Host cities:
| Athlete | Nation(s) | Sport(s) | Role(s) | Era | Notes |
|---|---|---|---|---|---|
| Estie Wittstock | RSA |
ATH | Olympics | 2004 | 0–0–1 2003 Daegu ATH bronze: 400 m |
| Urszula Włodarczyk | POL |
ATH | Olympics | 1992—2000 | 1–1–0 1991 Sheffield ATH silver: heptathlon; 1993 Buffalo ATH gold: heptathlon |
| Kelsey Wog | CAN |
SWM | Olympics / YOG | 2014—2020 | 1–0–0 2017 Taipei SWI gold: 4×100 m freestyle relay (swam in heats only) |
| Ziemek Wojciechowski | POL |
FEN | Olympics | 1976 | 0–2–0 1970 Torino FEN silver: foil team; 1973 Moskva FEN silver: foil team |
| Krzysztof Wojdan | POL |
JUD | Olympics | 1996 | 0–0–1 1995 Fukuoka JUD bronze: team |
| Artur Wojdat | POL |
SWM | Olympics | 1988—1992 | 1–1–1 1991 Sheffield SWI gold: 400 m freestyle, silver: 200 m freestyle; 1993 Buffalo SWI bronze: 4×100 m freestyle relay |
| Ewelina Wojnarowska | POL |
CSP | Olympics | 2016 | 0–0–1 2013 Kazan CAN bronze: K4 500 m |
| Łukasz Wójt | POL |
SWM | Olympics | 2008 | 0–0–1 2007 Bangkok SWI bronze: 200 m medley |
| Władysław Wojtakajtis | POL |
SWM | Olympics | 1968—1972 | 0–0–1 1970 Torino SWI bronze: 1500 m freestyle |
| Josh Wolff | USA |
FBL | Olympics | 2000 | 0–0–1 1997 Catania FTB bronze |
| Barbara Wolnicka-Szewczyk | POL |
FEN | Olympics | 1992—2000 | 0–0–1 1991 Sheffield FEN bronze: foil team (competed as Barbara Wolnicka) |
| Kara Wolters | USA |
BKB | Olympics | 2000 | 1–1–0 1995 Fukuoka BAS silver; 1997 Catania BAS gold |
| Won Jeong-Sik | KOR |
WLF | Olympics | 2012—2016 | 0–1–0 2011 Shenzhen WLT silver: lightweight -69 kg |
| Won Yeong-Jun | KOR |
SWM | Olympics | 2016 | 0–0–1 2017 Taipei SWI bronze: 50 m backstroke |
| Angel Wong | HKG |
GAR | Olympics | 2012 | 0–0–1 2011 Shenzhen GYM bronze: vault |
| Panipak Wongpattanakit | THA |
TKW | Olympics / YOG | 2014—2020 | 2–0–0 2017 Taipei TKW gold: flyweight -49 kg; 2019 Napoli TKW gold: flyweight -49 kg |
| Lynette Woodard | USA |
BKB | Olympics | 1984 | 1–0–0 1979 Ciudad de México BAS gold |
| Rob Woodhouse | AUS |
SWM | Olympics | 1984—1988 | 1–2–0 1985 Kobe SWI silver: 400 m medley; 1987 Zagreb SWI gold: 400 m medley, silver: 200 m medley |
| Gavin Woods | AUS |
WPO | Olympics | 2000—2012 | 0–0–1 2003 Daegu WAP bronze |
| Bryan Woodward | USA |
ATH | Olympics | 2000 | 2–0–1 1995 Fukuoka ATH gold: 4×400 m relay (ran in heats only); 1997 Catania ATH gold: 4×400 m relay, bronze: 400 m |
| Gabe Woodward | USA |
SWM | Olympics | 2004 | 0–0–1 1999 Palma de Mallorca SWI bronze: 4×100 m freestyle relay |
| Witold Woyda | POL |
FEN | Olympics / Other | 1960—1972 | 0–0–1 1961 Sofia FEN bronze: foil team |
| Yvette Wray | GBR |
ATH | Olympics | 1980 | 0–2–0 1979 Ciudad de México ATH silver: 4×100 m relay; 1981 București ATH silver: 4×100 m relay |
| Neville Wright | CAN |
BOB | Olympics | 2010—2018 | 0–0–1 2007 Bangkok ATH bronze: 100 m |
| Peter Wright | USA |
SWM | Olympics | 1996 | 0–1–0 1991 Sheffield SWI silver: 400 m freestyle |
| Thelma Wright | CAN |
ATH | Olympics | 1972—1976 | 0–1–0 1975 Roma ATH silver: 3000 m |
| Bernie Wrightson | USA |
DIV | Olympics | 1968 | 0–2–0 1965 Budapest DIV silver: 3 m springboard and platform |
| Roman Wrocławski | POL |
WRE | Olympics | 1988 | 0–0–1 1981 București WRE bronze: Greco-Roman heavyweight -100 kg |
| Sean Wroe | AUS |
ATH | Olympics | 2008 | 2–1–1 2007 Bangkok ATH gold: 400 m, silver: 4×400 m relay; 2009 Beograd ATH gold: 4×400 m relay; 2011 Shenzhen ATH bronze: 400 m |
| Jacek Wszoła | POL |
ATH | Olympics | 1976—1980 | 1–0–0 1977 Sofia ATH gold: high jump |
| Wu Chia-Ying | TPE |
SHO | Olympics | 2016—2020 | 0–0–1 2015 Gwangju SHO bronze: 10 m air pistol |
| Wu Ha-Ram | KOR |
DIV | Olympics | 2016—2020 | 0–2–1 2017 Taipei DIV silver: synchronized springboard and team, bronze: synchronized platform |
| Wu Hanxiong | CHN |
FEN | Olympics | 2004 | 2–1–0 2003 Daegu FEN gold: foil team; 2007 Bangkok FEN gold: foil, silver: foil team |
| Wu Jingyu | CHN |
TKW | Olympics | 2008—2020 | 1–0–0 2005 İzmir TKW gold: finweight -47 kg |
| Wu Mei-Ling | TPE |
JUD | Olympics | 1992—1996 | 0–0–1 1995 Fukuoka JUD bronze: middleweight -66 kg |
| Wu Minxia | CHN |
DIV | Olympics | 2004—2016 | 5–1–0 2003 Daegu DIV gold: 1m springboard, 3 m springboard, synchronized springboard, and team; 2005 İzmir DIV gold: 1m springboard, silver: 3 m springboard |
| Wu Naiqun | CHN |
BKB | Olympics | 1996 | 0–0–1 1993 Buffalo BAS bronze |
| Wu Qinglong | CHN |
BKB | Olympics | 1992—1996 | 0–0–1 1993 Buffalo BAS bronze |
| Wu Qiuhua | CHN |
FEN | Olympics | 1984 | 1–0–0 1983 Edmonton FEN gold: foil team |
| Wu Tao | CHN |
ATH | Olympics | 2004 | 1–0–0 2003 Daegu ATH gold: discus throw |
| Volkmar Würtz | GER FRG |
FEN | Olympics | 1964 | 0–0–1 1961 Sofia FEN bronze: épée team |
| Patrycja Wyciszkiewicz | POL |
ATH | Olympics | 2012—2016 | 1–0–0 2017 Taipei ATH gold: 4×400 m relay |
| Wendy Wyland | USA |
DIV | Olympics | 1984 | 0–1–0 1983 Edmonton DIV silver: platform |
| Barbara Wysoczańska | POL |
FEN | Olympics | 1976—1980 | 0–0–1 1973 Moskva FEN bronze: foil team (competed as Barbara Szeja) |
| Xia Jiaping | CHN |
TEN | Olympics | 1992—1996 | 1–0–0 1991 Sheffield TEN gold: singles |
| Xian Dongmei | CHN |
JUD | Olympics | 2004—2008 | 2–0–0 2001 Beijing JUD gold: half-lightweight -52 kg and team |
| Xiao Aihua | CHN |
FEN | Olympics | 1988—2000 | 0–2–4 1989 Duisburg FEN bronze: foil team; 1991 Sheffield FEN silver: foil and foil team; 1995 Fukuoka FEN bronze: foil team; 1997 Catania FEN bronze: foil; 1999 Palma de Mallorca FEN bronze: foil |
| Xiao Hailiang | CHN |
DIV | Olympics | 1996—2000 | 1–0–0 1997 Catania DIV gold: platform |
| Xiao Yanling | CHN |
ATH | Olympics | 1996 | 1–0–0 1991 Sheffield ATH gold: discus throw |
| Xie Yongjun | CHN |
FEN | Olympics | 2004 | 0–1–0 2003 Daegu FEN silver: épée team |
| Xing Aowei | CHN |
GAR | Olympics | 2000—2004 | 1–2–0 2001 Beijing GYM gold: team, silver: horizontal bar and pommelled horse |
| Xiong Ni | CHN |
DIV | Olympics | 1988—2000 | 2–0–0 1993 Buffalo DIV gold: 3 m springboard and platform |
| Xu Chen | CHN |
BDM | Olympics | 2012—2016 | 0–1–0 2007 Bangkok BDM silver: team |
| Xu Guoqing | CHN |
JUD | Olympics | 1984—1988 | 0–1–0 1985 Kobe JUD silver: open class |
| Xu Tianlongzi | CHN |
SWM | Olympics | 2008 | 0–1–0 2009 Beograd SWI silver: 50 m backstroke |
| Xu Xiaolong | CHN |
ATH | Olympics | 2016 | 0–0–1 2015 Gwangju ATH bronze: triple jump |
| Xu Xin | CHN |
TTE | Olympics | 2016—2020 | 4–0–0 2009 Beograd TTN gold: team; 2011 Shenzhen TTN gold: singles, doubles, and team |
| Xu Yanwei | CHN |
SWM | Olympics | 2004—2008 | 2–3–2 2003 Daegu SWI gold: 4×200 m freestyle relay and 4×100 m medley relay, silver: 100 m freestyle, bronze: 4×100 m freestyle relay; 2007 Bangkok SWI silver: 4×100 m freestyle relay and 4×200 m freestyle relay, bronze: 100 m butterfly |
| Xue Cuilan | CHN |
BKB | Olympics | 1988 | 0–0–1 1987 Zagreb BAS bronze |
| Bohdan Yadov | UKR |
JUD | YOG | 2014 | 0–0–1 2015 Gwangju JUD bronze: team |
| Kanae Yagi | JPN |
WLF | Olympics | 2012—2020 | 1–0–0 2013 Kazan WLT gold: featherweight -53 kg |
| Andriy Yahodka | UKR |
FEN | Olympics | 2016 | 3–0–0 2007 Bangkok FEN gold: sabre team; 2011 Shenzhen FEN gold: sabre and sabre team |
| Iryna Yakaltsevich-Zhuk | BLR |
ATH | Olympics / YOG | 2010—2020 | 1–0–0 2017 Taipei ATH gold: pole vault (competed as Irina Zhuk) |
| Aleksey Yakimenko | RUS |
FEN | Olympics | 2004—2016 | 5–0–1 2001 Beijing FEN gold: sabre team; 2003 Daegu FEN gold: sabre team; 2005 İzmir FEN gold: sabre and sabre team; 2007 Bangkok FEN gold: sabre, bronze: sabre team |
| Nataliya Yakovleva | RUS EUN |
SWM | Olympics | 1992 | 1–0–1 1991 Sheffield SWI gold: 4×200 m freestyle relay, bronze: 4×100 m medley relay (competed for the Soviet Union) |
| Nadezhda Yakubovich | RUS URS |
ATH | Olympics | 1976 | 2–0–0 1975 Roma ATH gold: javelin throw; 1977 Sofia ATH gold: javelin throw |
| Kanae Yamabe | JPN |
JUD | Olympics | 2016 | 2–1–0 2009 Beograd JUD gold: team, silver: open class; 2011 Shenzhen JUD gold: team |
| Sachiko Yamada | JPN |
SWM | Olympics | 2000—2004 | 1–1–2 2001 Beijing SWI gold: 1500 m freestyle, silver: 4×200 m freestyle relay, bronze: 400 m freestyle and 800 m freestyle |
| Ryota Yamagata | JPN |
ATH | Olympics | 2012—2020 | 0–2–0 2013 Kazan ATH silver: 100 m and 4×100 m relay |
| Misaki Yamaguchi | JPN |
SWM | Olympics | 2008—2016 | 0–1–0 2009 Beograd SWI silver: 4×100 m freestyle relay |
| Yuki Yamaguchi | JPN |
ATH | Olympics | 2004 | 0–1–1 2005 İzmir ATH silver: 4×400 m relay, bronze: 400 m |
| Takeshi Yamakage | JPN |
SWM | Olympics | 1964 | 0–0–1 1965 Budapest SWI bronze: 4×200 m freestyle relay |
| Mayuka Yamamoto | JPN |
SWM | YOG | 2018 | 0–1–0 2019 Napoli SWI silver: 4×100 m freestyle relay |
| Seito Yamamoto | JPN |
ATH | Olympics | 2012—2020 | 0–1–0 2013 Kazan ATH silver: pole vault |
| Takahiro Yamamoto | JPN |
VVO | Olympics | 2008 | 0–1–0 1999 Palma de Mallorca VOL silver |
| Kazuya Yamamura | JPN |
FBL | Olympics | 2012 | 1–0–1 2009 Beograd FTB bronze; 2011 Shenzhen FTB gold |
| Kota Yamamura | JPN |
VVO | Olympics | 2008 | 0–1–0 2003 Daegu VOL silver |
| Eri Yamanoi | JPN |
SWM | Olympics | 1996 | 2–1–2 1997 Catania SWI gold: 400 m freestyle and 4×100 m medley relay, bronze: 800 m freestyle; 2001 Beijing SWI silver: 4×200 m freestyle relay, bronze: 4×100 m freestyle relay |
| Hiroko Yamashita | JPN |
ATH | Olympics | 1972 | 0–0–1 1970 Torino ATH bronze: long jump |
| Mayumi Yamashita | JPN |
JUD | Olympics | 2000 | 0–1–0 1999 Palma de Mallorca JUD silver: open class |
| Kyoji Yamawaki | JPN |
GAR | Olympics | 1984 | 1–2–1 1979 Ciudad de México GYM gold: horse vault, silver: floor and team, bronze: rings |
| Kazuhiko Yamazaki | JPN |
ATH | Olympics | 1992—2000 | 1–0–0 1995 Fukuoka ATH gold: 400 m hurdles |
| Yan Jiankui | CHN |
ATH | Olympics | 1996 | 1–0–0 2001 Beijing ATH gold: 4×100 m relay |
| Yan Jing | CHN |
FEN | Olympics | 1996 | 0–1–0 1995 Fukuoka FEN silver: épée team |
| Yan Ming | CHN |
SWM | Olympics | 1988—1992 | 0–0–1 1987 Zagreb SWI bronze: 800 m freestyle |
| Dmytro Yanchuk | UKR |
CSP | Olympics | 2016—2020 | 1–1–0 2013 Kazan CAN gold: C4 1000 m, silver: C4 500 m |
| Galina Yaneva | BUL |
GAR | Olympics | 1976 | 0–0–1 1977 Sofia GYM bronze: team |
| Yang Ha-Eun | KOR |
TTE | Olympics / YOG | 2010—2016 | 0–0–3 2015 Gwangju TTN bronze: singles, doubles, and team |
| Yang Hak-Seon | KOR |
GAR | Olympics | 2012—2020 | 1–1–0 2013 Kazan GYM gold: vault; 2015 Gwangju GYM silver: team |
| Yang Haoran | CHN |
SHO | Olympics / YOG | 2014—2020 | 3–1–1 2015 Gwangju SHO gold: 50 m rifle three positions, 10 m air rifle team, and 50 m rifle three positions team, silver: 10 m air rifle, bronze: 50 m rifle prone |
| Yang Heng-Wei | TPE |
TTE | YOG | 2014 | 0–1–1 2015 Gwangju TTN bronze: team; 2019 Napoli TTN silver: team |
| Yang Jinghui | CHN |
DIV | Olympics | 2004 | 2–0–0 2003 Daegu DIV gold: synchronized platform and team |
| Yang Jun | CHN |
WPO | Olympics | 2008—2016 | 2–0–0 2009 Beograd WAP gold; 2011 Shenzhen WAP gold |
| Yang Kun-Pi | TPE |
SHO | Olympics | 2016—2020 | 1–1–0 2019 Napoli SHO gold: trap, silver: trap team |
| Yang Mingxia | CHN |
ATH | Olympics | 2008 | 0–2–0 2013 Kazan ATH silver: 20 km walk team; 2015 Gwangju ATH silver: 20 km walk team |
| Yang Shaoqi | CHN |
FEN | Olympics | 2000 | 2–1–1 1995 Fukuoka FEN silver: épée team; 1997 Catania FEN bronze: épée team; 2001 Beijing FEN gold: épée and épée team |
| Yang Shu-Chun | TPE |
TKW | Olympics | 2008—2012 | 0–2–0 2005 İzmir TKW silver: finweight -47 kg; 2009 Beograd TKW silver: flyweight -51 kg |
| Yang Tae-Yeong | KOR |
GAR | Olympics | 2004—2008 | 4–1–4 2001 Beijing GYM bronze: horse vault and team; 2003 Daegu GYM gold: all-around, parallel bars, rings, and team, silver: floor, bronze: vault snd horizontal bar |
| Yang Wei | CHN |
GAR | Olympics | 2000—2008 | 2–1–0 2001 Beijing GYM gold: all-around and team, silver: horse vault |
| Yang Wenyi | CHN |
SWM | Olympics | 1988—1992 | 1–0–0 1991 Sheffield SWI gold: 50 m freestyle |
| Yang Yanqin | CHN |
ATH | Olympics | 1984 | 0–1–0 1985 Kobe ATH silver: shot put |
| Yang Yun | CHN |
GAR | Olympics | 2000 | 1–0–0 2003 Daegu GYM gold: team |
| Naphaswan Yangpaiboon | THA |
SHO | Olympics / Other | 2012—2020 | 0–1–0 2015 Gwangju SHO silver: 25 m sporting pistol team |
| Nevin Yanıt | TUR |
ATH | Olympics | 2008—2012 | 1–1–0 2007 Bangkok ATH silver: 100 m hurdles; 2009 Beograd ATH gold: 100 m hurdles |
| Kyoko Yano | JPN |
FBL | Olympics | 2004—2012 | 0–1–0 2003 Daegu FTB silver |
| Yao Chi-Ling | TPE |
WLF | YOG | 2010 | 0–0–1 2017 Taipei WLT bronze: middle-heavyweight -75 kg |
| Yao Ming | CHN |
BKB | Olympics / Other | 2000—2008 | 0–1–0 2001 Beijing BAS silver |
| Vyacheslav Yarkin | RUS |
WLF | YOG | 2014 | 0–1–0 2017 Taipei WLT silver: middleweight -77 kg |
| Svitlana Yaromka | UKR |
JUD | Olympics | 2016 | 0–0–1 2009 Beograd JUD bronze: heavyweight +78 kg |
| Anatoly Yarosh | URS UKR |
ATH | Olympics | 1980 | 0–1–0 1975 Roma ATH silver: shot put |
| Hanna Yaroshchuk-Ryzhkova | UKR |
ATH | Olympics | 2012—2020 | 1–1–0 2011 Shenzhen ATH gold: 400 m hurdles; 2013 Kazan ATH silver: 400 m hurdles |
| Iryna Yarotska | UKR |
GAR | Olympics | 2004 | 3–1–1 2003 Daegu GYM gold: all-around, floor, and balance beam, silver: team, bronze: uneven bars |
| Denis Yartsev | RUS |
JUD | Olympics | 2016 | 1–0–0 2011 Shenzhen JUD gold: lightweight -73 kg |
| Ivan Yarygin | RUS URS |
WRE | Olympics | 1972—1976 | 1–0–0 1973 Moskva WRE gold: freestyle heavyweight -100 kg |
| Lyubov Yaskevich | RUS |
SHO | Olympics | 2012 | 3–1–0 2011 Shenzhen SHO silver: 10 m air pistol team; 2013 Kazan SHO gold: 10 m air pistol, 10 m air pistol team, and 25 m sporting pistol team |
| Viktor Yastrebov | UKR |
ATH | Olympics | 2004—2008 | 0–1–0 2003 Daegu ATH silver: triple jump |
| Noriaki Yasuda | JPN |
ATH | Olympics | 1960 | 1–0–0 1959 Torino ATH gold: pole vault |
| Hisato Yasui | JPN |
SWM | Olympics | 1996 | 1–0–2 1995 Fukuoka SWI gold: 1500 m freestyle, bronze: 800 m freestyle; 1997 Catania SWI bronze: 400 m freestyle |
| Gökhan Yavaşer | TUR |
WRE | Olympics | 2004 | 0–0–1 2005 İzmir WRE bronze: freestyle light-heavyweight -84 kg |
| Ye Chong | CHN |
FEN | Olympics | 1988—2004 | 0–1–1 1993 Buffalo FEN bronze: foil team; 1995 Fukuoka FEN silver: foil team |
| Ye Li | CHN |
BKB | Olympics | 2004 | 1–0–0 2003 Daegu BAS gold |
| Ye Qiuyu | CHN |
TEN | YOG | 2014 | 2–0–1 2019 Napoli TEN gold: doubles and team, bronze: mixed doubles |
| Ivan Yedeshko | BLR URS |
BKB | Olympics | 1972—1976 | 1–1–0 1970 Torino BAS gold; 1973 Moskva BAS silver |
| Yuliya Yefimova | ROC RUS |
SWM | Olympics | 2008—2020 | 4–0–0 2013 Kazan SWI gold: 50 m breaststroke, 100 m breaststroke, 200 m breaststroke, and 4×100 m medley relay |
| Antonina Yefremova | UKR |
ATH | Olympics | 2004—2008 | 1–0–1 2005 İzmir ATH bronze: 4×400 m relay; 2007 Bangkok ATH gold: 4×400 m relay |
| Yana Yegoryan | RUS |
FEN | Olympics / YOG | 2010—2016 | 0–0–1 2013 Kazan FEN bronze: sabre team |
| Yuriy Yehoshyn | UKR |
SWM | Olympics | 2004—2008 | 1–0–3 2003 Daegu SWI gold: 4×100 m medley relay, bronze: 100 m freestyle and 4×100 m freestyle relay; 2007 Bangkok SWI bronze: 4×100 m medley relay |
| Leonid Yekimov | ROC RUS |
SHO | Olympics | 2008—2020 | 8–4–2 2007 Bangkok SHO gold: 10 m air pistol, 50 m free pistol, 25 m rapid fire pistol team, 25 m standard pistol team, and 50 m free pistol team, silver: 25 m rapid fire pistol and 10 m air pistol team, bronze: 25 m standard pistol; 2013 Kazan gold: 25 m standard pistol, 25 m rapid fire pistol team, and 50 m free pistol team, silver: 25 m rapid fire pistol and 25 m standard pistol team, bronze: 10 m air pistol team |
| Yeo Beom-Gyu | KOR |
FBL | Olympics | 1988 | 0–1–0 1987 Zagreb FTB silver |
| Yeo Hong-Cheol | KOR |
GAR | Olympics | 1992—2000 | 1–1–0 1991 Sheffield GYM gold: horse vault; 1993 Buffalo GYM silver: horse vault |
| Andrey Yepishin | RUS |
ATH | Olympics | 2004—2008 | 0–2–0 2003 Daegu ATH silver: 4×100 m relay; 2005 İzmir ATH silver: 100 m |
| Arman Yeremyan | ARM |
TKW | Olympics / Other | 2012 | 0–0–3 2005 İzmir TKW bronze: lightweight -72 kg; 2007 Bangkok TKW bronze: welterweight -78 kg; 2009 Beograd TKW bronze: welterweight -78 kg |
| Yernar Yerimbetov | KAZ |
GAR | Olympics | 2004 | 2–2–1 2003 Daegu GYM gold: vault and parallel bars, silver: all-around; 2005 İzmir GYM silver: parallel bars, bronze: vault |
| Oksana Yermakova | EST RUS |
FEN | Olympics | 1996—2004 | 1–1–0 1997 Catania FEN silver: épée team (competed for Russia); 1999 Palma de Mallorca FEN gold: épée (competed for Russia) |
| Tamara Yerofieieva | UKR |
GRY | Olympics | 2000 | 4–1–0 2001 Beijing RGY gold: individual, ball, hoop, and rope, silver: clubs |
| Vasily Yershov | URS UKR |
ATH | Olympics | 1976 | 1–0–0 1977 Sofia ATH gold: javelin throw |
| Inna Yevseyeva | URS UKR EUN |
ATH | Olympics | 1988—1992 | 1–1–1 1989 Duisburg ATH bronze: 800 m (competed for the Soviet Union); 1991 Sheffield ATH gold: 800 m, silver: 4×400 m relay (competed for the Soviet Union) |
| Yekaterina Yevseyeva | KAZ |
ATH | Olympics | 2008 | 0–1–0 2009 Beograd ATH silver: high jump |
| Nadezhda Yevstyukhina | RUS |
WLF | Olympics | 2008—2012 | 0–1–0 2013 Kazan WLT silver: middle-heavyweight -75 kg |
| Lyudmila Yezhova-Grebenkova | RUS |
GAR | Olympics | 2004—2008 | 2–1–1 2001 Beijing GYM gold: all-around and balance beam, silver: team, bronze: uneven bars (competed as Lyudmila Yezhova) |
| Yi Jingqian | CHN |
TEN | Olympics | 1996—2000 | 2–0–0 1993 Buffalo TEN gold: singles and doubles |
| Yi Siling | CHN |
SHO | Olympics | 2012—2016 | 2–0–0 2015 Gwangju SHO gold: 10 m air rifle team and 50 m rifle three positions team |
| Alexandre Yokochi | POR |
SWM | Olympics | 1984—1992 | 1–1–0 1985 Kobe SWI silver: 200 m breaststroke; 1987 Zagreb SWI gold: 200 m breaststroke |
| Saburo Yokomizo | JPN |
ATH | Olympics | 1964 | 0–1–0 1959 Torino ATH silver: 5000 m |
| Tadayoshi Yokota | JPN |
VVO | Olympics | 1968—1976 | 1–0–0 1967 Tokyo VOL gold |
| Isao Yoneda | JPN |
GAR | Olympics | 2004 | 0–1–0 2001 Beijing GYM silver: team |
| Shuichi Yoneshige | JPN |
ATH | Olympics | 1988 | 1–0–2 1983 Edmonton ATH gold: 10000 m, bronze: 5000 m; 1985 Kobe ATH bronze: 10000 m |
| Kazutomo Yoneyama | JPN |
VVO | Olympics | 1988 | 1–0–0 1985 Kobe VOL gold |
| Diana Yorgova | BUL |
ATH | Olympics | 1964—1972 | 0–1–1 1961 Sofia ATH silver: long jump, bronze: 4×100 m relay |
| Keisuke Yoshida | JPN |
SWM | YOG | 2018 | 1–0–0 2019 Napoli SWI gold: 400 m freestyle |
| Ryoichi Yoshida | JPN |
ATH | Olympics | 1984—1988 | 0–0–1 1987 Zagreb ATH bronze: 400 m hurdles |
| Saori Yoshida | JPN |
WRE | Olympics / Other | 2004—2016 | 1–0–0 2005 İzmir WRE gold: freestyle lightweight -55 kg |
| Jo Yoshimi | JPN |
SWM | Olympics | 1996 | 0–1–0 1995 Fukuoka SWI silver: 200 m medley |
| Maharu Yoshimura | JPN |
TTE | Olympics | 2016 | 0–1–0 2013 Kazan TTN silver: team |
| Haruo Yoshimuta | JPN |
SWM | Olympics | 1960—1964 | 6–0–0 1961 Sofia SWI gold: 200 m butterfly, 4×100 m freestyle relay, and 4×100 m medley relay; 1963 Porto Alegre SWI gold: 400 m freestyle, 1500 m freestyle, and 4×100 m freestyle relay |
| Ken Yoshizawa | JPN |
ATH | Olympics | 2004 | 0–0–1 2001 Beijing ATH bronze: 4×400 m relay |
| Dannette Young | USA |
ATH | Olympics | 1988—1996 | 1–0–1 1987 Zagreb ATH gold: 4×100 m relay, bronze: 200 m |
| Katrina Young | USA |
DIV | Olympics | 2016—2020 | 0–1–0 2013 Kazan DIV silver: team |
| Aaron Younger | AUS |
WPO | Olympics | 2012—2020 | 1–0–0 2009 Beograd WAP gold |
| Yu Ai-Wen | TPE |
SHO | Olympics | 2012—2016 | 1–0–0 2019 Napoli SHO gold: 10 m air pistol team |
| Yu Chun-An | TPE |
GLF | YOG | 2014 | 0–0–2 2017 Taipei GOL bronze: individual and team |
| Yu Dan | CHN |
SHO | Olympics | 2012 | 1–1–1 2013 Kazan SHO gold: 50 m rifle three positions team, silver: 10 m air rifle, bronze: 10 m air rifle team |
| Yu Guan-Lin | TPE |
ARC | Olympics | 2016 | 0–1–0 2015 Gwangju ARC silver: recurve team |
| Yu In-Tak | KOR |
WRE | Olympics | 1984 | 0–1–0 1981 București WRE silver: freestyle lightweight -68 kg |
| Yu Jin-Seon | KOR |
TEN | Olympics | 1988 | 0–0–1 1985 Kobe TEN bronze: mixed doubles |
| Yu Rui | CHN |
SWM | Olympics | 2004 | 0–0–1 2001 Beijing SWI bronze: 200 m backstroke |
| Yu Seong-Yeon | KOR |
JUD | Olympics | 2000 | 0–0–1 1999 Palma de Mallorca JUD bronze: middleweight -90 kg |
| Yu So-Jeong | KOR |
HBL | Olympics / YOG | 2014—2016 | 0–1–0 2015 Gwangju HAN silver |
| Yu Song | CHN |
JUD | Olympics | 2016 | 0–1–0 2011 Shenzhen JUD silver: team |
| Yu Wei | CHN |
ATH | Olympics | 2016 | 1–0–0 2011 Shenzhen ATH gold: 20 km walk team |
| Yu Won-Cheol | KOR |
GAR | Olympics | 2008—2016 | 0–1–0 2005 İzmir GYM silver: team |
| Yu Yeon-Seong | KOR |
BDM | Olympics | 2012—2016 | 1–0–0 2007 Bangkok BDM gold: mixed doubles |
| Yuan Chao | CHN |
JUD | Olympics | 1996 | 0–0–1 1995 Fukuoka JUD bronze: half-middleweight -78 kg |
| Yuan Hua | CHN |
JUD | Olympics | 2000 | 4–0–0 1999 Palma de Mallorca JUD gold: heavyweight +78 kg and open class; 2001 Beijing JUD gold: heavyweight +78 kg and team |
| Yuan Shu-Chi | TPE |
ARC | Olympics | 2004—2008 | 0–1–1 2011 Shenzhen ARC silver: recurve mixed team, bronze: recurve team |
| Kiyoo Yui | JPN |
ATH | Olympics | 1964—1968 | 0–0–1 1967 Tokyo ATH bronze: 400 m hurdles |
| Yun Mi-Jin | KOR |
ARC | Olympics | 2000—2004 | 2–1–0 2003 Daegu ARC gold: recurve team, silver: recurve; 2005 İzmir ARC gold: recurve team |
| Yun Yong-Il | KOR |
TEN | Olympics | 1996—2000 | 3–0–0 1995 Fukuoka TEN gold: singles; 1997 Catania TEN gold: singles and doubles |
| Sniazhana Yurchanka | BLR |
ATH | Olympics | 2008 | 0–0–1 2007 Bangkok ATH bronze: 20 km walk |
| Aleh Yurenia | BLR |
CSP | Olympics | 2012—2020 | 0–1–1 2013 Kazan CAN silver: K1 1000 m, bronze: K4 1000 m |
| Lidziya Yurkauna | BLR |
ATH | Olympics | 1996 | 0–1–0 1989 Duisburg ATH silver: 100 m hurdles (competed as Lidiya Okolo-Kulak for the Soviet Union) |
| Volha Yurkina | BLR |
GAR | Olympics | 1996 | 1–0–0 1995 Fukuoka GYM gold: floor |
| Yury Yurkov | KAZ |
SHO | Olympics | 2008—2020 | 1–1–0 2007 Bangkok SHO gold: 50 m rifle three positions, silver: 50 m rifle three positions team |
| Yekaterina Yusheva | RUS |
FEN | Olympics | 2000—2004 | 0–0–3 1999 Palma de Mallorca FEN bronze: foil team; 2001 Beijing FEN bronze: foil and foil team |
| Aliya Yusupova | KAZ |
GRY | Olympics | 2004—2008 | 0–0–4 2005 İzmir RGY bronze: ball; 2007 Bangkok RGY bronze: clubs; 2009 Beograd RGY bronze: individual and hoop |
| Irina Zabludina | RUS |
JUD | Olympics | 2012—2016 | 0–0–2 2007 Bangkok JUD bronze: team; 2013 Kazan JUD bronze: team |
| Sergey Zabolotnov | URS UZB |
SWM | Olympics | 1988 | 4–1–1 1981 București SWI gold: 100 m backstroke, 200 m backstroke, and 4×100 m medley relay; 1983 Edmonton SWI gold: 200 m backstroke; 1985 Kobe SWI silver: 4×100 m medley relay (swam in heats only), bronze: 100 m backstroke |
| Filip Zaborowski | POL |
SWM | Olympics | 2016 | 0–0–1 2019 Napoli SWI bronze: 800 m freestyle |
| Claudia Zaczkiewicz | FRG |
ATH | Olympics | 1988 | 0–0–2 1989 Duisburg ATH bronze: 100 m hurdles and 4×100 m relay |
| Ginka Zagorcheva | BUL |
ATH | Olympics | 1988 | 1–0–1 1985 Kobe ATH gold: 100 m hurdles, bronze: 4×100 m relay |
| Petra Záhonyi | HUN |
FEN | YOG | 2014 | 0–1–0 2017 Taipei FEN silver: sabre team |
| Anton Zakharov | UKR |
DIV | Olympics | 2004—2012 | 0–0–1 2007 Bangkok DIV bronze: synchronized springboard |
| Ilya Zakharov | RUS |
DIV | Olympics | 2012—2016 | 4–2–2 2011 Shenzhen DIV silver: synchronized platform, bronze: 3 m springboard and team; 2013 Kazan DIV gold: synchronized springboard, silver: team; 2017 Taipei DIV gold: 3 m springboard, synchronized springboard, and team |
| Nadezhda Zakharova | RUS URS |
BKB | Olympics | 1976 | 1–0–0 1973 Moskva BAS gold |
| Stella Zakharova | URS UKR |
GAR | Olympics | 1980 | 1–2–2 1981 București GYM gold: horse vault, silver: all-around and team, bronze: floor and balance beam |
| Katarzyna Żakowicz | POL |
ATH | Olympics | 2000 | 0–0–1 2001 Beijing ATH bronze: shot put |
| Margherita Zalaffi | ITA |
FEN | Olympics | 1984—2000 | 4–1–1 1985 Kobe FEN gold: foil team; 1989 Duisburg FEN gold: foil team; 1991 Sheffield FEN gold: foil team, silver: épée team, bronze: foil; 1993 Buffalo FEN gold: foil team |
| Gergő Zalánki | HUN |
WPO | Olympics | 2016—2020 | 1–0–0 2015 Gwangju WAP gold |
| Svetlana Zalevskaya | KAZ |
ATH | Olympics | 1996—2000 | 0–1–0 1995 Fukuoka ATH silver: high jump |
| Krystian Zalewski | POL |
ATH | Olympics | 2016 | 1–0–0 2017 Taipei ATH gold: 3000 m steeplechase |