Host cities:
| Athlete | Nation(s) | Sport(s) | Role(s) | Era | Notes |
|---|---|---|---|---|---|
| Yang Wenyi | CHN |
SWM | Olympics | 1988—1992 | 0–0–0 1991 Perth gold: 50 m backstroke (demonstration event) |
| Yang Yu | CHN |
SWM | Olympics | 2000—2008 | 2–1–4 2001 Fukuoka SWI silver: 200 m freestyle; 2003 Barcelona SWI gold: 4×100 m medley relay, bronze: 200 m freestyle and 4×200 m freestyle relay; 2005 Montréal SWI bronze: 200 m freestyle and 4×200 m freestyle relay; 2009 Roma SWI gold: 4×200 m freestyle relay |
| Lea Yanitsas | AUS |
WPO | Olympics | 2016—2020 | 0–0–1 2019 Gwangju WAP bronze |
| Vadim Yaroshchuk | URS UKR |
SWM | Olympics | 1988 | 0–1–1 1986 Madrid SWI silver: 400 m medley, bronze: 200 m medley |
| Yury Yatsev | RUS |
WPO | Olympics | 2000 | 0–0–1 2001 Fukuoka WAP bronze |
| Mariya Yayna | RUS |
WPO | Olympics | 2004 | 0–0–1 2003 Barcelona WAP bronze |
| Ye Shiwen | CHN |
SWM | Olympics | 2012—2024 | 1–2–0 2011 Shanghai SWI gold: 200 m medley; 2019 Gwangju SWI silver: 200 m medley and 400 m medley |
| Yuliya Yefimova | ROC RUS |
SWM | Olympics | 2008—2020 | 6–7–4 2009 Roma SWI gold: 50 m breaststroke, silver: 100 m breaststroke; 2011 Shanghai SWI silver: 50 m breaststroke and 200 m breaststroke; 2013 Barcelona SWI gold: 50 m breaststroke and 200 m breaststroke, silver: 100 m breaststroke, bronze: 4×100 m medley relay; 2015 Kazan SWI gold: 100 m breaststroke, bronze: 50 m breaststroke; 2017 Budapest SWI gold: 200 m breaststroke, silver: 50 m breaststroke and 4×100 m medley relay, bronze: 100 m breaststroke; 2019 Gwangju SWI gold: 200 m breaststroke, silver: 100 m breaststroke, bronze: 50 m breaststroke |
| Roman Yegorov | RUS |
SWM | Olympics | 1996 | 0–0–1 1998 Perth SWI bronze: 4×100 m freestyle relay |
| Anastasiya Yermakova | RUS |
SWA | Olympics | 2004—2008 | 7–2–0 2001 Fukuoka SYN gold: team, silver: duet; 2003 Barcelona SYN gold: duet, silver: solo; 2005 Montréal SYN gold: duet and team Free Routine Combination; 2007 Melbourne SYN gold: duet Technical, duet Free, and team Free Routine Combination |
| Aleksandr Yeryshov | RUS |
WPO | Olympics | 1996—2004 | 0–0–2 1994 Roma WAP bronze; 2001 Fukuoka WAP bronze |
| Nikolay Yevseyev | RUS URS |
SWM | Olympics | 1988 | 0–1–1 1986 Madrid SWI silver: 4×100 m freestyle relay, bronze: 4×100 m medley relay |
| Sergey Yevstigneyev | RUS |
WPO | Olympics | 1996 | 0–0–1 1994 Roma WAP bronze |
| Yin Chengxin | CHN |
SWA | Olympics | 2016—2020 | 1–7–0 2015 Kazan SYN silver: team Free and team Free Routine Combination; 2017 Budapest SYN gold: team Free Routine Combination, silver: team Technical and team Free; 2019 Gwangju SYN silver: team Technical, team Free, and team Free Routine Combination |
| Yoko Yoneda | JPN |
SWA | Olympics | 2000—2004 | 1–3–0 1998 Perth SYN silver: team; 2001 Fukuoka SYN silver: team; 2003 Barcelona SYN gold: team Free Routine Combination, silver: team |
| Kurumi Yoshida | JPN |
SWA | Olympics | 2012—2016 | 0–0–3 2015 Kazan SYN bronze: team Technical, team Free, and team Free Routine Combination |
| Katrina Young | USA |
DIV | Olympics | 2016—2020 | 0–0–2 2019 Gwangju DIV bronze: platform and team |
| Yu Zhuocheng | CHN |
DIV | Olympics | 1996 | 3–0–0 1994 Roma DIV gold: 3 m springboard; 1998 Perth DIV gold: 1 m springboard and synchronized springboard |
| Yuan Yuan | CHN |
SWM | Olympics | 1996 | 1–1–1 1994 Roma SWI gold: 4×100 m medley relay (swam in heats only), silver: 200 m breaststroke, bronze: 100 m breaststroke |
| Anna Yuryayeva | RUS |
SWA | Olympics | 1996 | 1–0–0 1998 Perth SYN gold: team |
| Sergey Zabolotnov | URS UZB |
SWM | Olympics | 1988 | 0–0–2 1986 Madrid SWI bronze: 100 m backstroke and 4×100 m medley relay (swam in heats only) |
| Nicola Zagame | AUS |
WPO | Olympics | 2012—2016 | 0–1–0 2013 Barcelona WAP silver |
| Aleksandr Zakharov | RUS URS |
WPO | Olympics | 1976 | 1–0–0 1975 Cali WAP gold |
| Anton Zakharov | UKR |
DIV | Olympics | 2004—2012 | 0–1–1 2001 Fukuoka DIV bronze: synchronized platform; 2003 Barcelona DIV silver: synchronized platform |
| Ilya Zakharov | RUS |
DIV | Olympics | 2012—2016 | 1–5–1 2011 Shanghai DIV silver: 3 m springboard and synchronized springboard; 2013 Barcelona DIV silver: synchronized springboard; 2015 Kazan DIV silver: 3 m springboard and synchronized springboard; 2017 Budapest DIV gold: synchronized springboard, bronze: 3 m springboard |
| Marat Zakirov | RUS |
WPO | Olympics | 2000—2004 | 0–0–1 2001 Fukuoka WAP bronze |
| Gergő Zalánki | HUN |
WPO | Olympics | 2016—2024 | 0–1–0 2017 Budapest WAP silver |
| Mohamed El-Zanaty | EGY |
OWS | Olympics | 2008 | 0–0–1 2007 Melbourne SWI bronze: 25 km open water |
| Manuela Zanchi | ITA |
WPO | Olympics | 2004—2008 | 0–1–0 2003 Barcelona WAP silver |
| Gerhard Zandberg | RSA |
SWM | Olympics | 2004—2008 | 1–0–3 2003 Barcelona SWI bronze: 50 m backstroke; 2007 Melbourne SWI gold: 50 m backstroke; 2009 Roma SWI bronze: 50 m backstroke; 2011 Shanghai SWI bronze: 50 m backstroke |
| Kendra Zanotto | USA |
SWA | Olympics | 2004 | 0–1–1 2003 Barcelona SYN silver: team Free Routine Combination, bronze: team |
| Krisztina Zantleitner | HUN |
WPO | Olympics | 2004—2008 | 1–0–0 2005 Montréal WAP gold |
| Zeng Qiliang | CHN |
SWM | Olympics | 1996 | 0–1–0 1998 Perth SWI silver: 100 m breaststroke |
| Zeng Zhen | CHN |
SWA | Olympics | 2016 | 0–3–0 2015 Kazan SYN silver: team Technical, team Free, and team Free Routine Combination |
| Steffen Zesner | GDR GER |
SWM | Olympics | 1988—1996 | 2–2–3 1986 Madrid SWI gold: 4×200 m freestyle relay (swam in heats only), bronze: 4×100 m freestyle relay (competed for East Germany); 1991 Perth SWI gold: 4×200 m freestyle relay, silver: 200 m freestyle and 4×100 m freestyle relay (competed for Germany); 1994 Roma SWI bronze: 1500 m freestyle and 4×200 m freestyle relay (competed for Germany) |
| Zhan Shu | CHN |
SWM | Olympics | 2000—2004 | 1–0–1 2001 Fukuoka SWI bronze: 4×100 m medley relay; 2003 Barcelona SWI gold: 4×100 m medley relay |
| Zhang Lei | CHN |
WPO | Olympics | 2012 | 0–1–0 2011 Shanghai WAP silver |
| Zhang Lin | CHN |
SWM | Olympics | 2004—2008 | 1–0–2 2009 Roma SWI gold: 800 m freestyle, bronze: 400 m freestyle; 2011 Shanghai SWI bronze: 4×200 m freestyle relay |
| Zhang Xiaohuan | CHN |
SWA | Olympics | 2000—2008 | 0–1–2 2009 Roma SYN silver: team Free Routine Combination, bronze: team Technical and team Free |
| Zhang Yanquan | CHN |
DIV | Olympics | 2012 | 0–0–1 2013 Barcelona DIV bronze: synchronized platform |
| Zhang Yufei | CHN |
SWM | Olympics / YOG | 2014—2024 | 0–0–3 2015 Kazan SWI bronze: 200 m butterfly and 4×200 m freestyle relay; 2017 Budapest SWI bronze: 4×100 m medley mixed relay |
| Zhang Yuhan | CHN |
SWM | Olympics | 2016 | 0–1–1 2015 Kazan SWI bronze: 4×200 m freestyle relay (swam in heats only); 2017 Budapest SWI silver: 4×200 m freestyle relay |
| Zhao Jin | CHN |
SWM | Olympics | 2012 | 1–1–0 2009 Roma SWI gold: 4×100 m medley relay; 2011 Shanghai SWI silver: 4×100 m medley relay |
| Zhao Jing | CHN |
SWM | Olympics | 2008—2012 | 3–0–0 2009 Roma SWI gold: 50 m backstroke; 2011 Shanghai SWI gold: 100 m backstroke; 2013 Barcelona SWI gold: 50 m backstroke |
| Nina Zhivanevskaya | RUS ESP EUN |
SWM | Olympics | 1992—2008 | 1–1–1 1994 Roma SWI silver: 100 m backstroke, bronze: 4×100 m medley relay (competed for Russia); 2003 Barcelona SWI gold: 50 m backstroke (competed for Spain) |
| Vladimir Zhmudsky | RUS URS |
WPO | Olympics | 1972 | 0–1–0 1973 Belgrade WAP silver |
| Zhou Jihong | CHN |
DIV | Olympics | 1984 | 0–0–1 1982 Guayaquil DIV bronze: platform |
| Zhou Luxin | CHN |
DIV | Olympics | 2008 | 0–1–1 2007 Melbourne DIV silver: platform; 2009 Roma DIV bronze: platform |
| Zhou Yafei | CHN |
SWM | Olympics | 2004—2008 | 1–1–4 2003 Barcelona SWI gold: 4×100 m medley relay, bronze: 200 m medley and 4×200 m freestyle relay; 2005 Montréal SWI bronze: 4×200 m freestyle relay; 2007 Melbourne SWI bronze: 4×100 m medley relay; 2009 Roma SWI silver: 50 m butterfly |
| Zhou Yilin | CHN |
SWM | Olympics | 2016 | 0–1–0 1998 DIV Perth silver: 3 m springboard |
| Zhu Menghui | CHN |
SWM | Olympics | 2016—2020 | 0–0–1 2017 Budapest SWI bronze: 4×100 m medley mixed relay |
| Zhu Qianwei | CHN |
SWM | Olympics | 2008—2012 | 1–0–1 2009 Roma SWI gold: 4×200 m freestyle relay; 2011 Shanghai SWI bronze: 4×200 m freestyle relay (swam in heats only) |
| Zhu Yingwen | CHN |
SWM | Olympics | 2004—2008 | 0–0–2 2005 Montréal SWI bronze: 50 m freestyle and 4×200 m freestyle relay |
| Zhuang Yong | CHN |
SWM | Olympics | 1988—1992 | 1–0–1 1991 Perth SWI gold: 50 m freestyle, bronze: 100 m freestyle |
| Olena Zhupina | UKR |
DIV | Olympics | 1996—2004 | 2–0–0 1998 Perth DIV gold: platform and synchronized platform |
| Kate Ziegler | USA |
SWM | Olympics | 2008—2012 | 4–1–1 2005 Montréal SWI gold: 800 m freestyle and 1500 m freestyle; 2007 Melbourne SWI gold: 800 m freestyle and 1500 m freestyle; 2011 Shanghai SWI silver: 1500 m freestyle, bronze: 800 m freestyle |
| Mark van der Zijden | NED |
SWM | Olympics | 1996—2000 | 0–1–0 1998 Perth SWI silver: 4×200 m freestyle relay |
| Bengt Zikarsky | GER |
SWM | Olympics | 1992—1996 | 0–1–1 1991 Perth SWI gold: 4×50 m freestyle relay (demonstration event), silver: 4×100 m freestyle relay, bronze: 4×100 m medley relay (swam in heats only) |
| Kathrin Zimmermann | GDR |
SWM | Olympics | 1988 | 1–1–1 1986 Madrid SWI gold: 4×100 m medley relay, silver: 100 m backstroke, bronze: 200 m backstroke |
| Predrag Zimonjić | SRB SCG |
WPO | Olympics | 1996—2000 | 0–1–0 2001 Fukuoka WAP silver (competed for FR Yugoslavia) |
| Irek Zinnurov | RUS |
WPO | Olympics | 2000—2004 | 0–0–1 2001 Fukuoka WAP bronze |
| Boris Zloković | MNE |
WPO | Olympics | 2008—2012 | 1–0–1 2003 Barcelona WAP bronze (competed for Serbia and Montenegro); 2005 Montréal WAP gold (competed for Serbia and Montenegro) |
| Galina Zlotnikova | RUS |
WPO | Olympics | 2004 | 0–0–1 2003 Barcelona WAP bronze |
| Olha Zolotarova | UKR |
SWA | Non-starter | 2016 | 0–0–2 2013 Barcelona SYN bronze: team Free and team Free Routine Combination |
| Anastasiya Zubkova | RUS |
WPO | Olympics | 2004 | 0–0–2 2003 Barcelona WAP bronze; 2007 Melbourne WAP bronze |
| Attila Zubor | HUN |
SWM | Olympics | 1996—2004 | 0–0–2 1994 Roma SWI bronze: 4×100 m medley relay (swam in heats only); 1998 Perth SWI bronze: 4×100 m medley relay |
| Martijn Zuijdweg | NED |
SWM | Olympics | 2000 | 0–1–0 1998 Perth SWI silver: 4×200 m freestyle relay |
| Robertas Žulpa | LTU URS |
SWM | Olympics | 1980 | 0–1–0 1982 Guayaquil SWI silver: 200 m breaststroke |
| Anastasiya Zuyeva-Fesikova | ROC RUS |
SWM | Olympics | 2008—2020 | 1–4–0 2009 Roma SWI silver: 100 m backstroke and 200 m backstroke (competed as Anastasiya Zuyeva); 2011 Shanghai SWI gold: 50 m backstroke, silver: 100 m backstroke (competed as Anastasiya Zuyeva); 2017 Budapest SWI silver: 4×100 m medley relay (competed as Anastasiya Fesikova) |
| Klaas-Erik Zwering | NED |
SWM | Olympics | 2000—2004 | 0–1–0 2001 Fukuoka SWI silver: 4×100 m freestyle relay |