Host cities:
| Athlete | Nation(s) | Sport(s) | Role(s) | Era | Notes |
|---|---|---|---|---|---|
| Patryk Sokół | CSP | YOG | 2010 | 0–0–1 2013 Kazan CAN bronze: C4 1000 m | |
| Denis Sokolov | SHO | Olympics | 2012 | 1–0–1 2007 Bangkok SHO gold: 10 m air rifle team, bronze: 50 m rifle three positions team | |
| Nataliya Sokolova | ATH | Olympics | 1976 | 0–1–0 1977 Sofia ATH silver: 400 m | |
| Svetlana Sokolova | ATH | Olympics | 2004 | 0–1–0 2001 Beijing ATH silver: heptathlon | |
| Yelena Sokolova | ATH | Olympics | 2012 | 0–2–0 2007 Bangkok ATH silver: long jump; 2013 Kazan ATH silver: long jump | |
| Yelena Sokolova | SWM | Olympics | 2008—2012 | 1–2–0 2013 Kazan SWI gold: 4×100 m freestyle relay (swam in heats only), silver: 400 m freestyle and 4×200 m freestyle relay | |
| Oleksiy Sokyrskyi | ATH | Olympics | 2012 | 0–0–1 2009 Beograd ATH bronze: hammer throw | |
| Mariana Solomon | ATH | Olympics | 2004 | 0–0–1 2003 Daegu ATH bronze: triple jump | |
| Olga Solovova | VVO | Olympics | 1980 | 1–0–0 1977 Sofia VOL gold | |
| Silvia Sommaggio | ATH | Olympics | 1996—2000 | 0–1–0 1995 Fukuoka ATH silver: 5000 m | |
| Lajos Somodi, Jr. | FEN | Olympics | 1976 | 0–0–1 1973 Moskva FEN bronze: foil team | |
| Son Gap-Do | WRE | Olympics | 1984 | 0–0–1 1981 București WRE bronze: freestyle light-flyweight -48 kg | |
| Son Hui-Jeong | CRD | Olympics | 2008 | 0–2–0 2011 Shenzhen CYC silver: road race and road time trial team | |
| Son Hyeon-Mi | JUD | Olympics | 1996 | 1–0–1 1995 Fukuoka JUD gold: team, bronze: open class | |
| Son Un-Hui | GAR | Olympics | 2000 | 1–0–1 2001 Beijing GYM gold: horse vault, bronze: team | |
| Son Wan-Ho | BDM | Olympics | 2012—2016 | 1–1–0 2015 Gwangju BDM gold: team, silver: singles | |
| Son Yeon-Jae | GRY | Olympics | 2012—2016 | 3–3–0 2013 Kazan RGY silver: ball; 2015 Gwangju RGY gold: individual, ball, and hoop, silver: clubs and ribbon | |
| Wachara Sondee | ATH | Non-starter | 2008 | 1–0–0 2007 Bangkok ATH gold: 4×100 m relay | |
| Song Aimin | ATH | Olympics | 2004—2008 | 0–1–0 2005 İzmir ATH silver: discus throw | |
| Song Donglun | WPO | Olympics | 2012—2016 | 1–0–0 2011 Shenzhen WAP gold | |
| Song Jong-Hun | FEN | YOG | 2010 | 1–0–1 2015 Gwangju FEN gold: sabre, bronze: sabre team | |
| Song Xiaoyun | BKB | Olympics | 2004—2012 | 1–0–0 2003 Daegu BAS gold | |
| Rebecca Soni | SWM | Olympics | 2008—2012 | 0–2–0 2005 İzmir SWI silver: 100 m breaststroke and 200 m breaststroke | |
| Chanatip Sonkham | TKW | Olympics | 2012 | 1–0–1 2009 Beograd TKW bronze: flyweight -51 kg; 2015 Gwangju TKW gold: flyweight -49 kg | |
| Isamu Sonoda | JUD | Olympics | 1976 | 1–0–0 1967 Tokyo JUD gold: lightweight -80 kg | |
| Sonu Kyong-Sun | FBL | Olympics | 2008 | 1–0–0 2003 Daegu FTB gold | |
| Tom Sorensen | VVO | Olympics | 1996 | 0–1–0 1991 Sheffield VOL silver | |
| Yuliseny Soria | BKB | Olympics | 2000 | 0–1–0 1997 Catania BAS silver | |
| Anișoara Sorohan-Minea | ROW | Olympics | 1984—1988 | 1–0–0 1987 Zagreb ROW gold: quadruple sculls (competed as Anișoara Minea) | |
| Hanna Sorokina | DIV | Olympics / Referee | 2000—2024 | 0–2–0 2001 Beijing DIV silver: synchronized springboard and team | |
| Soronzonboldyn Battsetseg | WRE | Olympics | 2012—2020 | 1–0–0 2013 Kazan WRE gold: freestyle middleweight -63 kg | |
| Debbie Sosimenko | ATH | Olympics | 2000—2004 | 0–0–1 1997 Catania ATH bronze: hammer throw | |
| Aleksandar Šoštar | WPO | Olympics | 1988—2000 | 0–0–1 1987 Zagreb WAP bronze | |
| Kirill Sosunov | ATH | Olympics | 2000—2004 | 1–0–0 1995 Fukuoka ATH gold: long jump | |
| Yuliya Sotnikova | ATH | Olympics | 2000 | 1–0–0 1995 Fukuoka ATH gold: 4×400 m relay | |
| Sho Sotodate | SWM | Olympics | 2012 | 0–1–0 2011 Shenzhen SWI silver: 4×200 m freestyle relay | |
| Javier Sotomayor | ATH | Olympics | 1992—2000 | 1–0–0 1989 Duisburg ATH gold: high jump | |
| Koji Sotomura | GAR | Olympics | 1984 | 1–0–0 1981 București GYM gold: parallel bars | |
| Pavel Soukup | ATH | Olympics | 1996 | 0–0–1 1995 Fukuoka ATH bronze: 800 m | |
| Ndèye Fatou Soumah | ATH | Olympics | 2012 | 0–0–1 2009 Beograd ATH bronze: 4×400 m relay | |
| Gérson de Souza | ATH | Olympics | 1984—1988 | 0–0–2 1981 București ATH bronze: 400 m and 4×400 m relay | |
| Maurício Souza | VVO | Olympics | 2016—2020 | 0–0–1 2011 Shenzhen VOL bronze | |
| Sadia Sowunmi | ATH | Non-starter | 1988 | 0–0–2 1985 Kobe ATH bronze: 400 m; 1987 Zagreb ATH bronze: 4×400 m relay | |
| Ivan Sozonov | BDM | Olympics | 2012—2020 | 0–1–0 2013 Kazan BDM silver: doubles | |
| Pierpaolo Spangaro | SWM | Olympics | 1960—1964 | 0–0–1 1963 Porto Alegre SWI bronze: 4×100 m freestyle relay | |
| Ivana Španović | ATH | Olympics | 2008—2024 | 1–0–0 2009 Beograd ATH gold: long jump | |
| Anna Rita Sparaciari | FEN | Olympics | 1980 | 2–0–0 1985 Kobe FEN gold: foil team; 1987 Zagreb FEN gold: foil team | |
| Doru Spînu | WPO | Olympics | 1976—1980 | 0–0–1 1981 București WAP bronze | |
| Aleksey Spiridonov | ATH | Olympics | 1976 | 1–1–0 1973 Moskva ATH silver: hammer throw; 1975 Roma ATH gold: hammer throw | |
| Darya Spiridonova | GAR | Olympics | 2016 | 2–0–0 2017 Taipei GYM gold: uneven bars and team | |
| Hope Spivey | GAR | Olympics | 1988 | 0–1–1 1993 Buffalo GYM silver: team, bronze: horse vault (competed as Hope Sheeley) | |
| Olga Šplíchalová | SWM | Olympics | 1992—1996 | 0–0–1 1997 Catania SWI bronze: 1500 m freestyle (competed for the Czech Republic) | |
| Barbora Špotáková | ATH | Olympics / Closing Flagbearer | 2004—2020 | 1–0–0 2005 İzmir ATH gold: javelin throw | |
| Sukanya Srisurat | WLF | Olympics | 2016 | 0–1–0 2017 Taipei WLT silver: lightweight -58 kg | |
| Alina Stadnik | WRE | Olympics | 2016 | 0–0–1 2013 Kazan WRE bronze: freestyle light-heavyweight -67 kg | |
| Ecaterina Stahl-Iencic | FEN | Olympics | 1964—1980 | 1–3–0 1965 Budapest FEN silver: foil team (competed as Ecaterina Stahl); 1970 Torino FEN silver: foil and foil team (competed as Ecaterina Stahl); 1973 Moskva FEN gold: foil team (competed as Ecaterina Stahl) | |
| Reijo Ståhlberg | ATH | Olympics | 1976—1980 | 0–1–0 1979 Ciudad de México ATH silver: shot put | |
| Dawn Staley | BKB | Olympics / Coach / Opening Flagbearer | 1996—2020 | 1–0–0 1991 Sheffield BAS gold | |
| Esther Stam | JUD | Olympics | 2016 | 1–0–0 2011 Shenzhen JUD gold: half-middleweight -63 kg (competed for the Netherlands) | |
| Vanya Stambolova | ATH | Olympics | 2012 | 1–0–0 2009 Beograd ATH gold: 400 m hurdles | |
| Galina Stancheva | VVO | Non-starter | 1980 | 0–0–1 1970 Torino VOL bronze | |
| Anișoara Stanciu-Cușmir | ATH | Olympics | 1984 | 1–1–0 1981 București ATH silver: long jump; 1983 Edmonton ATH gold: long jump | |
| Przemysław Stańczyk | SWM | Olympics | 2004—2008 | 3–0–1 2005 İzmir SWI gold: 800 m freestyle; 2009 Beograd SWI gold: 400 m freestyle and 1500 m freestyle, bronze: 800 m freestyle | |
| Tomasz Stańczyk | SAL | Olympics | 2000—2004 | 1–0–0 1999 Palma de Mallorca SAI gold: 470 men | |
| Franklin Standard | BKB | Olympics | 1968—1972 | 0–0–1 1970 Torino BAS bronze | |
| Božidar Stanišić | WPO | Olympics | 1960—1964 | 1–0–0 1959 Torino WAP gold | |
| Melitina Staniuta | GRY | Olympics | 2012—2016 | 1–2–2 2013 Kazan RGY silver: hoop; 2015 Gwangju RGY gold: ribbon, silver: clubs, bronze: individual and hoop | |
| Vasily Stankovich | FEN | Olympics | 1968—1976 | 3–1–0 1970 Torino FEN gold: foil team, silver: foil; 1973 Moskva FEN gold: foil and foil team | |
| Matt Stanley | SWM | Olympics / YOG | 2010—2016 | 0–0–1 2011 Shenzhen SWI bronze: 4×100 m medley relay | |
| Krystsina Staraselets | ROW | YOG | 2014 | 0–0–1 2015 Gwangju ROW bronze: coxless pairs | |
| Dmitry Starodubtsev | ATH | Olympics | 2008—2012 | 0–0–1 2007 Bangkok ATH bronze: pole vault | |
| Agnieszka Staroń-Nagay | SHO | Olympics | 2004—2016 | 0–0–1 2007 Bangkok SHO bronze: 50 m rifle three positions | |
| Milica Starović-Novaković | CSP | Olympics | 2016—2024 | 0–0–1 2013 Kazan CAN bronze: K1 500 m | |
| Sanja Starović | VVO | Olympics | 2012 | 0–1–0 2007 Bangkok VOL silver | |
| Marcin Starzak | ATH | Olympics | 2008 | 0–0–1 2009 Beograd ATH bronze: long jump | |
| Jiří Šťastný | BKB | Olympics | 1960 | 0–0–1 1961 Sofia BAS bronze | |
| Anzhela Stasyulevich | DIV | Olympics | 1988 | 0–1–0 1987 Zagreb DIV silver: platform | |
| Boris Stavrev | FEN | Olympics | 1960—1972 | 0–0–1 1961 Sofia FEN bronze: sabre team | |
| Jim Steacy | ATH | Olympics | 2008—2012 | 0–1–0 2009 Beograd ATH silver: hammer throw | |
| Dick Steane | ATH | Olympics | 1968 | 1–1–0 1963 Porto Alegre ATH gold: 4×400 m relay, silver: 200 m | |
| Renate Stecher | ATH | Olympics / Closing Flagbearer | 1972—1976 | 2–0–0 1970 Torino ATH gold: 100 m and 200 m (competed as Renate Meißner) | |
| Katy Steding | BKB | Olympics | 1996 | 1–0–0 1991 Sheffield BAS gold | |
| Darrin Steele | BOB | Olympics | 1998—2002 | 0–0–1 1993 Buffalo ATH bronze: decathlon | |
| Dave Steen | ATH | Olympics | 1984—1988 | 1–0–0 1983 Edmonton ATH gold: decathlon | |
| Claudia Ștef | ATH | Olympics | 2012—2016 | 1–0–0 1999 Palma de Mallorca ATH gold: 10 km (competed as Claudia Iovan) | |
| Gheorghiță Ștefan | WRE | Olympics | 2008 | 1–0–0 2013 Kazan WRE gold: freestyle light-heavyweight -84 kg | |
| Gertrúd Stefanek | FEN | Olympics | 1980—1992 | 0–0–1 1981 București FEN bronze: foil team | |
| Mircea Ștefănescu | WPO | Olympics | 1960—1964 | 0–0–1 1965 Budapest WAP bronze | |
| Aikaterini Stefanidi | ATH | Olympics / Closing Flagbearer | 2012—2024 | 0–0–1 2011 Shenzhen ATH bronze: pole vault | |
| Milutin Stefanović | SHO | Olympics | 2016—2020 | 0–0–1 2013 Kazan SHO bronze: 50 m rifle three positions team | |
| Kelly Stefanyshyn | SWM | Olympics | 2000 | 0–0–1 2007 Bangkok SWI bronze: 4×100 m medley relay | |
| Benjamin Steffen | FEN | Olympics | 2016—2020 | 2–1–1 2001 Beijing FEN bronze: épée team; 2003 Daegu FEN silver: épée; 2009 Beograd FEN gold: épée and épée team | |
| Britta Steffen | SWM | Olympics | 2000—2012 | 2–0–1 2007 Bangkok SWI gold: 50 m freestyle and 100 m freestyle, bronze: 4×100 m freestyle relay | |
| Pavlína Štefková | VVO | Olympics | 1968 | 0–0–1 1965 Budapest VOL bronze | |
| Marc-Konstantin Steifensand | FEN | Olympics | 2000 | 1–0–1 1989 Duisburg FEN bronze: épée team (competed for West Germany); 1991 Sheffield FEN gold: épée team | |
| Mona Steigauf | ATH | Olympics | 1996 | 1–1–0 1995 Fukuoka ATH silver: heptathlon; 1997 Catania ATH gold: heptathlon | |
| Felix Steiger | SAL | Olympics | 2008 | 0–0–1 2005 İzmir SAI bronze: 470 men | |
| Boris Steimetz | SWM | Olympics | 2008 | 0–1–2 2009 Beograd SWI silver: 50 m freestyle, bronze: 4×100 m freestyle relay and 4×100 m medley relay | |
| Klaus Steinbach | SWM | Olympics / Administrator | 1972—2006 | 0–0–1 1977 Sofia SWI bronze: 100 m freestyle | |
| Jördis Steinegger | SWM | Olympics | 2008—2016 | 0–0–2 2007 Bangkok SWI bronze: 400 m freestyle; 2011 Shenzhen SWI bronze: 400 m medley | |
| Michel Steininger | FEN | Olympics | 1960—1968 | 0–2–0 1959 Torino FEN silver: épée; 1963 Porto Alegre FEN silver: épée | |
| Dieter Steinmann | ATH | Olympics | 1976 | 0–0–1 1975 Roma ATH bronze: 4×100 m relay | |
| Ádám Steinmetz | WPO | Olympics | 2004—2012 | 1–0–2 1999 Palma de Mallorca WAP bronze; 2001 Beijing WAP bronze; 2003 Daegu WAP gold | |
| Barnabás Steinmetz | WPO | Olympics | 2000—2004 | 0–1–0 1995 Fukuoka WAP silver | |
| Nenad Stekić | ATH | Olympics | 1976—1984 | 1–1–0 1975 Roma ATH silver: long jump; 1977 Sofia ATH gold: long jump | |
| Andrzej Stelmach | VVO | Olympics | 1996—2004 | 0–1–0 1993 Buffalo VOL silver | |
| Krzysztof Stelmach | VVO | Olympics | 1996 | 0–1–0 1993 Buffalo VOL silver | |
| Dar'ia Stepaniuk | SWM | Olympics | 2008—2016 | 0–2–0 2011 Shenzhen SWI silver: 50 m freestyle and 100 m freestyle | |
| Inna Stepanova | ARC | Olympics | 2012—2016 | 0–0–2 2015 Gwangju ARC bronze: recurve team and recurve mixed team | |
| Oleq Stepko | GAR | Olympics / YOG | 2010—2016 | 0–1–1 2013 Kazan GYM silver: team, bronze: pommelled horse (competed as Oleh Stepko for Ukraine) | |
| Mieke Sterk | ATH | Olympics | 1968 | 0–0–1 1970 Torino ATH bronze: pentathlon | |
| Jill Sterkel | SWM | Olympics | 1976—1988 | 5–0–0 1981 București SWI gold: 100 m freestyle, 200 m freestyle, 100 m butterfly, 4×100 m freestyle relay, and 4×100 m medley relay | |
| Mark Stevens | SWM | Olympics | 1996—2000 | 0–0–1 1995 Fukuoka SWI bronze: 4×100 m freestyle relay | |
| Patrick Stevens | ATH | Olympics | 1988—1996 | 0–0–2 1991 Sheffield ATH bronze: 200 m and 4×100 m relay | |
| Rochelle Stevens | ATH | Olympics | 1992—1996 | 1–0–0 1987 Zagreb ATH gold: 4×400 m relay | |
| Alex Stieda | CTR | Olympics | 1984 | 0–0–1 1983 Edmonton CYC bronze: 4000 m individual pursuit | |
| Vladimir Štimac | BKB | Olympics | 2016 | 1–0–0 2011 Shenzhen BAS gold | |
| Valcho Stoev | ATH | Olympics | 1980 | 1–0–1 1975 Roma ATH bronze: shot put; 1977 Sofia ATH gold: shot put | |
| Daniel Stoian | CSP | Olympics | 1988—1996 | 1–1–0 1987 Zagreb CAN gold: K2 500 m, silver: K2 1000 m | |
| Monica Stoian | ATH | Olympics | 2008 | 0–1–0 2007 Bangkok ATH silver: javelin throw | |
| Nicu Stoian | VVO | Olympics | 1980 | 1–0–0 1981 București VOL gold | |
| Eufemija Štorga | ATH | Olympics | 2000 | 0–1–0 1999 Palma de Mallorca ATH silver: javelin throw | |
| Boryana Stoyanova | GAR | Olympics | 1988 | 0–0–1 1965 Budapest GYM bronze: team | |
| Elena Stoyanova | ATH | Olympics | 1972—1980 | 2–1–0 1973 Moskva ATH silver: shot put; 1975 Roma ATH gold: shot put; 1977 Sofia ATH gold: shot put | |
| Vyacheslav Strakhov | DIV | Olympics | 1972—1976 | 1–0–0 1973 Moskva DIV gold: 3 m springboard | |
| Mona-Lisa Strandvall-Pursiainen | ATH | Olympics | 1972—1976 | 2–2–0 1973 Moskva ATH gold: 100 m and 200 m (competed as Mona-Lisa Pursiainen); 1975 Roma ATH silver: 100 m and 200 m (competed as Mona-Lisa Pursiainen) | |
| Danuta Straszyńska | ATH | Olympics | 1968—1972 | 1–1–0 1965 Budapest ATH gold: 80 m hurdles, silver: 4×100 m relay | |
| Kareem Streete-Thompson | ATH | Olympics / Opening Flagbearer | 1992—2004 | 1–0–0 1993 Buffalo ATH gold: long jump (competed for the United States) | |
| Andy Strenk | SWM | Olympics | 1968 | 3–1–0 1967 Tokyo SWI silver: 1500 m freestyle; 1970 Torino SWI gold: 400 m freestyle, 1500 m freestyle, and 4×200 m freestyle relay | |
| Ivan Stretovich | GAR | Olympics | 2016 | 0–2–2 2017 Taipei GYM silver: all-around and parallel bars, bronze: horizontal bar and team | |
| Luisa Striani | SWM | Olympics | 2000 | 0–3–1 1997 Catania SWI silver: 4×100 m freestyle relay, bronze: 4×200 m freestyle relay; 1999 Palma de Mallorca SWI silver: 4×100 m freestyle relay and 4×200 m freestyle relay | |
| Ellen Strophal-Streidt | ATH | Olympics / Non-starter | 1972—1980 | 0–0–3 1973 Moskva ATH bronze: 100 m, 200 m, and 4×100 m relay (competed as Ellen Strophal) | |
| Bärbel Struppert | ATH | Olympics | 1972 | 0–0–1 1973 Moskva ATH bronze: 4×100 m relay | |
| Marius Strzalka | FEN | Olympics | 1980—1996 | 0–1–0 1983 Edmonton FEN silver: épée team (competed as Mariusz Strzalka for Poland) | |
| Louise Stuart | ATH | Olympics | 1988 | 0–1–0 1991 Sheffield ATH silver: 4×100 m relay | |
| Marian Stuart | SWM | Olympics | 1972 | 1–0–0 1977 Sofia SWI gold: 100 m breaststroke | |
| Dörte Stüdemann | VVO | Olympics | 1988 | 0–0–1 1987 Zagreb VOL bronze | |
| Klavdiya Studennikova | SWM | Olympics | 1976 | 1–1–0 1977 Sofia SWI gold: 100 m backstroke, silver: 4×100 m medley relay | |
| Judit Stugner | ATH | Olympics | 1964—1968 | 0–1–0 1965 Budapest ATH silver: discus throw | |
| Dmitry Stukalov | ATH | Olympics | 1976 | 1–0–1 1970 Torino ATH bronze: 400 m hurdles; 1973 Moskva ATH gold: 400 m hurdles | |
| Mike Stulce | ATH | Olympics | 1992 | 0–1–0 1989 Duisburg ATH silver: shot put | |
| Khrystyna Stuy | ATH | Olympics / Non-starter | 2008—2016 | 1–1–0 2011 Shenzhen ATH gold: 4×100 m relay, silver: 100 m | |
| Yury Styopkin | JUD | Olympics | 2000 | 1–0–1 1995 Fukuoka JUD gold: half-heavyweight -95 kg; 1999 Palma de Mallorca JUD bronze: half-heavyweight -100 kg | |
| Su Bingtian | ATH | Olympics / Torch Bearer / Closing Flagbearer | 2012—2022 | 0–0–1 2011 Shenzhen ATH bronze: 100 m | |
| Su Li-Wen | TKW | Olympics | 2008 | 1–0–0 2007 Bangkok TKW gold: lightweight -63 kg | |
| Su Wanwen | FEN | Olympics | 2008 | 1–0–0 2003 Daegu FEN gold: foil team | |
| Su Yiping | ATH | Olympics | 2004 | 1–0–0 2001 Beijing ATH gold: 100 m hurdles | |
| Su Yuling | SHO | Olympics | 2012 | 0–0–2 2013 Kazan SHO bronze: 10 m air pistol and 25 m sporting pistol team | |
| Casimiro Suárez | GAR | Olympics | 1980 | 1–0–0 1985 Kobe GYM gold: horse vault | |
| Giovanni Suarez | ROW | Olympics | 1984—1992 | 1–1–0 1987 Zagreb ROW silver: coxed fours; 1989 Duisburg ROW gold: eights | |
| Succar | BKB | Olympics | 1960—1968 | 1–0–0 1963 Porto Alegre BAS gold | |
| Ida Such | ATH | Olympics | 1964 | 0–0–1 1965 Budapest ATH bronze: 4×100 m relay | |
| François Suchanecki | FEN | Olympics / Non-starter | 1972—1988 | 0–0–1 1977 Sofia FEN bronze: épée | |
| Ioan Suciu | GAR | Olympics | 2000—2004 | 2–2–1 1997 Catania GYM gold: pommelled horse, silver: floor and horse vault, bronze: team; 2001 Beijing GYM gold: pommelled horse | |
| Taimara Suero | BKB | Olympics | 2000 | 0–1–0 1997 Catania BAS silver | |
| Risa Sugawara | GAR | Olympics | 1996 | 2–1–2 1997 Catania GYM gold: floor and balance beam, silver: uneven bars, bronze: all-around and team | |
| Tommy Sugiarto | BDM | Olympics | 2016 | 0–0–1 2007 Bangkok BDM bronze: team | |
| Aiko Sugihara | GAR | Olympics | 2016—2020 | 1–1–0 2019 Napoli GYM gold: team, silver: floor | |
| Mika Sugimoto | JUD | Olympics | 2012 | 2–1–1 2003 Daegu JUD gold: team, silver: open class; 2007 Bangkok JUD gold: team, bronze: heavyweight +78 kg | |
| Tatsuo Sugimoto | ATH | Olympics | 1992 | 0–1–0 1993 Buffalo ATH silver: 4×100 m relay | |
| Kuniyoshi Sugioka | ATH | Olympics | 1960—1972 | 0–0–1 1965 Budapest ATH bronze: high jump | |
| Akemi Sugiyama | VVO | Olympics | 1988 | 1–0–0 1985 Kobe VOL gold | |
| Ari Suhonen | ATH | Olympics | 1988 | 1–0–0 1989 Duisburg ATH gold: 800 m | |
| Sui Feifei | BKB | Olympics | 2004—2008 | 1–1–0 2001 Beijing BAS silver; 2003 Daegu BAS gold | |
| Slavica Šuka | BKB | Olympics | 1984 | 0–0–2 1983 Edmonton BAS bronze; 1985 Kobe BAS bronze | |
| Olga Sukharnova | BKB | Olympics | 1976—1980 | 3–0–0 1973 Moskva BAS gold; 1977 Sofia BAS gold; 1981 București BAS gold | |
| Aleksandr Sukhorukov | SWM | Olympics | 2008—2016 | 2–0–0 2013 Kazan SWI gold: 4×100 m freestyle relay (swam in heats only) and 4×200 m freestyle relay | |
| Jevgenijus Šuklinas | CSP | Olympics / Closing Flagbearer | 2012 | 2–0–0 2013 Kazan CAN gold: C1 200 m and C1 500 m | |
| Teresa Sukniewicz | ATH | Olympics | 1968 | 1–0–0 1970 Torino ATH gold: 100 m hurdles | |
| Irina Sumnikova | BKB | Olympics | 1988—2000 | 0–1–0 1987 Zagreb BAS silver (competed for the Soviet Union) | |
| Sarat Sumpradit | WLF | Olympics | 2016 | 0–0–1 2017 Taipei WLT bronze: middle-heavyweight -94 kg | |
| Sun Fuming | JUD | Olympics | 1996—2004 | 0–0–1 1995 Fukuoka JUD bronze: open class | |
| Sun Hongyun | FEN | Olympics | 1988 | 0–0–1 1989 Duisburg FEN bronze: foil team | |
| Sun Huizi | WPO | Olympics | 2008—2012 | 1–0–0 2009 Beograd WAP gold | |
| Sun Jun | BKB | Olympics | 1992—2000 | 0–0–1 1993 Buffalo BAS bronze | |
| Sun Qingmei | FBL | Olympics | 1996 | 1–0–0 1993 Buffalo FTB gold | |
| Sun Wen | FBL | Olympics | 1996—2000 | 1–0–0 1993 Buffalo FTB gold | |
| Sun Yating | WPO | Olympics | 2008—2016 | 2–0–0 2009 Beograd WAP gold; 2011 Shenzhen WAP gold | |
| Sun Ye | SWM | Olympics | 2008—2012 | 3–0–0 2011 Shenzhen SWI gold: 100 m breaststroke, 200 m breaststroke, and 4×100 m medley relay | |
| Sun Yiwen | FEN | Olympics | 2016—2024 | 0–1–0 2013 Kazan FEN silver: épée | |
| Sun Yujun | WPO | Olympics | 2008—2012 | 2–0–0 2009 Beograd WAP gold; 2011 Shenzhen WAP gold | |
| Ivan Sunara | BKB | Olympics | 1984 | 0–1–0 1983 Edmonton BAS silver | |
| Zoltán Supola | GAR | Olympics | 1992—2000 | 1–0–0 1995 Fukuoka GYM gold: pommelled horse | |
| Andrzej Supron | WRE | Olympics / Referee | 1972—2004 | 0–0–1 1977 Sofia WRE bronze: Greco-Roman lightweight -68 kg | |
| Tina Šutej | ATH | Olympics | 2012—2024 | 0–1–0 2011 Shenzhen ATH silver: pole vault | |
| Ussadate Sutthikunkarn | TKW | Olympics | 2004 | 0–1–0 2007 Bangkok TKW silver: flyweight -58 kg | |
| Nataliya Sutyagina | SWM | Olympics | 2000—2008 | 0–1–1 2001 Beijing SWI silver: 100 m butterfly, bronze: 4×100 m medley relay | |
| Sompote Suwannarangsri | ATH | Olympics | 2008 | 1–0–0 2007 Bangkok ATH gold: 4×100 m relay | |
| Sittichai Suwonprateep | ATH | Olympics | 2000—2008 | 1–0–0 2007 Bangkok ATH gold: 4×100 m relay | |
| Ayuko Suzuki | ATH | Olympics | 2016—2020 | 1–1–0 2013 Kazan ATH gold: 10000 m, silver: 5000 m | |
| Daichi Suzuki | SWM | Olympics | 1984—1988 | 2–1–0 1987 Zagreb SWI gold: 100 m backstroke and 200 m backstroke, silver: 4×100 m medley relay | |
| Hisatsugu Suzuki | ATH | Olympics | 1992 | 0–1–0 1993 Buffalo ATH silver: 4×100 m relay | |
| Keiji Suzuki | JUD | Olympics | 2004—2008 | 1–0–0 2001 Beijing JUD gold: half-heavyweight -100 kg | |
| Satomi Suzuki | SWM | Olympics | 2012—2024 | 0–0–3 2011 Shenzhen SWI bronze: 100 m breaststroke, 200 m breaststroke, and 4×100 m medley relay | |
| Rostyslav Svanidze | SWM | Olympics | 1996—2000 | 1–1–0 1991 Sheffield SWI gold: 4×200 m freestyle relay (competed for the Soviet Union); 1999 Palma de Mallorca SWI silver: 4×200 m freestyle relay | |
| Nereo Svara | ATH | Olympics | 1960 | 0–1–0 1959 Torino ATH silver: 110 m hurdles | |
| Konstantin Svechkar | ATH | Non-starter | 2008 | 0–0–1 2005 İzmir ATH bronze: 4×400 m relay | |
| Valery Sviatokha | ATH | Olympics | 2008—2012 | 0–0–1 2005 İzmir ATH bronze: hammer throw | |
| Sergey Sviridov | ATH | Olympics | 2012 | 0–1–0 2013 Kazan ATH silver: decathlon | |
| Vítězslav Svozil | SWM | Olympics | 1960 | 0–1–0 1961 Sofia SWI silver: 4×100 m medley relay |