Host cities:
| Athlete | Nation(s) | Sport(s) | Role(s) | Era | Notes |
|---|---|---|---|---|---|
| Fabio Scozzoli | SWM | Olympics | 2012 | 0–2–0 2011 Shanghai SWI silver: 50 m breaststroke and 100 m breaststroke | |
| Olga Sedakova | SWA | Olympics | 1992—1996 | 3–0–0 1998 Perth SYN gold: solo, duet, and team (competed for Russia) | |
| Emily Seebohm | SWM | Olympics | 2008—2020 | 5–5–4 2007 Melbourne SWI gold: 4×100 m medley relay; 2009 Roma SWI silver: 4×100 m medley relay, bronze: 100 m backstroke; 2013 Barcelona SWI silver: 100 m backstroke, 4×100 m medley relay, and 4×100 m freestyle relay (swam in heats only); 2015 Kazan SWI gold: 100 m backstroke, 200 m backstroke, and 4×100 m freestyle relay, bronze: 4×100 m medley relay; 2017 Budapest SWI gold: 200 m backstroke, silver: 4×100 m freestyle relay (swam in heats only), bronze: 100 m backstroke and 4×100 m medley relay | |
| Denis Šefik | WPO | Olympics | 2004—2012 | 1–1–1 2001 Fukuoka WAP silver (competed for FR Yugoslavia); 2003 Barcelona WAP bronze (competed for Serbia and Montenegro); 2005 Montréal WAP gold (competed for Serbia and Montenegro) | |
| Elke Sehmisch | SWM | Olympics | 1972 | 1–0–0 1973 Belgrade SWI gold: 4×100 m freestyle relay (swam in heats only) | |
| Karin Seick | SWM | Olympics | 1984—1988 | 0–1–0 1991 Perth SWI gold: 4×50 m freestyle relay (demonstration event), silver: 4×100 m freestyle relay (competed for Germany) | |
| Melissa Seidemann | WPO | Olympics | 2012—2020 | 3–0–0 2015 Kazan WAP gold; 2017 Budapest WAP gold; 2019 Gwangju WAP gold | |
| Vladimir Selkov | SWM | Olympics | 1992—1996 | 1–2–1 1991 Perth SWI silver: 4×100 m medley relay (swam in heats only), bronze: 200 m backstroke (competed for the Soviet Union); 1994 Roma SWI gold: 200 m backstroke, silver: 4×100 m medley relay (competed for Russia) | |
| Hanna-Maria Seppälä | SWM | Olympics / Opening Flagbearer | 2000—2016 | 1–0–0 2003 Barcelona SWI gold: 100 m freestyle | |
| Svitlana Serbina | DIV | Olympics | 1996—2000 | 1–0–0 1998 Perth DIV gold: synchronized platform | |
| Andriy Serdinov | SWM | Olympics | 2000—2008 | 0–0–2 2003 Barcelona SWI bronze: 100 m butterfly; 2005 Montréal SWI bronze: 100 m butterfly | |
| Ione Serrano | SWA | Olympics | 2004 | 0–1–0 2003 Barcelona SYN silver: team Free Routine Combination | |
| Anđelo Šetka | WPO | Olympics | 2016 | 1–1–2 2013 Barcelona WAP bronze; 2015 Kazan WAP silver; 2017 Budapest WAP gold; 2019 Gwangju WAP bronze | |
| Daiya Seto | SWM | Olympics | 2016—2024 | 4–1–2 2013 Barcelona SWI gold: 400 m medley; 2015 Kazan SWI gold: 400 m medley; 2017 Budapest SWI bronze: 200 m butterfly and 400 m medley; 2019 Gwangju SWI gold: 200 m medley and 400 m medley, silver: 200 m butterfly | |
| Christina Seufert | DIV | Olympics / Referee | 1984—2012 | 0–1–0 1982 Guayaquil DIV silver: 3 m springboard | |
| Katy Sexton | SWM | Olympics | 2000—2004 | 1–1–0 2003 Barcelona SWI gold: 200 m backstroke, silver: 100 m backstroke | |
| Erkin Shagayev | WPO | Olympics / Coach | 1980—2004 | 1–0–0 1982 Guayaquil WAP gold | |
| Shan Ying | SWM | Olympics | 1996 | 3–0–2 1994 Roma SWI gold: 4×100 m freestyle relay, 4×200 m freestyle relay (swam in heats only), and 4×100 m medley relay (swam in heats only); 1998 Perth SWI bronze: 50 m freestyle and 100 m freestyle | |
| Eric Shanteau | SWM | Olympics | 2008—2012 | 2–1–1 2009 Roma SWI gold: 4×100 m medley relay, silver: 200 m breaststroke, bronze: 200 m medley; 2011 Shanghai SWI gold: 4×100 m medley relay (swam in heats only) | |
| Shao Yiwen | SWM | Olympics | 2012 | 0–0–1 2015 Kazan SWI bronze: 4×200 m freestyle relay (swam in heats only) | |
| Yevgeny Sharonov | WPO | Olympics | 1980—1992 | 1–0–1 1982 Guayaquil WAP gold (competed for the Soviet Union); 1986 Madrid WAP bronze (competed for the Soviet Union) | |
| Royce Sharp | SWM | Olympics | 1992 | 0–0–1 1994 Roma SWI bronze: 200 m backstroke | |
| Tim Shaw | SWM/WPO | Olympics | 1976—1984 | 4–0–0 1973 Belgrade SWI gold: 4×200 m freestyle relay (swam in heats only); 1975 Cali SWI gold: 200 m freestyle, 400 m freestyle, and 1500 m freestyle | |
| Courtney Shealy | SWM | Olympics | 2000 | 0–2–0 2001 Fukuoka SWI silver: 4×100 m freestyle relay and 4×100 m medley relay (swam in heats only) | |
| Vladimir Shemetov | SWM | Olympics | 1980 | 0–3–2 1982 Guayaquil SWI silver: 4×200 m freestyle relay and 4×100 m medley relay, bronze: 100 m backstroke; 1991 Perth SWI silver: 4×100 m medley relay, bronze: 50 m backstroke (demonstration event) and 4×100 m freestyle relay | |
| Shen Duo | SWM | Olympics / YOG | 2014—2016 | 1–0–1 2015 Kazan SWI gold: 4×100 m medley relay, bronze: 4×200 m freestyle relay | |
| Nataliya Shepelina | WPO | Olympics | 2004—2008 | 0–0–2 2003 Barcelona WAP bronze; 2007 Melbourne WAP bronze | |
| Alison Sheppard | SWM | Olympics | 1988—2004 | 0–1–0 2001 Fukuoka SWI silver: 4×100 m freestyle relay | |
| Shi Jinglin | SWM | Olympics | 2016 | 1–0–3 2015 Kazan SWI gold: 4×100 m medley relay, bronze: 200 m breaststroke; 2017 Budapest SWI bronze: 200 m breaststroke and 4×100 m medley mixed relay (swam in heats only) | |
| Shi Tingmao | DIV | Olympics | 2016—2020 | 8–1–0 2011 Shanghai DIV gold: 1 m springboard; 2013 Barcelona DIV gold: synchronized springboard; 2015 Kazan DIV gold: 3 m springboard and synchronized springboard, silver: 1 m springboard; 2017 Budapest DIV gold: 3 m springboard and synchronized springboard; 2019 Gwangju DIV gold: 3 m springboard and synchronized springboard | |
| Ai Shibata | SWM | Olympics | 2004—2008 | 0–1–3 2005 Montréal SWI silver: 400 m freestyle, bronze: 800 m freestyle; 2007 Melbourne SWI bronze: 400 m freestyle and 1500 m freestyle | |
| Nataliya Shibayeva | SWM | Olympics | 1992 | 0–0–1 1986 Madrid SWI bronze: 100 m backstroke (competed for the Soviet Union) | |
| Tom Shields | SWM | Olympics | 2016—2020 | 1–0–0 2015 Kazan SWI gold: 4×100 m medley relay | |
| Shinri Shioura | SWM | Olympics | 2016—2020 | 0–0–1 2013 Barcelona SWI bronze: 4×100 m medley relay | |
| Alla Shishkina | SWA | Olympics | 2012—2020 | 14–0–0 2009 Roma SYN gold: team Technical and team Free; 2011 Shanghai SYN gold: team Technical, team Free, and team Free Routine Combination; 2013 Barcelona SYN gold: team Technical, team Free, and team Free Routine Combination; 2015 Kazan SYN gold: team Technical, team Free, and team Free Routine Combination; 2019 Gwangju SYN gold: team Technical, team Free, and team Free Routine Combination | |
| Yekaterina Shishova | WPO | Olympics | 2004 | 0–0–1 2003 Barcelona WAP bronze | |
| Rie Shito | SWM | Olympics | 1992 | 0–1–0 1991 Perth SWI silver: 200 m butterfly | |
| Anna Shorina | SWA | Olympics | 2004—2008 | 7–0–0 2001 Fukuoka SYN gold: team; 2003 Barcelona SYN gold: team; 2005 Montréal SYN gold: team and team Free Routine Combination; 2007 Melbourne SYN gold: team Technical, team Free, and team Free Routine Combination | |
| Tatyana Shtyryova-Volynkina | DIV | Olympics | 1972—1976 | 0–1–0 1975 Cali DIV silver: 3 m springboard (competed as Tetiana Volynkina) | |
| Mariya Shurochkina | SWA | Olympics | 2016—2020 | 11–0–0 2013 Barcelona SYN gold: team Technical, team Free, and team Free Routine Combination; 2015 Kazan SYN gold: team Technical, team Free, and team Free Routine Combination; 2017 Budapest SYN gold: team Technical and team Free; 2019 Gwangju SYN gold: team Technical, team Free, and team Free Routine Combination | |
| Tim Shuttleworth | SWM | Olympics | 2016 | 0–0–1 2017 Budapest SWI bronze: 5 km open water | |
| Si Yajie | DIV | Olympics | 2016 | 4–1–0 2013 Barcelona DIV gold: platform; 2015 Kazan DIV gold: synchronized platform (mixed); 2017 Budapest DIV gold: synchronized platform, silver: platform; 2019 Gwangju DIV gold: synchronized platform (mixed) | |
| Julien Sicot | SWM | Olympics | 2004 | 0–0–2 2003 Barcelona SWI bronze: 4×100 m freestyle relay; 2007 Melbourne SWI bronze: 4×100 m freestyle relay | |
| Aleksandr Sidorenko | SWM | Olympics | 1980 | 1–0–1 1978 West Berlin SWI bronze: 200 m medley; 1982 Guayaquil SWI gold: 200 m medley | |
| Jani Sievinen | SWM | Olympics | 1992—2004 | 1–1–0 1994 Roma SWI gold: 200 m medley, silver: 400 m medley | |
| Carlo Silipo | WPO | Olympics / Coach | 1992—2024 | 1–1–0 1994 Roma WAP gold; 2003 Barcelona WAP silver | |
| Emily Silver | SWM | Olympics | 2008 | 0–0–1 2005 Montréal SWI bronze: 4×100 m freestyle relay (swam in heats only) | |
| Anastasiya Simanovich | WPO | Olympics | 2016—2020 | 0–0–1 2017 Budapest WAP bronze | |
| Dubravko Šimenc | WPO | Olympics / Opening Flagbearer | 1988—2004 | 2–0–0 1986 Madrid WAP gold (competed for Yugoslavia); 1991 Perth WAP gold (competed for Yugoslavia) | |
| Roldano Simeoni | WPO | Olympics | 1972—1980 | 1–0–1 1975 Cali WAP bronze; 1978 West Berlin WAP gold | |
| Heather Simmons-Carrasco | SWA | Olympics | 1996 | 2–0–0 1991 Perth SYN gold: team (competed as Heather Simmons); 1994 Roma SYN gold: team (competed as Heather Simmons) | |
| Cornelia Sirch | SWM | Olympics | 1988 | 2–0–0 1982 Guayaquil SWI gold: 200 m backstroke; 1986 Madrid SWI gold: 200 m backstroke | |
| Peter Sitt | SWM | Olympics | 1988—1992 | 1–1–0 1991 Perth SWI gold: 4×200 m freestyle relay, silver: 4×100 m freestyle relay (competed for Germany) | |
| Sarah Sjöström | SWM | Olympics | 2008—2024 | 8–6–3 2009 Roma SWI gold: 100 m butterfly; 2013 Barcelona SWI gold: 100 m butterfly, silver: 100 m freestyle; 2015 Kazan SWI gold: 50 m butterfly and 100 m butterfly, silver: 100 m freestyle and 4×100 m medley relay, bronze: 50 m freestyle; 2017 Budapest SWI gold: 50 m freestyle, 50 m butterfly, and 100 m butterfly silver: 100 m freestyle; 2019 Gwangju SWI gold: 50 m butterfly, silver: 50 m freestyle and 100 m butterfly, bronze: 100 m freestyle and 200 m freestyle | |
| Nikolay Skvortsov | SWM | Olympics | 2004—2012 | 0–0–2 2007 Melbourne SWI bronze: 200 m butterfly and 4×100 m medley relay | |
| Susan Sloan | SWM | Olympics | 1976 | 0–0–1 1978 West Berlin SWI bronze: 4×100 m freestyle relay | |
| Roman Sludnov | SWM | Olympics | 2000—2012 | 1–1–1 2001 Fukuoka SWI gold: 100 m breaststroke, silver: 50 m breaststroke; 2007 Melbourne SWI bronze: 4×100 m medley relay (swam in heats only) | |
| Andrey Smirnov | SWM | Olympics | 1976 | 0–1–1 1975 Cali SWI silver: 400 m medley, bronze: 200 m medley | |
| Nikolay Smirnov | WPO | Olympics | 1988 | 1–0–1 1982 Guayaquil WAP gold; 1986 Madrid WAP bronze | |
| Sergey Smiryagin | SWM | Olympics | 1980 | 0–3–1 1982 Guayaquil SWI silver: 4×100 m freestyle relay and 4×100 m medley relay; 1986 Madrid SWI silver: 4×100 m freestyle relay, bronze: 4×100 m medley relay (swam in heats only) | |
| Yasemin Smit | WPO | Olympics | 2008 | 0–1–0 2015 Kazan WAP silver | |
| Anabelle Smith | DIV | Olympics | 2012—2024 | 0–0–1 2011 Shanghai DIV bronze: synchronized springboard | |
| Clark Smith | SWM | Olympics | 2016 | 0–0–1 2017 Budapest SWI bronze: 4×200 m freestyle relay (swam in heats only) | |
| Dan Smith | SWM | Olympics | 2016 | 0–0–1 2015 Kazan SWI bronze: 4×200 m freestyle relay | |
| Graeme Smith | SWM | Olympics | 1996—2004 | 0–1–1 2001 Fukuoka SWI silver: 1500 m freestyle, bronze: 800 m freestyle | |
| Graham Smith | SWM | Olympics | 1976 | 1–1–0 1978 West Berlin SWI gold: 200 m medley, silver: 100 m breaststroke | |
| Kierra Smith | SWM | Olympics | 2016—2020 | 0–0–1 2019 Gwangju SWI bronze: 4×100 m medley relay (swam in heats only) | |
| Leah Smith | SWM | Olympics | 2016 | 2–2–2 2015 Kazan SWI gold: 4×200 m freestyle relay; 2017 Budapest SWI gold: 4×200 m freestyle relay, silver: 400 m freestyle, bronze: 800 m freestyle; 2019 Gwangju SWI silver: 4×200 m freestyle relay (swam in heats only), bronze: 400 m freestyle | |
| Martin Smith | SWM | Olympics | 1976—1980 | 0–0–1 1978 West Berlin SWI bronze: 4×100 m medley relay | |
| Shannon Smith | SWM | Olympics | 1976 | 0–0–1 1975 Cali SWI bronze: 4×100 m freestyle relay | |
| Mile Smodlaka | WPO | Olympics | 2000—2008 | 1–0–0 2007 Melbourne WAP gold | |
| Olivia Smoliga | SWM | Olympics | 2016—2020 | 4–0–1 2017 Budapest SWI gold: 4×100 m freestyle relay (swam in heats only) and 4×100 m medley relay (swam in heats only); 2019 Gwangju SWI gold: 50 m backstroke and 4×100 m medley relay (swam in heats only), bronze: 100 m backstroke | |
| Yury Smolovoy | WPO | Olympics | 1996—2004 | 0–0–1 1994 Roma WAP bronze (competed for Russia) | |
| Yelena Smurova | WPO | Olympics | 2000—2008 | 0–0–2 2003 Barcelona WAP bronze; 2007 Melbourne WAP bronze | |
| Ingvild Snildal | SWM | Olympics | 2008—2012 | 0–0–1 2009 Roma SWI bronze: 50 m butterfly | |
| Yevgeniya Soboleva | WPO | Olympics | 2008—2020 | 0–0–3 2007 Melbourne WAP bronze; 2009 Roma WAP bronze; 2011 Shanghai WAP bronze | |
| Michael Söderlund | SWM | Olympics | 1980—1988 | 0–0–1 1982 Guayaquil SWI bronze: 4×100 m freestyle relay (swam in heats only) | |
| Song Donglun | WPO | Olympics | 2012—2016 | 0–1–0 2011 Shanghai WAP silver | |
| Rebecca Soni | SWM | Olympics | 2008—2012 | 4–1–1 2009 Roma SWI gold: 100 m breaststroke, silver: 50 m breaststroke; 2011 Shanghai SWI gold: 100 m breaststroke, 200 m breaststroke, and: 4×100 m medley relay, bronze: 50 m breaststroke | |
| Slobodan Soro | WPO | Olympics | 2008—2016 | 1–1–0 2009 Roma WAP gold (competed for Serbia); 2011 Shanghai WAP silver (competed for Serbia) | |
| Ildikó Sós Zirigh | WPO | Olympics | 2004—2008 | 0–1–0 2001 Fukuoka WAP silver | |
| Aleksandar Šoštar | WPO | Olympics | 1988—2000 | 2–1–0 1986 Madrid WAP gold (competed for Yugoslavia); 1991 Perth WAP gold (competed for Yugoslavia); 2001 Fukuoka WAP silver (competed for FR Yugoslavia) | |
| Ash Southern | WPO | Olympics | 2012—2016 | 0–1–0 2013 Barcelona WAP silver | |
| Torsten Spanneberg | SWM | Olympics | 2000—2004 | 0–1–2 1994 Roma SWI bronze: 4×200 m freestyle relay (swam in heats only); 2001 Fukuoka SWI silver: 4×100 m medley relay, bronze: 4×100 m freestyle relay | |
| Gemma Spofforth | SWM | Olympics | 2008—2012 | 1–0–0 2009 Roma SWI gold: 100 m backstroke | |
| Christian Sprenger | SWM | Olympics | 2008—2012 | 1–3–2 2009 Roma SWI bronze: 200 m breaststroke and 4×100 m medley relay (swam in heats only); 2011 Shanghai SWI silver: 4×100 m medley relay (swam in heats only); 2013 Barcelona SWI gold: 100 m breaststroke, silver: 50 m breaststroke and 4×100 m medley relay | |
| Nicholas Sprenger | SWM | Olympics | 2004—2008 | 1–0–1 2003 Barcelona SWI gold: 4×200 m freestyle relay; 2005 Montréal SWI bronze: 4×200 m freestyle relay | |
| Amber Stachowski | WPO | Olympics | 2004 | 1–0–0 2003 Barcelona WAP gold | |
| Hagen Stamm | WPO | Olympics / Coach | 1984—2008 | 0–0–1 1982 Guayaquil WAP bronze (competed for West Germany) | |
| Mike Stamm | SWM | Olympics | 1972 | 1–1–0 1973 Belgrade SWI gold: 4×100 m medley relay, silver: 100 m backstroke | |
| Przemysław Stańczyk | SWM | Olympics | 2004—2008 | 1–0–0 2007 Melbourne SWI gold: 800 m freestyle | |
| Claudia Stănescu | SWM | Olympics | 1992 | 0–0–0 1991 Perth bronze: 4×50 m freestyle relay (demonstration event) | |
| Benjamin Starke | SWM | Olympics | 2008—2012 | 0–1–1 2009 Roma SWI silver: 4×100 m medley relay; 2011 Shanghai SWI bronze: 4×100 m medley relay | |
| Petra van Staveren | SWM | Olympics | 1984 | 0–0–1 1986 Madrid SWI bronze: 4×100 m medley relay | |
| Antonello Steardo | WPO | Olympics | 1980—1988 | 0–1–0 1986 Madrid WAP silver | |
| Marrit Steenbergen | SWM | Olympics | 2016—2024 | 0–2–0 2015 Kazan SWI silver: 4×100 m freestyle relay and 4×100 m freestyle mixed relay (swam in heats only) | |
| Britta Steffen | SWM | Olympics | 2000—2012 | 2–2–3 2007 Melbourne SWI silver: 4×200 m freestyle relay, bronze: 100 m freestyle; 2009 Roma SWI gold: 50 m freestyle and 100 m freestyle, silver: 4×100 m freestyle relay, bronze: 4×100 m medley relay; 2011 Shanghai SWI bronze: 4×100 m freestyle relay | |
| Jessica Steffens | WPO | Olympics | 2008—2012 | 1–0–0 2009 Roma WAP gold | |
| Maggie Steffens | WPO | Olympics | 2012—2024 | 3–0–0 2015 Kazan WAP gold; 2017 Budapest WAP gold; 2019 Gwangju WAP gold | |
| Angela Steinbach | SWM | Olympics | 1972 | 0–0–1 1973 Belgrade SWI bronze: 4×100 m freestyle relay | |
| Klaus Steinbach | SWM | Olympics / Administrator | 1972—2006 | 1–4–2 1973 Belgrade SWI bronze: 4×200 m freestyle relay; 1975 Cali SWI gold: 4×200 m freestyle relay, silver: 4×100 m freestyle relay and 4×100 m medley relay; 1978 West Berlin SWI silver: 4×100 m freestyle relay and 4×100 m medley relay, bronze: 100 m freestyle | |
| Ádám Steinmetz | WPO | Olympics | 2004—2012 | 0–1–0 2005 Montréal WAP silver | |
| Barnabás Steinmetz | WPO | Olympics | 2000—2004 | 1–1–0 1998 Perth WAP silver; 2003 Barcelona WAP gold | |
| Manuela Stellmach | SWM | Olympics | 1988—1992 | 4–2–1 1986 Madrid SWI gold: 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay (swam in heats only), silver: 200 m freestyle (competed for East Germany); 1991 Perth SWI gold: 4×200 m freestyle relay, silver: 4×100 m freestyle relay, bronze: 4×100 m medley relay (competed for Germany) | |
| Jill Sterkel | SWM | Olympics | 1976—1988 | 1–2–2 1978 West Berlin SWI gold: 4×100 m freestyle relay; 1982 Guayaquil SWI silver: 4×100 m freestyle relay and 4×100 m medley relay, bronze: 100 m freestyle; 1986 Madrid WAP bronze | |
| Christin Steuer | DIV | Olympics | 2004—2012 | 0–0–2 2007 Melbourne DIV bronze: platform; 2011 Shanghai DIV bronze: synchronized platform | |
| Craig Stevens | SWM | Olympics | 2004—2008 | 1–1–0 2003 Barcelona SWI gold: 4×200 m freestyle relay; 2007 Melbourne SWI silver: 800 m freestyle | |
| Mark Stevens | SWM | Olympics | 1996—2000 | 0–0–1 1998 Perth SWI bronze: 4×200 m freestyle relay (swam in heats only) | |
| Evan Stewart | DIV | Olympics | 1992—2000 | 1–0–0 1994 Roma DIV gold: 1 m springboard | |
| Mel Stewart | SWM | Olympics | 1988—1992 | 1–1–0 1991 Perth SWI gold: 200 m butterfly, silver: 4×200 m freestyle relay | |
| Mercédesz Stieber | WPO | Olympics | 2004—2008 | 2–1–0 1994 Roma WAP gold; 2001 Fukuoka WAP silver; 2005 Montréal WAP gold | |
| Hannah Stockbauer | SWM | Olympics | 2000—2004 | 5–1–1 2001 Fukuoka SWI gold: 800 m freestyle and 1500 m freestyle, silver: 4×200 m freestyle relay, bronze: 400 m freestyle; 2003 Barcelona SWI gold: 400 m freestyle, 800 m freestyle, and 1500 m freestyle | |
| Hayden Stoeckel | SWM | Olympics | 2008—2012 | 1–1–0 2007 Melbourne SWI gold: 4×100 m medley relay (swam in heats only); 2011 Shanghai SWI silver: 4×100 m medley relay | |
| Lutz Stoklasa | SWM | Olympics | 1968—1972 | 0–1–0 1975 Cali SWI silver: 4×100 m medley relay (swam in heats only) | |
| Kyle Stolk | SWM | Olympics / YOG | 2014—2016 | 0–2–0 2015 Kazan SWI silver: 4×100 m freestyle mixed relay (swam in heats only); 2017 Budapest SWI silver: 4×100 m freestyle mixed relay | |
| Clementine Stoney | SWM | Olympics | 2000 | 1–0–0 2001 Fukuoka gold: 4×100 m medley relay (swam in heats only) | |
| Petar Stoychev | OWS/SWM | Olympics / Opening Flagbearer | 2000—2012 | 1–0–3 2003 Barcelona SWI bronze: 25 km open water; 2005 Montréal SWI bronze: 10 km open water and 25 km open water; 2011 Shanghai SWI gold: 25 km open water | |
| Rod Strachan | SWM | Olympics | 1976 | 0–1–0 1973 Belgrade SWI silver: 400 m medley | |
| Vyacheslav Strakhov | DIV | Olympics | 1972—1976 | 0–0–1 1975 Cali DIV bronze: 3 m springboard | |
| Sharleen Stratton | DIV | Olympics | 2008—2012 | 0–0–2 2007 Melbourne DIV bronze: synchronized springboard; 2011 Shanghai DIV bronze: synchronized springboard | |
| Astrid Strauß | SWM | Olympics | 1988 | 2–1–0 1986 Madrid SWI gold: 800 m freestyle and 4×200 m freestyle relay, silver: 400 m freestyle | |
| Jérémy Stravius | SWM | Olympics | 2012—2016 | 4–3–1 2011 Shanghai SWI gold: 100 m backstroke, silver: 4×100 m freestyle relay and 4×200 m freestyle relay; 2013 Barcelona SWI gold: 4×100 m freestyle relay and 4×100 m medley relay, silver: 50 m backstroke, bronze: 100 m backstroke; 2015 Kazan SWI gold: 4×100 m freestyle relay | |
| Ivar Stukolkin | SWM | Olympics | 1980 | 0–2–0 1978 West Berlin SWI silver: 4×200 m freestyle relay (swam in heats only); 1982 Guayaquil SWI silver: 4×200 m freestyle relay | |
| Albert Subirats | SWM | Olympics | 2004—2016 | 0–0–1 2007 Melbourne SWI bronze: 100 m butterfly | |
| Vaso Subotić | WPO | Olympics | 1996 | 1–0–0 1991 Perth WAP gold (competed for Yugoslavia) | |
| Nora Subschinski | DIV | Olympics | 2004—2016 | 0–0–2 2007 Melbourne DIV bronze: synchronized platform; 2011 Shanghai DIV bronze: synchronized platform | |
| Attila Sudár | WPO | Olympics | 1976—1980 | 0–2–0 1978 West Berlin WAP silver; 1982 Guayaquil WAP silver | |
| Jill Sudduth | SWA | Olympics | 1996 | 2–0–0 1994 Roma SYN gold: duet; 1994 Roma SYN gold: team | |
| Aleksandr Sukhorukov | SWM | Olympics | 2008—2016 | 0–4–1 2009 Roma SWI silver: 4×100 m freestyle relay and 4×200 m freestyle relay; 2013 Barcelona SWI silver: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay (swam in heats only); 2015 Kazan SWI silver: 4×100 m freestyle relay | |
| Sandro Sukno | WPO | Olympics | 2012—2016 | 1–1–3 2009 Roma WAP bronze; 2011 Shanghai WAP bronze; 2013 Barcelona WAP bronze; 2015 Kazan WAP silver; 2017 Budapest WAP gold | |
| Eamon Sullivan | SWM | Olympics | 2004—2012 | 2–0–1 2007 Melbourne SWI gold: 4×100 m medley relay, bronze: 100 m freestyle; 2011 Shanghai SWI gold: 4×100 m freestyle relay | |
| Sun Huizi | WPO | Olympics | 2008—2012 | 0–1–0 2011 Shanghai WAP silver | |
| Sun Meichen | SWM | Olympics | 2016 | 2–0–0 2017 Budapest SWI gold: 200 m freestyle and 400 m freestyle | |
| Sun Shuwei | DIV | Olympics | 1992 | 2–1–0 1991 Perth DIV gold: platform; 1994 Roma DIV silver: platform; 1998 Perth DIV gold: synchronized platform | |
| Sun Wenyan | SWA | Olympics | 2012—2020 | 0–13–2 ; 2011 Shanghai SYN bronze: solo Free; 2015 Kazan SYN silver: duet Technical, duet Free, team Technical, team Free, and team Free Routine Combination, bronze: solo Technical; 2019 Gwangju SYN silver: duet Technical, duet Free, team Technical, team Free, and team Free Routine Combination | |
| Sun Yang | SWM | Olympics | 2008—2016 | 9–2–3 2009 Roma SWI bronze: 1500 m freestyle; 2011 Shanghai SWI gold: 800 m freestyle and 1500 m freestyle, silver: 400 m freestyle, bronze: 4×200 m freestyle relay; 2013 Barcelona SWI gold: 400 m freestyle, 800 m freestyle, and 1500 m freestyle, bronze: 4×200 m freestyle relay; 2015 Kazan SWI gold: 400 m freestyle and 800 m freestyle, silver: 200 m freestyle; 2019 Gwangju SWI gold: 200 m freestyle and 400 m freestyle | |
| Sun Yating | WPO | Olympics | 2008—2016 | 0–1–0 2011 Shanghai WAP silver | |
| Sun Ye | SWM | Olympics | 2008—2012 | 0–1–0 2011 Shanghai SWI silver: 4×100 m medley relay (swam in heats only) | |
| Sun Yujun | WPO | Olympics | 2008—2012 | 0–1–0 2011 Shanghai WAP silver | |
| Emiko Suzuki | SWA | Olympics | 2004—2008 | 1–6–4 2001 Fukuoka SYN silver: team; 2003 Barcelona SYN gold: team Free Routine Combination, silver: team; 2005 Montréal SYN silver: team and team Free Routine Combination, bronze: duet; 2007 Melbourne SYN silver: team Technical and team Free Routine Combination, bronze: duet Technical, duet Free, and team Free | |
| Jan Świtkowski | SWM | Olympics | 2016 | 0–0–1 2015 Kazan SWI bronze: 200 m butterfly | |
| Kseniya Sydorenko | SWA | Olympics | 2008—2020 | 0–1–1 2017 Budapest SYN silver: team Free Routine Combination, bronze: team Free | |
| Denys Sylantiev | SWM | Olympics / Opening Flagbearer | 1996—2008 | 1–0–0 1998 Perth SWI gold: 200 m butterfly | |
| József Szabó | SWM | Olympics | 1988 | 1–0–0 1986 Madrid SWI gold: 200 m breaststroke | |
| Tünde Szabó | SWM | Olympics | 1992 | 0–1–0 1991 Perth SWI silver: 100 m backstroke | |
| Zoltán Szécsi | WPO | Olympics | 2000—2012 | 1–2–0 2003 Barcelona WAP gold; 2005 Montréal WAP silver; 2007 Melbourne WAP silver | |
| Andreas Szigat | SWM | Olympics | 1992 | 0–0–1 1994 Roma SWI bronze: 4×200 m freestyle relay | |
| István Szívós, Jr. | WPO | Olympics | 1968—1980 | 1–2–0 1973 Belgrade WAP gold; 1975 Cali WAP silver; 1978 West Berlin WAP silver | |
| Márton Szivós | WPO | Olympics | 2012—2016 | 1–2–0 2005 Montréal WAP silver; 2007 Melbourne WAP silver; 2013 Barcelona WAP gold | |
| Krisztina Szremkó | WPO | Olympics | 2004—2008 | 1–1–0 1994 Roma WAP gold; 2001 Fukuoka WAP silver | |
| Gabriella Szűcs | WPO | Olympics | 2012—2020 | 0–0–1 2013 Barcelona WAP bronze | |
| Chiara Tabani | WPO | Olympics | 2016—2024 | 0–0–1 2015 Kazan WAP bronze | |
| Masako Tachibana | SWA | Olympics | 2008 | 0–4–1 2005 Montréal SYN silver: team and team Free Routine Combination; 2007 Melbourne SYN silver: team Technical and team Free Routine Combination, bronze: team Free | |
| Miya Tachibana | SWA | Olympics | 1996—2004 | 1–4–3 1994 Roma SYN silver: duet, bronze: team; 1998 Perth SYN silver: duet and team, bronze: solo; 2001 Fukuoka SYN gold: duet, bronze: solo; 2003 Barcelona SYN silver: duet | |
| Nobutaka Taguchi | SWM | Olympics | 1968—1976 | 0–1–2 1973 Belgrade SWI bronze: 100 m breaststroke and 200 m breaststroke; 1975 Cali SWI silver: 100 m breaststroke | |
| Roger Tahull | WPO | Olympics | 2016—2024 | 0–1–0 2019 Gwangju WAP silver | |
| Yasuko Tajima | SWM | Olympics | 2000 | 0–0–1 1998 Perth SWI bronze: 400 m medley | |
| Orsolya Takács | WPO | Olympics | 2008—2016 | 1–0–1 2005 Montréal WAP gold; 2013 Barcelona WAP bronze | |
| Kaori Takahashi | SWA | Olympics | 1996 | 0–0–1 1994 Roma SYN bronze: team | |
| Aki Takayama | SWA | Olympics | 1992 | 0–1–2 1986 Madrid SYN bronze: team; 1991 Perth SYN silver: duet, bronze: team | |
| Miho Takeda | SWA | Olympics | 1996—2004 | 1–5–1 1994 Roma SYN bronze: team; 1998 Perth SYN silver: duet and team; 2001 Fukuoka SYN gold: duet, silver: team; 2003 Barcelona SYN silver: duet and team | |
| Tan Liangde | DIV | Olympics | 1984—1992 | 0–2–0 1986 Madrid DIV silver: 3 m springboard; 1991 Perth DIV silver: 3 m springboard | |
| Tan Shuping | DIV | Olympics | 1992—1996 | 1–1–0 1994 Roma DIV gold: 3 m springboard, silver: 1 m springboard | |
| Masami Tanaka | SWM | Olympics | 1996—2004 | 0–0–1 1998 Perth SWI bronze: 4×100 m medley relay | |
| Miyako Tanaka | SWA | Olympics | 1988 | 0–0–1 1986 Madrid SYN bronze: team | |
| Liam Tancock | SWM | Olympics | 2008—2012 | 2–0–3 2005 Montréal SWI bronze: 50 m backstroke; 2007 Melbourne SWI bronze: 50 m backstroke and 100 m backstroke; 2009 Roma SWI gold: 50 m backstroke; 2011 Shanghai SWI gold: 50 m backstroke | |
| Uğur Taner | SWM | Olympics | 1992 | 1–0–0 1994 Roma SWI gold: 4×100 m freestyle relay (competed for the United States) | |
| Tang Jingzhi | SWM | Olympics | 2008 | 0–0–1 2005 Montréal SWI bronze: 4×200 m freestyle relay (swam in heats only) | |
| Tang Mengni | SWA | Olympics | 2016 | 1–6–0 2015 Kazan SYN silver: team Technical, team Free, and team Free Routine Combination; 2017 Budapest SYN gold: team Free Routine Combination, silver: team Technical and team Free; 2019 Gwangju SYN silver: team Free Routine Combination | |
| Tang Yi | SWM | Olympics / YOG | 2008—2016 | 0–1–1 2011 Shanghai SWI silver: 4×100 m medley relay, bronze: 4×200 m freestyle relay | |
| Yekaterina Tankeyeva | WPO | Olympics | 2012 | 0–0–1 2011 Shanghai WAP bronze | |
| Ashley Tappin | SWM | Olympics | 1992—2000 | 1–1–1 1991 Perth SWI gold: 4×100 m freestyle relay (swam in heats only); 1994 Roma SWI silver: 4×100 m freestyle relay (swam in heats only), bronze: 4×200 m freestyle relay (swam in heats only) | |
| Grigory Tarasevich | SWM | Olympics | 2016—2020 | 0–0–1 2017 Budapest SWI bronze: 4×100 m medley relay (swam in heats only) | |
| Matt Targett | SWM | Olympics | 2008—2012 | 1–2–1 2009 Roma SWI silver: 50 m butterfly, bronze: 4×100 m medley relay; 2011 Shanghai SWI gold: 4×100 m freestyle relay, silver: 50 m butterfly | |
| Roser Tarragó | WPO | Olympics | 2012—2020 | 1–1–0 2013 Barcelona WAP gold; 2019 Gwangju WAP silver | |
| Davis Tarwater | SWM | Olympics | 2012 | 1–0–0 2009 Roma SWI gold: 4×200 m freestyle relay (swam in heats only) | |
| Juri Tatsumi | SWA | Olympics | 2000—2004 | 1–2–0 2001 Fukuoka SYN silver: team; 2003 Barcelona SYN gold: team Free Routine Combination, silver: team | |
| Ulrike Tauber | SWM | Olympics | 1976—1980 | 1–2–1 1975 Cali SWI gold: 400 m medley, silver: 200 m medley; 1978 West Berlin SWI silver: 400 m medley, bronze: 200 m medley | |
| Veniamin Tayanovich | SWM | Olympics | 1992 | 0–2–1 1986 Madrid SWI silver: 4×100 m freestyle relay (swam in heats only) (competed for the Soviet Union); 1991 Perth SWI silver: 4×100 m medley relay, bronze: 4×100 m freestyle relay (competed for the Soviet Union) | |
| Leon Taylor | DIV | Olympics | 1996—2004 | 0–0–1 2005 Montréal DIV bronze: synchronized platform | |
| Laura Teani | WPO | Olympics | 2016 | 0–0–1 2015 Kazan WAP bronze | |
| André Teixeira | SWM | Olympics | 1992—1996 | 0–0–1 1994 Roma SWI bronze: 4×100 m freestyle relay | |
| Stefano Tempesti | WPO | Olympics | 2000—2016 | 1–1–0 2003 Barcelona WAP silver; 2011 Shanghai WAP gold | |
| Riccardo Tempestini | WPO | Olympics | 1988 | 0–1–0 1986 Madrid WAP silver | |
| Teng Fei | WPO | Olympics | 2008—2012 | 0–1–0 2011 Shanghai WAP silver | |
| Aya Terakawa | SWM | Olympics | 2004—2012 | 0–1–2 2011 Shanghai SWI silver: 50 m backstroke; 2013 Barcelona SWI bronze: 50 m backstroke and 100 m backstroke | |
| Ken Terauchi | DIV | Olympics | 1996—2020 | 0–0–1 2001 Fukuoka DIV bronze: 3 m springboard | |
| Cristina Teuscher | SWM | Olympics | 1996—2000 | 1–2–1 1994 Roma SWI silver: 400 m freestyle, bronze: 4×200 m freestyle relay; 1998 Perth SWI silver: 4×200 m freestyle relay; 2001 Fukuoka SWI gold: 4×200 m freestyle relay | |
| Mark Tewksbury | SWM | Olympics | 1988—1992 | 0–1–0 1991 Perth SWI silver: 50 m backstroke (demonstration event) and 100 m backstroke | |
| Stev Theloke | SWM | Olympics | 1996—2000 | 0–0–1 1998 Perth SWI bronze: 100 m backstroke | |
| Argyris Theodoropoulos | WPO | Olympics | 2004—2012 | 0–0–1 2005 Montréal WAP bronze | |
| Margot Thien | SWA | Olympics | 1996 | 1–0–0 1994 Roma SYN gold: team | |
| Nick Thoman | SWM | Olympics | 2012 | 1–0–0 2011 Shanghai SWI gold: 4×100 m medley relay | |
| Karine Thomas | SWA | Olympics | 2012—2016 | 0–0–2 2009 Roma SYN bronze: team Free Routine Combination; 2011 Shanghai SYN bronze: team Free Routine Combination | |
| Petria Thomas | SWM | Olympics / Closing Flagbearer | 1996—2004 | 3–2–2 1998 Perth SWI silver: 200 m butterfly and 4×100 m medley relay, bronze: 100 m butterfly and 4×200 m freestyle relay; 2001 Fukuoka SWI gold: 100 m butterfly, 200 m butterfly, and 4×100 m medley relay | |
| Jenny Thompson | SWM | Olympics | 1992—2004 | 8–5–2 1991 Perth SWI gold: 4×100 m freestyle relay and 4×100 m medley relay (swam in heats only); 1994 Roma SWI silver: 4×100 m freestyle relay and 4×100 m medley relay, bronze: 4×200 m freestyle relay; 1998 Perth SWI gold: 100 m freestyle, 100 m butterfly, 4×100 m freestyle relay, and 4×100 m medley relay, silver: 4×200 m freestyle relay; 2003 Barcelona SWI gold: 100 m butterfly and 4×100 m freestyle relay, silver: 50 m butterfly and 4×100 m medley relay, bronze: 100 m freestyle | |
| Kirsten Thomson | SWM | Olympics | 2000 | 0–1–0 2003 Barcelona SWI silver: 4×200 m freestyle relay | |
| Markus Thormeyer | SWM | Olympics | 2016—2020 | 0–0–1 2017 Budapest SWI bronze: 4×100 m freestyle mixed relay (swam in heats only) | |
| Ian Thorpe | SWM | Olympics / Closing Flagbearer | 2000—2004 | 11–1–1 1998 Perth SWI gold: 400 m freestyle and 4×200 m freestyle relay; 2001 Fukuoka SWI gold: 200 m freestyle, 400 m freestyle, 800 m freestyle, 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay; 2003 Barcelona SWI gold: 200 m freestyle, 400 m freestyle, and 4×200 m freestyle relay, silver: 200 m medley, bronze: 100 m freestyle | |
| Brianna Throssell | SWM | Olympics / YOG | 2014—2024 | 2–2–1 2017 Budapest SWI bronze: 4×100 m medley relay (swam in heats only); 2019 Gwangju SWI gold: 4×100 m freestyle relay and 4×200 m freestyle relay, silver: 4×100 m medley relay (swam in heats only) and 4×100 m freestyle mixed relay (swam in heats only) |