 | 0–0–2 2006 Shanghai bronze: 50 m backstroke and 100 m backstroke |
| Katie Meili | USA |
SWI | 2016 | 3–1–0 2018 Hangzhou gold: 4×50 m medley relay, 4×100 m medley relay, and 4×50 m medley mixed relay (swam in heats only), silver: 100 m breaststroke |
| Rūta Meilutytė | LTU |
SWI | 2012—2016 | 3–3–0 2012 İstanbul gold: 50 m breaststroke and 100 m breaststroke, silver: 100 m medley; 2014 Doha gold: 50 m breaststroke, silver: 100 m breaststroke; 2018 Hangzhou silver: 50 m breaststroke |
| Katrin Meißner | GDRGER |
SWI | 1988—2000 | 0–3–0 1997 Göteborg silver: 4×100 m freestyle relay (competed for Germany); 2000 Athina silver: 4×100 m freestyle relay and 4×100 m medley relay (competed for Germany) |
| Oussama Mellouli |  TUN |
OWS/SWI | 2000—2016 | 2–2–3 2004 Indianapolis gold: 400 m medley, bronze: 200 m medley; 2010 Dubai gold: 1500 m freestyle, silver: 400 m medley, bronze: 200 m freestyle and 400 m freestyle; 2014 Doha silver: 1500 m freestyle |
| José Meolans | ARG |
SWI | 1996—2008 | 1–2–1 1999 Hong Kong silver: 50 m freestyle; 2002 Moskva gold: 50 m freestyle, silver: 100 m freestyle; 2006 Shanghai bronze: 100 m freestyle |
| Mehdy Metella | FRA |
SWI | 2010—2016 | 2–2–1 2014 Doha gold: 4×100 m freestyle relay and 4×200 m freestyle relay, silver: 4×50 m medley relay, bronze: 4×100 m medley relay; 2016 Windsor silver: 4×100 m freestyle relay |
| Darren Mew | GBR |
SWI | 2000—2004 | 0–0–2 1999 Hong Kong bronze: 4×100 m medley relay; 2000 Athina bronze: 4×100 m medley relay |
| William Meynard | FRA |
SWI | 2016 | 1–0–0 2010 Dubai gold: 4×100 m freestyle relay (swam in heats only) |
| Clément Mignon | FRA |
SWI | 2016 | 1–2–1 2014 Doha gold: 4×100 m freestyle relay, silver: 4×50 m medley relay (swam in heats only), bronze: 4×100 m medley relay; 2016 Windsor silver: 4×100 m freestyle relay |
| Hannah Miley | GBR |
SWI | 2008—2016 | 1–1–3 2008 Manchester silver: 400 m medley, bronze: 200 m medley; 2012 İstanbul gold: 400 m medley, bronze: 200 m medley; 2014 Doha bronze: 400 m medley |
| Cody Miller | USA |
SWI | 2016 | 1–2–1 2014 Doha silver: 4×100 m medley relay, bronze: 4×50 m medley relay; 2016 Windsor gold: 4×50 m medley mixed relay (swam in heats only), silver: 4×50 m medley relay |
| Scott Miller | AUS |
SWI | 1996 | 1–3–0 1995 Rio de Janeiro gold: 100 m butterfly, silver: 200 m butterfly, 4×100 m freestyle relay (swam in heats only), and 4×100 m medley relay |
| Alice Mills | AUS |
SWI | 2004—2008 | 0–1–0 2008 Manchester silver: 4×100 m freestyle relay |
| Miloš Milošević | CRO |
SWI | 1996—2000 | 1–0–0 1993 Palma de Mallorca gold: 100 m butterfly |
| Sumika Minamoto | JPN |
SWI | 1996—2000 | 1–0–0 1999 Hong Kong gold: 4×100 m medley relay |
| Christian Minotti | ITA |
SWI | 2000—2004 | 0–0–1 2002 Moskva bronze: 1500 m freestyle |
| Mike Mintenko | CAN |
SWI | 2000—2004 | 0–0–1 2004 Indianapolis bronze: 4×100 m freestyle relay |
| Ryan Mitchell | AUS |
SWI | 1996—2000 | 0–3–0 1995 Rio de Janeiro silver: 200 m breaststroke and 4×100 m medley relay (swam in heats only); 1999 Hong Kong silver: 200 m breaststroke |
| Alice Mizzau | ITA |
SWI | 2012—2016 | 0–0–1 2014 Doha bronze: 4×100 m freestyle relay (swam in heats only) |
| Kenrick Monk | AUS |
SWI | 2008—2012 | 2–0–0 2008 Manchester gold: 200 m freestyle and 4×200 m freestyle relay |
| Martina Moravčíková | CZE |
SWI | 2012—2016 | 7–5–5 1995 Rio de Janeiro silver: 200 m medley, bronze: 200 m freestyle; 1997 Göteborg silver: 200 m medley, bronze: 200 m freestyle; 1999 Hong Kong gold: 200 m freestyle, 100 m medley, and 200 m medley; 2000 Athina gold: 100 m medley, silver: 200 m freestyle and 200 m medley, bronze: 100 m freestyle; 2002 Moskva gold: 100 m butterfly and 100 m medley, silver: 100 m freestyle; 2004 Indianapolis gold: 100 m butterfly, bronze: 100 m medley; 2006 Shanghai bronze: 100 m medley |
| David Morgan | AUS |
SWI | 2016 | 0–1–3 2016 Windsor silver: 4×100 m medley relay, bronze: 50 m butterfly, 100 m butterfly, and 4×100 m freestyle relay |
| Vladimir Morozov | RUS |
SWI | 2012—2016 | 9–10–1 2012 İstanbul gold: 50 m freestyle and 100 m freestyle, silver: 4×100 m medley relay; 2014 Doha gold: 4×50 m freestyle relay, silver: 100 m medley, 4×100 m freestyle relay, and 4×50 m freestyle mixed relay; 2016 Windsor gold: 4×50 m freestyle relay, 4×100 m freestyle relay, 4×50 m medley relay, 4×100 m medley relay, and 4×50 m freestyle mixed relay; 2016 Windsor silver: 50 m freestyle and 100 m breaststroke; 2018 Hangzhou gold: 50 m freestyle, silver: 100 m freestyle, 4×50 m freestyle relay, 4×100 m freestyle relay, and 4×100 m medley relay, bronze: 4×50 m freestyle mixed relay |
| Rafael Mósca | BRA |
SWI | 2004 | 0–0–1 2004 Indianapolis bronze: 4×200 m freestyle relay |
| Camille Muffat | FRA |
SWI | 2008—2012 | 1–0–1 2010 Dubai gold: 200 m freestyle, bronze: 4×200 m freestyle relay |
| Yury Mukhin | RUSEUN |
SWI | 1992 | 0–0–2 1993 Palma de Mallorca bronze: 4×100 m freestyle relay (competed for Russia); 1995 Rio de Janeiro bronze: 4×100 m medley relay (competed for Russia) |
| Darya Mullakayeva | RUS |
SWI | 2014—2016 | 0–0–1 2016 Windsor bronze: 4×200 m freestyle relay |
| Ryan Murphy | USA |
SWI | 2016 | 4–3–1 2012 İstanbul gold: 4×100 m medley relay (swam in heats only), bronze: 200 m backstroke; 2018 Hangzhou gold: 100 m backstroke, 4×100 m medley relay, and 4×50 m medley mixed relay (swam in heats only), silver: 50 m backstroke, 200 m backstroke, and 4×50 m medley relay |
| Curtis Myden | CAN |
SWI | 1992—2000 | 1–2–1 1993 Palma de Mallorca gold: 400 m medley, bronze: 200 m medley; 1995 Rio de Janeiro silver: 200 m medley and 400 m medley |
| Katsumi Nakamura | JPN |
SWI | 2016 | 0–0–1 2018 Hangzhou bronze: 4×100 m medley relay |
| Mai Nakamura | JPN |
SWI | 1996—2000 | 3–1–0 1999 Hong Kong gold: 100 m backstroke, 200 m backstroke, and 4×100 m medley relay, silver: 50 m backstroke |
| Reiko Nakamura | JPN |
SWI | 2004—2008 | 0–1–0 2002 Moskva silver: 200 m backstroke |
| Anita Nall | USA |
SWI | 1992 | 0–0–1 2000 Athina bronze: 4×100 m medley relay |
| Rozaliya Nasretdinova | RUS |
SWI | 2014—2016 | 1–1–2 2014 Doha silver: 4×50 m freestyle mixed relay; 2016 Windsor gold: 4×50 m freestyle mixed relay; 2018 Hangzhou bronze: 4×50 m freestyle mixed relay and 4×50 m medley mixed relay |
| Lia Neal | USA |
SWI | 2012—2016 | 4–1–1 2012 İstanbul gold: 4×100 m freestyle relay, bronze: 4×100 m medley relay (swam in heats only); 2018 Hangzhou gold: 4×50 m freestyle relay (swam in heats only), 4×100 m freestyle relay, and 4×100 m medley relay (swam in heats only), silver: 4×200 m freestyle relay (swam in heats only) |
| Leah Neale | AUS |
SWI | 2016 | 0–0–1 2014 Doha bronze: 4×200 m freestyle relay |
| Ryk Neethling | RSA |
SWI | 1996—2008 | 3–0–0 2006 Shanghai gold: 100 m freestyle, 200 m freestyle, and 100 m medley |
| Jade Neilsen | AUS |
SWI | 2012 | 0–1–0 2010 Dubai silver: 4×200 m freestyle relay |
| Margarita Nesterova | RUS |
SWI | 2012 | 0–1–0 2014 Doha silver: 4×50 m freestyle mixed relay (swam in heats only) |
| Robin Neumann | NED |
SWI | 2014—2016 | 0–0–1 2016 Windsor bronze: 4×100 m freestyle relay (swam in heats only) |
| Kotuku Ngawati | AUS |
SWI | 2016 | 0–1–0 2010 Dubai silver: 100 m medley |
| Nian Yun | CHN |
SWI | 1996 | 2–1–0 1997 Göteborg gold: 4×100 m freestyle relay and 4×200 m freestyle relay, silver: 200 m freestyle |
| Rachel Nicol | CAN |
SWI | 2010—2016 | 0–1–0 2016 Windsor silver: 4×100 m medley relay |
| Mie Ø. Nielsen | DEN |
SWI | 2012—2016 | 3–1–3 2012 İstanbul gold: 4×100 m medley relay, silver: 100 m backstroke, bronze: 4×100 m freestyle relay; 2014 Doha gold: 4×50 m medley relay and 4×100 m medley relay, bronze: 4×50 m freestyle relay; 2016 Windsor bronze: 4×50 m medley relay |
| Moniek Nijhuis | NED |
SWI | 2012 | 0–0–2 2014 Doha bronze: 50 m breaststroke and 100 m breaststroke |
| Volodymyr Nikolaichuk | UKR |
SWI | 1996—2004 | 0–0–1 2000 Athina bronze: 200 m backstroke |
| Malin Nilsson | SWE |
SWI | 1992—1996 | 0–1–0 1997 Göteborg silver: 4×200 m freestyle relay |
| Justin Norris | AUS |
SWI | 2000—2004 | 0–1–0 2002 Moskva silver: 200 m butterfly |
| Stefan Nystrand | SWE |
SWI | 2000—2012 | 1–4–4 2000 Athina gold: 4×100 m freestyle relay, silver: 100 m freestyle, bronze: 50 m freestyle; 2002 Moskva silver: 4×100 m freestyle relay; 2004 Indianapolis silver: 50 m freestyle, bronze: 50 m breaststroke; 2006 Shanghai silver: 4×100 m freestyle relay, bronze: 100 m medley; 2008 Manchester bronze: 4×100 m freestyle relay |
| Johan Nyström | SWE |
SWI | 2000 | 1–0–1 1999 Hong Kong bronze: 4×100 m freestyle relay (swam in heats only); 2000 Athina gold: 4×100 m freestyle relay |
| Siobhan-Marie O'Connor | GBR |
SWI | 2012—2016 | 0–3–0 2014 Doha silver: 100 m medley, 200 m medley, and 4×50 m medley mixed relay |
| Susie O'Neill | AUS |
IOC/SWI | 1992—2005 | 3–7–1 1993 Palma de Mallorca gold: 100 m butterfly, silver: 200 m freestyle, 200 m butterfly, 4×200 m freestyle relay, and 4×100 m medley relay; 1995 Rio de Janeiro gold: 200 m butterfly and 4×100 m medley relay, silver: 200 m freestyle, 100 m butterfly, and 4×100 m freestyle relay, bronze: 4×200 m freestyle relay |
| Alexander Dale Oen | NOR |
SWI | 2004—2008 | 0–0–1 2006 Shanghai bronze: 100 m breaststroke |
| Mattias Ohlin | SWE |
SWI | 2000—2004 | 1–2–1 1999 Hong Kong silver: 4×100 m medley relay, bronze: 4×100 m freestyle relay; 2000 Athina gold: 4×100 m freestyle relay; 2002 Moskva silver: 4×100 m freestyle relay |
| Penny Oleksiak | CAN |
SWI | 2016 | 2–1–1 2016 Windsor gold: 4×50 m freestyle relay and 4×200 m freestyle relay, silver: 4×100 m medley relay, bronze: 100 m freestyle |
| Larissa Oliveira | BRA |
SWI | 2016 | 1–1–1 2014 Doha gold: 4×50 m medley mixed relay, bronze: 4×50 m freestyle mixed relay; 2016 Windsor silver: 4×50 m medley mixed relay |
| Nicolas Oliveira | BRA |
SWI | 2008—2016 | 0–0–2 2010 Dubai bronze: 4×100 m freestyle relay and 4×100 m medley relay (swam in heats only) |
| Linda Olofsson | SWE |
SWI | 1992—1996 | 0–1–2 1993 Palma de Mallorca silver: 4×100 m freestyle relay, bronze: 50 m freestyle; 1995 Rio de Janeiro bronze: 4×100 m freestyle relay |
| Jon Olsen | USA |
SWI | 1992—1996 | 1–1–1 1993 Palma de Mallorca gold: 4×100 m medley relay, silver: 4×100 m freestyle relay, bronze: 100 m freestyle |
| Arina Opyonysheva | RUS |
SWI | 2016 | 0–0–1 2016 Windsor bronze: 4×200 m freestyle relay |
| Marco Orsi | ITA |
SWI | 2012—2016 | 0–3–1 2014 Doha silver: 50 m freestyle and 4×100 m freestyle relay, bronze: 4×50 m freestyle relay; 2018 Hangzhou silver: 100 m medley |
| Sergey Ostapchuk | RUS |
SWI | 1996—2000 | 0–1–1 1997 Göteborg silver: 4×100 m medley relay (swam in heats only); 1999 Hong Kong bronze: 200 m backstroke |
| Maria Östling | SWE |
SWI | 1996—2004 | 0–0–1 1999 Hong Kong bronze: 4×100 m medley relay |
| Simone Osygus | GER |
SWI | 1992—1996 | 0–1–0 1997 Göteborg silver: 4×100 m freestyle relay |
| Jeanette Ottesen Gray | DEN |
SWI | 2004—2016 | 4–1–7 2010 Dubai bronze: 50 m butterfly; 2012 İstanbul gold: 4×100 m medley relay, bronze: 50 m freestyle, 50 m butterfly, and 4×100 m freestyle relay; 2014 Doha gold: 4×50 m medley relay and 4×100 m medley relay, silver: 50 m butterfly, bronze: 100 m butterfly and 4×50 m freestyle relay; 2016 Windsor gold: 50 m butterfly, bronze: 4×50 m medley relay |
| Elli Overton | AUS |
SWI | 1992—2000 | 2–3–2 1993 Palma de Mallorca silver: 4×200 m freestyle relay and 4×100 m medley relay, bronze: 100 m backstroke and 200 m medley; 1995 Rio de Janeiro gold: 200 m medley and 4×100 m medley relay, silver: 4×100 m freestyle relay (swam in heats only) |
| Daniil Pakhomov | RUS |
SWI | 2016 | 2–0–0 2016 Windsor gold: 4×200 m freestyle relay (swam in heats only) and 4×50 m medley relay (swam in heats only) |
| Kirk Palmer | AUS |
SWI | 2008 | 1–1–0 2008 Manchester gold: 4×200 m freestyle relay, silver: 200 m freestyle |
| Kylie Palmer | AUS |
SWI | 2008—2012 | 2–3–3 2008 Manchester gold: 200 m freestyle and 400 m freestyle, silver: 800 m freestyle, bronze: 4×200 m freestyle relay; 2010 Dubai silver: 400 m freestyle and 4×200 m freestyle relay, bronze: 200 m freestyle; 2014 Doha bronze: 4×200 m freestyle relay |
| Paul Palmer | GBR |
SWI | 1992—2000 | 0–3–2 1993 Palma de Mallorca bronze: 400 m freestyle; 1997 Göteborg bronze: 4×200 m freestyle relay; 1999 Hong Kong silver: 4×200 m freestyle relay; 2000 Athina silver: 400 m freestyle and 4×200 m freestyle relay |
| Gregorio Paltrinieri | ITA |
SWI | 2012—2016 | 2–2–0 2012 İstanbul gold: 1500 m freestyle; 2014 Doha gold: 1500 m freestyle; 2016 Windsor silver: 1500 m freestyle; 2018 Hangzhou silver: 1500 m freestyle |
| Pang Jiaying | CHN |
SWI | 2004—2012 | 1–1–2 2006 Shanghai silver: 4×200 m freestyle relay; 2010 Dubai gold: 4×200 m freestyle relay (swam in heats only), bronze: 4×100 m freestyle relay; 2012 İstanbul bronze: 4×200 m freestyle relay |
| Denis Pankratov | RUSEUN |
SWI | 1992—2000 | 0–1–0 1997 Göteborg silver: 4×100 m medley relay (competed for Russia) |
| Margherita Panziera | ITA |
SWI | 2016 | 0–0–1 2018 Hangzhou bronze: 4×100 m medley relay |
| Park Tae-Hwan |  KOR |
SWI | 2004—2016 | 3–2–0 2006 Shanghai silver: 400 m freestyle and 1500 m freestyle; 2016 Windsor gold: 200 m freestyle, 400 m freestyle, and 1500 m freestyle |
| Terence Parkin | RSA |
SWI | 2000—2004 | 0–2–0 2000 Athina silver: 200 m breaststroke and 400 m medley |
| Todd Pearson | AUS |
SWI | 2000—2004 | 2–0–0 1999 Hong Kong gold: 4×100 m freestyle relay; 2002 Moskva gold: 4×200 m freestyle relay |
| Adam Peaty | GBR |
SWI | 2016 | 0–3–0 2014 Doha silver: 50 m breaststroke, 100 m breaststroke, and 4×50 m medley mixed relay |
| Jacob Pebley | USA |
SWI | 2016 | 0–3–0 2016 Windsor silver: 200 m backstroke, 4×200 m freestyle relay, and 4×50 m medley relay |
| Alicja Pęczak | POL |
SWI | 1992—2000 | 0–3–2 1995 Rio de Janeiro bronze: 200 m breaststroke; 1997 Göteborg silver: 100 m breaststroke, bronze: 200 m breaststroke; 2000 Athina silver: 100 m breaststroke and 200 m breaststroke |
| Rikke Møller Pedersen | DEN |
SWI | 2012—2016 | 4–0–3 2010 Dubai bronze: 200 m breaststroke; 2012 İstanbul gold: 200 m breaststroke and 4×100 m medley relay, bronze: 100 m breaststroke; 2014 Doha gold: 4×50 m medley relay and 4×100 m medley relay, bronze: 200 m breaststroke |
| Aaron Peirsol | USA |
SWI | 2000—2008 | 6–1–1 2002 Moskva gold: 200 m backstroke, 4×100 m freestyle relay (swam in heats only), and 4×100 m medley relay, silver: 100 m backstroke, bronze: 4×200 m freestyle relay (swam in heats only); 2004 Indianapolis gold: 100 m backstroke, 200 m backstroke, and 4×100 m medley relay |
| Federica Pellegrini | ITA |
SWI | 2004—2016 | 1–2–5 2006 Shanghai silver: 200 m freestyle, bronze: 400 m freestyle; 2010 Dubai bronze: 400 m freestyle and 4×100 m freestyle relay; 2016 Windsor gold: 200 m freestyle, silver: 4×100 m freestyle relay, bronze: 4×50 m freestyle relay; 2018 Hangzhou bronze: 4×100 m medley relay |
| Matteo Pelliciari | ITA |
SWI | 2000—2004 | 1–0–0 2006 Shanghai gold: 4×200 m freestyle relay |
| Thiago Pereira | BRA |
SWI | 2004—2016 | 1–1–2 2004 Indianapolis gold: 200 m medley, silver: 4×100 m freestyle relay, bronze: 100 m medley and 4×200 m freestyle relay |
| Giacomo Perez-Dortona | FRA |
SWI | 2012 | 0–1–2 2014 Doha silver: 4×50 m medley relay, bronze: 100 m breaststroke and 4×100 m medley relay |
| Merche Peris | ESP |
SWI | 2008 | 0–0–1 2010 Dubai bronze: 50 m backstroke |
| Răzvan Petcu | ROU |
SWI | 1996 | 0–0–1 1995 Rio de Janeiro bronze: 4×100 m freestyle relay |
| Aglaia Pezzato | ITA |
SWI | 2016 | 0–1–2 2014 Doha bronze: 4×100 m freestyle relay; 2016 Windsor silver: 4×100 m freestyle relay, bronze: 4×50 m freestyle relay |
| Michael Phelps | USA |
SWI | 2000—2016 | 1–0–0 2004 Indianapolis gold: 200 m freestyle |
| Karen Pickering | GBR |
SWI | 1992—2004 | 3–1–2 1993 Palma de Mallorca gold: 200 m freestyle, bronze: 100 m freestyle; 1999 Hong Kong gold: 4×100 m freestyle relay, silver: 4×200 m freestyle relay; 2000 Athina gold: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay |
| Leiston Pickett | AUS |
SWI | 2012 | 0–1–0 2010 Dubai silver: 50 m breaststroke |
| Blake Pieroni | USA |
SWI | 2016 | 3–2–1 2016 Windsor silver: 4×50 m freestyle relay and 4×200 m freestyle relay, bronze: 4×100 m freestyle relay; 2018 Hangzhou gold: 200 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay (swam in heats only) |
| Janine Pietsch | GER |
SWI | 2004 | 2–0–0 2006 Shanghai gold: 50 m backstroke and 100 m backstroke |
| Shamek Pietucha | CAN |
SWI | 2000 | 0–1–0 2000 Athina silver: 200 m butterfly |
| Jarno Pihlava | FIN |
SWI | 2000—2004 | 0–0–2 2002 Moskva bronze: 100 m breaststroke and 200 m breaststroke |
| Denis Pimankov | RUS |
SWI | 1996—2004 | 0–1–4 1995 Rio de Janeiro silver: 100 m butterfly, bronze: 4×100 m medley relay; 2000 Athina bronze: 4×200 m freestyle relay; 2002 Moskva bronze: 4×100 m freestyle relay and 4×100 m medley relay |
| Adam Pine | AUS |
SWI | 2000—2008 | 2–4–0 2002 Moskva silver: 50 m butterfly, 100 m butterfly, and 4×100 m medley relay; 2008 Manchester gold: 50 m butterfly and 4×100 m medley relay, silver: 100 m butterfly |
| Carly Piper | USA |
SWI | 2004 | 0–0–1 2006 Shanghai bronze: 4×200 m freestyle relay (swam in heats only) |
| Jim Piper | AUS |
SWI | 2004 | 1–1–0 2002 Moskva gold: 200 m breaststroke, silver: 4×100 m medley relay |
| David Plummer | USA |
SWI | 2016 | 1–0–0 2010 Dubai gold: 4×100 m medley relay (swam in heats only) |
| Sarah Poewe | GERRSA |
SWI | 2000—2012 | 2–1–0 2000 Athina gold: 50 m breaststroke and 100 m breaststroke (competed for South Africa); 2002 Moskva silver: 100 m breaststroke (competed for South Africa) |
| Mikhail Polishchuk | RUS |
SWI | 2008—2012 | 1–1–1 2010 Dubai gold: 4×200 m freestyle relay (swam in heats only); 2014 Doha silver: 4×100 m freestyle relay, bronze: 4×200 m freestyle relay |
| Claudia Poll |  CRC |
SWI | 1996—2004 | 4–0–0 1995 Rio de Janeiro gold: 200 m freestyle and 400 m freestyle; 1997 Göteborg gold: 200 m freestyle and 400 m freestyle |
| Anatoly Polyakov | RUS |
SWI | 2000—2004 | 0–0–2 2000 Athina bronze: 200 m butterfly and 4×200 m freestyle relay |
| Vlad Polyakov |  KAZ |
SWI | 2004—2012 | 1–0–2 2004 Indianapolis bronze: 100 m breaststroke and 200 m breaststroke; 2006 Shanghai gold: 200 m breaststroke |
| Aleksandr Popkov | RUS |
SWI | 2016 | 6–0–0 2014 Doha gold: 4×50 m freestyle relay (swam in heats only); 2016 Windsor gold: 4×50 m freestyle relay, 4×100 m freestyle relay, 4×50 m medley relay, 4×100 m medley relay (swam in heats only), and 4×50 m freestyle mixed relay (swam in heats only) |
| Aleksandr Popov | RUSEUN |
IOC/SWI | 1992—2018 | 0–0–2 2002 Moskva bronze: 50 m freestyle and 4×100 m freestyle relay (competed for Russia) |
| Veronika Popova | RUS |
SWI | 2012—2016 | 0–3–1 2012 İstanbul silver: 4×200 m freestyle relay; 2014 Doha silver: 4×50 m freestyle mixed relay; 2016 Windsor silver: 400 m freestyle, bronze: 4×200 m freestyle relay |
| Angela Postma | NED |
SWI | 1996 | 0–1–0 1995 Rio de Janeiro silver: 50 m freestyle |
| Camelia Potec | ROU |
SWI | 2000—2012 | 0–1–0 2008 Manchester silver: 400 m freestyle |
| Jordan Pothain | FRA |
SWI | 2016 | 0–1–0 2016 Windsor silver: 4×100 m freestyle relay |
| Vladimir Predkin | RUS |
SWI | 1996 | 0–0–1 1993 Palma de Mallorca bronze: 4×100 m freestyle relay |
| Josh Prenot | USA |
SWI | 2016 | 0–1–0 2018 Hangzhou silver: 200 m medley |
| Kirill Prigoda | RUS |
SWI | 2016 | 5–1–1 2014 Doha bronze: 200 m breaststroke; 2016 Windsor gold: 4×50 m freestyle relay (swam in heats only), 4×50 m medley relay, and 4×100 m medley relay; 2018 Hangzhou gold: 200 m breaststroke and 4×50 m medley relay (swam in heats only), silver: 4×100 m medley relay |
| Yury Prilukov | RUS |
SWI | 2004—2008 | 6–1–0 2002 Moskva silver: 4×200 m freestyle relay; 2004 Indianapolis gold: 400 m freestyle and 1500 m freestyle; 2006 Shanghai gold: 400 m freestyle and 1500 m freestyle; 2008 Manchester gold: 400 m freestyle and 1500 m freestyle |
| Qi Hui | CHN |
SWI | 2000—2008 | 4–0–2 1999 Hong Kong bronze: 200 m breaststroke; 2002 Moskva gold: 200 m breaststroke, bronze: 4×100 metre medley relay (swam in heats only); 2006 Shanghai gold: 200 m breaststroke, 200 m medley, and 400 m medley |
| Qiu Yuhan | CHN |
SWI | 2012—2014 | 0–1–1 2012 İstanbul bronze: 4×200 m freestyle relay; 2014 Doha silver: 4×200 m freestyle relay |
| Simona Quadarella | ITA |
SWI | 2014 | 0–1–0 2018 Hangzhou silver: 800 m freestyle |
| Danas Rapšys | LTU |
SWI | 2016 | 1–1–0 2018 Hangzhou gold: 400 m freestyle, silver: 200 m freestyle |
| Shayne Reese | AUS |
SWI | 2004—2008 | 3–4–1 2004 Indianapolis silver: 100 m medley and 4×200 m freestyle relay, bronze: 4×100 m freestyle relay; 2006 Shanghai gold: 4×100 m medley relay (swam in heats only) and 4×200 m freestyle relay, silver: 4×100 m freestyle relay; 2008 Manchester gold: 100 m medley, silver: 4×100 m freestyle relay |
| Chris Renaud | CAN |
SWI | 1996—2000 | 0–1–0 1995 Rio de Janeiro silver: 200 m backstroke |
| Molly Renshaw | GBR |
SWI | 2016 | 1–0–0 2016 Windsor gold: 200 m breaststroke |
| Robbie Renwick | GBR |
SWI | 2008—2016 | 0–1–1 2008 Manchester silver: 4×200 m freestyle relay, bronze: 400 m freestyle |
| Brenton Rickard | AUS |
SWI | 2008—2012 | 1–6–1 2004 Indianapolis silver: 50 m breaststroke, 100 m breaststroke, 200 m breaststroke, and 4×100 m medley relay; 2008 Manchester gold: 4×100 m medley relay; 2006 Shanghai silver: 100 m breaststroke and 200 m breaststroke; 2010 Dubai bronze: 200 m breaststroke |
| Flavia Rigamonti | SUI |
SWI | 2000—2008 | 0–0–3 1999 Hong Kong bronze: 800 m freestyle; 2000 Athina bronze: 800 m freestyle; 2002 Moskva bronze: 800 m freestyle |
| Sam Riley | AUS |
SWI | 1992—1996 | 3–1–3 1993 Palma de Mallorca bronze: 100 m breaststroke and 200 m breaststroke; 1995 Rio de Janeiro gold: 100 m breaststroke, 200 m breaststroke, and 4×100 m medley relay; 1999 Hong Kong silver: 4×100 m medley relay, bronze: 100 m breaststroke |
| Markus Rogan | AUT |
SWI | 2000—2012 | 1–4–1 2006 Shanghai silver: 100 m backstroke, 200 m backstroke, and 200 m medley; 2008 Manchester gold: 200 m backstroke; 2010 Dubai silver: 200 m medley, bronze: 200 m backstroke |
| Phil Rogers | AUS |
SWI | 1992—2000 | 4–2–0 1993 Palma de Mallorca gold: 100 m breaststroke, silver: 200 m breaststroke; 1997 Göteborg gold: 4×100 m medley relay; 1999 Hong Kong gold: 200 m breaststroke and 4×100 m medley relay; 2002 Moskva silver: 4×100 m medley relay (swam in heats only) |
| Sue Rolph | GBR |
SWI | 1996—2000 | 1–0–2 1997 Göteborg bronze: 200 m medley; 1999 Hong Kong gold: 4×100 m freestyle relay, bronze: 100 m freestyle |
| Mykhailo Romanchuk | UKR |
SWI | 2014—2016 | 1–0–0 2018 Hangzhou gold: 1500 m freestyle |
| Giaan Rooney | AUS |
SWI | 2000—2004 | 0–2–2 1999 Hong Kong silver: 4×100 m medley relay, bronze: 4×200 m freestyle relay; 2002 Moskva silver: 4×100 m freestyle relay, bronze: 4×200 m freestyle relay |
| Gabrielle Rose | BRAUSA |
SWI | 1996—2000 | 0–3–0 2002 Moskva silver: 100 m medley, 200 m medley, and 4×200 m freestyle relay (competed for the United States) |
| Matt Rose | CAN |
SWI | 2004 | 0–0–1 2004 Indianapolis bronze: 4×100 m freestyle relay |
| Massi Rosolino | ITA |
SWI | 1996—2008 | 1–2–7 1999 Hong Kong bronze: 400 m freestyle; 2000 Athina silver: 200 m freestyle, bronze: 200 m medley and 400 m freestyle; 2006 Shanghai gold: 4×200 m freestyle relay, bronze: 200 m freestyle and 400 m freestyle; 2008 Manchester silver: 400 m freestyle, bronze: 200 m freestyle and 4×200 m freestyle relay |
| Sharon van Rouwendaal | NED |
OWS/SWI | 2012—2016 | 1–1–1 2014 Doha gold: 4×200 m freestyle relay, silver: 400 m freestyle, bronze: 800 m freestyle |
| Taylor Ruck | CAN |
SWI | 2016 | 2–1–1 2016 Windsor gold: 4×50 m freestyle relay and 4×200 m freestyle relay, silver: 4×100 m medley relay (swam in heats only), bronze: 200 m freestyle |
| Cathleen Rund | GER |
SWI | 1996—2000 | 0–0–1 1993 Palma de Mallorca bronze: 200 m backstroke |
| Thomas Rupprath | GER |
SWI | 2000—2008 | 1–3–1 2000 Athina silver: 4×100 m medley relay; 2004 Indianapolis gold: 50 m backstroke, silver: 100 m medley, bronze: 100 m backstroke; 2006 Shanghai silver: 50 m backstroke |
| Sarah Ryan | AUS |
SWI | 1996—2004 | 1–3–2 1995 Rio de Janeiro gold: 4×100 m medley relay (swam in heats only), silver: 4×100 m freestyle relay; 1997 Göteborg bronze: 4×100 m medley relay; 1999 Hong Kong silver: 4×100 m medley relay (swam in heats only), bronze: 4×100 m freestyle relay; 2002 Moskva silver: 4×100 m freestyle relay |
| Shane Ryan |  IRL |
SWI | 2016 | 0–0–1 2018 Hangzhou bronze: 50 m backstroke |
| Yevgeny Rylov | RUS |
SWI | 2014—2016 | 3–3–2 2018 Hangzhou gold: 50 m backstroke, 200 m backstroke, and 4×50 m medley relay, silver: 4×50 m freestyle relay, 4×50 m freestyle relay, and 4×100 m freestyle relay (swam in heats only), bronze: 4×50 m freestyle mixed relay (swam in heats only) and 4×50 m medley mixed relay (swam in heats only) |
| Yevgeny Ryzhkov | KAZ |
SWI | 2004—2008 | 0–0–1 2006 Shanghai bronze: 200 m breaststroke |
| Simone Sabbioni | ITA |
SWI | 2014—2016 | 0–0–1 2014 Doha bronze: 4×50 m medley mixed relay (swam in heats only) |
| Fernando Saez | BRA |
SWI | 1996 | 0–0–1 1995 Rio de Janeiro bronze: 4×200 m freestyle relay |
| Lucas Salatta | BRA |
SWI | 2004—2008 | 0–0–1 2004 Indianapolis bronze: 4×200 m freestyle relay |
| Jamie Salter | GBR |
SWI | 1996—2000 | 0–1–1 1997 Göteborg bronze: 4×200 m freestyle relay; 2000 Athina silver: 4×200 m freestyle relay |
| Francisco Sánchez |  VEN |
SWI | 1996—2000 | 3–0–1 1995 Rio de Janeiro gold: 50 m freestyle, bronze: 100 m freestyle; 1997 Göteborg gold: 50 m freestyle and 100 m freestyle |
| Kaitlin Sandeno | USA |
SWI | 2000—2004 | 4–1–1 2004 Indianapolis gold: 200 m butterfly, 400 m freestyle, 400 m medley, and 4×200 m freestyle relay; 2006 Shanghai silver: 200 m medley, bronze: 4×200 m freestyle relay |
| Paval Sankovich | BLR |
SWI | 2008—2016 | 0–0–2 2016 Windsor bronze: 50 m backstroke and 4×50 m medley relay |
| Anna Santamans | FRA |
SWI | 2010—2016 | 0–0–1 2014 Doha bronze: 4×50 m medley relay |
| Matheus Santana | BRA |
SWI | 2014—2016 | 0–0–2 2018 Hangzhou bronze: 4×100 m freestyle relay and 4×50 m medley relay (swam in heats only) |
| Nicholas Santos | BRA |
SWI | 2008—2012 | 4–3–3 2004 Indianapolis silver: 4×100 m freestyle relay, bronze: 50 m freestyle; 2010 Dubai bronze: 4×100 m freestyle relay; 2012 İstanbul gold: 50 m butterfly; 2014 Doha gold: 4×50 m medley relay and 4×50 m medley mixed relay, silver: 50 m butterfly; 2016 Windsor silver: 4×50 m medley mixed relay; 2018 Hangzhou gold: 50 m butterfly, bronze: 4×50 m medley relay |
| Michele Santucci | ITA |
SWI | 2008—2016 | 0–1–1 2008 Manchester bronze: 4×200 m freestyle relay (swam in heats only); 2014 Doha silver: 4×100 m freestyle relay |
| Katerine Savard | CAN |
SWI | 2012—2016 | 1–1–1 2016 Windsor gold: 4×200 m freestyle relay, silver: 4×100 m medley relay, bronze: 4×50 m freestyle mixed relay (swam in heats only) |
| Mateusz Sawrymowicz | POL |
SWI | 2008—2016 | 0–0–2 2008 Manchester bronze: 1500 m freestyle; 2012 İstanbul bronze: 1500 m freestyle |
| Rick Say | CAN |
SWI | 2000—2008 | 0–1–3 1999 Hong Kong bronze: 4×200 m freestyle relay; 2004 Indianapolis silver: 200 m freestyle, bronze: 100 m freestyle and 4×100 m freestyle relay |
| Xuxa Scherer | BRA |
SWI | 1996—2004 | 4–1–0 1993 Palma de Mallorca gold: 100 m freestyle and 4×100 m freestyle relay; 1995 Rio de Janeiro gold: 100 m freestyle and 4×100 m freestyle relay, silver: 50 m freestyle |
| Jess Schipper | AUS |
SWI | 2004—2012 | 4–0–1 2004 Indianapolis gold: 4×100 m medley relay; 2006 Shanghai gold: 200 m butterfly, 4×200 m freestyle relay, and 4×100 m medley relay, bronze: 100 m butterfly |
| Allison Schmitt | USA |
SWI | 2008—2016 | 3–0–0 2012 İstanbul gold: 200 m freestyle, gold: 4×100 m freestyle relay, and 4×200 m freestyle relay |
| Hinkelien Schreuder | NED |
SWI | 2008—2012 | 3–3–1 2006 Shanghai gold: 4×100 m freestyle relay; 2008 Manchester gold: 4×100 m freestyle relay, silver: 50 m freestyle and 50 m butterfly; 2010 Dubai gold: 4×100 m freestyle relay, silver: 50 m freestyle, bronze: 100 m medley |
| Tripp Schwenk | USA |
SWI | 1992—1996 | 3–0–0 1993 Palma de Mallorca gold: 100 m backstroke, 200 m backstroke, and 4×100 m medley relay |
| Fabio Scozzoli | ITA |
SWI | 2012 | 1–1–2 2010 Dubai silver: 100 m breaststroke; 2012 İstanbul gold: 100 m breaststroke; 2014 Doha bronze: 4×50 m medley mixed relay; 2016 Windsor bronze: 100 m breaststroke |
| Emily Seebohm | AUS |
SWI | 2008—2016 | 0–5–5 2014 Doha silver: 50 m backstroke, 100 m backstroke, 200 m backstroke, and 4×100 m medley relay, bronze: 100 m medley; 2016 Windsor silver: 100 m medley, bronze: 200 m backstroke and 4×100 m medley relay; 2018 Hangzhou bronze: 200 m backstroke and 4×50 m freestyle relay |
| Francesca Segat | ITA |
SWI | 2004 | 0–1–0 2006 Shanghai silver: 200 m butterfly |
| Vladimir Selkov | RUSEUN |
SWI | 1992—1996 | 0–1–1 1997 Göteborg silver: 4×100 m medley relay, bronze: 200 m backstroke (competed for Russia) |
| Hanna-Maria Seppälä | FIN |
SWI | 2000—2016 | 0–2–1 2006 Shanghai silver: 100 m medley; 2008 Manchester silver: 100 m medley, bronze: 100 m freestyle |
| Andriy Serdinov | UKR |
SWI | 2000—2008 | 0–0–1 2008 Manchester bronze: 4×100 m medley relay |
| Daiya Seto | JPN |
SWI | 2016 | 5–3–4 2012 İstanbul gold: 400 m medley, silver: 200 m medley; 2014 Doha gold: 400 m medley, silver: 200 m butterfly, bronze: 200 m medley; 2016 Windsor gold: 400 m medley, silver: 100 m medley, bronze: 200 m butterfly, 200 m medley, and 4×200 m freestyle relay; 2018 Hangzhou gold: 200 m butterfly and 400 m medley |
| Andrey Shabasov | RUS |
SWI | 2016 | 2–2–0 2016 Windsor gold: 4×50 m medley relay and 4×100 m medley relay, silver: 100 m backstroke; 2018 Hangzhou silver: 4×100 m medley relay (swam in heats only) |
| Shannon Shakespeare | CAN |
SWI | 1996—2000 | 1–1–0 1995 Rio de Janeiro gold: 4×200 m freestyle relay, silver: 4×100 m medley relay |
| Shan Ying | CHN |
SWI | 1996 | 6–0–0 1993 Palma de Mallorca gold: 4×100 m freestyle relay and 4×200 m freestyle relay; 1995 Rio de Janeiro gold: 4×100 m freestyle relay; 1997 Göteborg gold: 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay (swam in heats only) |
| Shang Keyuan | CHN |
SWI | 2016 | 0–0–1 2018 Hangzhou bronze: 4×200 m freestyle relay (swam in heats only) |
| Eric Shanteau | USA |
SWI | 2008—2012 | 0–0–1 2004 Indianapolis bronze: 400 m medley |
| Courtney Shealy | USA |
SWI | 2000 | 0–0–1 1995 Rio de Janeiro bronze: 4×100 m medley relay |
| Shen Duo | CHN |
SWI | 2014—2016 | 0–1–0 2014 Doha silver: 4×200 m freestyle relay |
| Alison Sheppard | GBR |
SWI | 1988—2004 | 1–1–4 1999 Hong Kong gold: 4×100 m freestyle relay, bronze: 50 m freestyle; 2000 Athina bronze: 50 m freestyle and 4×100 m freestyle relay; 2002 Moskva silver: 50 m freestyle, bronze: 100 m medley |
| Shi Jinglin | CHN |
SWI | 2016 | 0–1–0 2018 Hangzhou silver: 4×100 m medley relay |
| Tom Shields | USA |
SWI | 2016 | 2–9–4 2012 İstanbul gold: 4×100 m medley relay, silver: 100 m butterfly, bronze: 50 m butterfly; 2014 Doha silver: 100 m butterfly, 4×50 m freestyle relay, and 4×100 m medley relay, bronze: 4×100 m freestyle relay and 4×50 m medley relay; 2016 Windsor gold: 4×50 m medley mixed relay, silver: 50 m butterfly, 100 m butterfly, 200 m butterfly, 4×50 m freestyle relay, and 4×50 m medley relay, bronze: 4×100 m freestyle relay |
| Shinri Shioura | JPN |
SWI | 2016 | 0–1–3 2016 Windsor silver: 100 m freestyle, bronze: 100 m medley, 4×50 m freestyle relay, and 4×100 m medley relay |
| Mariusz Siembida | POL |
SWI | 1996—2000 | 0–1–1 1999 Hong Kong silver: 50 m backstroke, bronze: 100 m backstroke |
| Jani Sievinen | FIN |
SWI | 1992—2004 | 4–2–0 1999 Hong Kong gold: 100 m medley; 2000 Athina gold: 200 m medley and 400 m medley, silver: 100 m medley; 2002 Moskva gold: 200 m medley, silver: 100 m medley |
| Emily Silver | USA |
SWI | 2008 | 0–1–0 2008 Manchester silver: 4×100 m medley relay (swam in heats only) |
| Lizzie Simmonds | GBR |
SWI | 2008—2012 | 0–1–0 2008 Manchester silver: 200 m backstroke |
| Edward Sinclair | GBR |
SWI | 2000 | 0–2–0 1999 Hong Kong silver: 4×200 m freestyle relay; 2000 Athina silver: 4×200 m freestyle relay |
| Vyacheslav Sinkevich | RUS |
SWI | 2012 | 0–1–1 2012 İstanbul silver: 4×100 m medley relay, bronze: 200 m breaststroke |
| Adam Sioui | CAN |
SWI | 2008 | 0–0–1 2004 Indianapolis bronze: 4×100 m freestyle relay |
| Johanna Sjöberg | SWE |
SWI | 1996—2004 | 5–4–5 1995 Rio de Janeiro bronze: 4×100 m freestyle relay; 1997 Göteborg silver: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay; 1999 Hong Kong gold: 4×200 m freestyle relay, silver: 100 m butterfly, bronze: 4×100 m medley relay; 2000 Athina gold: 4×100 m freestyle relay and 4×100 m medley relay, silver: 100 m butterfly; 2002 Moskva gold: 4×100 m freestyle relay and 4×100 m medley relay; 2004 Indianapolis silver: 4×100 m freestyle relay, bronze: 4×200 m freestyle relay and 4×100 m medley relay |
| Sarah Sjöström | SWE |
SWI | 2008—2016 | 3–1–0 2014 Doha gold: 200 m freestyle, 50 m butterfly, and 100 m butterfly, silver: 100 m freestyle |
| Sophia Skou | DEN |
SWI | 1996—2000 | 0–0–1 1999 Hong Kong bronze: 200 m butterfly |
| Nikolay Skvortsov | RUS |
SWI | 2004—2012 | 0–2–4 2004 Indianapolis bronze: 4×100 m medley relay; 2006 Shanghai bronze: 200 m butterfly; 2008 Manchester silver: 200 m butterfly, bronze: 100 m butterfly; 2012 İstanbul silver: 4×100 m medley relay, bronze: 200 m butterfly |
| Roman Sludnov | RUS |
SWI | 2000—2012 | 2–0–0 2000 Athina gold: 100 m breaststroke and 200 m breaststroke |
| Amy Smith | GBR |
SWI | 2012 | 0–0–1 2008 Manchester bronze: 4×100 m freestyle relay (swam in heats only) |
| Dan Smith | AUS |
SWI | 2016 | 0–1–1 2016 Windsor silver: 4×100 m medley relay (swam in heats only), bronze: 4×100 m freestyle relay |
| Leah Smith | USA |
SWI | 2016 | 2–2–1 2016 Windsor gold: 400 m freestyle and 800 m freestyle, silver: 4×200 m freestyle relay; 2018 Hangzhou silver: 4×200 m freestyle relay, bronze: 800 m freestyle |
| Olivia Smoliga | USA |
SWI | 2016 | 10–1–1 2012 İstanbul gold: 100 m backstroke and 4×100 m freestyle relay (swam in heats only), silver: 50 m backstroke, bronze: 4×100 m medley relay; 2018 Hangzhou gold: 50 m backstroke, 100 m backstroke, 4×50 m freestyle relay (swam in heats only), 4×100 m freestyle relay, 4×50 m medley relay, 4×100 m medley relay, 4×50 m freestyle mixed relay (swam in heats only), and 4×50 m medley mixed relay |
| Glenn Snyders | NZL |
SWI | 2008—2016 | 0–0–1 2008 Manchester bronze: 4×100 m medley relay |
| Yelena Sokolova | RUS |
SWI | 2008—2012 | 0–1–0 2012 İstanbul silver: 4×200 m freestyle relay |
| Rebecca Soni | USA |
SWI | 2008—2012 | 3–2–0 2008 Manchester silver: 4×100 m medley relay; 2010 Dubai gold: 50 m breaststroke, 100 m breaststroke, and 200 m breaststroke, silver: 4×100 m medley relay |
| José Carlos Souza | BRA |
SWI | 1992 | 1–0–1 1993 Palma de Mallorca gold: 4×100 m freestyle relay, bronze: 4×200 m freestyle relay |
| Marc Spackman | GBR |
SWI | 2000 | 0–2–0 1999 Hong Kong silver: 4x200 metre freestyle relay (swam in heats only); 2000 Athina silver: 4×200 m freestyle relay |
| Torsten Spanneberg | GER |
SWI | 2000—2004 | 0–1–0 1995 Rio de Janeiro silver: 4×200 m freestyle relay |
| Christian Sprenger | AUS |
SWI | 2008—2012 | 1–0–0 2008 Manchester gold: 4×100 m medley relay (swam in heats only) |
| Nicholas Sprenger | AUS |
SWI | 2004—2008 | 1–1–0 2004 Indianapolis silver: 4×200 m freestyle relay; 2008 Manchester gold: 4×200 m freestyle relay |
| Matt Stanley | NZL |
SWI | 2010—2016 | 0–0–1 2012 İstanbul bronze: 400 m freestyle |
| Benjamin Stasiulis | FRA |
SWI | 2008—2012 | 0–1–1 2014 Doha silver: 4×50 m medley relay, bronze: 4×100 m medley relay (swam in heats only) |
| Marrit Steenbergen | NED |
SWI | 2016 | 0–0–1 2016 Windsor bronze: 4×100 m freestyle relay |
| Kelly Stefanyshyn | CAN |
SWI | 2000 | 0–1–1 1999 Hong Kong silver: 100 m backstroke, bronze: 200 m backstroke |
| Britta Steffen | GER |
SWI | 2000—2012 | 1–1–0 2000 Athina silver: 4×100 m freestyle relay; 2012 İstanbul gold: 100 m freestyle |
| Boris Steimetz | FRA |
SWI | 2008 | 1–0–0 2010 Dubai gold: 4×100 m freestyle relay (swam in heats only) |
| Craig Stevens | AUS |
SWI | 2004—2008 | 1–0–0 2002 Moskva gold: 4×200 m freestyle relay (swam in heats only) |
| Mark Stevens | GBR |
SWI | 1996—2000 | 0–0–1 1997 Göteborg bronze: 4×200 m freestyle relay |
| Staciana Stitts | USA |
SWI | 2000 | 0–1–0 2002 Moskva silver: 4×100 m medley relay (swam in heats only) |
| Velimir Stjepanović |  SRB |
SWI | 2010—2016 | 0–0–1 2014 Doha bronze: 400 m freestyle |
| Clementine Stoney | AUS |
SWI | 2000 | 0–1–1 2000 Athina silver: 200 m backstroke; 2002 Moskva bronze: 4×200 m freestyle relay (swam in heats only) |
| Marko Strahija | CRO |
SWI | 1996—2008 | 0–1–0 2002 Moskva silver: 200 m backstroke |
| Jérémy Stravius | FRA |
SWI | 2012—2016 | 0–2–1 2010 Dubai bronze: 4×200 m freestyle relay; 2016 Windsor silver: 50 m backstroke and 4×100 m freestyle relay |
| Petter Stymne | SWE |
SWI | 2008 | 0–0–1 2008 Manchester bronze: 4×100 m freestyle relay |
| Albert Subirats | VEN |
SWI | 2004—2016 | 1–2–0 2006 Shanghai silver: 100 m butterfly; 2010 Dubai gold: 50 m butterfly, silver: 100 m butterfly |
| Aleksandr Sukhorukov | RUS |
SWI | 2008—2016 | 2–1–0 2008 Manchester gold: 4×100 m medley relay; 2010 Dubai gold: 4×200 m freestyle relay, silver: 4×100 m freestyle relay (swam in heats only) |
| Eamon Sullivan | AUS |
SWI | 2004—2012 | 1–0–0 2008 Manchester gold: 4×100 m medley relay (swam in heats only) |
| Sun Dan | CHN |
SWI | 2000 | 0–0–1 2000 Athina bronze: 4×200 m freestyle relay |
| Sun Xiaolei | CHN |
SWI | 2008 | 0–1–0 2010 Dubai silver: 50 m backstroke |
| Sun Yang | CHN |
SWI | 2008—2016 | 0–0–1 2018 Hangzhou bronze: 4×200 m freestyle relay |
| Sun Ye | CHN |
SWI | 2008—2012 | 1–1–0 2008 Manchester gold: 4×100 m medley relay (swam in heats only); 2010 Dubai silver: 200 m breaststroke |
| Chloe Sutton | USA |
OWS/SWI | 2008—2012 | 0–1–1 2012 İstanbul silver: 400 m freestyle, bronze: 800 m freestyle |
| Malin Svahnström | SWE |
SWI | 2000—2004 | 2–1–1 1997 Göteborg silver: 4×200 m freestyle relay (swam in heats only), bronze: 4×100 m freestyle relay; 1999 Hong Kong gold: 4×200 m freestyle relay; 2000 Athina gold: 4×100 m freestyle relay (swam in heats only) |
| Therese Svendsen | SWE |
SWI | 2012 | 0–0–1 2004 Indianapolis bronze: 4×100 m medley relay |
| Ellenor Svensson | SWE |
SWI | 1992 | 0–1–1 1993 Palma de Mallorca silver: 4×100 m freestyle relay; 1995 Rio de Janeiro bronze: 4×100 m freestyle relay (swam in heats only) |
| Květoslav Svoboda | CZE |
SWI | 2000—2008 | 0–1–0 2002 Moskva silver: 400 m freestyle |
| Corney Swanepoel | NZL |
SWI | 2004—2008 | 0–0–1 2008 Manchester bronze: 4×100 m medley relay |
| Nancy Sweetnam | CAN |
SWI | 1992—1996 | 0–1–0 1995 Rio de Janeiro silver: 400 m medley |
| Denys Sylantiev | UKR |
SWI | 1996—2008 | 0–1–2 1997 Göteborg silver: 200 m butterfly; 1999 Hong Kong bronze: 200 m butterfly; 2000 Athina bronze: 100 m butterfly |
| Béla Szabados | HUN |
SWI | 1992—2000 | 1–0–0 2000 Athina gold: 200 m freestyle |
| Rafał Szukała | POL |
SWI | 1988—1996 | 0–0–1 1993 Palma de Mallorca bronze: 100 m butterfly |
| Gregor Tait | GBR |
SWI | 2004—2008 | 0–0–1 2000 Athina bronze: 4×100 m medley relay (swam in heats only) |
| Masami Tanaka | JPN |
SWI | 1996—2004 | 4–0–0 1999 Hong Kong gold: 50 m breaststroke, 100 m breaststroke, 200 m breaststroke, and 4×100 m medley relay |
| Liam Tancock | GBR |
SWI | 2008—2012 | 1–2–1 2008 Manchester gold: 100 m backstroke, silver: 50 m backstroke and 200 m medley, bronze: 100 m medley |
| Brad Tandy | RSA |
SWI | 2016 | 0–0–1 2018 Hangzhou bronze: 50 m freestyle |
| Tang Jingzhi | CHN |
SWI | 2008 | 1–1–1 2002 Moskva gold: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay; 2006 Shanghai silver: 4×200 m freestyle relay |
| Tang Yi | CHN |
SWI | 2008—2016 | 3–0–3 2008 Manchester gold: 4×100 m medley relay; 2010 Dubai gold: 4×200 m freestyle relay and 4×100 m medley relay, bronze: 4×100 m freestyle relay; 2012 İstanbul bronze: 100 m freestyle and 4×200 m freestyle relay |
| Grigory Tarasevich | RUS |
SWI | 2016 | 2–0–0 2016 Windsor gold: 4×50 m medley relay (swam in heats only) and 4×100 m medley relay (swam in heats only) |
| Alessandro Terrin | ITA |
SWI | 2008 | 0–1–0 2006 Shanghai silver: 50 m breaststroke |
| Nick Thoman | USA |
SWI | 2012 | 1–0–0 2010 Dubai gold: 4×100 m medley relay |
| Petria Thomas | AUS |
SWI | 1996—2004 | 1–6–2 1993 Palma de Mallorca silver: 4×100 m medley relay, bronze: 200 m butterfly; 1999 Hong Kong silver: 200 m butterfly and 4×100 m medley relay; 2002 Moskva gold: 200 m butterfly, silver: 50 m butterfly, 100 m butterfly, and 4×100 m freestyle relay, bronze: 4×200 m freestyle relay |
| Chris Thompson | USA |
SWI | 2000 | 0–1–2 2002 Moskva silver: 1500 m freestyle, bronze: 4×200 m freestyle relay (swam in heats only); 2006 Shanghai bronze: 4×200 m freestyle relay (swam in heats only) |
| Jenny Thompson | USA |
SWI | 1992—2004 | 9–6–2 1997 Göteborg gold: 100 m freestyle and 100 m butterfly, silver: 50 m freestyle and 4×100 m medley relay; 1999 Hong Kong gold: 100 m freestyle, 50 m butterfly, and 100 m butterfly silver: 50 m freestyle; 2000 Athina gold: 50 m butterfly and 100 m butterfly, silver: 100 m freestyle and 4×200 m freestyle relay, bronze: 4×100 m medley relay; 2004 Indianapolis gold: 50 m butterfly and 4×100 m freestyle relay, silver: 4×100 m medley relay, bronze: 100 m butterfly |
| Markus Thormeyer | CAN |
SWI | 2016 | 0–0–1 2016 Windsor bronze: 4×50 m freestyle mixed relay |
| Ian Thorpe | AUS |
AUS/SWI | 2000—2004 | 3–1–0 1999 Hong Kong gold: 200 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay (swam in heats only), silver: 400 m freestyle |
| Brianna Throssell | AUS |
SWI | 2014—2016 | 0–2–1 2012 İstanbul silver: 4×100 m freestyle relay and 4×100 m medley relay (swam in heats only); 2014 Doha bronze: 4×200 m freestyle relay |
| Aleksandr Tkachev |  KGZ |
SWI | 2000 | 0–0–1 1995 Rio de Janeiro bronze: 4×100 m medley relay |
| Kenneth To | AUS |
SWI | 2010 | 0–1–2 2012 İstanbul silver: 100 m medley, bronze: 4×100 m freestyle relay and 4×100 m medley relay |
| Nick Tongue | NZL |
SWI | 1996 | 1–0–0 1995 Rio de Janeiro gold: 4×100 m medley relay (swam in heats only) |
| Darian Townsend | RSA |
SWI | 2004—2012 | 2–2–1 2014 Doha gold: 4×200 m freestyle relay (swam in heats only) and 4×50 m freestyle mixed relay (swam in heats only), silver: 4×50 m freestyle relay (swam in heats only) and 4×100 m medley relay (swam in heats only), bronze: 4×100 m freestyle relay (swam in heats only) (competed for the United States) |
| Christian Tröger | GER |
SWI | 1992—2000 | 1–1–1 1993 Palma de Mallorca silver: 4×200 m freestyle relay; 1997 Göteborg gold: 4×100 m freestyle relay; 2000 Athina bronze: 4×100 m freestyle relay |
| Yauhen Tsurkin | BLR |
SWI | 2012—2016 | 0–0–1 2016 Windsor bronze: 4×50 m medley relay |
| Scott Tucker | USA |
SWI | 1996—2000 | 3–1–2 2000 Athina gold: 4×200 m freestyle relay and 4×100 m medley relay, silver: 4×100 m freestyle relay, bronze: 100 m freestyle; 2002 Moskva gold: 4×100 m freestyle relay, bronze: 4×200 m freestyle relay |
| Chloé Tutton | GBR |
SWI | 2016 | 0–0–1 2016 Windsor bronze: 200 m breaststroke |
| Miki Uchida | JPN |
SWI | 2012—2016 | 0–0–1 2014 Doha bronze: 4×100 m medley relay |
| Irina Ufimtseva | RUS |
SWI | 2000 | 0–1–0 2002 Moscow silver: 800 m freestyle |
| Aleksandra Urbańczyk-Olejarczyk | POL |
SWI | 2016 | 0–0–1 2012 İstanbul bronze: 50 m backstroke |
| Scott Usher | USA |
SWI | 2004 | 0–1–0 2008 Manchester silver: 4×100 m medley relay |
| Darya Ustinova | RUS |
SWI | 2016 | 0–0–1 2016 Windsor bronze: 4×200 m freestyle relay |
| Jolijn van Valkengoed | NED |
SWI | 2008 | 1–0–0 2008 Manchester gold: 4×100 m freestyle relay (swam in heats only) |
| Rob Van der Zant | AUS |
SWI | 2000 | 1–1–0 1995 Rio de Janeiro silver: 4×100 m medley relay; 2002 Moskva gold: 4×200 m freestyle relay (swam in heats only) |
| Wilma van Hofwegen-van Rijn | NED |
SWI | 1996—2000 | 0–1–0 1999 Hong Kong silver: 4×100 m freestyle relay (competed as Wilma van Hofwegen) |
| Jacinta Van Lint | AUS |
SWI | 2000 | 0–0–1 1999 Hong Kong bronze: 4×200 m freestyle relay |
| Peter Vanderkaay | USA |
SWI | 2004—2012 | 0–1–0 2010 Dubai silver: 4×200 m freestyle relay |
| Arianna Vanderpool-Wallace |  BAH |
SWI | 2008—2016 | 0–0–1 2010 Dubai bronze: 50 m freestyle |
| Mark Veens | NED |
SWI | 1996—2004 | 0–1–1 1999 Hong Kong silver: 4×100 m freestyle relay, bronze: 50 m freestyle |
| Marleen Veldhuis | NED |
SWI | 2004—2012 | 6–1–2 2004 Indianapolis gold: 50 m freestyle, bronze: 100 m freestyle; 2006 Shanghai gold: 4×100 m freestyle relay, silver: 100 m freestyle, bronze: 50 m freestyle; 2008 Manchester gold: 50 m freestyle, 100 m freestyle, 4×100 m freestyle relay, and 4×200 m freestyle relay |
| Bas van Velthoven | NED |
SWI | 2008 | 0–1–0 2008 Manchester silver: 4×100 m freestyle relay |
| Erik Vendt | USA |
SWI | 2000—2008 | 1–0–1 2002 Moskva gold: 4×100 m freestyle relay (swam in heats only), bronze: 4×200 m freestyle relay |
| Carlos Ventosa | ESP |
SWI | 1992 | 0–1–0 1993 Palma de Mallorca silver: 4×100 m medley relay |
| Oksana Verevka | RUS |
SWI | 2000—2004 | 0–0–2 1999 Hong Kong bronze: 100 m medley; 2002 Moskva bronze: 200 m medley |
| Esmee Vermeulen | NED |
SWI | 2016 | 3–0–0 2014 Doha gold: 4×50 m freestyle relay (swam in heats only), 4×100 m freestyle relay (swam in heats only), and 4×200 m freestyle relay (swam in heats only) |
| Dávid Verrasztó | HUN |
SWI | 2012—2016 | 0–0–3 2012 İstanbul bronze: 400 m medley; 2014 Doha bronze: 400 m medley; 2016 Windsor bronze: 400 m medley |
| Mark Versfeld | CAN |
SWI | 2000 | 0–1–0 1999 Hong Kong silver: 200 m backstroke |
| Britta Vestergaard | DEN |
SWI | 1992—1996 | 0–0–1 1995 Rio de Janeiro bronze: 400 m medley |
| Erika Villaécija | ESP |
OWS/SWI | 2004—2016 | 1–0–1 2008 Manchester bronze: 800 m freestyle; 2010 Dubai gold: 800 m freestyle |
| Sandra Völker | GER |
SWI | 1992—2004 | 3–6–2 1995 Rio de Janeiro bronze: 50 m freestyle and 100 m freestyle; 1997 Göteborg gold: 50 m freestyle, silver: 100 m freestyle and 4×100 m freestyle relay; 1999 Hong Kong gold: 50 m backstroke, silver: 100 m freestyle; 2000 Athina gold: 100 m backstroke, silver: 50 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay |
| Dana Vollmer | USA |
SWI | 2004—2016 | 2–3–2 2004 Indianapolis gold: 4×100 m freestyle relay (swam in heats only) and 4×200 m freestyle relay, bronze: 200 m freestyle; 2008 Manchester silver: 4×100 m medley relay; 2010 Dubai silver: 4×100 m freestyle relay and 4×100 m medley relay, bronze: 100 m butterfly |
| Oleksandr Volynets | UKR |
SWI | 2000—2004 | 0–0–2 2002 Moskva bronze: 50 m freestyle; 2006 Shanghai bronze: 50 m freestyle |
| Shannon Vreeland | USA |
SWI | 2012 | 2–1–0 2012 İstanbul gold: 4×100 m freestyle relay (swam in heats only) and 4×200 m freestyle relay; 2014 Doha silver: 4×100 m freestyle relay |
| Arkady Vyachanin | RUS |
SWI | 2004—2012 | 0–0–2 2004 Indianapolis bronze: 200 m backstroke and 4×100 m medley relay |
| Maaike de Waard | NED |
SWI | 2014 | 0–5–2 2016 Windsor silver: 4×50 m freestyle relay and 4×50 m freestyle mixed relay, bronze: 4×100 m freestyle relay; 2018 Hangzhou silver: 4×50 m freestyle relay (swam in heats only), 4×100 m freestyle relay, and 4×50 m medley mixed relay (swam in heats only), bronze: 4×50 m medley relay |
| Allison Wagner | USA |
SWI | 1996 | 1–1–0 1993 Palma de Mallorca gold: 200 m medley, silver: 400 m medley |
| Chris Walker-Hebborn | GBR |
SWI | 2012—2016 | 0–1–0 2014 Doha silver: 4×50 m medley mixed relay |
| Neil Walker | USA |
SWI | 2000—2004 | 6–2–0 2000 Athina gold: 50 m backstroke, 100 m backstroke, 100 m medley, 4×200 m freestyle relay, and 4×100 m medley relay, silver: 50 m butterfly and 4×100 m freestyle relay; 2004 Indianapolis gold: 4×100 m freestyle relay |
| Johan Wallberg | SWE |
SWI | 1996—2000 | 1–1–1 1999 Hong Kong silver: 4×100 m medley relay (swam in heats only), bronze: 4×100 m freestyle relay (swam in heats only); 2000 Athens gold: 4×100 m freestyle relay (swam in heats only) |
| Christer Wallin | SWE |
SWI | 1988—1996 | 1–0–0 1993 Palma de Mallorca gold: 4×200 m freestyle relay |
| Dave Walters | USA |
SWI | 2008 | 0–1–0 2010 Dubai silver: 4×200 m freestyle relay (swam in heats only) |
| Lotta Wänberg | SWE |
SWI | 2004 | 2–0–0 1999 Hong Kong gold: 4×200 m freestyle relay (swam in heats only); 2002 Moskva gold: 4×100 m freestyle relay (swam in heats only) |
| Wang Luna | CHN |
SWI | 1996—2000 | 1–0–0 1997 Göteborg gold: 4×200 m freestyle relay |
| Wang Shijia | CHN |
SWI | 2012—2016 | 1–0–1 2010 Dubai gold: 4×200 m freestyle relay (swam in heats only), bronze: 4×100 m freestyle relay (swam in heats only) |
| Wang Shun | CHN |
SWI | 2012—2016 | 2–0–1 2016 Windsor gold: 200 m medley; 2018 Hangzhou gold: 200 m medley, bronze: 4×200 m freestyle relay |
| Wang Yiwu | CHN |
SWI | 1996 | 1–0–0 1995 Rio de Janeiro gold: 200 m breaststroke |
| Mark Warnecke | GER FRG |
SWI | 1988—2000 | 2–0–0 1995 Rio de Janeiro gold: 100 m breaststroke (competed for Germany); 2000 Athina gold: 50 m breaststroke (competed for Germany) |
| Kanako Watanabe | JPN |
SWI | 2012—2016 | 1–0–2 2012 İstanbul bronze: 200 m breaststroke; 2014 Doha gold: 200 m breaststroke, bronze: 4×100 m medley relay |
| Josh Watson | AUS |
SWI | 2000—2004 | 2–0–0 1999 Hong Kong gold: 200 m backstroke and 4×100 m medley relay (swam in heats only) |
| Garrett Weber-Gale | USA |
SWI | 2008 | 3–1–0 2010 Dubai gold: 4×100 m medley relay, silver: 4×200 m freestyle relay; 2012 İstanbul gold: 4×100 m freestyle relay (swam in heats only) and 4×200 m freestyle relay (swam in heats only) |
| Amanda Weir | USA |
SWI | 2004—2016 | 3–7–1 2004 Indianapolis gold: 4×100 m freestyle relay, silver: 4×100 m medley relay (swam in heats only); 2006 Shanghai silver: 4×100 m medley relay (swam in heats only), bronze: 4×200 m freestyle relay; 2010 Dubai silver: 4×100 m freestyle relay (swam in heats only) and 4×100 m medley relay (swam in heats only); 2014 Doha silver: 4×50 m freestyle relay (swam in heats only) and 4×100 m freestyle relay (swam in heats only), silver: 4×50 m medley relay (swam in heats only); 2016 Windsor gold: 4×100 m freestyle relay and 4×100 m medley relay (swam in heats only) |
| Abbey Weitzeil | USA |
SWI | 2016 | 1–2–0 2014 Doha gold: 4×50 m freestyle mixed relay, silver: 4×50 m freestyle relay and 4×100 m freestyle relay |
| Matt Welsh | AUS |
SWI | 2000—2004 | 7–5–2 1999 Hong Kong gold: 4×100 m medley relay, silver: 100 m backstroke, bronze: 50 m backstroke; 2002 Moskva gold: 50 m backstroke and 100 m backstroke; 2004 Indianapolis silver: 50 m backstroke, 100 m backstroke, 200 m backstroke, and 4×100 m medley relay; 2006 Shanghai gold: 100 m backstroke; 2008 Manchester gold: 4×100 m medley relay; 2006 Shanghai gold: 50 m backstroke and 50 m butterfly, bronze: 200 m backstroke |
| Tom Werner | SWE |
SWI | 1984—1992 | 1–0–0 1993 Palma de Mallorca gold: 4×200 m freestyle relay |
| Aschwin Wildeboer | ESP |
SWI | 2004—2012 | 0–1–1 2010 Dubai silver: 50 m backstroke, bronze: 100 m backstroke |
| Tom Wilkens | USA |
SWI | 2000 | 1–0–1 2002 Moskva gold: 400 m medley, bronze: 200 m medley |
| Neil Willey | GBR |
SWI | 1996—2000 | 0–1–2 1995 Rio de Janeiro silver: 100 m backstroke; 1999 Hong Kong bronze: 4×100 m medley relay; 2000 Athina bronze: 4×100 m medley relay |
| Michelle Williams | CAN |
SWI | 2016 | 1–0–1 2016 Windsor gold: 4×50 m freestyle relay, bronze: 4×50 m freestyle mixed relay |
| Andrew Willis | GBR |
SWI | 2012—2016 | 0–1–0 2016 Windsor silver: 200 m breaststroke |
| Ian Wilson | GBR |
SWI | 1992 | 0–1–0 1995 Rio de Janeiro silver: 1500 m freestyle |
| Madi Wilson | AUS |
SWI | 2010—2016 | 0–1–1 2014 Doha silver: 4×100 m medley relay, bronze: 4×200 m freestyle relay |
| Anna Windsor | AUS |
SWI | 1996—2000 | 0–2–1 1993 Palma de Mallorca silver: 4×200 m freestyle relay; 1995 Rio de Janeiro silver: 4×100 m freestyle relay, bronze: 4×200 m freestyle relay |
| Jonathan Winter | NZL |
SWI | 1996 | 1–0–0 1995 Rio de Janeiro gold: 4×100 m medley relay |
| Kelsey Wog | CAN |
SWI | 2014 | 0–1–0 2016 Windsor silver: 200 m breaststroke |
| Wojciech Wojdak | POL |
SWI | 2014—2016 | 0–0–1 2016 Windsor bronze: 1500 m freestyle |
| Artur Wojdat | POL |
SWI | 1988—1992 | 0–1–0 1993 Palma de Mallorca silver: 200 m freestyle |
| Kelsi Worrell | USA |
SWI | 2016 | 11–4–1 2016 Windsor gold: 4×100 m freestyle relay, 4×50 m medley relay, 4×100 m medley relay, and 4×50 m medley mixed relay, silver: 50 m butterfly, 100 m butterfly, and 200 m butterfly; 2018 Hangzhou gold: 100 m butterfly, 4×50 m freestyle relay, 4×100 m freestyle relay, 4×50 m medley relay, 4×100 m medley relay, 4×50 m freestyle mixed relay, and 4×50 m medley mixed relay, silver: 200 m butterfly, bronze: 50 m butterfly (competed as Kelsi Dahlia) |
| Marcel Wouda | NED |
SWI | 1992—2000 | 1–2–1 1999 Hong Kong gold: 4×200 m freestyle relay, silver: 400 m medley and 4×100 m freestyle relay, bronze: 200 m medley |
| Wu Peng | CHN |
SWI | 2004—2012 | 1–0–1 2004 Indianapolis bronze: 200 m butterfly; 2006 Shanghai gold: 200 m butterfly |
| Eric Wunderlich | USA |
SWI | 1996 | 0–0–1 1993 Palma de Mallorca bronze: 200 m breaststroke |
| Xie Xufeng | CHN |
SWI | 2000 | 0–1–0 1997 Göteborg silver: 400 m medley |
| Xu Jiayu | CHN |
SWI | 2012—2016 | 0–1–2 2016 Windsor bronze: 100 m backstroke; 2018 Hangzhou silver: 100 m backstroke, bronze: 4×200 m freestyle relay |
| Xu Yanwei | CHN |
SWI | 2004—2008 | 1–1–5 2002 Moskva gold: 4×200 m freestyle relay, bronze: 100 m freestyle, 200 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay; 2006 Shanghai silver: 4×200 m freestyle relay, bronze: 4×100 m medley relay |
| Sachiko Yamada | JPN |
SWI | 2000—2004 | 1–0–1 2004 Indianapolis gold: 800 m freestyle, bronze: 400 m freestyle |
| Takashi Yamamoto | JPN |
SWI | 1996—2004 | 0–1–0 1999 Hong Kong silver: 200 m butterfly |
| Yang Junxuan | CHN |
SWI | 2018 | 1–1–1 2018 Hangzhou gold: 4×200 m freestyle relay, silver: 4×100 m medley relay (swam in heats only), bronze: 4×100 m freestyle relay |
| Yang Yu | CHN |
SWI | 2000—2008 | 3–3–3 2000 Athina gold: 200 m freestyle, bronze: 4×200 m freestyle relay; 2002 Moskva gold: 4×200 m freestyle relay, silver: 200 m freestyle and 200 m butterfly, bronze: 4×100 m freestyle relay; 2006 Shanghai gold: 200 m freestyle, silver: 4×200 m freestyle relay, bronze: 200 m butterfly |
| Ye Shiwen | CHN |
SWI | 2012—2016 | 1–3–0 2010 Dubai silver: 200 m medley and 400 m medley; 2012 İstanbul gold: 200 m medley, silver: 400 m medley |
| Yuliya Yefimova | RUS |
SWI | 2008—2016 | 0–0–1 2008 Manchester bronze: 200 m breaststroke |
| Aleksey Yegorov | KAZRUS |
SWI | 1996—2000 | 0–0–1 2000 Athina bronze: 4×200 m freestyle relay (swam in heats only) (competed for Russia) |
| Roman Yegorov | RUS |
SWI | 1996 | 0–1–0 1997 Göteborg silver: 4×100 m medley relay |
| Gerhard Zandberg | RSA |
SWI | 2004—2008 | 0–0–1 2008 Manchester bronze: 50 m freestyle |
| Mitja Zastrow | NED |
SWI | 2004—2008 | 0–1–1 2000 Athina bronze: 4×100 m freestyle relay (competed for Germany); 2008 Manchester silver: 4×100 m freestyle relay |
| Steffen Zesner | GDRGER |
SWI | 1988—1996 | 0–1–0 1995 Rio de Janeiro silver: 4×200 m freestyle relay (competed for Germany) |
| Daryna Zevina | UKR |
SWI | 2010—2016 | 1–1–1 2012 İstanbul gold: 200 m backstroke; 2014 Doha bronze: 100 m backstroke; 2016 Windsor silver: 200 m backstroke |
| Zhan Shu | CHN |
SWI | 2000—2004 | 0–0–1 2002 Moskva bronze: 4×100 m medley relay |
| Zhang Lin | CHN |
SWI | 2004—2008 | 0–0–1 2006 Shanghai bronze: 1500 m freestyle |
| Zhang Yufei | CHN |
SWI | 2014—2016 | 0–1–2 2014 Doha bronze: 400 m freestyle; 2016 Windsor bronze: 200 m butterfly; 2018 Hangzhou silver: 4×100 m medley relay |
| Zhang Yuhan | CHN |
SWI | 2016 | 1–0–0 2018 Hangzhou gold: 4×200 m freestyle relay |
| Zhao Jin | CHN |
SWI | 2012 | 2–0–1 2008 Manchester gold: 4×100 m medley relay; 2010 Dubai gold: 4×100 m medley relay, bronze: 50 m breaststroke |
| Zhao Jing | CHN |
SWI | 2008—2012 | 4–1–1 2008 Manchester gold: 4×100 m medley relay; 2010 Dubai gold: 50 m backstroke and 4×100 m medley relay, silver: 100 m backstroke; 2012 İstanbul gold: 50 m backstroke, bronze: 100 m medley |
| Zhou Yafei | CHN |
SWI | 2004—2008 | 0–0–1 2006 Shanghai bronze: 4×100 m medley relay |
| Zhu Menghui | CHN |
SWI | 2016 | 0–1–1 2018 Hangzhou silver: 4×100 m medley relay bronze: 4×100 m freestyle relay |
| Zhu Qianwei | CHN |
SWI | 2008—2012 | 1–0–1 2010 Dubai gold: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay |
| Zhu Yi | CHN |
SWI | 2000 | 0–1–0 2000 Athina silver: 100 m breaststroke |
| Zhu Yingwen | CHN |
SWI | 2004—2008 | 1–0–2 2002 Moskva gold: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay and 4×100 metre medley relay (swam in heats only) |
| Kate Ziegler | USA |
SWI | 2008—2012 | 1–2–2 2004 Indianapolis silver: 800 m freestyle; 2006 Shanghai gold: 400 m freestyle, silver: 800 m freestyle, bronze: 4×200 m freestyle relay; 2010 Dubai bronze: 800 m freestyle |
| Mark van der Zijden | NED |
SWI | 1996—2000 | 1–0–0 1999 Hong Kong gold: 4×200 m freestyle relay (swam in heats only) |
| Kateryna Zubkova | UKR |
SWI | 2004—2008 | 0–1–1 2008 Manchester silver: 100 m backstroke, bronze: 50 m backstroke |
| Martijn Zuijdweg | NED |
SWI | 2000 | 1–0–0 1999 Hong Kong gold: 4×200 m freestyle relay |