Host cities:
| Athlete | Nation(s) | Sport(s) | Role(s) | Era | Notes |
|---|---|---|---|---|---|
| Nicolae Zamfir | WRE | Olympics | 1984 | 1–0–0 1981 București WRE gold: Greco-Roman bantamweight -57 kg | |
| Andrey Zamkovoy | BOX | Olympics | 2012—2020 | 1–0–0 2013 Kazan BOX gold: welterweight -69 kg | |
| Yelena Zamolodchikova | GAR | Olympics | 2000—2004 | 0–1–3 2005 İzmir GYM bronze: team; 2007 Bangkok GYM bronze: floor and team; 2009 Beograd GYM silver: team | |
| Arthur Zanetti | GAR | Olympics | 2012—2020 | 2–0–0 2011 Shenzhen GYM gold: rings; 2013 Kazan GYM gold: rings | |
| Paulo Zanetti | SWM | Olympics | 1972 | 0–0–1 1973 Moskva SWI bronze: 4×100 m medley relay | |
| Hugues Zango | ATH | Olympics / Opening Flagbearer / Closing Flagbearer | 2016—2024 | 0–2–0 2015 Gwangju ATH silver: triple jump; 2017 Taipei ATH silver: triple jump | |
| Lucija Zaninović | TKW | Olympics | 2012—2016 | 0–1–0 2015 Gwangju TKW silver: flyweight -49 kg | |
| Teodora Zareva | ROW | Olympics | 1988—1992 | 1–0–0 1987 Zagreb ROW gold: coxless pairs | |
| Violeta Zareva | ROW | Olympics | 1988—1992 | 1–0–0 1987 Zagreb ROW gold: coxless pairs | |
| Amina Zaripova | GRY | Olympics | 1996 | 1–2–1 1997 Catania RGY gold: clubs, silver: ribbon and rope, bronze: all-around | |
| Yuliya Zaripova | ATH | Olympics | 2012 | 1–0–0 2013 Kazan ATH gold: 3000 m steeplechase | |
| Anton Zarutsky | ROW | Olympics | 2016 | 1–0–0 2013 Kazan ROW gold: eights | |
| Irina Zaryazhko-Korolyova | VVO | Olympics | 2016—2020 | 2–0–0 2013 Kazan VOL gold; 2015 Gwangju VOL gold | |
| Barbora Závadová | SWM | Olympics / YOG | 2010—2016 | 0–1–0 2015 Gwangju SWI silver: 400 m medley | |
| Denys Zavhorodnyi | SWM | Olympics | 1996 | 0–0–2 1999 Palma de Mallorca SWI bronze: 400 m freestyle and 800 m freestyle | |
| Vyacheslav Zaytsev | VVO | Olympics | 1976—1988 | 1–0–0 1973 Moskva VOL gold | |
| Georgi Zažitski | FEN | Olympics | 1972 | 1–0–0 1973 Moskva FEN gold: épée team | |
| Dragan Zdravković | ATH | Olympics / Non-starter | 1980—1984 | 0–0–1 1985 Kobe ATH bronze: 1500 m | |
| Sepp Zeilbauer | ATH | Olympics | 1972—1980 | 3–0–0 1975 Roma ATH gold: decathlon; 1977 Sofia ATH gold: decathlon; 1979 Ciudad de México ATH gold: decathlon | |
| Igor Zelenay | TEN | Olympics | 2016 | 0–1–2 2003 Daegu TEN silver: singles, bronze: doubles and mixed doubles | |
| Kristupas Žemaitis | BK3 | YOG | 2014 | 1–0–0 2017 Taipei BAS gold | |
| Viktorija Žemaitytė | ATH | Olympics | 2008 | 1–1–0 2007 Bangkok ATH gold: heptathlon; 2011 Shenzhen ATH silver: heptathlon | |
| Jiří Žemba | ATH | Olympics | 1964 | 0–1–0 1965 Budapest ATH silver: discus throw | |
| Laura Zeng | GRY | Olympics / YOG | 2014—2020 | 0–0–1 2019 Napoli RGY bronze: individual | |
| Zeng Xiujun | ATH | Olympics | 2000 | 1–1–0 2001 Beijing ATH gold: 4×100 m relay, silver: 100 m | |
| Zevegiin Düvchin | WRE | Olympics / Opening Flagbearer | 1976—1988 | 1–0–0 1977 Sofia WRE gold: freestyle middleweight -82 kg | |
| Daryna Zevina | SWM | Olympics / YOG | 2010—2020 | 0–1–0 2013 Kazan SWI silver: 200 m backstroke | |
| Zhan Jian | TTE | Olympics | 2012 | 1–1–0 2007 Bangkok TTN gold: team, silver: mixed doubles | |
| Zhan Shu | SWM | Olympics | 2000—2004 | 1–0–1 2003 Daegu SWI gold: 4×100 m medley relay, bronze: 4×100 m freestyle relay | |
| Zhang Fan | BKB | Olympics | 2004—2012 | 1–0–0 2003 Daegu BAS gold | |
| Zhang Hanlan | BKB | Olympics | 2008 | 0–1–0 2001 Beijing BAS silver | |
| Zhang Jingjing | SHO | Olympics | 2016 | 0–0–1 2013 Kazan SHO bronze: 25 m sporting pistol team | |
| Zhang Jingsong | BKB | Olympics | 2000—2004 | 0–1–1 1993 Buffalo BAS bronze; 2001 Beijing BAS silver | |
| Zhang Jun | ATH | Olympics | 2012 | 0–1–0 2009 Beograd ATH silver: shot put | |
| Zhang Lei | FEN | Olympics | 2000—2008 | 2–0–1 2001 Beijing FEN gold: foil team, bronze: foil; 2003 Daegu FEN gold: foil team | |
| Zhang Lei | WPO | Olympics | 2012 | 1–0–0 2011 Shenzhen WAP gold | |
| Zhang Lei | VVO | Olympics | 2012 | 0–1–0 2011 Shenzhen VOL silver | |
| Zhang Li | FEN | Olympics | 2004 | 0–2–2 2003 Daegu FEN silver: épée and épée team; 2005 İzmir FEN bronze: épée team; 2007 Bangkok FEN bronze: épée team | |
| Zhang Lianbiao | ATH | Olympics | 1992—1996 | 1–0–0 1995 Fukuoka ATH gold: javelin throw | |
| Zhang Liangliang | FEN | Olympics | 2012 | 2–0–0 2003 Daegu FEN gold: foil and foil team | |
| Zhang Miao | CTR | Olympics | 2012 | 1–0–1 2011 Shenzhen CYC gold: Keirin, bronze: sprint | |
| Zhang Nan | GAR | Olympics | 2004 | 3–0–1 2005 İzmir GYM gold: balance beam and team, bronze: floor; 2007 Bangkok GYM gold: team | |
| Zhang Peimeng | ATH | Olympics | 2008—2016 | 0–1–1 2007 Bangkok ATH silver: 100 m, bronze: 4×100 m relay | |
| Zhang Wei | BDM | Non-starter | 2000 | 0–1–1 2007 Bangkok BDM silver: team, bronze: doubles | |
| Zhang Xiaoni | BKB | Olympics | 2008 | 1–1–0 2001 Beijing BAS silver; 2003 Daegu BAS gold | |
| Zhang Ying | FEN | Olympics | 2004 | 1–1–1 1999 Palma de Mallorca FEN bronze: épée team; 2001 Beijing FEN silver: sabre team; 2003 Daegu FEN gold: sabre team | |
| Zhang Yingying | ATH | Olympics | 2008 | 1–1–1 2015 Gwangju ATH gold: half marathon, silver: half marathon team, bronze: 10000 m | |
| Zhao Lihong | FBL | Olympics | 1996—2000 | 1–0–0 1993 Buffalo FTB gold | |
| Zhao Rong | FBL | Olympics | 2016 | 1–0–0 2011 Shenzhen FTB gold | |
| Zhao Shuai | TKW | Olympics / Opening Flagbearer | 2016—2020 | 0–2–0 2015 Gwangju TKW silver: bantamweight -63 kg and Kyorugi team | |
| Zhao Tao | SWM | Olympics | 2004 | 0–0–1 2005 İzmir SWI bronze: 200 m medley | |
| Lyudmila Zharkova-Maslakova | ATH | Olympics | 1968—1980 | 5–0–0 1970 Torino ATH gold: 4×100 m relay (competed as Lyudmila Zharkova); 1973 Moskva ATH gold: 4×100 m relay (competed as Lyudmila Zharkova); 1975 Roma ATH gold: 100 m and 4×100 m relay (competed as Lyudmila Maslakova); 1977 Sofia ATH gold: 4×100 m relay (competed as Lyudmila Maslakova) | |
| Alzhan Zharmukhamedov | BKB | Olympics | 1972—1976 | 1–0–0 1970 Torino BAS gold | |
| Innokenty Zharov | ATH | Olympics | 1996 | 0–1–0 1995 Fukuoka ATH silver: 4×400 m relay | |
| Viktor Zhdanovich | FEN | Olympics / Referee | 1956—1972 | 1–2–1 1959 Torino FEN gold: foil team; 1961 Sofia FEN silver: foil and foil team; 1963 Porto Alegre FEN bronze: foil team | |
| Sergey Zhelanov | ATH | Olympics | 1980 | 0–1–0 1981 București ATH silver: decathlon | |
| Mihail Zhelev | ATH | Olympics | 1968—1972 | 1–0–0 1970 Torino ATH gold: 3000 m steeplechase | |
| Mikhail Zhelobovsky | ATH | Olympics | 1968 | 1–0–0 1973 Moskva ATH gold: 5000 m | |
| Zheng Dongmei | BKB | Olympics | 1992—1996 | 1–0–0 1993 Buffalo BAS gold | |
| Zheng Haixia | BKB | Olympics | 1984—1996 | 1–0–1 1987 Zagreb BAS bronze; 1993 Buffalo BAS gold | |
| Zheng Lihui | GAR | Olympics | 2000 | 3–1–2 1997 Catania GYM gold: all-around and team, silver: horizontal bar; 1999 Palma de Mallorca GYM bronze: team; 2001 Beijing GYM gold: team, bronze: floor | |
| Zheng Shuyin | TKW | Olympics / YOG | 2010—2020 | 1–0–0 2015 Gwangju TKW gold: middleweight -73 kg | |
| Zheng Wu | BKB | Olympics | 1996—2000 | 0–0–1 1993 Buffalo BAS bronze | |
| Dmitry Zherebchenko | FEN | Non-starter | 2016 | 1–0–0 2009 Beograd FEN gold: foil team | |
| Oleg Zhestkov | CSP | Olympics | 2012—2016 | 2–0–0 2013 Kazan CAN gold: K4 500 m and K4 1000 m | |
| Dar'ia Zhoba | GAR | Olympics | 2008 | 1–1–1 2007 Bangkok GYM gold: uneven bars, silver: team; 2009 Beograd GYM bronze: balance beam | |
| Valeriya Zholobova-Koblova | WRE | Olympics | 2012—2020 | 1–0–0 2013 Kazan WRE gold: freestyle lightweight -55 kg | |
| Zhong Honglian | FBL | Non-starter | 1996 | 1–0–0 1993 Buffalo FTB gold | |
| Zhong Huandi | ATH | Olympics | 1988—1992 | 0–1–0 1987 Zagreb ATH silver: 10000 m | |
| Zhong Ling | GRY | Olympics | 2004 | 0–1–1 2001 Beijing RGY silver: ball, bronze: hoop | |
| Zhong Man | FEN | Olympics | 2008—2012 | 1–0–1 2009 Beograd FEN gold: sabre team, bronze: sabre | |
| Zhong Weiping | FEN | Olympics | 2004—2008 | 1–0–1 2001 Beijing FEN gold: épée team; 2007 Bangkok FEN bronze: épée team | |
| Zhou Hong | VVO | Olympics / Non-starter | 1988—1992 | 1–0–0 1987 Zagreb VOL gold | |
| Zhou Qiurui | GAR | Olympics / Referee / Official Oath Taker | 1984—2024 | 0–0–1 1985 Kobe GYM bronze: team | |
| Zhou Shouying | ROW | Olympics | 1988—1992 | 0–0–1 1989 Duisburg ROW bronze: coxless fours | |
| Zhou Tianhua | ATH | Olympics | 1992 | 1–1–1 1989 Duisburg ATH bronze: shot put; 1991 Sheffield ATH silver: shot put; 1993 Buffalo ATH gold: shot put | |
| Zhou Yilin | SWM | Olympics | 2016 | 1–1–0 2015 Gwangju SWI gold: 200 m butterfly, silver: 4×200 m freestyle relay | |
| Olha Zhovnir | FEN | Olympics | 2008 | 0–1–0 2007 Bangkok FEN silver: sabre team | |
| Zhu Fangyu | BKB | Olympics | 2004—2012 | 0–1–0 2001 Beijing BAS silver | |
| Zhu Jianhua | ATH | Olympics | 1984—1988 | 0–1–0 1981 București ATH silver: high jump | |
| Zhu Jinhong | DIV | Olympics | 1992 | 1–0–0 1997 Catania DIV gold: 3 m springboard | |
| Zhu Jun | FEN | Olympics | 2008—2012 | 1–0–1 2011 Shenzhen FEN gold: foil team, bronze: foil | |
| Zhu Minzhu | FEN | Olympics | 1984 | 0–0–1 1989 Duisburg FEN bronze: foil team | |
| Zhu Qianwei | SWM | Olympics | 2008—2012 | 1–0–2 2011 Shenzhen SWI gold: 4×100 m medley relay (swam in heats only), bronze: 4×100 m freestyle relay and 4×200 m freestyle relay | |
| Zhu Qingyuan | FEN | Olympics | 1984—1988 | 1–0–0 1983 Edmonton FEN gold: foil team | |
| Zhu Yingwen | SWM | Olympics | 2004—2008 | 0–2–0 2007 Bangkok SWI silver: 4×100 m freestyle relay and 4×200 m freestyle relay | |
| Zhuang Yong | SWM | Olympics | 1988—1992 | 2–1–0 1991 Sheffield SWI gold: 100 m freestyle and 4×100 m freestyle relay, silver: 50 m freestyle | |
| Ina Zhukava | GRY | Olympics | 2004—2008 | 0–0–2 2005 İzmir RGY bronze: rope; 2007 Bangkok RGY bronze: hoop | |
| Olena Zhupina | DIV | Olympics | 1996—2004 | 0–2–0 2001 Beijing DIV silver: synchronized springboard and team | |
| Octavian Zidaru | FEN | Olympics | 1980 | 2–0–1 1977 Sofia FEN gold: épée team; 1979 Ciudad de México FEN bronze: épée team; 1981 București FEN gold: épée team | |
| Rolf Ziegler | ATH | Olympics | 1972 | 1–0–2 1975 Roma ATH gold: 400 m hurdles; 1977 Sofia ATH bronze: 400 m hurdles and 4×400 m relay | |
| Nataliya Ziganshina | GAR | Olympics | 2004 | 0–0–1 2005 İzmir GYM bronze: team | |
| Felicia Zimmermann | FEN | Olympics | 1996—2000 | 0–1–0 1999 Palma de Mallorca FEN silver: foil team | |
| Iris Zimmermann | FEN | Olympics | 2000 | 0–1–0 1999 Palma de Mallorca FEN silver: foil team | |
| Moacir Zimmermann | ATH | Olympics | 2016 | 0–0–2 2009 Beograd ATH bronze: 20 km walk; 2011 Shenzhen ATH bronze: 20 km walk | |
| Oleksandr Zinenko | SHO | Olympics | 2000 | 0–1–1 2007 Bangkok SHO silver: 10 m running target team (men), bronze: 10 m running target team (mixed) | |
| Yevhen Ziukov | ATH | Olympics | 2000—2004 | 1–1–0 2001 Beijing ATH silver: 4×400 m relay; 2003 Daegu ATH gold: 4×400 m relay | |
| Volodymyr Ziuskov | ATH | Olympics | 2004 | 1–0–0 2005 İzmir ATH gold: long jump | |
| Rajko Žižić | BKB | Olympics | 1976—1984 | 0–2–0 1979 Ciudad de México BAS silver; 1983 Edmonton BAS silver | |
| Svetla Zlateva | ATH | Olympics | 1972—1976 | 0–0–1 1977 Sofia ATH bronze: 800 m (competed as Svetla Koleva) | |
| Flavia Zoccari | SWM | Olympics | 2008 | 0–0–1 2007 Bangkok SWI bronze: 4×200 m freestyle relay | |
| Carlotta Zofkova | SWM | Olympics | 2016 | 1–0–1 2015 Gwangju SWI gold: 4×100 m medley relay; 2017 Taipei SWI bronze: 4×100 m medley relay relay | |
| Aleksandr Zolotarev | ATH | Olympics | 1968 | 0–1–0 1963 Porto Alegre ATH silver: triple jump | |
| Tatyana Zolotnitskaya | SWM | Olympics | 1972 | 0–2–0 1973 Moskva SWI silver: 4×100 m freestyle relay and 4×100 m medley relay | |
| Nataliya Zolotukhina | SWM | Olympics | 1996 | 0–0–1 1999 Palma de Mallorca SWI bronze: 4×100 m medley relay | |
| Ileana Zörgö-Raduly | ATH | Olympics | 1972—1980 | 1–0–1 1975 Roma ATH bronze: javelin throw (competed as Ileana Zörgö); 1979 Ciudad de México ATH gold: javelin throw | |
| Stevan Zorić | ATH | Olympics | 1992—2000 | 0–1–0 1993 Buffalo ATH silver: high jump (competed as Independent Participant) | |
| Yury Zorin | ATH | Olympics | 1972 | 0–1–0 1970 Torino ATH silver: 4×400 m relay | |
| Nebojša Zorkić | BKB | Olympics | 1984 | 0–1–0 1983 Edmonton BAS silver | |
| Zac Zorn | SWM | Olympics | 1968 | 1–0–1 1967 Tokyo SWI gold: 4×100 m freestyle relay, bronze: 100 m freestyle | |
| Andrea Zorzi | VVO | Olympics | 1988—1996 | 0–0–1 1987 Zagreb VOL bronze | |
| Zou Zhenxian | ATH | Olympics | 1984 | 1–0–0 1981 București ATH gold: triple jump | |
| Vincent Zouaoui-Dandrieux | ATH | Olympics | 2008—2012 | 0–1–0 2003 Daegu ATH silver: 3000 m steeplechase | |
| Roman Zozulia | GAR | Olympics | 2000—2004 | 0–1–1 2003 Daegu GYM silver: team, bronze: rings | |
| Györgyi Zsivóczky-Farkas | ATH | Olympics | 2008—2016 | 0–1–0 2013 Kazan ATH silver: heptathlon (competed as as Győrgyi Farkas) | |
| Gyula Zsivótzky | ATH | Olympics / Closing Flagbearer | 1960—1972 | 3–1–0 1959 Torino ATH gold: hammer throw; 1961 Sofia ATH gold: hammer throw; 1963 Porto Alegre ATH silver: hammer throw; 1965 Budapest ATH gold: hammer throw | |
| Vita Zubchenko | GRY | Olympics | 2008 | 0–1–2 2009 Beograd RGY silver: group 3 ribbons + 2 ropes, bronze: group all-around and group 5 hoops | |
| Martina Zubčić | TKW | Olympics | 2008 | 0–0–1 2009 Beograd TKW bronze: featherweight -59 kg | |
| Kateryna Zubkova | SWM | Olympics | 2004—2008 | 0–1–0 2007 Bangkok SWI silver: 100 m backstroke | |
| Petra Zublasing | SHO | Olympics | 2012—2016 | 1–0–0 2011 Shenzhen SHO gold: 10 m air rifle | |
| Boris Zubov | ATH | Olympics | 1964 | 0–1–0 1965 Budapest ATH silver: 4×100 m relay | |
| Olga Zubova | WLF | YOG | 2010 | 1–0–0 2013 Kazan WLT gold: middle-heavyweight -75 kg | |
| Franco Zucchi | ROW | Olympics | 1988—1996 | 1–1–0 1987 Zagreb ROW silver: coxed fours; 1989 Duisburg ROW gold: eights | |
| Steffen Zühlke | ROW | Olympics | 1988 | 1–0–0 1987 Zagreb ROW gold: single sculls | |
| Robertas Žulpa | SWM | Olympics | 1980 | 1–0–0 1983 Edmonton SWI gold: 200 m breaststroke | |
| Anastasiya Zuyeva-Fesikova | SWM | Olympics | 2008—2020 | 3–0–0 2013 Kazan SWI gold: 50 m backstroke, 100 m backstroke, and 4×100 m medley relay (competed as Anastasiya Zuyeva) | |
| Claudia Zwiers | JUD | Olympics | 1996—2004 | 0–1–0 2001 Beijing JUD silver: half-heavyweight -78 kg | |
| Viktoriya Zyabkina | ATH | Olympics | 2012—2016 | 3–0–0 2015 Gwangju ATH gold: 100 m, 200 m, and 4×100 m relay |