Host cities:
| Athlete | Nation(s) | Sport(s) | Role(s) | Era | Notes |
|---|---|---|---|---|---|
| Brooke Abel | USA |
SWA | Olympics | 2008 | 0–0–1 2007 Melbourne SYN bronze: team Free Routine Combination |
| Jennifer Abel | CAN |
DIV | Olympics | 2008—2020 | 0–6–4 2011 Shanghai DIV silver: synchronized springboard, bronze: 3 m springboard; 2013 Barcelona DIV bronze: synchronized springboard; 2015 Kazan DIV silver: synchronized springboard and synchronized springboard (mixed); 2017 Budapest DIV silver: synchronized springboard, bronze: 3 m springboard and synchronized springboard (mixed); 2019 Gwangju DIV silver: synchronized springboard and synchronized springboard (mixed) |
| Viktor Aboimov | KAZ URS |
SWM | Olympics | 1972 | 0–1–1 1973 Belgrade SWI silver: 4×100 m freestyle relay; 1975 Cali SWI bronze: 4×200 m freestyle relay |
| Matt Abood | AUS |
SWM | Olympics | 2016 | 1–0–0 2011 Shanghai SWI gold: 4×100 m freestyle relay |
| Gary Abraham | GBR |
SWM | Olympics | 1976—1980 | 0–0–1 1978 West Berlin SWI bronze: 4×100 m medley relay |
| Inna Abramova | RUS URS |
SWM | Olympics | 1988 | 0–0–1 1982 Guayaquil SWI bronze: 4×100 m medley relay (swam in heats only) |
| Irina Abysova | RUS |
TRI | Olympics | 2008—2012 | 0–1–0 2001 Fukuoka SWI silver: 10 km open water |
| Javier Acevedo | CAN |
SWM | Olympics / YOG | 2014—2024 | 0–0–2 2017 Budapest SWI bronze: 4×100 m freestyle mixed relay and 4×100 m medley mixed relay (swam in heats only) |
| Yumi Adachi | JPN |
SWA | Olympics | 2012 | 0–0–2 2019 Gwangju SYN bronze: duet Technical (mixed) and duet Free (mixed) |
| Cammile Adams | USA |
SWM | Olympics | 2012—2016 | 0–1–0 2015 Kazan SWI silver: 200 m butterfly |
| Beatrice Adelizzi | ITA |
SWA | Olympics | 2008 | 0–0–1 2009 Roma SYN bronze: solo Free |
| Becky Adlington | GBR |
SWM | Olympics | 2008—2012 | 1–1–2 2009 Roma SWI bronze: 400 m freestyle and 4×200 m freestyle relay; 2011 Shanghai SWI gold: 800 m freestyle, silver: 400 m freestyle |
| Nathan Adrian | USA |
SWM | Olympics | 2008—2016 | 10–4–2 2009 Roma SWI gold: 4×100 m freestyle relay and 4×100 m medley relay (swam in heats only); 2011 Shanghai SWI gold: 4×100 m medley relay, bronze: 4×100 m freestyle relay; 2013 Barcelona SWI silver: 4×100 m freestyle relay, bronze: 100 m freestyle; 2015 Kazan SWI gold: 4×100 m medley relay and 4×100 m freestyle mixed relay, silver: 50 m freestyle; 2017 Budapest SWI gold: 4×100 m freestyle relay, 4×100 m medley relay, and 4×100 m freestyle mixed relay, silver: 100 m freestyle; 2019 Gwangju SWI gold: 4×100 m freestyle relay and 4×100 m freestyle mixed relay (swam in heats only), silver: 4×100 m medley relay |
| Christos Afroudakis | GRE |
WPO | Olympics | 2004—2016 | 0–0–2 2005 Montréal WAP bronze; 2015 Kazan WAP bronze |
| Georgios Afroudakis | GRE |
WPO | Olympics | 1996—2012 | 0–0–1 2005 Montréal WAP bronze |
| Yannick Agnel | FRA |
SWM | Olympics | 2012—2016 | 2–1–0 2011 Shanghai SWI silver: 4×200 m freestyle relay; 2013 Barcelona SWI gold: 200 m freestyle and 4×100 m freestyle relay |
| Iñaki Aguilar | ESP |
WPO | Olympics | 2008—2016 | 0–1–1 2007 Melbourne WAP bronze; 2009 Roma WAP silver |
| Jeinkler Aguirre | CUB |
DIV | Olympics | 2008—2012 | 0–0–1 2009 Roma DIV bronze: synchronized platform |
| Crissy Ahmann-Leighton | USA |
SWM | Olympics | 1992 | 1–0–0 1991 Perth SWI gold: 4×100 m medley relay |
| Ai Yanhan | CHN |
SWM | Olympics | 2016—2020 | 0–1–0 2017 Budapest SWI silver: 4×200 m freestyle relay |
| Matteo Aicardi | ITA |
WPO | Olympics | 2012—2020 | 2–0–0 2011 Shanghai WAP gold; 2019 Gwangju WAP gold |
| Rosaria Aiello | ITA |
WPO | Olympics | 2016 | 0–0–1 2015 Kazan WAP bronze |
| Aleksey Akatyev | RUS |
SWM | Olympics | 1996 | 2–1–1 1994 Roma SWI bronze: 25 km open water; 1998 Perth SWI gold: 5 km open water and 25 km open water, silver: 5 km open water team |
| Anatoly Akimov | RUS URS |
WPO | Olympics | 1972 | 0–1–0 1973 Belgrade WAP silver |
| Vladimir Akimov | RUS URS |
WPO | Olympics | 1980 | 1–0–0 1982 Guayaquil WAP gold |
| Irina Aksyonova | RUS URS |
SWM | Olympics | 1980 | 0–0–1 1978 West Berlin SWI bronze: 4×100 m medley relay |
| Alberto Alberani Samaritani | ITA |
WPO | Olympics | 1968—1980 | 1–0–1 1975 Cali WAP bronze; 1978 West Berlin WAP gold |
| María José Alcalá | MEX |
DIV | Olympics / Administrator | 1988—2021 | 0–0–1 1994 Roma DIV bronze: platform |
| Vadim Alekseyev | ISR KAZ URS |
SWM | Olympics | 1988—1996 | 0–1–0 1991 Perth SWI silver: 4×100 m medley relay (swam in heats only) (competed for the Soviet Union) |
| Milan Aleksić | SRB |
WPO | Olympics | 2012—2020 | 2–1–1 2009 Roma WAP gold; 2011 Shanghai WAP silver; 2015 Kazan WAP gold; 2017 Budapest WAP bronze |
| Lisa Alexander | CAN |
SWA | Olympics | 1996 | 0–3–3 1991 Perth SYN silver: team, bronze: duet; 1994 Roma SYN silver: duet and team, bronze: solo; 2001 Fukuoka SYN bronze: team |
| Vladimir Aleynik | BLR URS |
DIV | Olympics | 1976—1980 | 0–1–1 1978 West Berlin DIV bronze: platform; 1982 Guayaquil DIV silver: platform |
| Carmela Allucci | ITA |
WPO | Olympics / Closing Flagbearer | 2004 | 2–1–0 1998 Perth WAP gold; 2001 Fukuoka WAP gold; 2003 Barcelona WAP silver |
| Franziska van Almsick | GER |
SWM | Olympics | 1992—2004 | 2–2–2 1994 Roma SWI gold: 200 m freestyle, silver: 4×200 m freestyle relay, bronze: 100 m freestyle and 4×100 m freestyle relay; 1998 Perth SWI gold: 4×200 m freestyle relay, silver: 4×100 m freestyle relay |
| Therèse Alshammar | SWE |
SWM | Olympics / Opening Flagbearer | 1996—2016 | 2–5–1 2001 Fukuoka SWI silver: 50 m freestyle and 50 m butterfly, bronze: 50 m butterfly; 2007 Melbourne SWI gold: 50 m butterfly, silver: 50 m freestyle; 2009 Roma SWI silver: 50 m freestyle; 2011 Shanghai SWI gold: 50 m freestyle, silver: 50 m butterfly |
| Yevgeny Alyoshin | RUS |
SWM | Olympics | 2004 | 0–1–0 2003 Barcelona SWI silver: 4×100 m medley relay (swam in heats only) |
| Vladislav Aminov | RUS |
SWM | Olympics | 2000 | 0–0–1 2001 Fukuoka SWI bronze: 4×100 m medley relay |
| Gail Amundrud | CAN |
SWM | Olympics | 1976 | 0–0–2 1975 Cali SWI bronze: 4×100 m freestyle relay; 1978 West Berlin SWI bronze: 4×100 m freestyle relay |
| Lolita Ananasova | UKR |
SWA | Olympics | 2016 | 0–0–4 2013 Barcelona SYN bronze: team Technical, team Free, and team Free Routine Combination; 2015 Kazan SYN bronze: duet Free |
| Alyssa Anderson | USA |
SWM | Olympics | 2012 | 0–1–0 2009 Roma SWI silver: 4×200 m freestyle relay (swam in heats only) |
| Haley Anderson | USA |
OWS | Olympics | 2012—2020 | 2–2–1 2013 Barcelona SWI gold: 5 km open water; 2015 Kazan SWI gold: 5 km open water; 2017 Budapest SWI silver: 4×1.25 km open water relay; 2019 Gwangju SWI silver: 10 km open water, bronze: 4×1.25 km open water relay |
| Jakob Andkjær | DEN |
SWM | Olympics | 2008 | 0–0–1 2007 Melbourne SWI bronze: 50 m butterfly |
| Ángel Luis Andreo | ESP |
WPO | Olympics / Non-starter | 1996—2008 | 1–0–1 2001 Fukuoka WAP gold; 2007 Melbourne WAP bronze |
| Alberto Angelini | ITA |
WPO | Olympics | 1996—2008 | 0–1–0 2003 Barcelona WAP silver |
| Hannelore Anke | GDR |
SWM | Olympics | 1972—1976 | 3–1–0 1973 Belgrade SWI silver: 200 m breaststroke; 1975 Cali SWI gold: 100 m breaststroke, 200 m breaststroke, and 4×100 m medley relay |
| Dóra Antal | HUN |
WPO | Olympics | 2012—2016 | 0–0–1 2013 Barcelona WAP bronze |
| Stavroula Antonakou | GRE |
WPO | Olympics | 2008 | 1–0–0 2011 Shanghai WAP gold |
| Aleksandra Antonova | RUS |
WPO | Olympics | 2012 | 0–0–1 2011 Shanghai WAP bronze |
| Ai Aoki | JPN |
SWA | Olympics | 2008 | 0–1–0 2007 Melbourne SYN silver: team Free Routine Combination |
| Mayumi Aoki | JPN |
SWM | Olympics | 1972 | 0–0–1 1973 Belgrade SWI bronze: 100 m butterfly |
| Ayari Aoyama | JPN |
SWM | Olympics | 1996 | 0–1–1 1998 Perth SWI silver: 100 m butterfly, bronze: 4×100 m medley relay |
| Dmitry Apanasenko | RUS URS EUN |
WPO | Olympics | 1988—1996 | 0–0–2 1986 Madrid WAP bronze (competed for the Soviet Union); 1994 Roma WAP bronze (competed for Russia) |
| Zoe Arancini | AUS |
WPO | Olympics | 2016—2024 | 0–1–1 2013 Barcelona WAP silver; 2019 Gwangju WAP bronze |
| Rômulo Arantes | BRA |
SWM | Olympics | 1972—1980 | 0–0–1 1978 West Berlin SWI bronze: 100 m backstroke |
| Kelly Araouzou | GRE |
OWS | Olympics | 2016 | 0–2–0 2013 Barcelona SWI silver: 5 km open water team; 2015 Kazan SWI silver: 5 km open water |
| Alexandra Araujo | ITA |
WPO | Olympics | 2004 | 2–1–0 1998 Perth WAP gold (competed for Italy); 2001 Fukuoka WAP gold (competed for Italy); 2003 Barcelona WAP silver (competed for Italy) |
| Samantha Arévalo | ECU |
OWS/SWM | Olympics | 2012—2020 | 0–1–0 2017 Budapest SWI silver: 10 km |
| Marie-Thérèse Armentero | SUI |
SWM | Olympics | 1984—1988 | 0–0–1 1986 Madrid SWI bronze: 50 m freestyle |
| Betsey Armstrong | USA |
WPO | Olympics | 2008—2012 | 2–0–0 2007 Melbourne WAP gold; 2009 Roma WAP gold |
| Örn Arnarson | ISL |
SWM | Olympics / Opening Flagbearer | 2000—2008 | 0–1–1 2001 Fukuoka SWI silver: 100 m backstroke, bronze: 200 m backstroke |
| Marie-Luc Arpin | CAN |
WPO | Olympics | 2000—2004 | 0–0–2 2001 Fukuoka WAP bronze; 2005 Montréal WAP bronze |
| Pär Arvidsson | SWE |
SWM | Olympics | 1976—1980 | 0–0–1 1978 West Berlin SWI bronze: 100 m butterfly |
| Jessica Ashwood | AUS |
SWM | Olympics | 2012—2016 | 0–0–1 2015 Kazan SWI bronze: 400 m freestyle |
| Alexandra Asimaki | GRE |
WPO | Olympics | 2008—2024 | 1–0–0 2011 Shanghai WAP gold |
| Alia Atkinson | JAM |
SWM | Olympics | 2004—2020 | 0–1–1 2015 Kazan SWI silver: 50 m breaststroke, bronze: 100 m breaststroke |
| Francesco Attolico | ITA |
WPO | Olympics | 1992—2000 | 1–0–0 1994 Roma WAP gold |
| Isabelle Auger | CAN |
WPO | Olympics | 2000 | 0–1–0 1991 Perth WAP silver |
| Gianni Averaimo | ITA |
WPO | Olympics / Non-starter | 1988—1992 | 1–1–0 1986 Madrid WAP silver; 1994 Roma WAP gold |
| Yelena Azarova | RUS |
SWA | Olympics | 1996—2004 | 1–0–0 1998 Perth SYN gold: team |
| Jack Babashoff | USA |
SWM | Olympics | 1976 | 1–0–0 1978 West Berlin SWI gold: 4×100 m freestyle relay |
| Shirley Babashoff | USA |
SWM | Olympics | 1972—1976 | 2–7–1 1973 Belgrade SWI silver: 100 m freestyle, 200 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay; 1975 Cali SWI gold: 200 m freestyle and 400 m freestyle, silver: 100 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay, bronze: 800 m freestyle |
| Kristen Babb-Sprague | USA |
SWA | Olympics | 1992 | 1–2–0 1986 Madrid SYN silver: team (competed as Kristen Babb); 1991 Perth SYN gold: team, silver: solo (competed as Kristen Babb) |
| Marina Babkova | RUS URS |
DIV | Olympics | 1988 | 0–0–1 1986 Madrid DIV bronze: 3 m springboard |
| Marta Bach | ESP |
WPO | Olympics | 2012—2020 | 1–2–0 2013 Barcelona WAP gold; 2017 Budapest WAP silver; 2019 Gwangju WAP silver |
| Robin Backhaus | USA |
SWM | Olympics | 1972 | 4–0–1 1973 Belgrade SWI gold: 200 m Butterfly. 4×200 m freestyle relay. and 4×100 m medley relay (swam in heats only), bronze: 100 m butterfly; 1975 Cali SWI gold: 4×100 m freestyle relay (swam in heats only) |
| Steve Badger | CAN |
SWM | Olympics | 1976 | 0–1–0 1973 Belgrade SWI silver: 4×200 m freestyle relay (competed for Australia) |
| Angie Bainbridge | AUS |
SWM | Olympics | 2008—2012 | 0–1–0 2011 Shanghai SWI silver: 4×200 m freestyle relay |
| Kathleen Baker | USA |
SWM | Olympics | 2016 | 1–1–1 2017 Budapest SWI gold: 4×100 m medley relay, silver: 100 m backstroke, bronze: 200 m backstroke |
| Roman Balashov | RUS |
WPO | Olympics | 2000—2004 | 0–0–1 2001 Fukuoka WAP bronze |
| Brita Baldus | GDR GER |
DIV | Olympics | 1988—1992 | 0–0–1 1991 Perth DIV bronze: 3 m springboard (competed for Germany) |
| Kirsty Balfour | GBR |
SWM | Olympics | 2004—2008 | 0–1–0 2007 Melbourne SWI silver: 200 m breaststroke |
| Daniel Ballart | ESP |
WPO | Olympics | 1992—2004 | 2–2–0 1991 Perth WAP silver; 1994 Roma WAP silver; 1998 Perth WAP gold; 2001 Fukuoka WAP gold |
| Coralie Balmy | FRA |
SWM | Olympics | 2008—2016 | 0–0–1 2013 Barcelona SWI bronze: 4×200 m freestyle relay |
| Frank Baltrusch | GDR |
SWM | Olympics | 1988 | 0–1–1 1982 Guayaquil SWI bronze: 200 m backstroke; 1986 Madrid SWI silver: 200 m backstroke |
| Samir Barać | CRO |
WPO | Olympics | 2000—2012 | 1–0–2 2007 Melbourne WAP gold; 2009 Roma WAP bronze; 2011 Shanghai WAP bronze |
| Silvio Baracchini | ITA |
WPO | Olympics | 1972—1976 | 1–0–1 1975 Cali WAP bronze; 1978 West Berlin WAP gold |
| Paolo Barelli | ITA |
SWM | Olympics | 1972—1976 | 0–0–1 1975 Cali SWI bronze: 4×100 m freestyle relay |
| Aleksey Barkalov | URS UKR |
WPO | Olympics | 1968—1980 | 1–1–0 1973 Belgrade WAP silver; 1975 Cali WAP gold |
| Romain Barnier | FRA |
SWM | Olympics | 2000—2004 | 0–0–1 2003 Barcelona SWI bronze: 4×100 m freestyle relay |
| Bengt Baron | SWE |
SWM | Olympics | 1980—1984 | 0–0–2 1982 Guayaquil SWI bronze: 100 m butterfly and 4×100 m freestyle relay |
| Bronte Barratt | AUS |
SWM | Olympics | 2008—2016 | 1–3–0 2005 Montréal SWI silver: 4×200 m freestyle relay; 2011 Shanghai SWI silver: 4×200 m freestyle relay; 2013 Barcelona SWI silver: 4×200 m freestyle relay; 2015 Kazan SWI gold: 4×100 m freestyle relay (swam in heats only) |
| Mike Barrowman | USA |
SWM | Olympics | 1988—1992 | 2–0–0 1991 Perth SWI gold: 200 m breaststroke and 4×100 m medley relay (swam in heats only) |
| Carrie Barton | USA |
SWA | Olympics | 2000 | 0–0–1 1998 Perth SYN bronze: team |
| Alison Bartosik | USA |
SWA | Olympics | 2004 | 0–1–1 2003 Barcelona SYN silver: team Free Routine Combination, bronze: team |
| Heidemarie Bártová-Grécká | CZE TCH |
DIV | Olympics | 1980—1992 | 0–0–1 1991 Perth DIV bronze: 1 m springboard |
| Iurie Bașcatov | MDA URS EUN |
SWM | Olympics | 1988—1992 | 0–1–1 1991 Perth SWI silver: 4×100 m medley relay (swam in heats only), bronze: 4×100 m freestyle relay (competed for the Soviet Union) |
| Clara Basiana | ESP |
SWA | Olympics | 2012 | 0–3–2 2011 Shanghai SYN bronze: team Technical and team Free; 2013 Barcelona SYN silver: team Technical, team Free, and team Free Routine Combination |
| Stefano Battistelli | ITA |
SWM | Olympics | 1988—1992 | 0–2–2 1986 Madrid SWI silver: 1500 m freestyle; 1991 Perth SWI silver: 200 m backstroke, bronze: 400 m medley and 4×200 m freestyle relay |
| Alex Baumann | CAN |
SWM | Olympics / Opening Flagbearer | 1984 | 0–1–1 1986 Madrid SWI silver: 200 m medley, bronze: 400 m medley |
| Nadezhda Bazhina | RUS |
DIV | Olympics | 2012—2016 | 0–1–1 2017 Budapest DIV silver: 1 m springboard, bronze: synchronized springboard |
| Gemma Beadsworth | AUS |
WPO | Olympics | 2008—2016 | 0–1–0 2007 Melbourne WAP silver |
| Amanda Beard | USA |
SWM | Olympics | 1996—2008 | 1–2–0 2003 Barcelona SWI gold: 200 m breaststroke, silver: 100 m breaststroke and 4×100 m medley relay |
| Robin Beauregard | USA |
WPO | Olympics | 2000—2004 | 1–0–0 2003 Barcelona WAP gold |
| Andrea Beccari | ITA |
SWM | Olympics | 2000—2004 | 0–1–0 2001 Fukuoka SWI silver: 4×200 m freestyle relay |
| Leonie Beck | GER |
OWS/SWM | Olympics | 2016—2024 | 0–0–1 2019 Gwangju SWI bronze: 5 km open water |
| Reinhold Becker | FRG |
SWM | Olympics | 1976 | 0–1–0 1978 West Berlin SWI silver: 4×100 m medley relay (swam in heats only) |
| Gudrun Beckmann | FRG |
SWM | Olympics | 1972—1976 | 0–0–2 1973 Belgrade SWI bronze: 4×100 m freestyle relay and 4×100 m medley relay |
| Brigitte Becue | BEL |
SWM | Olympics | 1988—2000 | 0–0–1 1994 Roma SWI bronze: 200 m breaststroke |
| B. J. Bedford | USA |
SWM | Olympics | 2000 | 2–0–1 1994 Roma SWI bronze: 100 m backstroke; 1998 Perth SWI gold: 4×100 m freestyle relay and 4×100 m medley relay (swam in heats only) |
| Domonic Bedggood | AUS |
DIV | Olympics | 2016—2024 | 0–0–1 2015 Kazan DIV bronze: synchronized platform (mixed) |
| Johanne Bégin | CAN |
WPO | Olympics | 2000—2004 | 0–0–2 2001 Fukuoka WAP bronze; 2005 Montréal WAP bronze |
| Roswitha Beier | GDR |
SWM | Olympics | 1972 | 0–1–0 1973 Belgrade SWI silver: 200 m butterfly |
| Elizabeth Beisel | USA |
SWM | Olympics | 2008—2016 | 1–0–2 2009 Roma SWI bronze: 200 m backstroke; 2011 Shanghai SWI gold: 400 m medley; 2013 Barcelona SWI bronze: 400 m medley |
| Mireia Belmonte | ESP |
SWM | Olympics / Opening Flagbearer | 2008—2020 | 1–4–1 2013 Barcelona SWI silver: 200 m butterfly and 400 m medley, bronze: 200 m medley; 2017 Budapest SWI gold: 200 m butterfly, silver: 1500 m freestyle and 400 m medley |
| Melissa Belote | USA |
SWM | Olympics | 1972—1976 | 1–2–0 1973 Belgrade SWI gold: 200 m backstroke, silver: 100 m backstroke and 4×100 m medley relay |
| Olga Belova-Gorbunova | RUS |
WPO | Olympics | 2012—2016 | 0–0–1 2017 Budapest WAP bronze (competed as Olga Gorbunova) |
| Janine Belton | GBR |
SWM | Olympics | 1996—2000 | 1–0–0 2001 Fukuoka SWI gold: 4×200 m freestyle relay |
| Olga Belyayeva | RUS |
WPO | Olympics | 2008—2012 | 0–0–2 2009 Roma WAP bronze; 2011 Shanghai WAP bronze |
| Fabio Bencivenga | ITA |
WPO | Olympics | 1996—2008 | 0–1–0 2003 Barcelona WAP silver |
| Tibor Benedek | HUN |
WPO | Olympics / Coach | 1992—2016 | 1–2–1 1991 Perth WAP bronze; 1998 Perth WAP silver; 2003 Barcelona WAP gold; 2007 Melbourne WAP silver |
| Meaghan Benfeito | CAN |
DIV | Olympics | 2008—2020 | 0–3–1 2005 Montréal DIV bronze: synchronized platform; 2013 Barcelona DIV silver: synchronized platform; 2015 Kazan DIV silver: synchronized platform and synchronized platform (mixed) |
| Lindsay Benko | USA |
SWM | Olympics | 2000—2004 | 2–2–0 1998 Perth SWI silver: 4×200 m freestyle relay; 2003 Barcelona SWI gold: 4×100 m freestyle relay and 4×200 m freestyle relay, silver: 4×100 m medley relay |
| Brooke Bennett | USA |
SWM | Olympics | 1996—2000 | 1–2–1 1994 Roma SWI bronze: 800 m freestyle; 1998 Perth SWI gold: 800 m freestyle, silver: 400 m freestyle and 4×200 m freestyle relay |
| Conny van Bentum | NED |
SWM | Olympics | 1980—1988 | 0–0–5 1982 Guayaquil SWI bronze: 4×100 m freestyle relay; 1986 Madrid SWI bronze: 100 m freestyle, 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay |
| Viktor Berendyuga | URS UKR |
WPO | Olympics | 1988 | 0–0–1 1986 Madrid WAP bronze |
| Ricky Berens | USA |
SWM | Olympics | 2008—2012 | 4–1–0 2009 Roma SWI gold: 4×200 m freestyle relay and 4×100 m freestyle relay (swam in heats only); 2011 Shanghai SWI gold: 4×200 m freestyle relay; 2013 Barcelona SWI gold: 4×200 m freestyle relay, silver: 4×100 m freestyle relay (swam in heats only) |
| Gillian van den Berg | NED |
WPO | Olympics | 2000—2008 | 0–2–0 1994 Roma WAP silver; 1998 Perth WAP silver |
| Alain Bernard | FRA |
SWM | Olympics / Torch Bearer | 2008—2024 | 0–2–3 2007 Melbourne SWI bronze: 4×100 m freestyle relay; 2009 Roma SWI silver: 100 m freestyle, bronze: 4×100 m freestyle relay; 2011 Shanghai SWI silver: 4×100 m freestyle relay, bronze: 50 m freestyle |
| Jens-Peter Berndt | FRG |
SWM | Olympics | 1988 | 0–1–0 1982 Guayaquil SWI silver: 400 m medley (competed for East Germany) |
| Elena Bertocchi | ITA |
DIV | Olympics / YOG | 2010—2024 | 0–0–1 2017 Budapest DIV bronze: 1 m springboard |
| Mislav Bezmalinović | CRO YUG |
WPO | Olympics | 1988 | 1–0–0 1991 Perth WAP gold |
| Suzannah Bianco | USA |
SWA | Olympics | 1996 | 1–0–0 1994 Roma SYN gold: team |
| Roberta Bianconi | ITA |
WPO | Olympics | 2012—2024 | 0–0–1 2015 Kazan WAP bronze |
| Paul Biedermann | GER |
SWM | Olympics | 2008—2016 | 2–1–4 2009 Roma SWI gold: 200 m freestyle and 400 m freestyle, silver: 4×100 m medley relay; 2011 Shanghai SWI bronze: 200 m freestyle, 400 m freestyle, and 4×100 m medley relay; 2015 Kazan SWI bronze: 200 m freestyle |
| Marko Bijač | CRO |
WPO | Olympics | 2016—2024 | 1–1–2 2013 Barcelona WAP bronze; 2015 Kazan WAP silver; 2017 Budapest WAP gold; 2019 Gwangju WAP bronze |
| Matt Biondi | USA |
SWM | Olympics | 1984—1992 | 6–2–3 1986 Madrid SWI gold: 100 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay, silver: 100 m butterfly, bronze: 50 m freestyle, 200 m freestyle, and bronze: 4×200 m freestyle relay; 1991 Perth SWI gold: 100 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay, silver: 50 m freestyle |
| Péter Biros | HUN |
WPO | Olympics / Opening Flagbearer | 2000—2012 | 1–2–0 2003 Barcelona WAP gold; 2005 Montréal WAP silver; 2007 Melbourne WAP silver |
| Iso Bishop | AUS |
WPO | Olympics | 2016 | 0–1–1 2013 Barcelona WAP silver; 2019 Gwangju WAP bronze |
| Andrea Blas | ESP |
WPO | Olympics | 2012 | 1–0–0 2013 Barcelona WAP gold |
| Pernille Blume | DEN |
SWM | Olympics / Closing Flagbearer | 2012—2020 | 0–0–1 2017 Budapest SWI bronze: 100 m freestyle |
| Claudia Bockner | GER |
DIV | Olympics | 1996 | 0–0–1 1994 Roma DIV bronze: 3 m springboard |
| Michaël Bodegas | FRA ITA |
WPO | Olympics | 2016—2024 | 1–0–0 2019 Gwangju WAP gold |
| András Bodnár | HUN |
SWM/WPO | Olympics | 1960—1972 | 1–1–0 1973 Belgrade WAP gold; 1975 Cali WAP silver |
| Hellen Boering | NED |
WPO | Olympics | 2000 | 1–2–0 1986 Madrid WAP silver; 1991 Perth WAP gold; 1994 Roma WAP silver |
| Andrey Bogdanov | RUS URS |
SWM | Olympics | 1976 | 0–0–1 1975 Cali SWI bronze: 4×200 m freestyle relay (swam in heats only) |
| Svetlana Bogdanova | RUS |
WPO | Olympics | 2004 | 0–0–1 2003 Barcelona WAP bronze |
| Yuliya Bogdanova | RUS URS |
SWM | Olympics | 1980 | 1–1–1 1978 West Berlin SWI gold: 100 m breaststroke, silver: 200 m breaststroke, bronze: 4×100 m medley relay |
| Alessio Boggiatto | ITA |
SWM | Olympics | 2000—2008 | 1–0–0 2001 Fukuoka SWI gold: 400 m medley |
| Phil Boggs | USA |
DIV | Olympics | 1976 | 3–0–0 1973 Belgrade DIV gold: 3 m springboard; 1975 Cali DIV gold: 3 m springboard; 1978 West Berlin DIV gold: 3 m springboard |
| Tanya Bogomilova-Dangalakova | BUL |
SWM | Olympics | 1980—1988 | 0–1–1 1986 Madrid SWI silver: 200 m breaststroke, bronze: 100 m breaststroke (competed as Tanya Bogomilova) |
| Richárd Bohus | HUN |
SWM | Olympics | 2012—2020 | 0–0–1 2017 Budapest SWI bronze: 4×100 m freestyle relay |
| Flóra Bolonyai | HUN |
WPO | Olympics | 2012 | 0–0–1 2013 Barcelona WAP bronze |
| Sergey Bolshakov | RUS |
OWS | Olympics | 2012 | 0–0–1 2011 Shanghai SWI bronze: 10 km open water |
| Oleksandr Bondar | ROC UKR |
DIV | Olympics / YOG | 2010—2020 | 0–2–2 2011 Shanghai DIV bronze: synchronized platform; 2017 Budapest DIV silver: synchronized platform (competed as Aleksandr Bondar for Russia); 2019 Gwangju DIV silver: synchronized platform, bronze: platform (competed as Aleksandr Bondar for Russia) |
| Charlotte Bonnet | FRA |
SWM | Olympics | 2012—2024 | 0–0–2 2013 Barcelona SWI bronze: 4×200 m freestyle relay; 2019 Gwangju SWI bronze: 4×100 m freestyle mixed relay |
| Gustavo Borges | BRA |
SWM | Olympics / Closing Flagbearer | 1992—2004 | 0–0–2 1994 Roma SWI bronze: 100 m freestyle and 4×100 m freestyle relay |
| Aleksey Borislavsky | URS UKR |
SWM | Olympics | 1988 | 0–0–1 1991 Perth bronze: 4×100 m freestyle relay (swam in heats only) |
| Mariya Borisova | RUS |
WPO | Olympics | 2016 | 0–0–1 2017 Budapest WAP bronze |
| Miho Bošković | CRO |
WPO | Olympics | 2008—2012 | 1–0–2 2007 Melbourne WAP gold; 2009 Roma WAP bronze; 2011 Shanghai WAP bronze |
| Silvia Bosurgi | ITA |
WPO | Olympics | 2004—2008 | 1–1–0 2001 Fukuoka WAP gold; 2003 Barcelona WAP silver |
| Beth Botsford | USA |
SWM | Olympics | 1996 | 1–0–0 1998 Perth gold: 4×100 m medley relay (swam in heats only) |
| Joe Bottom | USA |
SWM | Olympics | 1976 | 7–1–0 1973 Belgrade SWI gold: 4×100 m freestyle relay and 4×100 m medley relay, silver: 100 m butterfly; 1975 Cali SWI gold: 4×100 m freestyle relay (swam in heats only) and 4×100 m medley relay (swam in heats only); 1978 West Berlin SWI gold: 100 m butterfly, 4×100 m freestyle relay (swam in heats only), and 4×100 m medley relay |
| David Boudia | USA |
DIV | Olympics | 2008—2016 | 0–4–1 2007 Melbourne DIV bronze: synchronized platform; 2009 Roma DIV silver: synchronized platform; 2011 Shanghai DIV silver: platform; 2013 Barcelona DIV silver: platform; 2015 Kazan DIV silver: platform |
| Marie-Pierre Boudreau-Gagnon | CAN |
SWA | Olympics | 2008—2012 | 0–0–3 2009 Roma SYN bronze: solo Technical and team Free Routine Combination; 2011 Shanghai SYN bronze: team Free Routine Combination |
| Lorys Bourelly | FRA |
SWM | Olympics | 2016 | 1–0–0 2015 Kazan SWI gold: 4×100 m freestyle relay (swam in heats only) |
| Fréd Bousquet | FRA |
SWM | Olympics | 2000—2016 | 0–1–5 2003 Barcelona SWI bronze: 4×100 m freestyle relay; 2007 Melbourne SWI bronze: 4×100 m freestyle relay; 2009 Roma SWI silver: 50 m freestyle, bronze: 100 m freestyle and bronze: 4×100 m freestyle relay; 2013 Barcelona SWI bronze: 50 m butterfly |
| George Bovell | TTO |
SWM | Olympics / Opening Flagbearer / Closing Flagbearer | 2000—2016 | 0–0–1 2013 Barcelona SWI bronze: 50 m freestyle |
| Alessandro Bovo | ITA |
WPO | Olympics | 1992—1996 | 1–0–0 1994 Roma WAP gold |
| Lauren Boyle | NZL |
SWM | Olympics | 2008—2016 | 0–2–3 2013 Barcelona SWI bronze: 400 m freestyle, 800 m freestyle, and 1500 m freestyle; 2015 Kazan SWI silver: 800 m freestyle and 1500 m freestyle |
| Ralf Braun | GER |
SWM | Olympics | 1996—2000 | 0–1–0 1998 Perth SWI silver: 200 m backstroke |
| Dirk Braunleder | FRG |
SWM | Olympics | 1976 | 0–2–0 1975 Cali SWI silver: 4×100 m freestyle relay and 4×100 m medley relay (swam in heats only) |
| Fruzsina Brávik | HUN |
WPO | Olympics | 2008 | 1–0–0 2005 Montréal WAP gold |
| Emiliano Brembilla | ITA |
SWM | Olympics | 1996—2008 | 0–2–1 1998 Perth SWI silver: 1500 m freestyle; 2001 Fukuoka SWI silver: 4×200 m freestyle relay, bronze: 400 m freestyle |
| Chris-Carol Bremer | GER |
SWM | Olympics | 1992—1996 | 0–0–1 1994 Roma SWI bronze: 200 m butterfly |
| Janice Bremner | CAN |
SWA | Olympics | 1996 | 0–1–0 1994 Roma SYN silver: team |
| Rosalind Brett | GBR |
SWM | Olympics | 2000 | 0–1–0 2001 Fukuoka SWI silver: 4×100 m freestyle relay |
| Serhiy Breus | UKR |
SWM | Olympics | 2008 | 0–0–1 2005 Montréal SWI bronze: 50 m butterfly |
| Darko Brguljan | MNE |
WPO | Olympics | 2016 | 0–1–0 2013 Barcelona WAP silver |
| Draško Brguljan | MNE |
WPO | Olympics / Opening Flagbearer | 2008—2020 | 1–1–0 1986 Madrid WAP gold (competed for Yugoslavia); 2013 Barcelona WAP silver (competed for Montenegro) |
| Karin Brienesse | NED |
SWM | Olympics | 1988—1996 | 0–1–2 1986 Madrid SWI bronze: 4×100 m freestyle relay; 1991 Perth SWI silver: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay |
| Enith Brigitha | NED |
SWM | Olympics | 1972—1976 | 0–1–4 1973 Belgrade SWI silver: 200 m backstroke, bronze: 100 m freestyle; 1975 Cali SWI bronze: 100 m freestyle, 200 m freestyle, and 4×100 m medley relay |
| Melissa Briley | USA |
DIV | Olympics | 1976 | 0–0–1 1978 West Berlin DIV bronze: platform |
| Brian Brinkley | GBR |
SWM | Olympics | 1972—1976 | 0–1–3 1975 Cali SWI silver: 4×200 m freestyle relay, bronze: 200 m freestyle, 200 m butterfly, and 4×100 m medley relay |
| Grant Brits | AUS |
SWM | Olympics | 2008 | 0–1–0 2007 Melbourne SWI silver: 4×200 m freestyle relay |
| Leith Brodie | AUS |
SWM | Olympics | 2008 | 0–0–1 2005 Montréal SWI bronze: 4×100 m freestyle relay |
| Peter Broscienski | FRG |
SWM | Olympics | 1976 | 0–1–0 1978 West Berlin SWI silver: 4×100 m medley relay (swam in heats only) |
| Mike Brown | CAN |
SWM | Olympics | 2004—2008 | 0–1–0 2005 Montréal SWI silver: 200 m breaststroke |
| Peter Bruch | GDR |
SWM | Olympics | 1972 | 0–0–1 1973 Belgrade SWI bronze: 4×100 m freestyle relay |
| Annika Bruhn | GER |
SWM | Olympics | 2012—2020 | 0–0–1 2015 Kazan SWI bronze: 4×100 m medley mixed relay |
| Daniëlle de Bruijn | NED |
WPO | Olympics | 2000—2008 | 0–1–0 1998 Perth WAP silver |
| Inge de Bruijn | NED |
SWM | Olympics / Closing Flagbearer | 1992—2004 | 4–0–1 1991 Perth SWI bronze: 4×100 m freestyle relay; 2001 Fukuoka SWI gold: 50 m freestyle, 100 m freestyle, and 50 m butterfly; 2003 Barcelona SWI gold: 50 m butterfly |
| Mike Bruner | USA |
SWM | Olympics | 1976 | 1–0–0 1978 West Berlin SWI gold: 200 m butterfly |
| Rachele Bruni | ITA |
OWS | Olympics | 2016—2020 | 0–1–2 2017 Budapest SWI bronze: 4×1.25 km open water relay; 2019 Gwangju SWI silver: 4×1.25 km open water relay, bronze: 10 km open water |
| Olga Brusnikina | RUS |
SWA | Olympics | 1996—2004 | 4–0–0 1998 Perth SYN gold: duet and team; 2001 Fukuoka SYN gold: solo; 2003 Barcelona SYN gold: team |
| Hannah Buckling | AUS |
WPO | Olympics | 2016—2020 | 0–1–1 2013 Barcelona WAP silver; 2019 Gwangju WAP bronze |
| Barbara Bujka | HUN |
WPO | Olympics | 2012—2016 | 0–0–1 2013 Barcelona WAP bronze |
| Luka Bukić | CRO |
WPO | Olympics | 2016—2024 | 0–1–1 2013 Barcelona WAP bronze; 2015 Kazan WAP silver |
| Perica Bukić | CRO YUG |
WPO | Olympics / Opening Flagbearer | 1984—1996 | 2–0–0 1986 Madrid WAP gold (competed for Yugoslavia); 1991 Perth WAP gold (competed for Yugoslavia) |
| Ivan Buljubašić | CRO |
WPO | Olympics | 2012 | 1–0–2 2009 Roma WAP bronze; 2011 Shanghai WAP bronze; 2017 Budapest WAP gold |
| Carmen Bunaciu | ROU |
SWM | Olympics | 1980—1984 | 0–0–1 1982 Guayaquil SWI bronze: 200 m backstroke |