Host cities:
| Athlete | Nation(s) | Sport(s) | Role(s) | Era | Notes |
|---|---|---|---|---|---|
| Mike Swain | JUD | Olympics | 1984—1992 | 0–0–1 1985 Kobe JUD bronze: lightweight -71 kg | |
| Isabel Swan | SAL | Olympics | 2008—2024 | 0–0–1 2011 Shenzhen SAI bronze: 470 mixed team | |
| Martyna Swatowska-Wenglarczyk | FEN | Olympics / YOG | 2010—2024 | 0–0–2 2017 Taipei FEN bronze: épée team; 2019 Napoli bronze: épée team | |
| Nick Sweeney | ATH | Olympics | 1992—2000 | 0–0–1 1993 Buffalo ATH bronze: discus throw | |
| Sylvia Sweeney | BKB | Olympics | 1976—1984 | 0–0–1 1979 Ciudad de México BAS bronze | |
| Nancy Sweetnam | SWM | Olympics | 1992—1996 | 1–1–0 1993 Buffalo SWI gold: 400 m medley, silver: 200 m medley | |
| Tomasz Świątek | ROW | Olympics | 1988 | 1–0–0 1987 Zagreb ROW gold: quadruple sculls | |
| Justyna Święty-Ersetic | ATH | Olympics | 2012—2024 | 2–0–0 2015 Gwangju ATH gold: 4×400 m relay; 2017 Taipei ATH gold: 4×400 m relay | |
| Greggmar Swift | ATH | Olympics | 2012 | 1–0–0 2015 Gwangju ATH gold: 110 m hurdles | |
| Joel Swift | WPO | Olympics | 2016 | 1–0–0 2009 Beograd WAP gold | |
| Michael Switak | FEN | Olympics | 2000 | 0–0–1 1999 Palma de Mallorca FEN bronze: épée team | |
| Shawn Swords | BKB | Olympics | 2000 | 0–1–1 1995 Fukuoka BAS bronze; 1997 Catania BAS silver | |
| Leszek Swornowski | FEN | Olympics | 1976—1980 | 0–1–0 1983 Edmonton FEN silver: épée team | |
| Rustem Sybay | WLF | YOG | 2010 | 0–1–0 2017 Taipei WLT silver: middle-heavyweight -94 kg | |
| Liese Sykora-Prokop | ATH | Olympics | 1964—1972 | 1–0–1 1967 Tokyo ATH gold: pentathlon, bronze: high jump (competed as Liese Prokop) | |
| Maria Sykora | ATH/HBL | Olympics | 1972—1984 | 1–1–0 1970 Torino ATH gold: 400 m, silver: 800 m | |
| Adéla Sýkorová-Bruns | SHO | Olympics | 2008—2016 | 2–0–1 2007 Bangkok SHO gold: 50 m rifle three positions team; 2011 Shenzhen SHO gold: 50 m rifle three positions, bronze: 50 m rifle three positions team | |
| Denys Sylantiev | SWM | Olympics / Opening Flagbearer | 1996—2008 | 2–0–0 1997 Catania SWI gold: 100 m butterfly and 200 m butterfly | |
| Tom Symoens | ROW | Olympics | 1992—1996 | 0–0–1 1993 Buffalo ROW bronze: single sculls | |
| Martyna Synoradzka | FEN | Olympics | 2012—2024 | 0–0–1 2013 Kazan FEN bronze: foil team | |
| Denys Syzonenko | SWM | Olympics | 2004 | 1–0–1 2003 Daegu SWI bronze: 4×100 m freestyle relay; 2005 İzmir SWI gold: 4×100 m medley relay | |
| Béla Szabados | SWM | Olympics | 1992—2000 | 1–1–0 1997 Catania SWI gold: 200 m freestyle, silver: 400 m freestyle | |
| Alexandru Szabo | WPO | Olympics | 1956—1964 | 0–0–1 1965 Budapest WAP bronze | |
| Attila Szabó | ATH | Olympics | 2012 | 0–0–1 2009 Beograd ATH bronze: decathlon | |
| Bence Szabó | FEN | Olympics / Opening Flagbearer / Closing Flagbearer | 1988—1996 | 3–1–1 1983 Edmonton FEN bronze: sabre team; 1987 Zagreb FEN gold: sabre and sabre team; 1989 Duisburg FEN gold: sabre, silver: sabre team | |
| Dezső Szabó | ATH | Olympics | 1988—1996 | 1–0–1 1989 Duisburg ATH bronze: decathlon; 1995 Fukuoka ATH gold: decathlon | |
| Ecaterina Szabo | GAR | Olympics | 1984 | 2–7–0 1985 Kobe GYM gold: horse vault and balance beam, silver: all-around, uneven bars, floor, and team; 1987 Zagreb GYM silver: horse vault, balance beam, and team | |
| Gabriela Szabo | ATH | Olympics | 1996—2000 | 3–0–0 1995 Fukuoka ATH gold: 1500 m and 5000 m; 1997 Catania ATH gold: 1500 m | |
| Gyöngyi Szalay-Horváth | FEN | Olympics | 1996—2000 | 3–0–0 1991 Sheffield FEN gold: épée team (competed as Gyöngyi Szalay); 1993 Buffalo FEN gold: épée team (competed as Gyöngyi Szalay); 1995 Fukuoka FEN gold: épée team | |
| Antal Száll | SWM | Olympics | 1964 | 0–0–1 1965 Budapest SWI bronze: 4×100 m freestyle relay | |
| László Szalma | ATH | Olympics | 1980—1992 | 1–0–0 1981 București ATH gold: long jump | |
| András Szatmári | FEN | Olympics / YOG | 2010—2024 | 1–0–0 2017 Taipei FEN gold: sabre | |
| Zoltán Szécsi | WPO | Olympics | 2000—2012 | 0–1–1 1997 Catania WAP silver; 1999 Palma de Mallorca WAP bronze | |
| Bulcsú Székely | WPO | Olympics | 2000 | 1–0–1 1999 Palma de Mallorca WAP bronze; 2003 Daegu WAP gold | |
| Zoltán Székely | FEN | Olympics | 1988 | 1–0–0 1979 Ciudad de México FEN gold: épée team | |
| Béla Székeres | ATH | Olympics | 1960 | 1–1–0 1959 Torino ATH gold: 1500 m; 1963 Porto Alegre ATH silver: 5000 m | |
| Pál Szekeres | FEN | Olympics | 1988 | 1–1–1 1985 Kobe FEN gold: foil team; 1987 Zagreb FEN bronze: foil; 1989 Duisburg FEN silver: foil team | |
| István Szelei | FEN | Olympics | 1980—1988 | 1–1–0 1985 Kobe FEN gold: foil team; 1987 Zagreb FEN silver: foil | |
| Kurt Szilier | GAR | Olympics | 1980 | 3–0–4 1979 Ciudad de México GYM bronze: horse vault, parallel bars, horizontal bar, and team; 1981 București GYM gold: all-around, pommelled horse, and team | |
| Márton Szivós | WPO | Olympics | 2012—2016 | 1–0–0 2003 Daegu WAP gold | |
| László Szlamka | SWM | Olympics | 1964 | 0–1–0 1963 Porto Alegre SWI silver: 4×100 m freestyle relay | |
| Peter Szmidt | SWM | Olympics | 1984 | 0–0–1 1983 Edmonton SWI bronze: 4×200 m freestyle relay | |
| Rafał Sznajder | FEN | Olympics / Referee | 1996—2012 | 0–0–1 1993 Buffalo FEN bronze: sabre | |
| Bernadette Szőcs | TTE | Olympics / YOG | 2010—2024 | 0–0–2 2015 Gwangju TTN bronze: singles; 2017 Taipei TTN bronze: singles | |
| Zsuzsa Szőcs | FEN | Olympics | 1980—1988 | 1–0–0 1989 Duisburg FEN gold: épée team | |
| Katarzyna Szotyńska | SAL | Olympics | 2008 | 1–1–0 2005 İzmir SAI gold: Laser women, silver: team | |
| Aniela Szubert | ATH | Non-starter | 1976 | 0–1–0 1975 Roma ATH silver: 4×100 m relay | |
| Agnieszka Szuchnicka | FEN | Olympics | 1992 | 0–0–1 1991 Sheffield FEN bronze: foil team | |
| Rafał Szukała | SWM | Olympics / Opening Flagbearer | 1988—1996 | 0–0–1 1993 Buffalo SWI bronze: 4×100 m freestyle relay | |
| Mariusz Szyszko | VVO | Olympics | 1996 | 1–1–0 1991 Sheffield VOL gold; 1993 Buffalo VOL silver | |
| Florența Țacu-Crăciunescu | ATH | Olympics | 1980—1984 | 2–0–1 1979 Ciudad de México ATH bronze: discus throw (competed as Florenta Tacu); 1981 București ATH gold: discus throw (competed as Florenta Craciunescu); 1983 Edmonton ATH gold: discus throw (competed as Florenta Craciunescu) | |
| Neculai Țaga | ROW | Olympics | 1992—1996 | 1–0–0 1993 Buffalo ROW gold: single sculls | |
| Mike Tagg | ATH | Olympics | 1968 | 0–0–1 1970 Torino ATH bronze: 10000 m | |
| Nobutaka Taguchi | SWM | Olympics | 1968—1976 | 0–1–2 1970 Torino SWI silver: 100 m breaststroke, bronze: 200 m breaststroke and 4×100 m medley relay | |
| Tai Tzu-Ying | BDM | Olympics / Opening Flagbearer | 2012—2024 | 2–1–2 2013 Kazan BDM silver: singles, bronze: team; 2015 Gwangju BDM bronze: singles; 2017 Taipei BDM gold: singles and team | |
| Julia Takács | ATH | Olympics | 2016 | 1–0–0 2011 Shenzhen ATH gold: 20 km walk | |
| Péter Takács | FEN | Olympics | 2000 | 0–1–1 1995 Fukuoka FEN bronze: sabre team; 1997 Catania FEN silver: sabre team | |
| Yasuo Takada | SWM | Olympics | 1968 | 0–1–2 1970 Torino SWI silver: 100 m butterfly, bronze: 100 m butterfly and 4×100 m medley relay | |
| Kiyomi Takahashi | SWM | Olympics | 1984—1988 | 0–1–0 1985 Kobe SWI silver: 200 m butterfly | |
| Miho Takahashi | SWM | Olympics | 2012—2016 | 0–1–0 2011 Shenzhen SWI silver: 400 m medley | |
| Shigehiro Takahashi | SWM | Olympics | 1984—1988 | 1–1–0 1983 Edmonton SWI gold: 100 m breaststroke, silver: 200 m breaststroke | |
| Shinji Takahira | ATH | Olympics | 2004—2012 | 1–3–0 2003 Daegu ATH gold: 4×100 m relay; 2005 İzmir ATH silver: 200 m, 4×100 m relay, and 4×400 m relay (ran in heats only) | |
| Ken Takakuwa | SWM | Olympics | 2008—2012 | 0–1–0 2007 Bangkok SWI silver: 200 m medley | |
| Masahiro Takamatsu | JUD | Olympics | 2004 | 0–2–0 2003 Daegu JUD silver: lightweight -73 kg and team | |
| Aya Takano | SWM | Olympics | 2012 | 0–0–1 2015 Gwangju SWI bronze: 4×200 m freestyle relay | |
| Toshinari Takaoka | ATH | Olympics | 1996—2000 | 0–0–1 1993 Buffalo ATH bronze: 5000 m | |
| Reiko Takizawa | VVO | Olympics | 1988 | 1–0–1 1981 București VOL bronze; 1985 Kobe VOL gold | |
| Alina Talay | ATH | Olympics | 2012—2016 | 0–1–0 2013 Kazan ATH silver: 100 m hurdles | |
| Rachel Tallent | ATH | Olympics | 2016 | 0–0–1 2015 Gwangju ATH bronze: 20 km walk team | |
| Jüri Tamm | ATH | Olympics | 1980—1996 | 1–1–0 1981 București ATH silver: hammer throw (competed for the Soviet Union); 1983 Edmonton ATH gold: hammer throw (competed for the Soviet Union) | |
| Aleksander Tammert | ATH | Olympics / Opening Flagbearer | 1996—2012 | 1–0–0 2001 Beijing ATH gold: discus throw | |
| Sonata Tamošaitytė | ATH | Olympics | 2012 | 0–1–0 2009 Beograd ATH silver: 100 m hurdles | |
| Ryoko Tamura-Tani | JUD | Olympics / Opening Flagbearer | 1992—2008 | 1–0–0 1995 Fukuoka JUD gold: extra-lightweight -48 kg (competed as Ryoko Tamura) | |
| Tan Chi-Chung | WLF | Olympics | 2016 | 0–0–1 2011 Shenzhen WLT bronze: bantamweight -59 kg | |
| Tan Liangde | DIV | Olympics | 1984—1992 | 2–0–1 1983 Edmonton DIV bronze: 3 m springboard; 1985 Kobe DIV gold: 3 m springboard; 1987 Zagreb DIV gold: 3 m springboard | |
| Tan Miao | SWM | Olympics | 2008 | 0–1–0 2007 Bangkok SWI silver: 4×200 m freestyle relay | |
| Tan Xue | FEN | Olympics | 2004—2008 | 2–0–1 2003 Daegu FEN gold: sabre and sabre team; 2009 Beograd FEN bronze: sabre | |
| Tan Ya-Ting | ARC | Olympics / YOG | 2010—2020 | 1–3–0 2015 Gwangju ARC gold: recurve team, silver: recurve mixed team; 2017 Taipei ARC silver: recurve and recurve team | |
| Hikaru Tanaka | GAR | Olympics | 1996 | 1–0–2 1995 Fukuoka GYM gold: team, bronze: horizontal bar and rings | |
| Hisayoshi Tanaka | SWM | Olympics | 2000 | 0–0–1 2001 Beijing SWI bronze: 200 m butterfly | |
| Izuki Tanaka | HOC | Olympics | 2012 | 0–0–1 2013 Kazan HOK bronze | |
| Kazuhito Tanaka | GAR | Olympics | 2012 | 1–0–0 2007 Bangkok GYM gold: team | |
| Kishio Tanaka | SWM | Olympics | 1968 | 0–1–0 1967 Tokyo SWI silver: 4×100 m medley relay | |
| Masami Tanaka | SWM | Olympics | 1996—2004 | 2–0–0 1997 Catania SWI gold: 200 m breaststroke and 4×100 m medley relay | |
| Rie Tanaka | GAR | Olympics | 2012 | 0–0–1 2009 Beograd GYM bronze: team | |
| Yusuke Tanaka | GAR | Olympics | 2012—2016 | 0–1–1 2013 Kazan GYM silver: horizontal bar, bronze: team | |
| Liam Tancock | SWM | Olympics | 2008—2012 | 1–0–0 2005 İzmir SWI gold: 50 m backstroke | |
| Megumi Taneda | SWM | Olympics | 2008 | 1–0–0 2005 İzmir SWI gold: 200 m breaststroke | |
| Tang Chih-Chun | ARC | Olympics / YOG / Opening Flagbearer | 2018—2024 | 0–1–0 2019 Napoli ARC silver: Recurve team | |
| Tang Yi | SWM | Olympics / YOG | 2008—2016 | 2–0–2 2011 Shenzhen SWI gold: 100 m freestyle and 4×100 m medley relay, bronze: 4×100 m freestyle relay and 4×200 m freestyle relay | |
| Abdullo Tangriyev | JUD | Olympics / Opening Flagbearer | 2000—2016 | 2–1–1 2001 Beijing JUD silver: open class, bronze: heavyweight +100 kg; 2003 Daegu JUD gold: heavyweight +100 kg and open class | |
| Yekaterina Tankeyeva | WPO | Olympics | 2012 | 0–0–1 2009 Beograd WAP bronze | |
| Azize Tanrıkulu | TKW | Olympics / Closing Flagbearer | 2008 | 1–0–0 2005 İzmir TKW gold: lightweight -63 kg | |
| Bahri Tanrıkulu | TKW | Olympics | 2004—2012 | 1–0–0 2005 İzmir TKW gold: middleweight -84 kg | |
| Sheila Taormina | MPN/SWM/TRI | Olympics | 1996—2008 | 1–1–0 1991 Sheffield SWI silver: 400 m medley; 1995 Fukuoka SWI gold: 4×200 m freestyle relay | |
| Romy Tarangul | JUD | Olympics | 2008—2012 | 0–0–1 2013 Kazan JUD bronze: half-lightweight -52 kg | |
| Luigi Tarantino | FEN | Olympics | 1996—2012 | 2–1–0 1993 Buffalo FEN gold: sabre team; 1997 Catania FEN gold: sabre team, silver: sabre | |
| Grigory Tarasevich | SWM | Olympics | 2016—2020 | 1–2–1 2019 Napoli SWI gold: 100 m backstroke, silver: 200 m backstroke and 4×100 m medley relay, bronze: 50 m backstroke | |
| Irina Tarasova | ATH | Olympics | 2012 | 3–0–0 2007 Bangkok ATH gold: shot put; 2011 Shenzhen ATH gold: shot put; 2013 Kazan ATH gold: shot put | |
| Elena Tărîță | ATH | Olympics | 1980 | 0–0–1 1981 București ATH bronze: 4×400 m relay | |
| Ionela Târlea-Manolache | ATH | Olympics | 1996—2008 | 1–1–0 1995 Fukuoka ATH silver: 400 m hurdles (competed as Ionela Târlea); 1999 Palma de Mallorca ATH gold: 400 m (competed as Ionela Târlea) | |
| Flavia Tartaglini | SAL | Olympics | 2016 | 0–1–0 2005 İzmir SAI silver: Windsurfer women | |
| Nur Tatar | TKW | Olympics | 2012—2020 | 0–0–1 2015 Gwangju TKW bronze: welterweight -67 kg | |
| Ryo Tateishi | SWM | Olympics | 2012 | 1–0–0 2011 Shenzhen SWI gold: 4×100 m medley relay | |
| Chiyori Tateno | JUD | Olympics | 1992 | 0–1–0 1995 Fukuoka JUD silver: lightweight -56 kg | |
| Takana Tatsuzawa | GRY | YOG | 2014 | 0–0–1 2017 Taipei RGY bronze: ribbon | |
| Angella Taylor-Issajenko | ATH | Olympics | 1984—1988 | 0–1–1 1983 Edmonton ATH silver: 4×100 m relay, bronze: 100 m (competed as Angella Taylor) | |
| Laura Teani | WPO | Olympics | 2016 | 0–0–1 2013 Kazan WAP bronze | |
| Levan Tediashvili | WRE | Olympics | 1972—1976 | 1–0–0 1973 Moskva WRE gold: freestyle light-heavyweight -90 kg | |
| Ferenc Tégla | ATH | Olympics | 1968—1976 | 0–1–1 1973 Moskva ATH bronze: discus throw; 1975 Roma ATH silver: discus throw | |
| André Teixeira | SWM | Olympics | 1992—1996 | 0–1–0 1995 Fukuoka SWI silver: 4×100 m freestyle relay | |
| Norberto Téllez | ATH | Olympics | 1992—1996 | 2–0–0 1997 Catania ATH gold: 800 m; 1999 Palma de Mallorca ATH gold: 800 m | |
| Danial Temim | ATH | Olympics | 1976 | 0–0–1 1975 Roma ATH bronze: high jump | |
| Stefano Tempesti | WPO | Olympics | 2000—2016 | 0–1–0 1999 Palma de Mallorca WAP silver | |
| Riccardo Tempestini | WPO | Olympics | 1988 | 1–0–0 1987 Zagreb WAP gold | |
| Giorgi Tenadze | JUD | Olympics | 1988 | 0–0–1 1985 Kobe JUD bronze: lightweight -71 kg | |
| Teng Fei | WPO | Olympics | 2008—2012 | 2–0–0 2009 Beograd WAP gold; 2011 Shenzhen WAP gold | |
| Elaine Teo | TKW | Olympics | 2004—2008 | 0–0–2 2003 Daegu TKW bronze: bantamweight -55 kg; 2005 İzmir TKW bronze: flyweight -51 kg | |
| Katarzyna Teodorowicz | TEN | Olympics | 1992 | 0–2–0 1997 Catania TEN silver: doubles; 1999 Palma de Mallorca TEN silver: doubles | |
| Igor Ter-Ovanesyan | ATH | Olympics | 1956—1972 | 4–1–0 1961 Sofia ATH gold: long jump and 4×100 m relay (ran in heats only); 1963 Porto Alegre ATH gold: long jump; 1965 Budapest ATH gold: long jump, silver: 4×100 m relay | |
| Aya Terakawa | SWM | Olympics | 2004—2012 | 6–2–2 2003 Daegu SWI silver: 200 m backstroke, bronze: 50 m backstroke and 100 m backstroke; 2005 İzmir SWI gold: 50 m backstroke, 100 m backstroke, and 200 m backstroke, silver: 4×100 m medley relay; 2007 Bangkok SWI gold: 50 m backstroke, 100 m backstroke, and 4×100 m medley relay | |
| Asuka Teramoto | GAR | Olympics | 2012—2016 | 1–5–2 2015 Gwangju GYM silver: all-around, uneven bars, and team; 2017 Taipei GYM silver: all-around and floor, bronze: team; 2019 Napoli GYM gold: team, bronze: uneven bars | |
| Ken Terauchi | DIV | Olympics | 1996—2020 | 0–1–2 1999 Palma de Mallorca DIV silver: 3 m springboard; 2001 Beijing DIV bronze: 3 m springboard; 2003 Daegu DIV bronze: 3 m springboard | |
| Tonhi Terenzi | FEN | Olympics | 1992—2000 | 1–2–1 1989 Duisburg FEN silver: sabre, bronze: sabre team; 1991 Sheffield FEN silver: sabre team; 1993 Buffalo FEN gold: sabre team | |
| Tetiana Tereshchuk-Antypova | ATH | Olympics | 1996—2004 | 1–0–0 1997 Catania ATH gold: 400 m hurdles (competed as Tetiana Tereshchuk) | |
| Boris Tereshchuk | VVO | Olympics | 1968 | 1–0–0 1973 Moskva VOL gold | |
| Olga Tereshkova | ATH | Olympics | 2008 | 1–0–0 2007 Bangkok ATH gold: 400 m | |
| Amela Terzić | ATH | Olympics | 2016 | 1–0–0 2017 Taipei ATH gold: 1500 m | |
| Olha Teslenko | GAR | Olympics | 1996—2000 | 0–2–0 1999 Palma de Mallorca GYM silver: uneven bars and team | |
| Pier Alberto Testoni | FEN | Olympics | 1972 | 0–0–2 1970 Torino FEN bronze: épée team; 1973 Moskva FEN bronze: épée team | |
| Thaisinha | FBL | Olympics / Non-starter | 2012—2016 | 0–0–1 2011 Shenzhen FTB bronze | |
| Aikaterini Thanou | ATH | Olympics / Non-starter | 1996—2004 | 1–1–0 1995 Fukuoka ATH silver: 100 m; 1997 Catania ATH gold: 100 m | |
| Jutamass Thavoncharoen | ATH | Olympics | 2008 | 0–1–0 2007 Bangkok ATH silver: 4×100 m relay | |
| Wojciech Theiner | ATH | Olympics | 2016 | 0–1–0 2011 Shenzhen ATH silver: high jump | |
| Gundi Theuerkauff | FEN | Olympics | 1960—1972 | 0–2–0 1959 Torino FEN silver: foil and foil team (competed as Gundi Vorbrich for West Germany) | |
| Ysaora Thibus | FEN | Olympics | 2012—2024 | 0–0–1 2011 Shenzhen FEN bronze: foil team | |
| Simon Thirsk | SWM | Olympics | 2000 | 1–0–0 1999 Palma de Mallorca SWI gold: 100 m backstroke | |
| Nick Thoman | SWM | Olympics | 2012 | 0–1–2 2007 Bangkok SWI silver: 4×100 m medley relay, bronze: 50 m backstroke and 100 m backstroke | |
| Joel Thomas | SWM | Olympics | 1992 | 1–0–0 1987 Zagreb SWI gold: 4×100 m freestyle relay | |
| Josephus Thomas | ATH | Olympics | 1996 | 0–1–0 1991 Sheffield ATH silver: 4×100 m relay | |
| Nathan Thomas | WPO | Olympics | 2000—2004 | 0–0–2 1995 Fukuoka WAP bronze; 1997 Catania WAP bronze | |
| Tristan Thomas | ATH | Olympics | 2012 | 2–1–0 2007 Bangkok ATH silver: 4×400 m relay (ran in heats only); 2009 Beograd ATH gold: 400 m hurdles and 4×400 m relay | |
| Obadele Thompson | ATH | Olympics / Opening Flagbearer / Closing Flagbearer | 1996—2004 | 0–1–0 1995 Fukuoka ATH silver: 100 m | |
| Tina Thompson | BKB | Olympics | 2004—2008 | 0–1–0 1995 Fukuoka BAS silver | |
| Ben Thorne | ATH | Olympics | 2016 | 0–1–1 2013 Kazan ATH bronze: 20 km walk team; 2015 Gwangju ATH silver: 20 km walk | |
| Brian Thornton | VVO | Olympics | 2012 | 0–0–1 2007 Bangkok VOL bronze | |
| Tian Liang | DIV | Olympics | 1996—2004 | 6–0–0 2001 Beijing DIV gold: platform, synchronized platform, and team; 2003 Daegu DIV gold: platform, synchronized platform, and team | |
| Tian Qing | BDM | Olympics | 2012 | 0–5–0 2007 Bangkok BDM silver: doubles and team; 2013 Kazan BDM silver: doubles, mixed doubles, and team | |
| Milan Tičić | WPO | Olympics | 2008 | 1–1–0 2003 Daegu WAP silver; 2007 Bangkok WAP gold | |
| Khalid Tighazouine | ATH | Olympics | 2000 | 1–0–0 2001 Beijing ATH gold: 800 m | |
| Valery Tikhonenko | BKB | Olympics | 1988—1992 | 1–0–0 1985 Kobe BAS gold | |
| Aleksandr Tikhonov | SWM | Olympics | 2008—2012 | 0–0–1 2015 Gwangju SWI bronze: 4×100 m freestyle relay | |
| Vladimir Tikhonov | GAR | Olympics | 1976 | 1–1–3 1977 Sofia GYM gold: team, silver: pommelled horse, bronze: all-around, floor, and rings | |
| Felicia Țilea-Moldovan | ATH | Olympics | 1996—2008 | 1–0–0 1995 Fukuoka ATH gold: javelin throw (competed as Felicia Tilea) | |
| Jonna Tilgner | ATH | Olympics | 2008 | 0–1–1 2007 Bangkok ATH bronze: 400 m hurdles, 2009 Beograd ATH silver: 400 m hurdles | |
| Karl Tilleman | BKB | Olympics | 1984—1988 | 1–0–0 1983 Edmonton BAS gold | |
| Anzhelika Timanina | SWA | Olympics | 2012 | 1–0–0 2013 Kazan SYN gold: team Free Routine Combination | |
| Anna Timofeyeva | WPO | Olympics | 2016—2020 | 0–0–1 2011 Shenzhen WAP bronze | |
| Yelena Timoshenko | SWM | Olympics | 1972 | 0–1–0 1973 Moskva SWI silver: 4×100 m freestyle relay | |
| Yuliya Timoshinina | DIV | Olympics | 2016—2020 | 0–2–1 2017 Taipei DIV silver: mixed synchronized platform and team, bronze: synchronized platform | |
| Ion Țiriac | IHO | Olympics / Administrator | 1964—2004 | 2–0–3 1961 Sofia TEN bronze: singles and mixed doubles; 1965 Budapest TEN gold: singles and mixed doubles, bronze: doubles | |
| Yevgeny Tishchenko | BOX | Olympics | 2016 | 1–0–0 2013 Kazan BOX gold: heavyweight -91 kg | |
| Mikhail Tishko | FEN | Olympics | 1988 | 1–0–0 1985 Kobe FEN gold: épée team | |
| Giedrius Titenis | SWM | Olympics / Opening Flagbearer | 2008—2020 | 2–0–1 2009 Beograd SWI bronze: 200 m breaststroke; 2011 Shenzhen SWI gold: 100 m breaststroke and 200 m breaststroke | |
| Hanna Titimets | ATH | Olympics | 2012—2016 | 2–0–0 2011 Shenzhen ATH gold: 4×100 m relay; 2013 Kazan ATH gold: 400 m hurdles | |
| Yury Titov | GAR | Olympics / Administrator | 1956—1996 | 0–1–0 1961 Sofia GYM silver: all-around (competed for the Soviet Union) | |
| Viktoriya Titova | FEN | Olympics | 1996 | 1–0–2 1995 Fukuoka FEN bronze: épée; 1997 Catania FEN bronze: épée; 1999 Palma de Mallorca FEN gold: épée team | |
| Ellen Tittel-Wellmann | ATH | Olympics | 1972—1976 | 1–0–0 1975 Roma ATH gold: 1500 m (competed as Ellen Wellmann) | |
| Mihai Țiu | FEN | Olympics | 1968—1980 | 0–1–0 1973 Moskva FEN silver: foil | |
| Nadezhda Tkachenko | ATH | Olympics | 1972—1980 | 1–0–0 1973 Moskva ATH gold: pentathlon | |
| Vladimir Tkachenko | BKB | Olympics | 1976—1980 | 0–1–0 1981 București BAS silver | |
| Vladimir Tkachenko | SWM | Olympics | 1988 | 1–1–1 1983 Edmonton SWI gold: 4×100 m freestyle relay; 1985 Kobe SWI silver: 4×100 m medley relay (swam in heats only), bronze: 4×100 m freestyle relay | |
| Aleksandr Tkachev | SWM | Olympics | 2000 | 1–2–1 1995 Fukuoka SWI gold: 200 m breaststroke, silver: 100 m breaststroke, bronze: 4×100 m medley relay (competed for Russia); 1997 Catania SWI silver: 100 m breaststroke (competed for Russia) | |
| Aleksandr Tkachov | GAR | Olympics | 1980 | 2–0–1 1977 Sofia GYM gold: parallel bars and team, bronze: floor | |
| Nataliya Tobias | ATH | Olympics | 2004—2008 | 1–0–0 2003 Daegu ATH gold: 1500 m (competed as Nataliya Sydorenko) | |
| Ilaria Tocchini | SWM | Olympics | 1988—1996 | 1–1–1 1987 Zagreb SWI gold: 100 m butterfly, silver: 4×100 m medley relay, bronze: 4×100 m freestyle relay | |
| Giovanni Tocci | DIV | Olympics / YOG | 2010—2024 | 0–0–1 2017 Taipei DIV bronze: 3 m springboard | |
| Krasimira Tocheva | ROW | Olympics | 1988 | 1–0–0 1989 Duisburg ROW gold: quadruple sculls | |
| Lilyana Todorova | ATH | Olympics | 1976 | 1–0–0 1973 Moskva ATH gold: 800 m | |
| Miodrag Todosijević | ATH | Olympics | 1968 | 1–0–0 1967 Tokyo ATH gold: high jump | |
| Luis Toledo | ATH | Olympics | 1992 | 0–0–1 1987 Zagreb ATH bronze: 800 m | |
| Márta Tolnai-Erdős | GAR | Olympics | 1964—1968 | 1–0–0 1965 Budapest GYM gold: team | |
| Marianna Tolo | BKB | Olympics | 2016—2024 | 0–0–3 2009 Beograd BAS bronze; 2011 Shenzhen BAS bronze; 2013 Kazan BAS bronze | |
| Sergiu Toma | JUD | Olympics | 2008—2016 | 0–0–1 2007 Bangkok JUD bronze: lightweight -73 kg | |
| Jaroslav Tomáš | VVO | Olympics | 1972—1976 | 0–1–0 1977 Sofia VOL silver | |
| Dragana Tomašević | ATH | Olympics | 2004—2020 | 0–0–2 2005 İzmir ATH bronze: discus throw (competed for Serbia and Montenegro); 2007 Bangkok ATH bronze: discus throw (competed for Serbia) | |
| Mary Tombiri-Shirey | ATH | Olympics | 1996 | 0–1–2 1993 Buffalo ATH silver: 4×100 m relay (competed as Mary Tombiri); 1995 Fukuoka ATH bronze: 100 m and 4×100 m relay (competed as Mary Tombiri) | |
| Jakub Tomeček | SHO | Olympics | 2012—2024 | 0–0–2 2013 Kazan SHO bronze: skeet and skeet team | |
| Nikola Tomečková-Brejchová | ATH | Olympics | 1996—2004 | 0–1–0 2001 Beijing ATH silver: javelin throw (competed as Nikola Tomecková) | |
| Chiaki Tomita | ROW | Olympics | 2016—2020 | 1–0–0 2015 Gwangju ROW gold: lightweight coxless pairs | |
| Hiroyuki Tomita | GAR | Olympics | 2004—2008 | 5–3–1 2001 Beijing GYM gold: parallel bars, silver: all-around, pommelled horse, and team; 2005 İzmir GYM gold: all-around, horizontal bar, rings, and team, bronze: floor | |
| Hideaki Tomiyama | WRE | Olympics | 1984 | 0–1–0 1981 București WRE silver: freestyle bantamweight -57 kg | |
| Hidehiko Tomizawa | ATH | Olympics | 1972 | 0–1–0 1967 Tokyo ATH silver: high jump | |
| Cyril Tommasone | GAR | Olympics | 2012—2020 | 1–0–0 2009 Beograd GYM gold: parallel bars | |
| Vasile Tomoiagă | ROW | Olympics | 1984—1992 | 2–0–0 1987 Zagreb ROW gold: coxed fours; 1989 Duisburg ROW gold: coxed fours | |
| Kosuke Tomonaga | VVO | Olympics | 2008 | 0–1–0 2003 Daegu VOL silver | |
| Aleksandar Tomov | WRE | Olympics / Opening Flagbearer | 1972—1980 | 1–0–0 1977 Sofia WRE gold: Greco-Roman super-heavyweight +100 kg | |
| Priit Tomson | BKB | Olympics | 1968 | 1–1–0 1965 Budapest BAS silver; 1970 Torino BAS gold | |
| Tong Hui | DIV | Olympics | 1984 | 1–1–1 1983 Edmonton DIV bronze: platform; 1985 Kobe DIV gold: platform; 1987 Zagreb DIV silver: platform | |
| Tong Wen | JUD | Olympics | 2008—2012 | 1–0–1 2001 Beijing JUD bronze: open class; 2007 Bangkok JUD gold: heavyweight +78 kg |