Host cities:
| Athlete | Nation(s) | Sport(s) | Role(s) | Era | Notes |
|---|---|---|---|---|---|
| Lidiya Sharamovich | ATH | Olympics | 1960 | 1–0–0 1959 Torino ATH gold: shot put | |
| Sergey Sharikov | FEN | Olympics | 1996—2004 | 3–0–3 1995 Fukuoka FEN gold: sabre team; 1997 Catania FEN bronze: sabre; 1999 Palma de Mallorca FEN bronze: sabre and sabre team; 2001 Beijing FEN gold: sabre and sabre team | |
| Dar'ia Sharipova | SHO | Olympics | 2008—2012 | 0–0–1 2013 Kazan SHO bronze: 50 m rifle prone team | |
| Olga Sharkova-Sidorova | FEN | Olympics | 1996—2000 | 0–0–1 1987 Zagreb FEN bronze: foil team (competed as Olga Sharkova for the Soviet Union) | |
| Lyubov Sharmay | BKB | Olympics | 1980 | 1–0–0 1977 Sofia BAS gold | |
| Yury Sharov | FEN | Olympics / Referee | 1964—1980 | 0–0–1 1963 Porto Alegre FEN bronze: foil team | |
| Tony Sharpe | ATH | Olympics | 1984 | 0–1–0 1983 Edmonton ATH silver: 4×100 m relay | |
| Viktor Sharygin | SWM | Olympics | 1968—1972 | 0–2–1 1970 Torino SWI silver: 4×100 m medley relay; 1973 Moskva SWI silver: 4×100 m medley relay, bronze: 200 m butterfly | |
| Nadya Shatarova | GAR | Olympics | 1976 | 0–0–2 1977 Sofia GYM bronze: all-around and team | |
| Tatyana Shchelkanova | ATH | Olympics | 1964 | 8–1–0 1961 Sofia ATH gold: 100 m, 4×100 m relay, and long jump; 1963 Porto Alegre ATH gold: 4×100 m relay and long jump, silver: 80 m hurdles; 1965 Budapest ATH gold: 4×100 m relay, long jump, and pentathlon | |
| Vitali Shcherba | GAR | Olympics | 1992—1996 | 3–3–2 1993 Buffalo GYM gold: all-around and horse vault, silver: parallel bars, bronze: horizontal bar (competed for Belarus); 1995 Fukuoka GYM gold: horse vault, silver: all-around, parallel bar, and horizontal bar (competed for Belarus) | |
| Oksana Shcherbak | ATH | Olympics | 2008 | 1–0–0 2007 Bangkok ATH gold: 4×400 m relay | |
| Yana Shcherban | VVO | Olympics | 2016 | 0–0–1 2011 Shenzhen VOL bronze | |
| Yury Shcherbatsevich | SHO | Olympics | 2004—2020 | 2–0–0 2011 Shenzhen SHO gold: 50 m rifle prone and 50 m rifle prone team | |
| Olha Shcherbatykh | GAR | Olympics | 2004 | 1–2–0 2007 Bangkok GYM gold: vault, silver: all-around and team | |
| Lyudmila Shchetinina | VVO | Olympics | 1976 | 1–0–0 1973 Moskva VOL gold | |
| Vladimir Shchukin | GAR | Olympics | 1972 | 3–2–1 1973 Moskva GYM gold: parallel bars, horizontal bar, and team, silver: all-around and rings, bronze: pommelled horse | |
| Olena Shekhovtsova | ATH | Olympics | 1996—2000 | 2–0–0 1997 Catania ATH gold: long jump; 1999 Palma de Mallorca ATH gold: long jump | |
| Mariya Shekirova | JUD | Olympics | 2008 | 0–0–2 2013 Kazan JUD bronze: heavyweight +78 kg and team (competed for Russia) | |
| Vladimir Shemetov | SWM | Olympics | 1980 | 1–2–0 1983 Edmonton SWI gold: 4×100 m medley relay, silver: 100 m backstroke and 200 m backstroke | |
| Yana Shemiakina | FEN | Olympics | 2008—2016 | 4–0–0 2005 İzmir FEN gold: épée team; 2007 Bangkok FEN gold: épée and épée team; 2009 Beograd FEN gold: épée team | |
| Dave Shemilt | SWM | Olympics | 1984 | 0–0–1 1983 Edmonton SWI bronze: 4×200 m freestyle relay (swam in heats only) | |
| Shen Jian | GAR | Olympics | 1996 | 1–1–0 1993 Buffalo GYM gold: horizontal bar, silver: team | |
| Shen Jianqiang | SWM | Olympics | 1984—1992 | 1–0–0 1991 Sheffield SWI gold: 100 m butterfly | |
| Shen Weiwei | FEN | Olympics | 2004 | 1–1–0 2001 Beijing FEN gold: épée team; 2003 Daegu FEN silver: épée team | |
| Iryna Shepetiuk | ATH | Olympics | 2008 | 0–0–1 2007 Bangkok ATH bronze: 4×100 m relay | |
| John Sherwood | ATH | Olympics / Non-starter | 1964—1972 | 0–2–0 1967 Tokyo ATH silver: 400 m hurdles and 4×400 m relay | |
| Dmitry Shevchenko | FEN | Olympics | 1992—2000 | 2–2–0 1991 Sheffield FEN gold: foil, silver: foil team (competed for the Soviet Union); 1995 Fukuoka FEN gold: foil team, silver: foil (competed for Russia) | |
| Irina Shevchenko | ATH | Olympics | 2004 | 0–1–0 1997 Catania ATH silver: 4×100 m relay (competed as Irina Korotya) | |
| Shi Tingmao | DIV | Olympics | 2016—2020 | 2–0–0 2011 Shenzhen DIV gold: 1 m springboard and team | |
| Hiroshi Shibata | ATH | Olympics | 1956—1960 | 0–0–1 1959 Torino ATH bronze: triple jump | |
| Ryuichi Shibata | SWM | Olympics | 2008 | 0–0–1 2005 İzmir SWI bronze: 4×100 m medley relay | |
| Aleksandr Shibayev | TTE | Olympics | 2012—2016 | 0–0–3 2013 Kazan TTN bronze: doubles, mixed doubles, and team | |
| Tom Shields | SWM | Olympics | 2016—2020 | 2–2–0 2011 Shenzhen SWI gold: 4×100 m freestyle relay (swam in heats only) and 4×200 m freestyle relay (swam in heats only), silver: 100 m butterfly and 4×100 m medley relay (swam in heats only) | |
| Yoshiaki Shikishi | SWM | Olympics | 1964 | 1–1–0 1961 Sofia SWI gold: 4×100 m medley relay, silver: 200 m breaststroke | |
| Tatyana Shikolenko | ATH | Olympics | 2000 | 1–0–0 1991 Sheffield ATH gold: javelin throw (competed for the Soviet Union) | |
| Keigo Shimizu | SWM | Olympics | 1960 | 3–0–0 1961 Sofia SWI gold: 100 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay | |
| Minami Shimizu | HOC | Olympics | 2016 | 0–0–1 2013 Kazan HOK bronze | |
| Sakiko Shimizu | SWM | Olympics | 2016 | 0–0–1 2013 Kazan SWI bronze: 400 m medley | |
| Aya Shimokozuru | FBL | Olympics | 2004 | 0–1–0 2003 Daegu FTB silver | |
| Miho Shinoda | GAR | Olympics | 1988 | 0–0–1 1993 Buffalo GYM bronze: team | |
| Masatoshi Shinomaki | JUD | Olympics / Opening Flagbearer | 1972 | 1–0–0 1967 Tokyo JUD gold: open class | |
| Tateki Shinya | SWM | Olympics | 1976 | 0–0–1 1979 Ciudad de México SWI bronze: 200 m breaststroke | |
| Kazuya Shiojiri | ATH | Olympics | 2016 | 0–0–1 2017 Taipei ATH bronze: 10000 m | |
| Shinri Shioura | SWM | Olympics | 2016—2020 | 1–0–2 2011 Shenzhen SWI gold: 4×100 m medley relay, bronze: 50 m freestyle and 100 m freestyle | |
| Mamoru Shiragami | VVO | Olympics | 1968 | 1–0–0 1967 Tokyo VOL gold | |
| Alla Shishkina | SWA | Olympics | 2012—2020 | 2–0–0 2013 Kazan SYN gold: team and team Free Routine Combination | |
| Mariya Shishkova | ATH | Olympics | 1980 | 0–1–0 1977 Sofia ATH silver: 4×100 m relay (ran in heats only) | |
| Yuta Shitara | ATH | Olympics | 2016 | 0–1–0 2013 Kazan ATH silver: half marathon team | |
| Nikita Shleykher | DIV | Olympics | 2016—2020 | 2–1–0 2017 Taipei DIV gold: synchronized platform and team, silver: mixed synchronized platform | |
| Yuriy Shliakhov | DIV | Olympics | 2004—2008 | 0–0–2 2007 Bangkok DIV bronze: 1 m springboard; 2009 Beograd DIV bronze: 1 m springboard | |
| Tatyana Shlyakhto | ATH | Olympics | 1976 | 0–0–1 1977 Sofia ATH bronze: high jump (competed as Tatyana Boyko) | |
| Andrey Shlyapnikov | ATH | Olympics | 1980 | 0–1–0 1981 București ATH silver: 4×100 m relay | |
| Svitlana Shmidt | ATH | Olympics | 2012 | 0–1–0 2013 Kazan ATH silver: 3000 m steeplechase | |
| Dmitry Shokin | TKW | Olympics | 2016 | 1–0–0 2015 Gwangju TKW gold: heavyweight +87 kg | |
| Yanko Shopov | WRE | Olympics | 1976—1980 | 1–0–0 1977 Sofia WRE gold: Greco-Roman welterweight -74 kg | |
| Iryna Shtanhyeyeva | ATH | Non-starter | 2008 | 1–0–1 2007 Bangkok ATH gold: 200 m, bronze: 4×100 m relay | |
| Nikolina Shtereva | ATH | Olympics | 1976—1980 | 0–0–1 1975 Roma ATH bronze: 800 m | |
| Ilya Shtokalov | CSP | Olympics | 2012—2016 | 0–0–1 2013 Kazan CAN bronze: C1 1000 m | |
| Oleh Shturbabin | FEN | Olympics | 2004 | 2–2–0 2003 Daegu FEN silver: sabre team; 2005 İzmir FEN silver: sabre team; 2007 Bangkok FEN gold: sabre team; 2011 Shenzhen FEN gold: sabre team | |
| Ivan Shtyl | CSP | Olympics | 2012 | 2–0–0 2013 Kazan CAN gold: C2 200 m and C2 500 m | |
| Sergey Shubenkov | ATH | Olympics / Non-starter | 2012—2020 | 0–0–1 2013 Kazan ATH bronze: 110 m hurdles | |
| Mikalai Shubianok | ATH | Olympics | 2008 | 1–0–0 2009 Beograd ATH gold: decathlon | |
| Anna Shukalova | HBL | YOG | 2010 | 1–0–0 2015 Gwangju HAN gold | |
| Liubov Shulika-Basova | CTR | Olympics | 2012—2020 | 0–1–0 2011 Shenzhen CYC silver: 500 m time trial | |
| Aleksey Shumakov | WRE | Olympics | 1976 | 0–1–0 1973 Moskva WRE silver: Greco-Roman light-flyweight -48 kg | |
| Mariya Shurochkina | SWA | Olympics | 2016—2020 | 2–0–0 2013 Kazan SYN gold: team and team Free Routine Combination | |
| Yelena Shushunova | GAR | Olympics | 1988 | 6–0–0 1987 Zagreb GYM gold: all-around, floor, horse vault, uneven bars, balance beam, and team | |
| Aleksandr Shustov | ATH | Olympics | 2012 | 1–0–0 2007 Bangkok ATH gold: high jump | |
| Lyubov Shutova | FEN | Olympics | 2008—2016 | 1–2–0 2001 Beijing FEN silver: épée team; 2003 Daegu FEN gold: épée team; 2005 İzmir FEN silver: épée team | |
| Andrey Shuvalov | FEN | Olympics | 1988—1992 | 1–0–0 1985 Kobe FEN gold: épée team (competed for the Soviet Union) | |
| Vladimir Shuvalov | SWM | Olympics | 1964 | 0–3–0 1965 Budapest SWI silver: 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay | |
| Nadezhda Shuvayeva-Olkhova | BKB | Olympics | 1976—1980 | 2–0–0 1973 Moskva BAS gold (competed as Nadezhda Shuvayeva); 1977 Sofia BAS gold (competed as Nadezhda Shuvayeva) | |
| Yelena Shvaybovich | BKB | Olympics | 1992 | 0–1–0 1987 Zagreb BAS silver (competed as Yelena Ksenzhik for the Soviet Union) | |
| Yerzhan Shynkeyev | JUD | Olympics | 2012 | 0–0–1 2009 Beograd JUD bronze: team | |
| Slava Shyrshov | SWM | Olympics | 2000—2004 | 1–2–3 2001 Beijing SWI silver: 50 m freestyle and 4×100 m medley relay, bronze: 100 m freestyle; 2003 Daegu SWI gold: 50 m freestyle, bronze: 50 m backstroke and 4×100 m freestyle relay | |
| Tatyana Sibileva | ATH | Olympics | 2008 | 1–0–1 2003 Daegu ATH gold: 20 km walk; 2005 İzmir ATH bronze: 20 km walk | |
| Eduard Sibiryakov | VVO | Olympics | 1964—1968 | 2–0–0 1963 Porto Alegre VOL gold; 1965 Budapest VOL gold | |
| Janusz Sidło | ATH | Olympics | 1952—1968 | 0–1–0 1961 Sofia ATH silver: javelin throw | |
| Aleksandr Sidorenko | SWM | Olympics | 1980 | 0–1–0 1983 Edmonton SWI silver: 200 m medley | |
| Maksim Sidorov | ATH | Olympics | 2012 | 1–0–0 2007 Bangkok ATH gold: shot put | |
| Nikolay Sidorov | ATH | Olympics | 1980 | 0–1–1 1981 București ATH silver: 4×100 m relay; 1983 Edmonton ATH bronze: 4×100 m relay | |
| Vitaly Sidorov | ATH | Olympics | 1996—2000 | 1–0–0 1995 Fukuoka ATH gold: discus throw (competed as Vitaliy Sydorov for Ukraine) | |
| Marina Sidorova | ATH | Olympics | 1972 | 4–2–0 1970 Torino ATH gold: 4×100 m relay; 1973 Moskva ATH gold: 4×100 m relay, silver: 200 m; 1975 Roma ATH gold: 4×100 m relay; 1977 Sofia ATH gold: 4×100 m relay, silver: 200 m | |
| Valentina Sidorova | FEN | Olympics | 1976—1980 | 2–2–0 1973 Moskva FEN gold: foil, silver: foil team (compoeted as Valentina Burochkina); 1977 Sofia FEN gold: foil team; 1979 Ciudad de México FEN silver: foil team | |
| Anna Rita Sidoti | ATH | Olympics | 1992—2000 | 1–0–2 1991 Sheffield ATH bronze: 10 km; 1995 Fukuoka ATH gold: 10 km; 1997 Catania ATH bronze: 10 km | |
| Viktor Sidyak | FEN | Olympics | 1968—1980 | 2–0–0 1970 Torino FEN gold: sabre and sabre team | |
| Jon Sieben | SWM | Olympics | 1984—1992 | 1–0–0 1985 Kobe SWI gold: 100 m butterfly | |
| Bernhard Sieber | ROW | Olympics | 2016 | 1–0–0 2013 Kazan ROW gold: lightweight double sculls | |
| Paul Sieber | ROW | Olympics / YOG | 2010—2016 | 1–0–0 2013 Kazan ROW gold: lightweight double sculls | |
| Mariusz Siembida | SWM | Olympics | 1996—2000 | 1–0–1 1997 Catania SWI bronze: 100 m backstroke; 2001 Beijing SWI gold: 50 m backstroke | |
| Cezary Siess | FEN | Olympics | 1988—1992 | 0–0–1 1991 Sheffield FEN bronze: foil team | |
| Čaba Silađi | SWM | Olympics | 2008—2020 | 1–0–1 2009 Beograd SWI bronze: 50 m breaststroke; 2015 Gwangju SWI gold: 50 m breaststroke | |
| Mike Silliman | BKB | Olympics | 1968 | 1–0–0 1967 Tokyo BAS gold | |
| Juris Silovs | ATH | Olympics | 1972—1976 | 3–1–0 1973 Moskva ATH gold: 100 m, silver: 4×100 m relay; 1975 Roma ATH gold: 4×100 m relay; 1977 Sofia ATH gold: 4×100 m relay | |
| André da Silva | ATH | Olympics | 1992—2004 | 1–0–0 1999 Palma de Mallorca ATH gold: 100 m | |
| Diogo Silva | TKW | Olympics | 2004—2012 | 1–0–0 2009 Beograd TKW gold: featherweight -67 kg | |
| Fernando Silva | SWM | Olympics | 2008 | 0–0–1 2007 Bangkok SWI bronze: 100 m freestyle | |
| Emily Silver | SWM | Olympics | 2008 | 1–1–0 2007 Bangkok SWI gold: 4×100 m freestyle relay, silver: 4×100 m medley relay | |
| Sim Hae-In | HBL | Olympics | 2012—2020 | 0–1–0 2015 Gwangju HAN silver | |
| Irina Simagina | ATH | Olympics | 2004 | 1–0–0 2003 Daegu ATH gold: long jump | |
| Anastasiya Simanovich | WPO | Olympics | 2016—2020 | 0–0–1 2015 Gwangju WAP bronze | |
| Sophie Simard | SWM | Olympics | 1996 | 0–1–2 1991 Sheffield SWI silver: 4×100 m medley relay, bronze: 4×100 m freestyle relay and 4×200 m freestyle relay | |
| Akani Simbine | ATH | Olympics / Opening Flagbearer | 2016—2024 | 1–0–1 2015 Gwangju ATH gold: 100 m, bronze: 4×100 m relay | |
| Zlatko Šimenc | WPO | Olympics | 1960—1964 | 1–0–0 1959 Torino WAP gold | |
| Silvano Simeon | ATH | Olympics / Non-starter | 1968—1976 | 0–0–1 1970 Torino ATH bronze: discus throw | |
| Sara Simeoni | ATH | Olympics / Opening Flagbearer / Closing Flagbearer | 1972—1984 | 2–1–2 1973 Moskva ATH bronze: high jump; 1975 Roma ATH silver: high jump; 1977 Sofia ATH gold: high jump; 1979 Ciudad de México ATH bronze: high jump; 1981 București ATH gold: high jump | |
| Vlăd Simionescu | JUD | Olympics | 2012—2020 | 0–0–2 2015 Gwangju JUD bronze: heavyweight +100 kg and open class | |
| Ann Simmons | SWM | Olympics | 1972 | 1–0–0 1973 Moskva SWI gold: 400 m freestyle | |
| Tony Simms | BKB | Olympics | 1984 | 1–0–0 1983 Edmonton BAS gold | |
| Andrés Simón | ATH | Olympics | 1992—1996 | 1–1–0 1985 Kobe ATH gold: 4×100 m relay, silver: 100 m | |
| Ladislau Șimon | WRE | Olympics | 1976 | 0–1–1 1973 Moskva WRE silver: freestyle super-heavyweight +100 kg; 1977 Sofia WRE bronze: freestyle super-heavyweight +100 kg | |
| Rosanna Simón | TKW | Olympics | 2008 | 0–0–1 2015 Gwangju TKW bronze: heavyweight +67 kg | |
| Stefano Simoncelli | FEN | Olympics | 1972—1976 | 0–0–1 1973 Moskva FEN bronze: foil | |
| Marialaura Simonetto | SWM | Olympics | 2008 | 0–1–0 2009 Beograd SWI silver: 4×100 m medley relay (swam in heats only) | |
| Marko Simonović | BKB | Olympics | 2016 | 1–1–0 2007 Bangkok BAS silver; 2009 Beograd BAS gold | |
| Charlie Simpkins | ATH | Olympics | 1988—1992 | 2–0–0 1985 Kobe ATH gold: triple jump; 1987 Zagreb ATH gold: triple jump | |
| Bruce Simpson | ATH | Olympics | 1972—1976 | 0–1–0 1975 Roma ATH silver: pole vault | |
| Juliene Simpson | BKB | Olympics | 1976 | 0–1–0 1973 Moskva BAS silver (competed as Juliene Brazinski) | |
| Sin A-Ram | FEN | Olympics | 2012—2016 | 1–1–1 2011 Shenzhen FEN bronze: épée; 2013 Kazan FEN gold: épée, silver: épée team | |
| Sin Chol-Bom | WLF | Olympics | 2012 | 1–0–0 2017 Taipei WLT gold: featherweight -62 kg | |
| Sin Dae-Cheol | CRD | Olympics | 1984—1988 | 0–0–1 1983 Edmonton CYC bronze: road race | |
| Sin Dong-Pa | BKB | Olympics | 1964—1968 | 0–1–0 1967 Tokyo BAS silver | |
| Sin Myong-Su | GAR | Olympics | 1992 | 1–0–1 1991 Sheffield GYM gold: rings, bronze: floor | |
| Sin Seung-Chan | BDM | Olympics | 2016—2020 | 4–0–1 2013 Kazan BDM gold: team, bronze: doubles; 2015 Gwangju BDM gold: doubles, mixed doubles, and team | |
| Gabriel Sîncrăian | WLF | Olympics | 2012—2016 | 0–0–1 2013 Kazan WLT bronze: light-heavyweight -85 kg | |
| Georgina Singleton | JUD | Olympics | 2004 | 0–0–1 1999 Palma de Mallorca JUD bronze: half-lightweight -52 kg | |
| Aliaksei Sinkevich | GAR | Olympics | 1996—2000 | 0–0–1 2001 Beijing GYM bronze: parallel bars | |
| Vyacheslav Sinkevich | SWM | Olympics | 2012 | 2–0–0 2013 Kazan SWI gold: 200 m breaststroke and 4×100 m medley relay (swam in heats only) | |
| Onur Şipal | BOX | Olympics | 2008—2016 | 0–0–1 2013 Kazan BOX bronze: welterweight -69 kg | |
| Maicon Siqueira | TKW | Olympics | 2016 | 0–1–1 2015 Gwangju TKW bronze: heavyweight +87 kg; 2017 Taipei TKW silver: heavyweight +87 kg | |
| Pimsiri Sirikaew | WLF | Olympics | 2012—2016 | 0–0–1 2013 Kazan WLT bronze: lightweight -58 kg | |
| Zigismunds Sirmais | ATH | Olympics | 2012—2016 | 0–0–1 2015 Gwangju ATH bronze: javelin throw | |
| Eva Široká | VVO | Olympics | 1968 | 0–0–1 1965 Budapest VOL bronze | |
| Giovanni Sirovich | FEN | Olympics | 1992 | 2–0–0 1993 Buffalo FEN gold: sabre and sabre team | |
| Vlado Sirvoň | VVO | Olympics | 1980 | 0–1–0 1977 Sofia VOL silver | |
| Yury Sisikin | FEN | Olympics / Referee | 1960—1988 | 1–2–1 1959 Torino FEN gold: foil team, silver: foil; 1961 Sofia FEN silver: foil team, bronze: foil | |
| Karla Šitić | OWS | Olympics | 2012 | 0–0–1 2013 Kazan SWI bronze: 10 km open water | |
| Anna Sivkova | FEN | Olympics | 2004—2012 | 0–1–0 2001 Beijing FEN silver: épée team | |
| Tatyana Skachko | ATH | Olympics | 1980 | 0–0–1 1979 Ciudad de México ATH bronze: long jump | |
| Kirill Skachkov | TTE | Olympics | 2012—2020 | 0–0–2 2013 Kazan TTN bronze: doubles and team | |
| Santa Margarita Skeet | BKB | Olympics | 1980 | 0–0–1 1970 Torino BAS bronze | |
| Catherine Skinner | SHO | Olympics | 2016—2024 | 1–1–2 2011 Shenzhen SHO silver: trap; 2013 Kazan SHO gold: trap; 2015 Gwangju SHO bronze: trap and trap team | |
| Kamilla Składanowska | FEN | Olympics | 1968—1980 | 0–0–1 1973 Moskva FEN bronze: foil team | |
| Anna Skolarczyk | SWM | Olympics | 1976 | 0–0–3 1977 Sofia SWI bronze: 100 m breaststroke; 1979 Ciudad de México SWI bronze: 100 m breaststroke and 200 m breaststroke | |
| Kamila Skolimowska | ATH | Olympics | 2000—2008 | 1–0–0 2005 İzmir ATH gold: hammer throw | |
| Ryszard Skowronek | ATH | Olympics | 1972—1976 | 1–0–0 1973 Moskva ATH gold: decathlon | |
| Elżbieta Skowrońska-Katolik | ATH | Olympics / Non-starter | 1972—1980 | 0–0–1 1973 Moskva ATH bronze: 800 m (competed as Elżbieta Katolik) | |
| Joanna Skowrońska | GAR | Olympics / Non-starter | 2000—2004 | 0–1–1 2001 Beijing GYM bronze: horse vault; 2003 Daegu GYM silver: vault | |
| Lynn Skrifvars | SWM | Olympics | 1972 | 0–1–0 1970 Torino SWI silver: 100 m backstroke | |
| Zbigniew Skrudlik | FEN | Olympics | 1964—1968 | 2–1–1 1961 Sofia FEN bronze: foil team; 1963 Porto Alegre FEN gold: foil team and épée team, silver: foil | |
| Valery Skvortsov | ATH | Olympics | 1964—1968 | 1–0–0 1965 Budapest ATH gold: high jump | |
| Anna Skydan | ATH | Olympics | 2012—2024 | 1–0–0 2015 Gwangju ATH gold: hammer throw (competed for Azerbaijan) | |
| Milan Šlambor | VVO | Olympics | 1976 | 0–1–0 1977 Sofia VOL silver | |
| Florin Slăvei | WPO | Olympics | 1976—1980 | 0–0–1 1981 București WAP bronze | |
| Ilie Slăvei | WPO | Olympics | 1976—1980 | 0–0–1 1981 București WAP bronze | |
| Yelena Slesarenko | ATH | Olympics | 2004—2008 | 0–0–1 2003 Daegu ATH bronze: high jump | |
| Oksana Slivenko | WLF | Olympics | 2008 | 1–0–0 2013 Kazan WLT gold: light-heavyweight -69 kg | |
| Sara Slott Petersen | ATH | Olympics / Opening Flagbearer | 2012—2020 | 0–0–1 2009 Beograd ATH bronze: 400 m hurdles | |
| Tadeusz Ślusarski | ATH | Olympics | 1972—1980 | 0–1–0 1977 Sofia ATH silver: pole vault | |
| Kathy Smallwood-Cook | ATH | Olympics | 1980—1984 | 1–4–0 1979 Ciudad de México ATH silver: 100 m, 200 m, and 4×100 m relay (competed as Kathy Smallwood); 1981 București ATH gold: 200 m, silver: 4×100 m relay (competed as Kathy Smallwood) | |
| Erinn Smart | FEN | Olympics | 2004—2008 | 0–1–0 1999 Palma de Mallorca FEN silver: foil team | |
| Serhiy Smelyk | ATH | Olympics | 2012—2020 | 1–0–0 2013 Kazan ATH gold: 4×100 m relay | |
| Jaroslav Šmíd | VVO | Olympics | 1980 | 0–1–0 1977 Sofia VOL silver | |
| Nikolay Smirnov | WPO | Olympics | 1988 | 1–0–0 1985 Kobe WAP gold | |
| Roman Smirnov | ATH | Olympics | 2008 | 1–1–0 2003 Daegu ATH silver: 4×100 m relay; 2009 Beograd ATH gold: 4×100 m relay | |
| Sergey Smirnov | ATH | Olympics | 1988 | 0–0–1 1983 Edmonton ATH bronze: shot put | |
| Vladimir Smirnov | FEN | Olympics | 1980 | 2–2–0 1979 Ciudad de México FEN gold: foil team, silver: foil; 1981 București FEN gold: foil, silver: foil team | |
| Sergey Smiryagin | SWM | Olympics | 1980 | 4–0–0 1983 Edmonton SWI gold: 100 m freestyle, 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay | |
| Bev Smith | BKB | Olympics / Coach | 1984—2000 | 0–0–1 1979 Ciudad de México BAS bronze | |
| Calvin Smith | ATH | Olympics | 1984—1988 | 1–1–0 1981 București ATH gold: 4×100 m relay, silver: 100 m | |
| David Smith | VVO | Olympics | 2012—2024 | 0–0–1 2007 Bangkok VOL bronze | |
| Eric Smith | CSP | Olympics | 1984—1988 | 0–1–0 1987 Zagreb CAN silver: C2 1000 m | |
| Graham Smith | SWM | Olympics | 1976 | 2–1–0 1977 Sofia SWI gold: 100 m breaststroke and 200 m breaststroke, silver: 4×100 m medley relay | |
| Karin Smith | ATH | Olympics | 1976—1988 | 0–1–0 1981 București ATH silver: javelin throw | |
| Katie Smith | BKB | Olympics | 2000—2008 | 0–1–0 1995 Fukuoka BAS silver | |
| Kim Smith | ATH | Olympics | 2004—2012 | 1–0–0 2005 İzmir ATH gold: 5000 m | |
| Leah Smith | SWM | Olympics | 2016 | 2–0–0 2015 Gwangju SWI gold: 400 m freestyle and 4×200 m freestyle relay | |
| Sam Smith | TEN | Olympics | 1992 | 0–1–1 1993 Buffalo TEN bronze: singles; 1995 Fukuoka TEN silver: mixed doubles | |
| Steve Smith | BKB | Olympics | 2000 | 1–0–0 1989 Duisburg BAS gold | |
| Tommie Smith | ATH | Olympics | 1968 | 1–1–0 1967 Tokyo ATH gold: 200 m, silver: 100 m | |
| Willie Smith | ATH | Olympics / Non-starter | 1976—1984 | 1–1–0 1977 Sofia ATH gold: 4×400 m relay, silver: 400 m | |
| Nina Smoleyeva | VVO | Olympics | 1968—1976 | 1–0–0 1973 Moskva VOL gold | |
| Yury Smolyakov | FEN | Olympics | 1964—1968 | 0–1–0 1965 Budapest FEN silver: épée team | |
| Viktor Šnajder | ATH | Olympics | 1960 | 1–0–0 1959 Torino ATH gold: 400 m | |
| Doina Liliana Șnep-Bălan | ROW | Olympics | 1984—1992 | 1–0–0 1989 Duisburg ROW gold: coxless fours (competed as Doina Liliana Balan) | |
| Ioan Snep | ROW | Olympics | 1988—1992 | 1–0–0 1989 Duisburg ROW gold: coxless pairs | |
| Yevheniya Snihur | ATH | Olympics | 2008 | 0–0–1 2007 Bangkok ATH bronze: 100 m hurdles | |
| Ihor Snitko | SWM | Olympics | 1996—2000 | 4–0–0 1997 Catania SWI gold: 800 m freestyle; 2001 Beijing SWI gold: 400 m freestyle, 800 m freestyle, and 1500 m freestyle | |
| Glenn Snyders | SWM | Olympics | 2008—2016 | 2–1–1 2011 Shenzhen SWI gold: 50 m breaststroke and 200 m breaststroke, silver: 100 m breaststroke, bronze: 4×100 m medley relay | |
| Nicolae Soare | ATH | Olympics | 2016 | 0–2–0 2015 Gwangju ATH silver: 10000 m; 2017 Taipei ATH silver: 10000 m | |
| Pedro Soares | JUD | Olympics | 1996—2000 | 1–0–0 1999 Palma de Mallorca JUD gold: half-heavyweight -100 kg | |
| Anna Sobczak | FEN | Olympics | 1988—1992 | 0–0–1 1991 Sheffield FEN bronze: foil team | |
| Ryszard Sobczak | FEN | Olympics | 1992—2000 | 0–0–2 1991 Sheffield FEN bronze: foil team; 1995 Fukuoka FEN bronze: foil | |
| Robert Sobera | ATH | Olympics | 2016—2024 | 0–0–1 2015 Gwangju ATH bronze: pole vault | |
| Vera Sobetova | CSP | Olympics | 2012 | 0–1–0 2013 Kazan CAN silver: K4 200 m | |
| Marina Soboleva | FEN | Olympics | 1988 | 0–2–1 1981 București FEN silver: foil team; 1985 Kobe FEN silver: foil team, bronze: foil | |
| Koshi Sobu | VVO | Olympics | 1984 | 0–0–1 1981 București VOL bronze | |
| Aleksandra Socha | FEN | Olympics | 2004—2016 | 0–0–1 2005 İzmir FEN bronze: sabre team | |
| David Söderberg | ATH | Olympics | 2004—2016 | 0–0–1 2003 Daegu ATH bronze: hammer throw |