| Name | Nation | Sport | Games | Notes |
|---|
| Kais Yaâkoubi | Tunisia | Football | 1988 Summer | |
| Ahmed Al-Yaari | Yemen | Athletics | 2020 Summer | |
| Diogo Yabe | Brazil | Swimming | 2004 Summer | |
| Shohei Yabiku | Japan | Wrestling | 2020 Summer | |
| Guerschon Yabusele | France | Basketball | 2020 Summer, 2024 Summer | |
| Natsumi Yabuuchi | Japan | 2004 Summer | |
| Solly Yach | South Africa | Water polo | 1952 Summer | |
| Sora Yachi [ Wikidata ] | Japan | Nordic combined | 2022 Winter | |
| Ken Yackel | United States | Ice hockey | 1952 Winter | |
| Simon Yacoub | Palestine | Judo | 2016 Summer | |
| Isabelle Yacoubou | France | Basketball | 2012 Summer, 2016 Summer | |
| Abdel Hamid Yacout [ Wikidata ] | Egypt | Weightlifting | 1948 Summer | |
| Kimio Yada | Japan | Athletics | 1936 Summer | |
| Shizuo Yada | Wrestling | 1972 Summer | |
| Yadamsürengiin Tuyaa | Mongolia | Artistic gymnastics | 1964 Summer, 1968 Summer | |
| Amiri Yadav | Nepal | Athletics | 1984 Summer | |
| Dharmendra Singh Yadav | India | Boxing | 1992 Summer | |
| Narsingh Yadav | Wrestling | 2012 Summer | |
| Pappu Yadav | 1992 Summer, 1996 Summer | |
| Ram Singh Yadav | Athletics | 2012 Summer | |
| Renuka Yadav | Field hockey | 2016 Summer | |
| Vikas Krishan Yadav | Boxing | 2012 Summer, 2016 Summer, 2020 Summer | |
| Reda Yadi | Algeria | Swimming | 1980 Summer | |
| Engin Yadigar | Turkey | Boxing | 1968 Summer | |
| Shigeo Yaegashi | Japan | Football | 1956 Summer, 1964 Summer, 1968 Summer | |
| Yuko Yaegashi-Ota | Speed skating | 1976 Winter, 1980 Winter | |
| Mohammed Al-Yafaee | Yemen | Athletics | 2008 Summer | |
| Galal Yafai | Great Britain | Boxing | 2016 Summer, 2020 Summer | |
| Kal Yafai | 2008 Summer | |
| Claudio Yafuso | Argentina | Judo | 1988 Summer | |
| Mehmet Yağcı | Australia | Weightlifting | 2000 Summer | |
| Mücahit Yağcı | Turkey | 1996 Summer | |
| Mustapha Yaghcha | Morocco | Football | 1972 Summer | |
| Muhammad Yaghoub | Pakistan | Wrestling | 1972 Summer | |
| Mehdi Yaghoubi | Iran | 1952 Summer, 1956 Summer, 1960 Summer | |
| Ahmad Yaghouti | Water polo | 1976 Summer | |
| Hirokazu Yagi | Japan | Ski jumping | 1980 Winter, 1984 Winter | |
| Kanae Yagi | Weightlifting | 2012 Summer, 2016 Summer, 2020 Summer | |
| Mieko Yagi | Equestrian dressage | 2008 Summer | |
| Seizaburo Yagi | Swimming | 1956 Summer | |
| Junko Yaginuma | Figure skating | 1988 Winter | |
| Serdar Yağlı | Turkey | Boxing | 1996 Summer | |
| Ali Yağmur | Wrestling | 1972 Summer | |
| Mohamed Babiker Yagoub | Sudan | Athletics | 1996 Summer, 2000 Summer | |
| Nourredine Yagoubi | Algeria | Judo | 2000 Summer, 2004 Summer | |
| Teruo Yaguchi | Japan | Field hockey | 1960 Summer | |
| Alexei Yagudin | Russia | Figure skating | 1998 Winter, 2002 Winter | |
| Brigitte Yagüe | Spain | Taekwondo | 2004 Summer, 2012 Summer | |
| Chogoro Yahata | Japan | Cross country skiing | 1964 Winter | |
| Shin Yahata | Ice hockey | 1998 Winter | |
| Mallam Yahaya | Ghana | Football | 1996 Summer | |
| Alaeddine Yahia | Tunisia | 2004 Summer | |
| Abdel Monaim Yahiaoui | Algeria | Weightlifting | 1992 Summer, 1996 Summer | |
| Ernest Yahin | Russia, Russian Olympic Committee | Nordic combined | 2014 Winter, 2018 Winter | |
| Djamel Yahiouche | Algeria | Swimming | 1980 Summer | |
| Tsuneari Yahiro | Australia | Karate | 2020 Summer | |
| Andriy Yahodka | Ukraine | Fencing | 2016 Summer | |
| Ayman Yahya | Saudi Arabia | Football | 2020 Summer | |
| Ibrahim Al-Asiri Yahya | Athletics | 1996 Summer | |
| Najam Yahya | Afghanistan | Field hockey | 1956 Summer | |
| Insaf Yahyaoui | Tunisia | Judo | 2004 Summer | |
| Maria Yaina | Russia | Water polo | 2004 Summer | |
| Inna Yaitskaya | Swimming | 1996 Summer, 2000 Summer | |
| Midori Yajima | Japan | Shooting | 2012 Summer | |
| Shinya Yajima | Football | 2016 Summer | |
| Shuzo Yajima | Water polo | 1968 Summer, 1972 Summer | |
| Ibrahim Yakan | Egypt | Football | 1924 Summer | |
| Behnam Yakhchali | Iran | Basketball | 2020 Summer | |
| Yelyzaveta Yakhno | Ukraine | Artistic swimming | 2020 Summer | |
| Aleksey Yakimenko | Russia | Fencing | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Boris Yakimov | Soviet Union | Speed skating | 1956 Winter | |
| Dimitar Yakimov | Bulgaria | Football | 1960 Summer | |
| Yuriy Yakimov | Soviet Union | Rowing | 1976 Summer | |
| Mikhail Yakimovich | Unified Team | Handball | 1992 Summer | |
| Ivan Yakimushkin | Russian Olympic Committee | Cross country skiing | 2022 Winter | |
| Natalya Yakovchuk | Kazakhstan | Ice hockey | 2002 Winter | |
| Dmytro Yakovenko | Ukraine | Athletics | 2016 Summer | |
| Mariya Yakovenko | Russia | 2008 Summer | |
| Nikolay Yakovenko | Soviet Union | Wrestling | 1968 Summer, 1972 Summer | |
| Elena Yakovishina | Russia | Alpine skiing | 2014 Winter | |
| Borys Yakovlev | Soviet Union | Athletics | 1980 Summer | |
| Egor Yakovlev | Russian Olympic Committee | Ice hockey | 2018 Winter, 2022 Winter | |
| Mikhail Yakovlev | Russia | Football | 1912 Summer | |
| Pavel Yakovlev | Soviet Union | Athletics | 1980 Summer | |
| Roman Yakovlev | Russia | Volleyball | 2000 Summer | |
| Sergei Yakovlev | Kazakhstan | Road cycling | 2000 Summer, 2004 Summer | |
| Vasyl Yakovlev | Unified Team, Ukraine | Track cycling | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer | |
| Vladimir Yakovlev | Soviet Union | Sailing | 1972 Summer | |
| Vladislav Yakovlev | Kazakhstan | Rowing | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Yevhen Yakovlev | Ukraine | Short track speed skating | 1998 Winter | |
| Nataliya Yakovleva | Unified Team | Swimming | 1992 Summer | |
| Natalya Yakovleva | Kazakhstan | Handball | 2008 Summer | |
| Olga Yakovleva | Soviet Union | Basketball | 1988 Summer | |
| Valentina Yakovleva | Swimming | 1964 Summer | |
| Oksana Yakovlieva | Ukraine | Biathlon | 2002 Winter | |
| Sergey Yakshin | Kazakhstan | Shooting | 2000 Summer | |
| Valentina Yakshina | Russia | Speed skating | 2002 Winter, 2006 Winter | |
| Yuji Yaku | Japan | Bobsleigh | 1984 Winter, 1988 Winter | |
| Andrei Yakubik | Soviet Union | Football | 1972 Summer | |
| Nadezhda Yakubovich | Athletics | 1976 Summer | |
| Joyce Yakubowich | Canada | 1972 Summer, 1976 Summer | |
| Yakubu | Nigeria | Football | 2000 Summer | |
| Natalia Yakushenko | Unified Team, Ukraine | Luge | 1992 Winter, 1994 Winter, 1998 Winter, 2006 Winter, 2010 Winter | |
| Nyl Yakura | Canada | Badminton | 2020 Summer, 2024 Summer | |
| Vasil Yakusha | Soviet Union | Rowing | 1980 Summer, 1988 Summer | |
| Alexander Yakushev | Ice hockey | 1972 Winter, 1976 Winter | |
| Viktor Yakushev | 1960 Winter, 1964 Winter | |
| Marina Yakusheva | Russia | Badminton | 1996 Summer, 2000 Summer, 2004 Summer | |
| Olga Yakusheva | Belarus | Archery | 1996 Summer | |
| Pavel Yakushevskiy | Russian Olympic Committee | Track cycling | 2020 Summer | |
| Yaroslava Yakushina | Russia | Boxing | 2016 Summer | |
| Valeriy Yakuzhin | Soviet Union | Luge | 1980 Winter | |
| Vita Yakymchuk | Ukraine | Cross country skiing | 2002 Winter, 2006 Winter, 2010 Winter | |
| Tayyar Yalaz | Turkey | Wrestling | 1924 Summer, 1928 Summer | |
| Atagün Yalçınkaya | Boxing | 2004 Summer | |
| İbrahim Yalçınkaya | Football | 1960 Summer | |
| Liu Yali | China | Alpine skiing | 1992 Winter | |
| Mehmet Ali Yalım | Turkey | Basketball | 1952 Summer | |
| Raman Yaliotnau | Belarus | Biathlon | 2018 Winter | |
| John Yallop | Great Britain | Rowing | 1976 Summer | |
| Kirsty Yallop | New Zealand | Football | 2008 Summer, 2012 Summer, 2016 Summer | |
| Tameka Yallop | Australia | 2020 Summer, 2024 Summer | |
| Ghani Yalouz | France | Wrestling | 1992 Summer, 1996 Summer, 2000 Summer | |
| Armenak Yaltyryan | Soviet Union | 1952 Summer | |
| Mihoko Yama | Japan | Athletics | 1972 Summer | |
| Kanae Yamabe | Judo | 2016 Summer | |
| Haluk Yamaç | Turkey | Fencing | 1984 Summer | |
| Aki Yamada | Japan | Field hockey | 2020 Summer | |
| Akichika Yamada [ Wikidata ] | Baseball | 2000 Summer | |
| Eri Yamada | Softball | 2004 Summer, 2008 Summer, 2020 Summer | |
| Eriko Yamada | Luge | 1998 Winter | |
| Fūki Yamada | Football | 2024 Summer | |
| Ginzo Yamada | Cross country skiing | 1936 Winter | |
| Hideaki Yamada | 1984 Winter | |
| Hidetaka Yamada | Badminton | 2000 Summer, 2004 Summer | |
| Hiroki Yamada | Ski jumping | 2002 Winter | |
| Hiroomi Yamada | Athletics | 1964 Summer, 1968 Summer | |
| Jessica Yamada | Brazil | Table tennis | 2020 Summer | |
| Kagari Yamada | Japan | Basketball | 1996 Summer | |
| Kanematsu Yamada | Athletics | 1928 Summer | |
| Katsumi Yamada | Nordic combined, Ski jumping | 1932 Winter | |
| Keizo Yamada | Athletics | 1952 Summer | |
| Kōsaku Yamada | Art competitions | 1936 Summer | |
| Masaharu Yamada | Weightlifting | 2004 Summer, 2008 Summer | |
| Masaru Yamada | Fencing | 2020 Summer, 2024 Summer | |
| Miho Yamada | Rhythmic gymnastics | 1992 Summer, 1996 Summer | |
| Miyo Yamada | Softball | 2000 Summer | |
| Miyu Yamada | Taekwondo | 2020 Summer | |
| Mizuki Yamada | Sailing | 1960 Summer | |
| Nichika Yamada | Volleyball | 2020 Summer, 2024 Summer | |
| Nobuko Yamada | Short track speed skating | 1992 Winter, 1998 Winter, 2002 Winter, 2006 Winter | |
| Sachiko Yamada | Swimming | 2000 Summer, 2004 Summer | |
| Satoko Yamada | Shooting | 2020 Summer | |
| Seiko Yamada | Badminton | 2004 Summer | |
| Shingo Yamada | Art competitions | 1936 Summer | |
| Shinzo Yamada | Cross country skiing, Nordic combined | 1936 Winter | |
| Shota Yamada | Field hockey | 2020 Summer | |
| Shuji Yamada | Volleyball | 1984 Summer | |
| Taichi Yamada | Rowing | 1936 Summer | |
| Takahiro Yamada | Artistic gymnastics | 1988 Summer | |
| Takashi Yamada | Sailing | 1964 Summer | |
| Teruko Yamada | Luge | 1976 Winter | |
| Tetsuto Yamada | Baseball | 2020 Summer | |
| Toshihiko Yamada | Ice hockey | 1960 Winter | |
| Wataru Yamada | Boxing | 1988 Summer | |
| Yurina Yamada | Ski jumping | 2014 Winter | |
| Hiromi Yamafuji | Track cycling | 1964 Summer | |
| Ryota Yamagata | Athletics | 2012 Summer, 2016 Summer, 2020 Summer | |
| Isao Yamagishi | Diving | 1984 Summer, 1988 Summer, 1992 Summer | |
| Yasuyo Yamagishi | Football | 2004 Summer | |
| Nozomi Yamago | 2004 Summer | |
| Akane Yamaguchi | Badminton | 2016 Summer, 2020 Summer, 2024 Summer | |
| Eri Yamaguchi | Athletics | 2000 Summer | |
| Hotaru Yamaguchi | Football | 2012 Summer | |
| Junichi Yamaguchi | Field hockey | 1964 Summer | |
| Kosei Yamaguchi | Athletics | 2020 Summer | |
| Kristi Yamaguchi | United States | Figure skating | 1992 Winter | |
| Mai Yamaguchi | Japan | Volleyball | 2012 Summer, 2016 Summer | |
| Marie Yamaguchi | Rugby sevens | 2016 Summer | |
| Misaki Yamaguchi | Swimming | 2008 Summer, 2016 Summer | |
| Susumu Yamaguchi | Art competitions | 1932 Summer, 1936 Summer | |
| Takahiro Yamaguchi | Weightlifting | 1956 Summer | |
| Tetsumasa Yamaguchi | Canoe sprint | 1968 Summer, 1972 Summer | |
| Toichi Yamaguchi | Athletics | 1964 Summer | |
| Tsuyoshi Yamaguchi | Curling | 2018 Winter | |
| Yoshitada Yamaguchi | Football | 1964 Summer, 1968 Summer | |
| Yuki Yamaguchi | Athletics | 2004 Summer | |
| Noriko Yamaji | Softball | 1996 Summer, 2000 Summer, 2004 Summer | |
| Hiroaki Yamakage | Speed skating | 1998 Winter | |
| Takeshi Yamakage | Swimming | 1964 Summer | |
| Junko Yamakawa | Alpine skiing | 1998 Winter | |
| Rie Yamaki | Football | 1996 Summer | |
| Emi Yamamoto | 2004 Summer | |
| Go Yamamoto | Nordic combined | 2018 Winter | |
| Hiromi Yamamoto | Speed skating | 1994 Winter | |
| Hiroshi Yamamoto | Athletics | 1952 Summer | |
| Hiroshi Yamamoto | Archery | 1984 Summer, 1988 Summer, 1992 Summer, 1996 Summer, 2004 Summer | |
| Ikuei Yamamoto | Wrestling | 1972 Summer | |
| Katsumi Yamamoto | Rowing | 1968 Summer | |
| Kenichi Yamamoto | Cross country skiing | 1952 Winter | |
| Kodo Yamamoto | Handball | 1988 Summer | |
| Kohei Yamamoto | Cycling mountain bike | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Koji Yamamoto | Basketball | 1976 Summer | |
| Mai Yamamoto | 3x3 basketball, Basketball | 2020 Summer, 2024 Summer | |
| Masahiko Yamamoto | Speed skating | 1976 Winter, 1980 Winter | |
| Masanobu Yamamoto | Rowing | 1976 Summer | |
| Mayumi Yamamoto | Speed skating | 1994 Winter | |
| Minori Yamamoto | Water polo | 2020 Summer | |
| Morishige Yamamoto | Equestrian eventing | 1932 Summer | |
| Naotake Yamamoto [ Wikidata ] | Art competitions | 1936 Summer | |
| Noriko Yamamoto | Swimming | 1964 Summer | |
| Rihito Yamamoto | Football | 2024 Summer | |
| Ryo Yamamoto | Athletics | 2012 Summer | |
| Ryosuke Yamamoto | Triathlon | 2008 Summer | |
| Ryōta Yamamoto | Nordic combined | 2022 Winter | |
| Sachiko Yamamoto | Alpine skiing | 1988 Winter, 1992 Winter | |
| Sachiyo Yamamoto | Basketball | 1976 Summer | |
| Sadako Yamamoto | Athletics | 1936 Summer | |
| Satoru Yamamoto | Sailing | 1984 Summer | |
| Seito Yamamoto | Athletics | 2012 Summer, 2016 Summer, 2020 Summer | |
| Shinji Yamamoto | Handball | 1984 Summer | |
| Shizuka Yamamoto | Badminton | 2004 Summer | |
| Stênio Yamamoto | Brazil | Shooting | 2008 Summer | |
| Tadashi Yamamoto | Japan | Athletics | 1952 Summer | |
| Taisei Yamamoto | Freestyle skiing | 2018 Winter | |
| Takahiro Yamamoto | Volleyball | 2008 Summer | |
| Takashi Yamamoto | Swimming | 1996 Summer, 2000 Summer, 2004 Summer | |
| Tokuo Yamamoto | Art competitions | 1936 Summer | |
| Tomohiro Yamamoto | Volleyball | 2020 Summer, 2024 Summer | |
| Toshiki Yamamoto | Weightlifting | 2020 Summer | |
| Wil Yamamoto | Guam | Road cycling | 1992 Summer | |
| Yoko Yamamoto | Japan | Swimming | 1972 Summer | |
| Yoshinobu Yamamoto | Baseball | 2020 Summer | |
| Yōsuke Yamamoto | Judo | 1988 Summer | |
| Yu Yamamoto | Softball | 2020 Summer | |
| Yukari Yamamoto | Field hockey | 2004 Summer, 2008 Summer, 2012 Summer | |
| Yuma Yamamoto | Athletics | 2024 Summer | |
| Akira Yamamura | Sailing | 1972 Summer | |
| Kazuya Yamamura | Football | 2012 Summer | |
| Kota Yamamura | Volleyball | 2008 Summer | |
| Takahiko Yamamura | Athletics | 2000 Summer | |
| Takashi Yamamura | Sailing | 1972 Summer | |
| Toshiyuki Yamamura | Handball | 1988 Summer | |
| Koji Yamamuro | Artistic gymnastics | 2012 Summer, 2016 Summer | |
| Zaid Abu Yaman [ Wikidata ] | Jordan | Table tennis | 2024 Summer | |
| Daichi Yamanaka | Japan | Speed skating | 2014 Winter, 2018 Winter | |
| Mio Yamanaka | Rugby sevens | 2016 Summer, 2020 Summer | |
| Rikiko Yamanaka | Diving | 1976 Summer | |
| Shino Yamanaka | Modern pentathlon | 2012 Summer | |
| Takeshi Yamanaka | Ice hockey | 1998 Winter | |
| Tsuyoshi Yamanaka | Swimming | 1956 Summer, 1960 Summer, 1964 Summer | |
| Yuji Yamanaka | Biathlon | 1964 Winter | |
| Yuno Yamanaka | Athletics | 2020 Summer | |
| Mitsuo Yamane | Shooting | 1960 Summer | |
| Tomoe Yamane | Ice hockey | 2014 Winter | |
| Kazuhisa Yamani | Rowing | 1992 Summer | |
| Khalil El-Yamani | Morocco | Basketball | 1968 Summer | |
| Mokhtar Al-Yamani | Yemen | Swimming | 2020 Summer | |
| Toshikazu Yamanishi | Japan | Athletics | 2020 Summer | |
| Toshio Yamano | Diving | 1960 Summer, 1964 Summer | |
| Eri Yamanoi | Swimming | 1996 Summer | |
| Masakatsu Yamanouchi | Rowing | 1964 Summer | |
| Akane Yamao | Rhythmic gymnastics | 1996 Summer | |
| Hiroshi Yamao | Road cycling | 1964 Summer | |
| Shinichi Yamaoka | Athletics | 1920 Summer | |
| Soko Yamaoka | Snowboarding | 2006 Winter, 2010 Winter | |
| Toshihiko Yamaoka | Field hockey | 1964 Summer | |
| Erika Yamasaki | Australia | Weightlifting | 2020 Summer | |
| Hiroko Yamasaki | Japan | Rhythmic gymnastics | 1984 Summer | |
| Koji Yamasaki | Field hockey | 2020 Summer | |
| Shigueto Yamasaki | Brazil | Judo | 1992 Summer | |
| Shinji Yamasaki | Japan | Water polo | 1984 Summer | |
| Yasuaki Yamasaki | Baseball | 2020 Summer | |
| Isao Yamase | Biathlon | 1984 Winter | |
| Ayaka Yamashita | Football | 2020 Summer, 2024 Summer | |
| Emiko Yamashita | Handball | 1976 Summer | |
| Haruhiro Yamashita | Artistic gymnastics | 1964 Summer | |
| Haruki Yamashita | Cross country skiing | 2022 Winter | |
| Hikaru Yamashita | Ice hockey | 2022 Winter | |
| Hiroko Yamashita | Athletics | 1972 Summer | |
| Jun Yamashita | 2020 Summer | |
| Kohei Yamashita | 2016 Summer | |
| Manabu Yamashita | Field hockey | 2020 Summer | |
| Mayumi Yamashita | Judo | 2000 Summer | |
| Miyako Yamashita | Volleyball | 1988 Summer | |
| Miyu Yamashita | Golf | 2024 Summer | |
| Miyuki Yamashita | Rowing | 1992 Summer | |
| Norifumi Yamashita | Athletics | 1988 Summer, 1992 Summer | |
| Noriko Yamashita | Volleyball | 1972 Summer | |
| Sachiko Yamashita | Athletics | 1992 Summer | |
| Sadako Yamashita | Swimming | 1952 Summer | |
| Shiori Yamashita | Ice hockey | 2022 Winter | |
| Tomoya Yamashita | Shooting | 1988 Summer | |
| Toshikazu Yamashita | 2008 Summer, 2016 Summer | |
| Yasuhiro Yamashita | Judo | 1984 Summer | |
| Fumiyo Yamashita-Kaizu | Table tennis | 1992 Summer, 1996 Summer | |
| Akihiro Yamauchi | Volleyball | 2020 Summer, 2024 Summer | |
| Azusa Yamauchi | Archery | 2020 Summer | |
| Hiromu Yamauchi | Athletics | 2020 Summer | |
| Kenji Yamauchi | 1988 Summer | |
| Mara Yamauchi | Great Britain | 2008 Summer, 2012 Summer | |
| Mika Yamauchi | Japan | Volleyball | 1992 Summer, 1996 Summer | |
| Mayo Yamaura | Curling | 2010 Winter | |
| Kana Yamawaki | Artistic gymnastics | 2000 Summer | |
| Kyoji Yamawaki | 1984 Summer | |
| Anna Yamazaki | Sailing | 2020 Summer | |
| Hiroshi Yamazaki | Weightlifting | 1960 Summer, 1964 Summer | |
| Hisatoshi Yamazaki | Field hockey | 1960 Summer | |
| Kazuhiko Yamazaki | Athletics | 1992 Summer, 1996 Summer, 2000 Summer | |
| Kyoko Yamazaki | Archery | 1976 Summer | |
| Masaharu Yamazaki | Cross country skiing | 1988 Winter | |
| Nobue Yamazaki | Artistic gymnastics | 1976 Summer | |
| Osamu Yamazaki | Freestyle skiing | 1992 Winter | |
| Ryoji Yamazaki | Bobsleigh | 1992 Winter | |
| Sachiko Yamazaki | Swimming | 1976 Summer | |
| Saki Yamazaki | Softball | 2020 Summer | |
| Tomio Yamazaki | Ice hockey | 1972 Winter | |
| Tsugio Yamazaki | Wrestling | 1952 Summer | |
| Yaeko Yamazaki | Volleyball | 1972 Summer | |
| Yuki Yamazaki | Athletics | 2004 Summer, 2008 Summer, 2012 Summer | |
| Fortunato Yambao | Philippines | Basketball | 1936 Summer | |
| Rustam Yambulatov | Soviet Union | Shooting | 1980 Summer | |
| Madeleine Yamechi | Cameroon | Weightlifting | 2004 Summer | |
| Hamad Al-Yami | Saudi Arabia | Football | 2020 Summer | |
| Mohamed Al-Yami | Athletics | 2000 Summer | |
| Salem Al-Yami | 2000 Summer, 2004 Summer | |
| Mokdad El-Yamine | Algeria | Taekwondo | 2012 Summer | |
| Bilall Yamout | Lebanon | Swimming | 1980 Summer | |
| Nibal Yamout | 2008 Summer | |
| Chris Yan | Australia | Table tennis | 2016 Summer, 2020 Summer | |
| Yan Fang | China | Softball | 1996 Summer, 2000 Summer | |
| Yan Haibin | Athletics | 2024 Summer | |
| Yan Han | Figure skating | 2014 Winter, 2018 Winter | |
| Yan Hong | Swimming | 1984 Summer | |
| Yan Jiankui | Athletics | 1996 Summer | |
| Yan Jianming | Volleyball | 1984 Summer | |
| Yan Jing | Fencing | 1996 Summer | |
| Yan Langyu | Trampolining | 2024 Summer | |
| Yan Liang | Handball | 2008 Summer | |
| Yan Meiling | Rugby sevens | 2020 Summer, 2024 Summer | |
| Yan Meizhu | Handball | 2008 Summer | |
| Yan Ming | Swimming | 1988 Summer, 1992 Summer | |
| Yan Ni | Volleyball | 2016 Summer, 2020 Summer | |
| Yan Peng | 3x3 basketball | 2020 Summer | |
| Yan Sen | Table tennis | 2000 Summer | |
| Yan Shixin | Football | 1948 Summer | |
| Yan Tai-san | Chinese Taipei | Artistic gymnastics | 1964 Summer | |
| Yan Ting | China | Freestyle skiing | 2018 Winter | |
| Yan Wengang | Skeleton | 2022 Winter | |
| Yan Wing-shean | Chinese Taipei | Fencing | 1988 Summer | |
| Yan Xiandong | China | 1996 Summer | |
| Yan Xiaoxia | Rowing | 2004 Summer | |
| Yan Yinhua | Road cycling | 1988 Summer | |
| Zhou Yan | Rugby sevens | 2024 Summer | |
| Yan Zi | Tennis | 2004 Summer, 2008 Summer | |
| Yan Zibei | Swimming | 2016 Summer, 2020 Summer | |
| Pierre Celestin Yana | Cameroon | Boxing | 2004 Summer | |
| Takehiko Yanagi | Japan | Field hockey | 1936 Summer | |
| Hideaki Yanagida | Wrestling | 1972 Summer | |
| Masaru Yanagida | Shooting | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer | |
| Tsuyoshi Yanagidate | Swimming | 1976 Summer | |
| Konosuke Yanagimoto | 2020 Summer, 2024 Summer | |
| Shoichi Yanagimoto | Volleyball | 1976 Summer | |
| Akane Yanagisawa | Artistic swimming | 2020 Summer | |
| Atsushi Yanagisawa | Football | 2000 Summer | |
| Hisao Yanagisawa | Canoe sprint | 1984 Summer | |
| Satoshi Yanagisawa | Athletics | 2000 Summer | |
| Shino Yanagisawa | Luge | 1998 Winter | |
| Hiroki Yanagita | Athletics | 2024 Summer | |
| Miyuki Yanagita | Football | 2004 Summer, 2008 Summer | |
| Yuki Yanagita | Baseball | 2020 Summer | |
| Ayane Yanai | Athletics | 2024 Summer | |
| Hiroshi Yanai | Handball | 1988 Summer | |
| Dimitar Yanakiev | Bulgaria | Rowing | 1972 Summer, 1976 Summer, 1980 Summer | |
| Ivo Yanakiev | 2000 Summer, 2004 Summer, 2008 Summer | |
| Martin Yanakiev | 2008 Summer | |
| Yavor Yanakiev | Wrestling | 2008 Summer | |
| Osman Yanar | Turkey | Judo | 1976 Summer | |
| Akira Yanase | Japan | Water polo | 2016 Summer | |
| Kaori Yanase | Swimming | 1984 Summer | |
| Oleh Yanchenko | Ukraine | Diving | 1996 Summer | |
| Bogdan Yanchev | Bulgaria | Track cycling | 1936 Summer | |
| Ivo Yanchev | Athletics | 1980 Summer | |
| Evgeni Yanchovski | Football | 1968 Summer | |
| Petia Yanchulova | Beach volleyball | 2000 Summer, 2004 Summer | |
| Tzvetelina Yanchulova | 2000 Summer, 2004 Summer | |
| Ralph Yandell | Great Britain | Artistic gymnastics | 1920 Summer | |
| Li Yandong [ Wikidata ] | China | Athletics | 2024 Summer | |
| Darcel Yandzi | France | Judo | 1996 Summer | |
| Hely Yánes | Venezuela | Boxing | 2000 Summer | |
| Eri Yanetani | Japan | Snowboarding | 2006 Winter, 2010 Winter | |
| Filip Yanev | Bulgaria | Artistic gymnastics | 2004 Summer | |
| Krum Yanev | Football | 1952 Summer, 1956 Summer | |
| Petar Yanev | Weightlifting | 1968 Summer | |
| Yordan Yanev | Athletics | 1980 Summer | |
| Galina Yaneva | Artistic gymnastics | 1976 Summer | |
| Yuliana Yaneva | Wrestling | 2024 Summer | |
| Elias Yáñez [ Wikidata ] | Chile | Equestrian jumping | 1912 Summer | |
| Enzo Yáñez | Athletics | 2016 Summer | |
| José Yañez | Cuba | Wrestling | 1960 Summer | |
| Juan Yañez | Mexico | Water polo | 1976 Summer | |
| Luis Yáñez | United States | Boxing | 2008 Summer | |
| Magali Yañez | Mexico | Athletics | 2004 Summer | |
| Amy Yang | South Korea | Golf | 2016 Summer, 2024 Summer | |
| Yang Bin | China | Wrestling | 2016 Summer | |
| Yang Bo | Artistic gymnastics | 1992 Summer | |
| Yang Bo | Archery | 2000 Summer | |
| Brian Yang | Canada | Badminton | 2020 Summer, 2024 Summer | |
| Yang Changling | China | Wrestling | 1988 Summer | |
| Yang Chien-fu | Chinese Taipei | Baseball | 2004 Summer, 2008 Summer | |
| Yang Ching-sung | Shooting | 1984 Summer | |
| Yang Chin-kuei | Swimming | 2004 Summer, 2008 Summer | |
| Yang Chin-yi | Weightlifting | 2000 Summer, 2004 Summer, 2008 Summer | |
| Yang Chung-yul | South Korea | Shooting | 1984 Summer, 1988 Summer | |
| Yang Chun-han | Chinese Taipei | Athletics | 2020 Summer, 2024 Summer | |
| Yang Chun-song | North Korea | Wrestling | 2008 Summer | |
| Yang Chunyuan | China | Speed skating | 1994 Winter, 1998 Winter, 2002 Winter | |
| Yang Cuiping | Rowing | 2004 Summer | |
| Yang Dae-cheol | South Korea | Swimming | 1996 Summer | |
| Yang Dal-sik | Fencing | 1988 Summer | |
| Yang Duk-soon | North Korea | Cross country skiing | 1964 Winter | |
| Yang Eui-ji | South Korea | Baseball | 2020 Summer | |
| Yang Eui-yong | North Korea | Weightlifting | 1980 Summer | |
| Yang Eun-hye | South Korea | 2012 Summer | |
| Yang Fangxu | China | Volleyball | 2016 Summer | |
| Yang Feifei | Rugby sevens | 2020 Summer, 2024 Summer | |
| Yang Fen | Republic of the Congo | Table tennis | 2008 Summer | |
| Yang Fung | Hong Kong | Sailing | 1996 Summer | |
| Yang Gam | South Korea | Swimming | 1988 Summer | |
| Yang Guang | China | Athletics | 1988 Summer | |
| Yang Guang | Ski jumping | 2006 Winter | |
| Yang Gwang-jae | South Korea | Rowing | 1988 Summer | |
| Yang Gyeong-hui | Athletics | 1988 Summer | |
| Yang Ha-eun | Table tennis | 2016 Summer | |
| Yang Hak-seon | Artistic gymnastics | 2012 Summer, 2020 Summer | |
| Yang Hao | China | Volleyball | 2004 Summer, 2008 Summer | |
| Yang Hao | Diving | 2024 Summer | |
| Yang Haoran | Shooting | 2016 Summer, 2020 Summer | |
| Yang He | Short track speed skating | 1994 Winter | |
| Yang Hee-chun | South Korea | Track cycling | 2004 Summer | |
| Yang Hee-seung | Basketball | 1996 Summer | |
| Yang Hengyu | China | Fencing | 2020 Summer, 2024 Summer | |
| Yang Hong | Rowing | 1992 Summer | |
| Yang Hongbing | Field hockey | 2000 Summer | |
| Yang Hsiu-chen | Chinese Taipei | Road cycling, Track cycling | 1988 Summer | |
| Yang Hui | China | Figure skating | 1992 Winter | |
| Yang Hui-chun | Chinese Taipei | Softball | 1996 Summer, 2004 Summer | |
| Yang Huiping | China | Field hockey | 2000 Summer | |
| Yang Hye-suk | South Korea | 1992 Summer | |
| Yang Hyo-jin | Volleyball | 2012 Summer, 2016 Summer, 2020 Summer | |
| Yang Hyung-mo | Wrestling | 1996 Summer, 2000 Summer | |
| Yang Jae-hoon | Swimming | 2024 Summer | |
| Yang Jian | China | Rowing | 2004 Summer | |
| Yang Jian | Diving | 2020 Summer | |
| Yang Jianping | Archery | 1996 Summer, 2000 Summer | |
| Yang Jiayu | Athletics | 2020 Summer, 2024 Summer | |
| Yang Ji-in | South Korea | Shooting | 2024 Summer | |
| Yang Jinghui | China | Diving | 2004 Summer | |
| Yang Jin-soo | South Korea | Volleyball | 1968 Summer | |
| Yang Jin-wung | 1984 Summer | |
| Yang Jong-ok | Judo | 1992 Summer | |
| Yang Juan | China | Athletics | 1992 Summer | |
| Yang Jun | Water polo | 2008 Summer, 2012 Summer, 2016 Summer | |
| Yang Jung-mo | South Korea | Wrestling | 1976 Summer | |
| Yang Jung-ok | Basketball | 2000 Summer | |
| Yang Junjing | China | Volleyball | 2012 Summer | |
| Yang Junxia | Judo | 2016 Summer, 2020 Summer | |
| Yang Junxuan | Swimming | 2020 Summer, 2024 Summer | |
| Yang Kun-pi | Chinese Taipei | Shooting | 2016 Summer, 2020 Summer, 2024 Summer | |
| Yang Kyong-il | North Korea | Wrestling | 2008 Summer, 2012 Summer, 2016 Summer | |
| Yang Li | China | Football | 2016 Summer | |
| Yang Lina | 2020 Summer | |
| Yang Ling | Shooting | 1996 Summer, 2000 Summer | |
| Yang Liqun | Volleyball | 1984 Summer | |
| Yang Liu | Boxing | 2024 Summer | |
| Yang Liu | Field hockey | 2024 Summer | |
| Yang Liwei | Basketball | 2020 Summer, 2024 Summer | |
| Yang Man | Football | 2020 Summer | |
| Yang Min | Italy | Table tennis | 2004 Summer | |
| Yang Min | China | Rugby sevens | 2020 Summer | |
| Yang Mingxia | Athletics | 2008 Summer | |
| Yang Mu-sin | South Korea | Weightlifting | 1964 Summer, 1968 Summer | |
| Pedro Yang | Guatemala | Badminton | 2004 Summer | |
| Yang Qian | China | Shooting | 2020 Summer | |
| Yang Rong-hwa | Chinese Taipei | Road cycling | 1964 Summer | |
| Yang Roy-sung | South Korea | Fencing | 1996 Summer, 2000 Summer | |
| Yang Shanfeng | China | Sailing | 1988 Summer | |
| Yang Shang-hsuan | Chinese Taipei | Swimming | 2000 Summer | |
| Yang Shaohui | China | Athletics | 2020 Summer, 2024 Summer | |
| Yang Shaoqi | Fencing | 2000 Summer | |
| Yang Sheng-hsiung | Chinese Taipei | Weightlifting | 2004 Summer, 2008 Summer | |
| Yang Shin-young | South Korea | Speed skating | 2014 Winter | |
| Yang Shisen | China | Fencing | 1984 Summer | |
| Yang Shu-chun | Chinese Taipei | Taekwondo | 2008 Summer, 2012 Summer | |
| Yang Shuorui | China | Freestyle skiing | 2022 Winter | |
| Yang Shuyu | 3x3 basketball, Basketball | 2020 Summer, 2024 Summer | |
| Yang Siju | Athletics | 1996 Summer | |
| Yang Siow Ming | Malaysia | Field hockey | 1968 Summer, 1972 Summer | |
| Siqi Yang [ Wikidata ] | China | Surfing | 2024 Summer | |
| Yang Song-guk | North Korea | Football | 1976 Summer | |
| Yang Soo-jin | South Korea | Modern pentathlon | 2012 Summer | |
| Yang Tae-hwa | Figure skating | 2002 Winter | |
| Yang Tae-young | Artistic gymnastics | 2004 Summer, 2008 Summer | |
| Yang Tao | China | Speed skating | 2018 Winter, 2022 Winter | |
| Yang Wai Kam | Hong Kong | Diving | 1984 Summer | |
| Yang Wang | New Zealand | Shooting | 2008 Summer | |
| Yang Wei | China | Badminton | 2000 Summer, 2004 Summer, 2008 Summer | |
| Yang Wei | Artistic gymnastics | 2000 Summer, 2004 Summer, 2008 Summer | |
| Yang Weimin | Athletics | 1984 Summer | |
| Yang Wenjun | Canoe sprint | 2004 Summer, 2008 Summer | |
| Yang Wenlu | Boxing | 2024 Summer | |
| Yang Wenqin | Athletics | 1984 Summer | |
| Yang Wenyi | Swimming | 1988 Summer, 1992 Summer | |
| William Yang | Australia | 2024 Summer | |
| Yang Xia | China | Weightlifting | 2000 Summer | |
| Yang Xiangzhong | Boxing | 1996 Summer, 2000 Summer | |
| Yang Xiao | Rowing | 1984 Summer, 1988 Summer | |
| Yang Xiaojun | Volleyball | 1984 Summer, 1988 Summer | |
| Yang Xiaolei | Archery | 2020 Summer, 2024 Summer | |
| Xiaoxin Yang | Monaco | Table tennis | 2020 Summer, 2024 Summer | |
| Yang Xiaoxu | China | Canoe sprint | 2020 Summer | |
| Yang Xiaoyan | Sailing | 2000 Summer | |
| Yang Xilan | Volleyball | 1984 Summer, 1988 Summer | |
| Yang Xiuli | Judo | 2008 Summer, 2012 Summer | |
| Yang Xiuqing | Ice hockey | 1998 Winter, 2002 Winter | |
| Yang Xuezhe | Sailing | 2020 Summer | |
| Yang Yang | Short track speed skating | 1994 Winter, 1998 Winter, 2002 Winter | |
| Yang Yang | 1998 Winter, 2002 Winter, 2006 Winter | |
| Yang Yang | Baseball | 2008 Summer | |
| Yang Yanqin | Athletics | 1984 Summer | |
| Yang Yansheng | 2012 Summer | |
| Yang Yaozu | 2004 Summer | |
| Yang Ye | Rhythmic gymnastics | 2016 Summer | |
| Yang Yilin | Artistic gymnastics | 2008 Summer | |
| Yang Ying | Table tennis | 2000 Summer | |
| Yang Yong | Water polo | 1988 Summer | |
| Yang Yongjian | Athletics | 2000 Summer | |
| Yang Yong-ok | South Korea | Cross country skiing | 1964 Winter | |
| Yang Young-ja | Table tennis | 1988 Summer | |
| Yang Yu | China | Swimming | 2000 Summer, 2004 Summer, 2008 Summer | |
| Yang Yun | Artistic gymnastics | 2000 Summer | |
| Yang Yung-wei | Chinese Taipei | Judo | 2020 Summer, 2024 Summer | |
| Zhao Yang [ Wikidata ] | China | Freestyle skiing | 2022 Winter | |
| Yang Zhaoxuan | Tennis | 2020 Summer | |
| Yang Zhe | Weightlifting | 2016 Summer | |
| Yang Zhen | Fencing | 1992 Summer | |
| Yang Zhixian | Swimming | 2012 Summer | |
| Yang Zhizhong | Wrestling | 1988 Summer | |
| Yang Zi | Singapore | Table tennis | 2008 Summer, 2012 Summer | |
| Alphonse Yanghat | Republic of the Congo | Athletics | 1972 Summer | |
| Jeannette Yango | Cameroon | Football | 2012 Summer | |
| Naphaswan Yangpaiboon | Thailand | Shooting | 2012 Summer, 2020 Summer | |
| Alfredo Yanguas | Colombia | Fencing | 1956 Summer | |
| Viola Yanik | Canada | Wrestling | 2004 Summer | |
| Cemal Yanılmaz | Turkey | 1964 Summer | |
| Aleksandr Yanin | Russia | Sailing | 2000 Summer | |
| Sergey Yanin | Soviet Union | Ski jumping | 1972 Winter | |
| Nevin Yanıt | Turkey | Athletics | 2008 Summer, 2012 Summer | |
| Lea Yanitsas | Australia | Water polo | 2016 Summer, 2020 Summer | |
| Diana Yankey | Ghana | Athletics | 1988 Summer | |
| Rachel Yankey | Great Britain | Football | 2012 Summer | |
| Alexandre Yankoff | France | Athletics | 1956 Summer | |
| Charlie Yankos | Australia | Football | 1988 Summer | |
| Emiliyan Yankov | Bulgaria | Shooting | 1980 Summer | |
| Ivan Yankov | Wrestling | 1976 Summer, 1980 Summer | |
| Petko Yankov | Athletics | 2000 Summer | |
| Plamen Yankov | Boxing | 1976 Summer, 1980 Summer | |
| Radoslav Yankov | Snowboarding | 2014 Winter, 2018 Winter, 2022 Winter | |
| Razvigor Yankov | Athletics | 1980 Summer | |
| Simeon Yankov | Football | 1924 Summer | |
| Elitsa Yankova | Wrestling | 2016 Summer | |
| Yordanka Yankova | Athletics | 1972 Summer | |
| Mariana Yankulova | Rowing | 1992 Summer | |
| Marthe Yankurije | Rwanda | Athletics | 2020 Summer | |
| Balázs Latrompette Yann | Hungary | Cross country skiing | 1998 Winter | |
| Wu Yanni | China | Athletics | 2024 Summer | |
| Akihiro Yano | Japan | Baseball | 2008 Summer | |
| Hiromi Yano | Volleyball | 1976 Summer | |
| Kyoko Yano | Football | 2004 Summer, 2008 Summer, 2012 Summer | |
| Ryoko Yano | Basketball | 2004 Summer | |
| Rangsit Yanothai | Thailand | Shooting | 1968 Summer, 1972 Summer, 1984 Summer | |
| Olena Yanovska | Ukraine | Athletics | 2016 Summer | |
| Vyacheslav Yanovskiy | Soviet Union | Boxing | 1988 Summer | |
| Iryna Yanovych | Ukraine | Track cycling | 2000 Summer | |
| Viktor Yansky | Uzbekistan | Weightlifting | 1996 Summer | |
| Raimundo Yant | Venezuela | Boxing | 1992 Summer | |
| Christián Yantani | Chile | Rowing | 2000 Summer | |
| Alfredo Yantorno | Argentina | Swimming | 1948 Summer, 1952 Summer | |
| Gerard Yantz | United States | Handball | 1936 Summer | |
| Yao Bianwa | China | Cycling mountain bike | 2020 Summer | |
| Yao Bin | Figure skating | 1984 Winter | |
| Yao Di | Volleyball | 2020 Summer | |
| Yao Fen | Badminton | 1992 Summer | |
| Yao Jianzhong | Rowing | 1992 Summer | |
| Yao Jie | Netherlands | Badminton | 2004 Summer, 2012 Summer | |
| Yao Jie | China | Athletics | 2016 Summer, 2024 Summer | |
| Yao Jingyuan | Weightlifting | 1984 Summer | |
| Yao Jinnan | Artistic gymnastics | 2012 Summer | |
| Yao Lei | Singapore | Badminton | 2012 Summer | |
| Yao Ming | China | Basketball | 2000 Summer, 2004 Summer, 2008 Summer | |
| Yao Ping | Cycling mountain bike | 2016 Summer | |
| Yao Yan | Badminton | 1996 Summer | |
| Yao Yawen | Archery | 1988 Summer | |
| Yao Ye | Shooting | 2004 Summer | |
| Yao Yige | Swimming | 2012 Summer | |
| James Yap | Chinese Taipei | Basketball | 1956 Summer | |
| Yap Kim Hock | Malaysia | Badminton | 1996 Summer, 2000 Summer | |
| Melchor Yap | Philippines | Shooting | 1972 Summer | |
| Yap Pow Thong | Malaysia | 1964 Summer | |
| Timothee Yap Jin Wei | Singapore | Athletics | 2016 Summer | |
| Dmitry Yaparov | Russia | Cross country skiing | 2014 Winter | |
| Kong Yaqi | China | Swimming | 2024 Summer | |
| Antonio Yaqigi | Chile | Shooting | 1972 Summer, 1976 Summer | |
| Yaqoob Salem Yaqoob | Bahrain | Athletics | 2016 Summer | |
| Jasem Yaqoub | Kuwait | Football | 1980 Summer | |
| Buthaina Al-Yaqoubi | Oman | Athletics | 2008 Summer | |
| Muhammad Yaqub | Pakistan | 1956 Summer, 1960 Summer | |
| Marcelo Yarad | Chile | Shooting | 2000 Summer | |
| Christ Yarafa | Central African Republic | Road cycling | 1992 Summer | |
| Zoffa Yarawi | Papua New Guinea | Boxing | 1976 Summer | |
| Dilshod Yarbekov | Uzbekistan | 1996 Summer, 2000 Summer | |
| Malcolm Yardley | Great Britain | Athletics | 1960 Summer | |
| Valery Yardy | Soviet Union | Road cycling | 1968 Summer, 1972 Summer | |
| Ken Yaremchuk | Canada | Ice hockey | 1988 Winter | |
| Sofiia Yaremchuk | Italy | Athletics | 2024 Summer | |
| Noélie Yarigo | Benin | 2016 Summer, 2020 Summer, 2024 Summer | |
| Anatoly Yarkin | Soviet Union | Road cycling | 1980 Summer | |
| Karyna Yarmolenka | Belarus | Rhythmic gymnastics | 2020 Summer | |
| Ivan Yarmysh | Soviet Union | Athletics | 1952 Summer | |
| Lizzy Yarnold | Great Britain | Skeleton | 2014 Winter, 2018 Winter | |
| Musa Dogon Yaro | Nigeria | Athletics | 1968 Summer, 1972 Summer | |
| Agnieszka Yarokhau | Poland | 2012 Summer, 2016 Summer | |
| Anatoliy Yarosh | Soviet Union | 1980 Summer | |
| Tetiana Yarosh | Ukraine | Artistic gymnastics | 2000 Summer | |
| Vadim Yaroshchuk | Soviet Union | Swimming | 1988 Summer | |
| Igor Yaroshenko | Ukraine | Figure skating | 1994 Winter, 1998 Winter | |
| Irina Yarotska | Artistic gymnastics | 2004 Summer | |
| Evgeniy Yarovenko | Soviet Union | Football | 1988 Summer | |
| Jyothi Yarraji | India | Athletics | 2024 Summer | |
| Robin Yarrow | Great Britain | Rowing | 1968 Summer | |
| Virginia Yarur | Chile | Equestrian dressage | 2020 Summer | |
| Ivan Yarygin | Soviet Union | Wrestling | 1972 Summer, 1976 Summer | |
| Oksana Yarygina | Russia | Athletics | 2004 Summer | |
| Selim Yaşar | Turkey | Wrestling | 2016 Summer | |
| Mohammed Yaseen | Iraq | Weightlifting | 1980 Summer, 1984 Summer | |
| Taha Hussein Yaseen | Athletics | 2020 Summer, 2024 Summer | |
| Omar Yaser Ismail | Palestine | Taekwondo | 2024 Summer | |
| Kenzo Yashima | Japan | Athletics | 1920 Summer | |
| Alexei Yashin | Russia | Ice hockey | 1998 Winter, 2002 Winter, 2006 Winter | |
| Konstantin Yashin | Uzbekistan | Canoe sprint | 1996 Summer | |
| Lev Yashin | Soviet Union | Football | 1956 Summer | |
| Sergei Yashin | Ice hockey | 1988 Winter | |
| Naomi Yashiro | Japan | Basketball | 2004 Summer | |
| Liubov Yaskevich | Russia | Shooting | 2012 Summer | |
| Nilufar Yasmin | Bangladesh | Athletics | 1996 Summer | |
| Mohammed Yasseen [ Wikidata ] | Egypt | Fencing | 2024 Summer | |
| Angel Yassenov | Bulgaria | Wrestling | 1988 Summer | |
| Ramadan Yasser | Egypt | Boxing | 2000 Summer, 2004 Summer, 2008 Summer | |
| Yasmim | Brazil | Football | 2024 Summer | |
| Mazen Al-Yassin | Saudi Arabia | Athletics | 2020 Summer | |
| Rabie Yassin | Egypt | Football | 1984 Summer | |
| Viktor Yastrebov | Ukraine | Athletics | 2004 Summer, 2008 Summer | |
| Dayana Yastremska | Tennis | 2020 Summer, 2024 Summer | |
| Aya Yasuda | Japan | Luge | 2010 Winter | |
| Hirokazu Yasuda | Athletics | 1964 Summer | |
| Kenya Yasuda | Water polo | 2016 Summer | |
| Michihiro Yasuda | Football | 2008 Summer | |
| Noriaki Yasuda | Athletics | 1960 Summer | |
| Yasunori Yasuda | Volleyball | 1976 Summer | |
| Masahiro Yasuhara | Track cycling | 1996 Summer | |
| Kosuke Yasuhira [ Wikidata ] | Handball | 2024 Summer | |
| Hisato Yasui | Swimming | 1996 Summer | |
| Tamiko Yasui | Fencing | 1964 Summer | |
| Yukishige Yasuma | Athletics | 1960 Summer | |
| Yoshihiro Yasumi | Water polo | 1972 Summer | |
| Mashiro Yasunaga [ Wikidata ] | Artistic swimming | 2020 Summer, 2024 Summer | |
| Ryuto Yasuoka | 3x3 basketball | 2020 Summer | |
| Anton Yasynskiy | Soviet Union | Shooting | 1956 Summer | |
| Iryna Yatchenko | Unified Team, Belarus | Athletics | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Helen Yate | Great Britain | Swimming | 1948 Summer | |
| Torin Yater-Wallace | United States | Freestyle skiing | 2014 Winter, 2018 Winter | |
| Adam Yates | Great Britain | Road cycling | 2016 Summer, 2020 Summer | |
| Ernest Yates | Figure skating | 1936 Winter | |
| Geoffrey Yates | 1936 Winter | |
| Jeremy Yates | New Zealand | Road cycling | 2004 Summer | |
| Matthew Yates | Great Britain | Athletics | 1992 Summer | |
| Meade Yates | United States | Golf | 1904 Summer | |
| Sean Yates | Great Britain | Track cycling | 1980 Summer | |
| Simon Yates | Road cycling | 2020 Summer | |
| William Yates | Athletics | 1912 Summer | |
| Ramlan Yatim | Indonesia | Football | 1956 Summer | |
| Sun Yating | China | Water polo | 2008 Summer, 2012 Summer, 2016 Summer | |
| Maria Yatrakis | Greece | Football | 2004 Summer | |
| Andriy Yatsenko | Ukraine | Track cycling | 1996 Summer | |
| Nataliya Yatsenko | Soviet Union | Rowing | 1988 Summer | |
| Oleksandr Yatsenko | Ukraine | Archery | 1996 Summer | |
| Oleksandr Yatsenko | Boxing | 2000 Summer | |
| Olena Yatsenko | Handball | 2004 Summer | |
| Yuri Yatsev | Russia | Water polo | 2000 Summer | |
| Nastassia Yatsevich | Belarus | Athletics | 2012 Summer, 2016 Summer | |
| Yevgeny Yatsinenko | Soviet Union | Canoe sprint | 1956 Summer | |
| Vesela Yatsinska | Bulgaria | Athletics | 1976 Summer, 1980 Summer | |
| Oxana Yatskaya | Kazakhstan | Cross country skiing | 1998 Winter, 2002 Winter, 2006 Winter, 2010 Winter | |
| Yoshiaki Yatsu | Japan | Wrestling | 1976 Summer | |
| Lalita Yauhleuskaya | Belarus, Australia | Shooting | 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Samuela Yavala | Fiji | Athletics | 1972 Summer | |
| Dorsa Yavarivafa | Refugee Olympic Team | Badminton | 2024 Summer | |
| Mesut Yavaş | Turkey | Athletics | 2000 Summer | |
| Gökhan Yavaşer | Wrestling | 2004 Summer | |
| Winfred Yavi | Bahrain | Athletics | 2020 Summer, 2024 Summer | |
| Joachim Yaw | Ghana | Football | 1992 Summer | |
| Samuel Yaw | 1972 Summer | |
| Xolile Yawa | South Africa | Athletics | 1992 Summer | |
| Trent Yawney | Canada | Ice hockey | 1988 Winter | |
| Ismael Yaya | Chad | Athletics | 1988 Summer | |
| Terap Adoum Yaya [ Wikidata ] | 1992 Summer, 1996 Summer | |
| Vitória Yaya | Brazil | Football | 2024 Summer | |
| Nami Yayak | Turkey | Fencing | 1928 Summer | |
| Izabella Yaylyan | Armenia | Weightlifting | 2020 Summer | |
| Aki Yazawa | Japan | Canoe slalom | 2016 Summer, 2020 Summer, 2024 Summer | |
| Kazuki Yazawa | 2008 Summer, 2012 Summer, 2016 Summer | |
| Masao Yazawa | Athletics | 1936 Summer | |
| Wataru Yazawa | 2016 Summer | |
| Takeo Yazawa-Hoshina | Cross country skiing | 1928 Winter, 1932 Winter | |
| Hassan Yazdani | Iran | Wrestling | 2016 Summer, 2020 Summer, 2024 Summer | |
| Reza Yazdani | 2008 Summer, 2012 Summer, 2016 Summer | |
| Ibrahim Yazdan Panah [ Wikidata ] | Athletics | 1964 Summer | |
| Fouad Yazgi | Egypt | 1952 Summer | |
| Roman Yazvinskyy | Ukraine | Luge | 2006 Winter | |
| Rocío Ybarra | Spain | Field hockey | 2004 Summer, 2008 Summer, 2016 Summer | |
| Roberto Yburan | Philippines | Basketball | 1960 Summer | |
| Clara Ycart | Spain | Field hockey | 2020 Summer | |
| Ye Beihua | China | Football | 1936 Summer | |
| Ye Chong | Fencing | 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer | |
| Ye Gue-rin | South Korea | Judo | 2004 Summer | |
| Ye Hong-wei | Chinese Taipei | Badminton | 2024 Summer | |
| Ye Huanming | China | Weightlifting | 1988 Summer | |
| Ye Jiao | Field hockey | 2024 Summer | |
| Ye Li | Basketball | 2004 Summer | |
| Ye Lin | Fencing | 1992 Summer | |
| Ye Qiang | Handball | 2008 Summer | |
| Ye Qiaobo | Speed skating | 1992 Winter, 1994 Winter | |
| Ye Shiwen | Swimming | 2012 Summer, 2016 Summer, 2024 Summer | |
| Ye Zhaoying | Badminton | 1996 Summer, 2000 Summer | |
| Elizabeth Yeager | United States | Field hockey | 2024 Summer | |
| Ronny Yeager | Cross country skiing | 1972 Winter, 1976 Winter | |
| Kunathip Yea-on | Thailand | Judo | 2016 Summer | |
| Nicole Yeargin | Great Britain | Athletics | 2020 Summer, 2024 Summer | |
| Wayne Yearwood | Canada | Basketball | 1988 Summer | |
| Jessica Yeaton | Australia | Cross country skiing | 2018 Winter, 2022 Winter | |
| Dorothy Yeats | Canada | Wrestling | 2016 Summer | |
| Doug Yeats | 1976 Summer, 1984 Summer, 1988 Summer, 1992 Summer | |
| Jack B. Yeats | Ireland | Art competitions | 1924 Summer, 1932 Summer | |
| Katie-Jemima Yeats-Brown | Great Britain | Judo | 2024 Summer | |
| Wissam-Amazigh Yebba [ Wikidata ] | France | Swimming | 2024 Summer | |
| Yoon Ye-bin [ Wikidata ] | South Korea | Basketball | 2020 Summer | |
| Huang Yebo [ Wikidata ] | China | Luge | 2022 Winter | |
| Emmanuel Yeboah | Ghana | Athletics | 2020 Summer | |
| Rose Amoanimaa Yeboah | 2024 Summer | |
| Óscar Yebra | Spain | Basketball | 2004 Summer | |
| Shin Ye-chan [ Wikidata ] | South Korea | Bobsleigh | 2022 Winter | |
| Eduard Yechshenko [ Wikidata ] | Kazakhstan | Shooting | 2024 Summer | |
| Adolfo Yedro | Argentina | Rowing | 1948 Summer | |
| Alex Yee | Great Britain | Triathlon | 2020 Summer, 2024 Summer | |
| Jennifer Yee | Canada | Softball | 2008 Summer | |
| Yee Jin | China | Basketball | 1948 Summer | |
| Julian Yee | Malaysia | Figure skating | 2018 Winter | |
| Regan Yee | Canada | Athletics | 2020 Summer, 2024 Summer | |
| Sally Yee | Fiji | Table tennis | 2016 Summer, 2020 Summer | |
| Yee Tit Kwan | Singapore | Basketball | 1956 Summer | |
| Yeerlanbieke Katai | China | Wrestling | 2016 Summer | |
| Olha Yefimenko | Ukraine | Diving | 2000 Summer | |
| Boris Yefimov | Soviet Union | Athletics | 1960 Summer | |
| Vladimir Yefimov | Unified Team, Russia | Bobsleigh | 1992 Winter, 1994 Winter | |
| Emma Yefimova | Soviet Union | Fencing | 1956 Summer | |
| Yuliya Yefimova | Russia, Russian Olympic Committee | Swimming | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| David Yefremov | Kazakhstan | Athletics | 2024 Summer | |
| Antonina Yefremova | Ukraine | 2004 Summer, 2008 Summer | |
| Viktor Yefteni | Wrestling | 1996 Summer | |
| Valeriya Yegay | Azerbaijan | Rhythmic gymnastics | 2008 Summer | |
| Hayk Yeghiazaryan | Armenia | Weightlifting | 1996 Summer | |
| Tsolak Yeghishyan | Wrestling | 1996 Summer | |
| Artur Yeghoyan | Cross country skiing | 2014 Winter | |
| Maxime Yegnong | Cameroon | Boxing | 2020 Summer | |
| Alfred Kirwa Yego | Kenya | Athletics | 2008 Summer | |
| Gideon Yego | 1988 Summer, 1992 Summer | |
| Julius Yego | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Samson Yego | 1996 Summer, 2000 Summer | |
| Aleksandr Yegorov | Kyrgyzstan | Swimming | 2000 Summer | |
| Alexey Yegorov | Kazakhstan, Russia | 1996 Summer, 2000 Summer | |
| Anatoly Yegorov | Soviet Union | Water polo | 1952 Summer | |
| Filipp Yegorov | Russia | Bobsleigh | 2002 Winter, 2006 Winter, 2010 Winter | |
| Grigoriy Yegorov | Soviet Union, Kazakhstan | Athletics | 1988 Summer, 2004 Summer | |
| Roman Yegorov | Russia | Swimming | 1996 Summer | |
| Yevgeniy Yegorov | Kazakhstan | Canoe sprint | 1996 Summer | |
| Yury Yegorov | Soviet Union | Luge | 1972 Winter | |
| Irina Yegorova | Speed skating | 1964 Winter, 1968 Winter | |
| Lyubov Yegorova | Unified Team, Russia | Cross country skiing | 1992 Winter, 1994 Winter, 2002 Winter | |
| Lyudmila Yegorova | Soviet Union | Artistic gymnastics | 1956 Summer | |
| Olga Yegorova | Russia | Athletics | 2000 Summer, 2004 Summer | |
| Valentina Yegorova | Unified Team, Russia | 1992 Summer, 1996 Summer, 2000 Summer | |
| Yuriy Yegoshin | Ukraine | Swimming | 2004 Summer, 2008 Summer | |
| María Yegres [ Wikidata ] | Venezuela | 2024 Summer | |
| Julio César Yegros | Paraguay | Football | 1992 Summer | |
| Yeh Chu-mei | Chinese Taipei | Athletics | 1964 Summer, 1968 Summer | |
| Yeh Chun-chang | Baseball | 2004 Summer, 2008 Summer | |
| Yeh Juei-feng | Weightlifting | 1964 Summer | |
| Yeh Tzu-cheng | Swimming | 2004 Summer | |
| Yeh Wen-hua | Judo | 1996 Summer | |
| Hesham Yehia | Egypt | Boxing | 2012 Summer | |
| Tarek Yehia | Weightlifting | 2008 Summer, 2012 Summer | |
| Dmytro Yehorov | Soviet Union | Athletics | 1956 Summer | |
| Oleksiy Yehorov | Ukraine | Water polo | 1996 Summer | |
| Yellow Yeiyah | Nigeria | Swimming | 2008 Summer | |
| Leonid Yekimov | Russia, Russian Olympic Committee | Shooting | 2008 Summer, 2012 Summer, 2020 Summer | |
| Rashidi Yekini | Nigeria | Football | 1988 Summer | |
| Gal Yekutiel | Israel | Judo | 2004 Summer, 2008 Summer | |
| Greg Yelavich | New Zealand | Shooting | 1988 Summer, 1992 Summer | |
| Alexander Yelesin | Russian Olympic Committee | Ice hockey | 2022 Winter | |
| Yelena Yelesina | Russia | Athletics | 2000 Summer | |
| Serik Yeleuov | Kazakhstan | Boxing | 2004 Summer | |
| Daniyar Yeleussinov | 2012 Summer, 2016 Summer | |
| Vladimir Yelevich | Russia | Sailing | 1912 Summer | |
| Yuriy Yeliseyev | Soviet Union | Football | 1972 Summer | |
| Margarita Yelisseyeva | Kazakhstan | Weightlifting | 2016 Summer | |
| Yuliya Yelistratova | Ukraine | Triathlon | 2008 Summer, 2012 Summer, 2016 Summer | |
| Aleksandr Yelizarov [ Wikidata ] | Russia | Athletics | 1912 Summer | |
| Albina Yelkina | Soviet Union | 1956 Summer | |
| Paul Yelle | Barbados | Swimming | 1988 Summer | |
| Roei Yellin | Israel | Canoe sprint | 2000 Summer, 2004 Summer | |
| Liz Yelling | Great Britain | Athletics | 2004 Summer, 2008 Summer | |
| Rolf Yelseth | South Africa | Artistic gymnastics | 1952 Summer | |
| Oleg Yem | Kazakhstan | Weightlifting | 1996 Summer | |
| Lema Yemane | Ethiopia | Boxing | 1972 Summer | |
| Tatyana Yembakhtova | Soviet Union | Field hockey | 1980 Summer | |
| Ihor Yemchuk | Rowing | 1952 Summer, 1956 Summer | |
| Alexandr Yemelyanov | Kazakhstan | Canoe sprint | 2016 Summer | |
| Konstantin Yemelyanov | Russia | Sailing | 2000 Summer | |
| Mikhail Yemelyanov | Kazakhstan | Canoe sprint | 2008 Summer | |
| Sergey Yemelyanov | 2020 Summer, 2024 Summer | |
| Timofey Yemelyanov | 2020 Summer | |
| Vadim Yemelyanov | Soviet Union | Boxing | 1964 Summer | |
| Vladimir Yemelyanov | Belarus | Weightlifting | 1996 Summer | |
| Mounir Yemmouni | France | Athletics | 2004 Summer | |
| Au Li Yen | Malaysia | Artistic gymnastics | 2000 Summer | |
| Yen Kuo-che | Chinese Taipei | Judo | 2000 Summer | |
| Yen Man-sung | Archery | 1988 Summer | |
| Yen Show-tzu | Softball | 1996 Summer, 2004 Summer | |
| Trần Thị Nhi Yến [ Wikidata ] | Vietnam | Athletics | 2024 Summer | |
| Ulvi Yenal | Turkey | Football | 1928 Summer | |
| Hubert Yencesse | France | Art competitions | 1948 Summer | |
| Juliana Yendork | Ghana | Athletics | 1988 Summer | |
| Vladimir Yengibaryan | Soviet Union | Boxing | 1956 Summer, 1960 Summer | |
| Yolaine Yengo | France | Rugby sevens | 2024 Summer | |
| Harutyun Yenokyan | Armenia | Wrestling | 2008 Summer | |
| Alexandros Yenovelis | Greece | Athletics | 1996 Summer | |
| Galina Yenyukhina | Unified Team | Track cycling | 1992 Summer | |
| Yeo Bum-kyu | South Korea | Football | 1988 Summer | |
| Eric Yeo | Singapore | Water polo | 1956 Summer | |
| Gary Yeo | Athletics | 2012 Summer | |
| Yeo Gek Huat | Basketball | 1956 Summer | |
| Yeo Hong-chul | South Korea | Artistic gymnastics | 1992 Summer, 1996 Summer, 2000 Summer | |
| Yeo Jia Min | Singapore | Badminton | 2020 Summer, 2024 Summer | |
| Joscelin Yeo | Swimming | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer | |
| Yeo Kab-soon | South Korea | Shooting | 1992 Summer | |
| Kenneth Yeo | Singapore | Swimming | 1992 Summer | |
| Yeo Kian Chye | Athletics | 1972 Summer | |
| Yeo Sang-yeop | South Korea | Speed skating | 2002 Winter, 2006 Winter | |
| Yeo Seo-jeong | Artistic gymnastics | 2020 Summer, 2024 Summer | |
| Yeo Woon-kon | Field hockey | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Bernard Yeoh | Malaysia | Shooting | 2004 Summer | |
| Yeoh Ken Nee | Diving | 2000 Summer, 2012 Summer | |
| Yeom Dong-chul | South Korea | Weightlifting | 1992 Summer | |
| Roger Yeoman | Great Britain | Sailing | 1988 Summer | |
| Linda Yeomans | Guam | 1992 Summer | |
| Kim Yeong-hyeon [ Wikidata ] | South Korea | Swimming | 2024 Summer | |
| Kim Yeong-Su [ Wikidata ] | Baseball | 1996 Summer | |
| Hur Yeon-kyung [ Wikidata ] | Swimming | 2024 Summer | |
| Omar Mohamed Razali Yeop | Malaysia | Field hockey | 1972 Summer | |
| Alfred Yeoumans | Great Britain | Athletics | 1908 Summer | |
| Lucía Yépez | Ecuador | Wrestling | 2020 Summer, 2024 Summer | |
| Nikolay Yepifanov | Soviet Union | Sailing | 1960 Summer | |
| Alla Yepifanova | Russia | Cycling mountain bike | 1996 Summer, 2000 Summer | |
| Andrey Yepishin | Athletics | 2004 Summer, 2008 Summer | |
| Blaise Yepmou | Cameroon | Boxing | 2012 Summer | |
| Zhu Yeqing [ Wikidata ] | China | Judo | 2024 Summer | |
| Kairat Yeraliyev | Kazakhstan | Boxing | 2016 Summer | |
| Alexandr Yeremenko [ Wikidata ] | Archery | 2024 Summer | |
| Ruslan Yeremenko | Ukraine | Athletics | 2004 Summer | |
| Vera Yeremenko | Kazakhstan | Alpine skiing | 2006 Winter | |
| Vitali Yeremeyev | Ice hockey | 1998 Winter, 2006 Winter | |
| Roman Yeremin | Biathlon | 2018 Winter | |
| Arman Yeremyan | Armenia | Taekwondo | 2012 Summer | |
| Vladimir Yereshchenko | Soviet Union | Boxing | 1988 Summer | |
| Alisher Yergali | Kazakhstan | Wrestling | 2020 Summer, 2024 Summer | |
| Feruza Yergeshova | Taekwondo | 2012 Summer | |
| Andrey Yerguchyov | Canoe sprint | 2016 Summer | |
| Yernar Yerimbetov | Artistic gymnastics | 2004 Summer | |
| Sergey Yerkovich | Belarus | Ice hockey | 1998 Winter | |
| Hamza Yerlikaya | Turkey | Wrestling | 1996 Summer, 2000 Summer, 2004 Summer | |
| Nikolay Yermakov | Soviet Union | Sailing | 1952 Summer | |
| Yuriy Yermakov | Ukraine | Artistic gymnastics | 1996 Summer | |
| Anastasiya Yermakova | Russia | Artistic swimming | 2004 Summer, 2008 Summer | |
| Oksana Yermakova | Estonia, Russia | Fencing | 1996 Summer, 2000 Summer, 2004 Summer | |
| Yevgeniya Yermakova | Unified Team, Kazakhstan | Swimming | 1992 Summer, 1996 Summer | |
| Jack Yerman | United States | Athletics | 1960 Summer | |
| Sergey Yermishin | Russia | Beach volleyball | 2000 Summer | |
| José Maria Yermo | Spain | Football, Track cycling | 1928 Summer | |
| Galina Yermolayeva | Soviet Union | Rowing | 1976 Summer | |
| Yury Yermolenko | Russia | Shooting | 1996 Summer | |
| Oleg Yermolin | Unified Team | Luge | 1992 Winter | |
| Natalya Yermolovich | Soviet Union | Athletics | 1988 Summer | |
| Kalidou Yero | Senegal | Football | 2012 Summer | |
| Tamara Yerofeeva | Ukraine | Rhythmic gymnastics | 2000 Summer | |
| Igor Yerokhin | Russia | Athletics | 2012 Summer | |
| Nikolay Yeroshenko | Uzbekistan | 2000 Summer | |
| Radya Yeroshina | Soviet Union | Cross country skiing | 1956 Winter, 1960 Winter | |
| Dmitry Yershov | Unified Team | Short track speed skating | 1992 Winter | |
| Vasiliy Yershov | Soviet Union | Athletics | 1976 Summer | |
| Nataliya Yershova | Swimming | 1972 Summer | |
| Dmitriy Yeremenko | Kazakhstan | Cross country skiing | 2006 Winter | |
| Stanislav Yeryomin | Soviet Union | Basketball | 1980 Summer | |
| Aleksandr Yeryshov | Russia | Water polo | 1996 Summer, 2000 Summer, 2004 Summer | |
| Ainur Yesbergenova | Kazakhstan | Taekwondo | 2016 Summer | |
| Ababel Yeshaneh | Ethiopia | Athletics | 2016 Summer | |
| Vladimir Yesheyev | Soviet Union, Unified Team | Archery | 1980 Summer, 1988 Summer, 1992 Summer | |
| Elif Jale Yeşilırmak | Turkey | Wrestling | 2012 Summer, 2016 Summer | |
| Süheyl Yeşilnur | Judo | 1976 Summer, 1984 Summer | |
| Aleksey Yesin | Russia | Speed skating | 2010 Winter, 2014 Winter | |
| Mikhail Yesin | Soviet Union, Unified Team, Russia | Ski jumping | 1988 Winter, 1992 Winter, 1994 Winter | |
| Veronika Yesipovich | Belarus | Artistic swimming | 2016 Summer | |
| Moli Yeski Yusef | Chad | Athletics | 1988 Summer, 1992 Summer | |
| Oyuntsetsegiin Yesügen | Mongolia | Boxing | 2024 Summer | |
| Oyuunbatyn Yesügen | Shooting | 2020 Summer, 2024 Summer | |
| Bayaryn Yesüi | Swimming | 2016 Summer | |
| Zeynep Yetgil | Turkey | Wrestling | 2024 Summer | |
| Wayne Yetman | Canada | Athletics | 1976 Summer | |
| Yeum Hye-seon | South Korea | Volleyball | 2016 Summer, 2020 Summer | |
| Alexandra Yeung | Hong Kong | Cycling mountain bike | 2000 Summer | |
| Yeung Chui Ling | Fencing | 2008 Summer, 2012 Summer | |
| Jamie Yeung | Swimming | 2020 Summer | |
| Yeung Luen Lin | Judo | 1984 Summer | |
| Yeung Nga Ting | Badminton | 2024 Summer | |
| Yeung Pui Lam | 2024 Summer | |
| Yeung Sau-king | China | Swimming | 1936 Summer | |
| Aleksandr Yevdokimov | Soviet Union | Equestrian eventing | 1968 Summer | |
| Yegor Yevdokimov | Russia | Handball | 2008 Summer | |
| Irina Yevdokimova | Kazakhstan | Artistic gymnastics | 2000 Summer | |
| Natalya Yevdokimova | Russia | Athletics | 2004 Summer | |
| Valeriy Yevetskiy | Ukraine | Archery | 1996 Summer | |
| Olga Yevkova | Soviet Union | Basketball | 1988 Summer | |
| Valentina Yevpak | Road cycling | 1988 Summer | |
| Gennady Yevryuzhikhin | Football | 1972 Summer | |
| Nikolay Yevseyev | Swimming | 1988 Summer | |
| Vladimir Yevseyev | Rowing | 1964 Summer | |
| Inna Yevseyeva | Soviet Union, Unified Team | Athletics | 1988 Summer, 1992 Summer | |
| Yekaterina Yevseyeva | Kazakhstan | 2008 Summer | |
| Sergey Yevstigneyev | Russia | Water polo | 1996 Summer | |
| Viktor Yevsyukov | Soviet Union | Athletics | 1988 Summer | |
| Yevgeniy Yevsyukov | 1980 Summer | |
| Nina Yevteyeva | Russia | Short track speed skating | 2002 Winter, 2010 Winter | |
| Georgy Yevtyukhin | Ice hockey | 1994 Winter | |
| John Fong Yew | Trinidad and Tobago | Shooting | 1976 Summer | |
| Sofia Yfantidou | Greece | Athletics | 2012 Summer, 2016 Summer | |
| Torbjørn Yggeseth | Norway | Ski jumping | 1960 Winter, 1964 Winter | |
| Henry Yglesias | Great Britain | Figure skating | 1908 Summer | |
| Basilisa Ygnalaga | Philippines | Archery | 1988 Summer | |
| Sandra Ygueravide | Spain | 3x3 basketball | 2024 Summer | |
| Yi Dexin | China | Judo | 1984 Summer | |
| Dong Yi [ Wikidata ] | Canoe sprint | 2024 Summer | |
| Yi Jianlian | Basketball | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Yi Jingqian | Tennis | 1996 Summer, 2000 Summer | |
| Yi Li | Basketball | 2012 Summer | |
| Yi Shanjun | Wrestling | 2000 Summer | |
| Yi Siling | Shooting | 2012 Summer, 2016 Summer | |
| Yi Xudi | Rowing | 2020 Summer | |
| Yi Yuong | Cambodia | Road cycling | 1964 Summer | |
| William Yiampoy | Kenya | Athletics | 2000 Summer | |
| Chiu Yi-ching [ Wikidata ] | Chinese Taipei | Archery | 2024 Summer | |
| Miruts Yifter | Ethiopia | Athletics | 1972 Summer, 1980 Summer | |
| Anthony Yigit | Sweden | Boxing | 2012 Summer | |
| Selahattin Yiğit | Turkey | Wrestling | 1992 Summer | |
| Eyüp Yiğittürk | Equestrian eventing | 1948 Summer | |
| Addisu Yihune | Ethiopia | Athletics | 2024 Summer | |
| Enver Yıldırım | Turkey | Fencing | 2024 Summer | |
| Kazım Yıldırım | Wrestling | 1972 Summer | |
| Mithat Yıldırım | Cross country skiing | 1992 Winter, 1994 Winter | |
| Serkan Yıldırım | Iran | Athletics | 2012 Summer | |
| Ediz Yıldırımer | Turkey | Swimming | 2008 Summer, 2012 Summer | |
| Ercan Yıldız | Wrestling | 2000 Summer, 2004 Summer | |
| Esra Yıldız | Boxing | 2020 Summer, 2024 Summer | |
| Fuat Yıldız | Germany | Wrestling | 1992 Summer | |
| Neşe Şensoy Yıldız | Turkey | Judo | 2000 Summer, 2004 Summer | |
| Rıfat Yıldız | West Germany, Germany | Wrestling | 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer | |
| Salih Yıldız | Turkey | Judo | 2024 Summer | |
| Turhan Yıldız | Football | 1960 Summer | |
| Abdullah Yılmaz | Cross country skiing | 1988 Winter, 1992 Winter | |
| Cem Yılmaz | Rowing | 2016 Summer | |
| Gıyasettin Yılmaz | Wrestling | 1964 Summer, 1968 Summer, 1972 Summer | |
| Hakan Yılmaz | Weightlifting | 2004 Summer | |
| Mehmet Yılmaz | 1996 Summer, 2000 Summer | |
| Nevriye Yılmaz | Basketball | 2012 Summer, 2016 Summer | |
| Şimal Yılmaz | Shooting | 2024 Summer | |
| Tutya Yılmaz | Artistic gymnastics | 2016 Summer | |
| Yaşar Yılmaz | Wrestling | 1956 Summer, 1960 Summer | |
| Yim Bang-eun | South Korea | Badminton | 2004 Summer | |
| Yim Jung-hyun | Athletics | 2012 Summer | |
| Yim Kyung-jin | Badminton | 2000 Summer | |
| Zeineba Yimer | Ethiopia | Athletics | 2020 Summer | |
| Budsabong Yimploy | Thailand | 1964 Summer | |
| Pathunyu Yimsomruay | Swimming | 2000 Summer | |
| Yin Anna | China | Athletics | 2012 Summer | |
| Cheng Ching Yin [ Wikidata ] | Hong Kong | Sailing | 2024 Summer | |
| Yin Chengxin | China | Artistic swimming | 2016 Summer, 2020 Summer | |
| Elizabeth Yin | Singapore | Sailing | 2012 Summer, 2016 Summer | |
| Yin Hong | China | Freestyle skiing | 1994 Winter, 1998 Winter | |
| Yin Jian | Sailing | 2004 Summer, 2008 Summer | |
| Yin Junhua | Boxing | 2016 Summer | |
| Yin Lianchi | Fencing | 2008 Summer | |
| Yin Mengdie | Canoe sprint | 2020 Summer, 2024 Summer | |
| Nil Kyaw Yin | Myanmar | Weightlifting | 1952 Summer | |
| Yin Qi | China | Speed skating | 2022 Winter | |
| Yin Qiao | Biathlon | 2006 Winter | |
| Yin Ruoning | Golf | 2024 Summer | |
| Yin Xiaoyan | Karate | 2020 Summer | |
| Yin Yijun | Canoe sprint | 2004 Summer | |
| Yin Yin | Volleyball | 2000 Summer | |
| Ying Rudi | Ice hockey | 2022 Winter | |
| Ying Zhenshan | Biathlon | 1980 Winter | |
| François Yinga | Cameroon | Wrestling | 1988 Summer | |
| Cai Yingquan | China | Road cycling | 1988 Summer | |
| Zeng Yingying | Breaking | 2024 Summer | |
| Lu Yinqna [ Wikidata ] | Rhythmic gymnastics | 2004 Summer | |
| Alannah Yip | Canada | Sport climbing | 2020 Summer | |
| Brandon Yip | China | Ice hockey | 2022 Winter | |
| Yip Hor Man | Hong Kong | Swimming | 1988 Summer | |
| Lily Yip | United States | Table tennis | 1992 Summer, 1996 Summer | |
| Yip Pui Yin | Hong Kong | Badminton | 2008 Summer, 2012 Summer, 2016 Summer | |
| Yip Tsz-wa | Swimming | 2004 Summer | |
| Luchia Yishak | Ethiopia | Athletics | 1992 Summer, 1996 Summer | |
| Chen Yi-tung | Chinese Taipei | Fencing | 2024 Summer | |
| Yiu Cheuk Yin | Football | 1960 Summer | |
| Yiu Kit Ching | Hong Kong | Athletics | 2016 Summer | |
| Lv Yixiao [ Wikidata ] | China | Sailing | 2024 Summer | |
| Lyu Yixin [ Wikidata ] | Ski jumping | 2022 Winter | |
| Jan Ykema | Netherlands | Speed skating | 1984 Winter, 1988 Winter | |
| Lars Ylander | Sweden | Athletics | 1952 Summer | |
| Teófilo Yldefonso | Philippines | Swimming | 1928 Summer, 1932 Summer, 1936 Summer | |
| Mehmet Yıldırım | Turkey | Alpine skiing | 1968 Winter | |
| Rukiye Yıldırım | Taekwondo | 2020 Summer | |
| Abdullah Yıldırmış | Archery | 2024 Summer | |
| Leif Yli | Norway | Road cycling | 1968 Summer | |
| Kari Ylianttila | Finland | Ski jumping | 1972 Winter, 1980 Winter | |
| Marko Yli-Hannuksela | Wrestling | 1996 Summer, 2000 Summer, 2004 Summer | |
| Antero Yli-Ikkelä | Rowing | 1972 Summer | |
| Markku Yli-Isotalo | Wrestling | 1976 Summer | |
| Marjo Yli-Kiikka | Shooting | 2004 Summer, 2008 Summer, 2012 Summer | |
| Johanna Ylinen | Judo | 2008 Summer, 2012 Summer | |
| Jukka Ylipulli | Nordic combined | 1984 Winter, 1988 Winter | |
| Raimo Ylipulli | Ski jumping | 1994 Winter | |
| Tuomo Ylipulli | 1988 Winter | |
| Jorge Yllescas | Peru | Wrestling | 1996 Summer | |
| Bahri Yılmaz [ Wikidata ] | Turkey | Cross country skiing | 1976 Winter | |
| Juha Ylönen | Finland | Ice hockey | 1998 Winter, 2002 Winter | |
| Petri Ylönen | France | 1992 Winter, 1994 Winter | |
| Rafael Ylönen | Finland | Artistic gymnastics | 1928 Summer | |
| Sirpa Ylönen | Shooting | 1984 Summer, 1988 Summer | |
| Urpo Ylönen | Ice hockey | 1968 Winter, 1976 Winter | |
| Vilho Ylönen | Shooting | 1952 Summer, 1956 Summer, 1960 Summer, 1964 Summer | |
| Mikael Ylöstalo | Athletics | 1988 Summer | |
| Martin Laumann Ylven | Norway | Ice hockey | 2010 Winter | |
| Amber Yobech | Palau | Swimming | 2008 Summer | |
| Ikuko Yoda | Japan | Athletics | 1964 Summer | |
| Amy Yoder Begley | United States | 2008 Summer | |
| Alec Yoder | Artistic gymnastics | 2020 Summer | |
| Lee Yoder | Athletics | 1952 Summer | |
| Inna Yoffe | Israel | Artistic swimming | 2004 Summer, 2008 Summer, 2012 Summer | |
| Rajaratnam Yogeswaran | Malaysia | Field hockey | 1964 Summer, 1968 Summer | |
| Abdul Marzouk Al-Yoha | Kuwait | Athletics | 1988 Summer, 1992 Summer | |
| T. C. Yohannan | India | 1976 Summer | |
| Musse Yohannes [ Wikidata ] | Ethiopia | Road cycling | 1980 Summer | |
| Phurit Yohuang [ Wikidata ] | Thailand | Modern pentathlon | 2024 Summer | |
| Tony Yoka | France | Boxing | 2012 Summer, 2016 Summer | |
| Alexandre Yokochi | Portugal | Swimming | 1984 Summer, 1988 Summer, 1992 Summer | |
| Saburo Yokomizo | Japan | Athletics | 1964 Summer | |
| Chisato Yokoo | Rugby sevens | 2016 Summer | |
| Yuki Yokosawa | Judo | 2004 Summer | |
| Aya Yokoshima | Handball | 2020 Summer | |
| Kiko Yokota | Rhythmic gymnastics | 2016 Summer | |
| Masato Yokota | Athletics | 2012 Summer | |
| Misao Yokota | Swimming | 1932 Summer | |
| Tadayoshi Yokota | Volleyball | 1968 Summer, 1972 Summer, 1976 Summer | |
| Hidekazu Yokoyama | Wrestling | 1996 Summer, 2004 Summer | |
| Hiroki Yokoyama | Short track speed skating | 2018 Winter | |
| Juri Yokoyama | Volleyball | 1976 Summer | |
| Kenshichi Yokoyama | Basketball | 1936 Summer | |
| Kenzo Yokoyama | Football | 1964 Summer, 1968 Summer | |
| Kumiko Yokoyama | Cross country skiing | 1998 Winter | |
| Kunihiko Yokoyama | Basketball | 1972 Summer | |
| Manabu Yokoyama | Athletics | 2000 Summer | |
| Sumiko Yokoyama | Cross country skiing | 1994 Winter, 1998 Winter, 2002 Winter, 2006 Winter | |
| Takashi Yokoyama | Swimming | 1932 Summer | |
| Takashi Yokoyama | Water polo | 1964 Summer | |
| Doston Yokubov | Uzbekistan | Weightlifting | 2016 Summer | |
| Yavuz Yolcu | Turkey | Judo | 1988 Summer | |
| Pedro Yoma | Chile | Athletics | 1952 Summer | |
| Léon Yombe | Republic of the Congo | 1964 Summer | |
| Supatra Yompakdee | Thailand | Judo | 1992 Summer | |
| Adi Yona | Israel | Football | 2024 Summer | |
| Eri Yonamine | Japan | Road cycling | 2016 Summer, 2020 Summer, 2024 Summer | |
| Yitzhak Yonassi | Israel | Shooting | 1984 Summer, 1988 Summer | |
| Isao Yoneda | Japan | Artistic gymnastics | 2004 Summer | |
| Yoko Yoneda | Artistic swimming | 2000 Summer, 2004 Summer | |
| Yuko Yoneda | 2000 Summer | |
| Kunio Yonehara | Water polo | 1968 Summer | |
| Hoji Yonekura | Boxing | 1964 Summer | |
| Kanako Yonekura | Badminton | 2000 Summer, 2004 Summer | |
| Kenji Yonekura | Boxing | 1956 Summer | |
| Teruyasu Yonekura | Athletics | 1996 Summer | |
| Tatsuhiro Yonemitsu | Wrestling | 2012 Summer | |
| Shuichi Yoneshige | Athletics | 1988 Summer | |
| Haruna Yoneyama | Ice hockey | 2014 Winter, 2018 Winter, 2022 Winter | |
| Hiroshi Yoneyama | Swimming | 1928 Summer | |
| Kazutomo Yoneyama | Volleyball | 1988 Summer | |
| Jack Yonezuka | United States | Judo | 2024 Summer | |
| Audrey Yong | Singapore | Sailing | 2016 Summer | |
| Edmund Yong | Malaysia | Shooting | 1976 Summer | |
| Yong Fujun | China | Archery | 2004 Summer | |
| Joshua Yong | Australia | Swimming | 2024 Summer | |
| Yvette Yong | Canada | Taekwondo | 2020 Summer | |
| Ri Yong-gum | North Korea | Cross country skiing | 2018 Winter | |
| Jo Yong-Hui [ Wikidata ] | Artistic swimming | 2000 Summer | |
| Im Yong-myong [ Wikidata ] | Diving | 2024 Summer | |
| Mike Yonker | United States | Rowing | 1960 Summer | |
| Yoo Hye-min | South Korea | Alpine skiing | 2002 Winter | |
| Yoo Hyeok-geun | Rowing | 1964 Summer | |
| Yoo Hyun-ji | Handball | 2016 Summer | |
| Yoo Jae-hak | Basketball | 1988 Summer | |
| Yoo Jin-sun | Tennis | 1988 Summer | |
| Yoo Joong-tak | Volleyball | 1984 Summer | |
| Yoo Jung-nam | Swimming | 2008 Summer | |
| Yoo Nam-kyu | Table tennis | 1988 Summer, 1992 Summer, 1996 Summer | |
| Yoo Ok-ryul | Artistic gymnastics | 1992 Summer | |
| Yoo Sang-chul | Football | 2004 Summer | |
| Yoo Seung-hoon | Water polo | 1988 Summer | |
| Yoo Sung-yeon | Judo | 2000 Summer | |
| Yoo Sun-hee | Speed skating | 1988 Winter, 1992 Winter, 1994 Winter | |
| Yoo Won-chul | Artistic gymnastics | 2008 Summer, 2016 Summer | |
| Yoo Yeon-seong | Badminton | 2012 Summer, 2016 Summer | |
| Yoo Yong-sung | 1996 Summer, 2000 Summer, 2004 Summer | |
| Yoo Young-joo | Basketball | 1996 Summer | |
| Yoo Young-tae | Wrestling | 1988 Summer | |
| Yoon Byung-soon | Handball | 1984 Summer | |
| Yoon Cheul | Sailing | 1992 Summer, 2008 Summer | |
| Yoon Deok-ha | Shooting | 1984 Summer | |
| Yoon Hye-young | Archery | 1996 Summer | |
| Yoon Hyun | Judo | 1992 Summer | |
| Yoon Hyun-ji | 2020 Summer, 2024 Summer | |
| Yoon Jae-young | Table tennis | 2008 Summer | |
| Yoon Jin-hee | Weightlifting | 2008 Summer, 2016 Summer | |
| Yoon Ji-su | Fencing | 2016 Summer, 2020 Summer, 2024 Summer | |
| Yoon Jong-hwan | Football | 1996 Summer | |
| Yoon Kyung-jae | Wrestling | 1988 Summer | |
| Yoon Kyung-min | Handball | 2000 Summer, 2004 Summer, 2008 Summer | |
| Yoon Kyung-shin | 1992 Summer, 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Yoon Nam-ho | Rowing | 1988 Summer | |
| Yoon Soo-kyung | Handball | 1984 Summer | |
| Yoon Suk-min | Baseball | 2008 Summer | |
| Yoon Sung-hoon | Field hockey | 2008 Summer, 2012 Summer | |
| Yoon Tae-il | Handball | 1988 Summer | |
| Yoon Yong-il | Tennis | 1996 Summer, 2000 Summer | |
| Yoon Young-nae | Volleyball | 1972 Summer, 1976 Summer | |
| Hur Yoonseo [ Wikidata ] | Artistic swimming | 2024 Summer | |
| Borislav Yordanov | Bulgaria | Alpine skiing | 1936 Winter | |
| Boyan Yordanov | Volleyball | 2008 Summer | |
| Dancho Yordanov | Artistic gymnastics | 1980 Summer | |
| Daniel Yordanov | Rowing | 1988 Summer | |
| Deyan Yordanov [ Wikidata ] | Artistic gymnastics | 1996 Summer, 2000 Summer | |
| Dimitar Yordanov | 1952 Summer | |
| Evgeni Yordanov | Athletics | 1964 Summer | |
| Ivan Yordanov | Weightlifting | 1960 Summer | |
| Ivaylo Yordanov | Wrestling | 1992 Summer | |
| Nedelcho Yordanov | Water polo | 1972 Summer | |
| Nikolay Yordanov | Canoe sprint | 1988 Summer, 1992 Summer, 1996 Summer | |
| Rumen Yordanov | Wrestling | 1980 Summer | |
| Stoyan Yordanov | Football | 1968 Summer | |
| Valentin Yordanov | Wrestling | 1988 Summer, 1992 Summer, 1996 Summer | |
| Yordan Yordanov | Canoe sprint | 2000 Summer, 2004 Summer | |
| Antoniya Yordanova | Athletics | 2004 Summer | |
| Daniela Yordanova | 2000 Summer, 2004 Summer | |
| Emilia Yordanova | Biathlon | 2018 Winter | |
| Reni Yordanova | Rowing | 1976 Summer | |
| Todorka Yordanova | Basketball | 1976 Summer | |
| Zdravka Yordanova | Rowing | 1976 Summer, 1980 Summer | |
| Diana Yorgova | Athletics | 1964 Summer, 1972 Summer | |
| Lisa York | Great Britain | 1992 Summer | |
| Michael York | Australia | Field hockey | 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer | |
| Mike York | United States | Ice hockey | 2002 Winter | |
| Teri York | Canada | Diving | 1972 Summer, 1976 Summer | |
| Andrew Yorke | Triathlon | 2016 Summer | |
| Joe Yorke | New Zealand | Equestrian jumping | 1976 Summer | |
| Richard Yorke | Great Britain | Athletics | 1908 Summer, 1912 Summer | |
| Yevgeni Yorkin | Soviet Union | Ice hockey | 1960 Winter | |
| Simon Yorston | New Zealand | Field hockey | 2024 Summer | |
| William Yorzyk | United States | Swimming | 1956 Summer | |
| Yessy Yosaputra | Indonesia | 2016 Summer | |
| Ai Yoshida | Japan | Sailing | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Asami Yoshida | Basketball | 2016 Summer, 2024 Summer | |
| Ayako Yoshida | Rowing | 1996 Summer, 2000 Summer | |
| Chinami Yoshida | Curling | 2014 Winter, 2018 Winter, 2022 Winter | |
| Hidehiko Yoshida | Judo | 1992 Summer, 1996 Summer, 2000 Summer | |
| Keishin Yoshida | Cross country skiing | 2014 Winter, 2018 Winter | |
| Kento Yoshida | Fencing | 2020 Summer, 2024 Summer | |
| Kiichi Yoshida | Swimming | 1936 Summer | |
| Kurumi Yoshida | Artistic swimming | 2012 Summer, 2016 Summer | |
| Mariko Yoshida | Volleyball | 1976 Summer | |
| Masami Yoshida | Athletics | 1964 Summer | |
| Masami Yoshida | 1984 Summer, 1988 Summer, 1992 Summer | |
| Masao Yoshida | Sailing | 1964 Summer | |
| Masataka Yoshida | Baseball | 2020 Summer | |
| Maya Yoshida | Football | 2008 Summer, 2012 Summer, 2020 Summer | |
| Megumu Yoshida | Artistic swimming | 2020 Summer, 2024 Summer | |
| Rikio Yoshida | Nordic combined | 1960 Winter | |
| Ryoichi Yoshida | Athletics | 1984 Summer, 1988 Summer | |
| Saori Yoshida | Wrestling | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Setsuko Yoshida | Volleyball | 1968 Summer | |
| Shigetomo Yoshida | Equestrian jumping | 1928 Summer | |
| Shuichi Yoshida | Wrestling | 1932 Summer | |
| Shuichi Yoshida | Handball | 2020 Summer, 2024 Summer | |
| Takahisa Yoshida | Athletics | 2000 Summer | |
| Takuma Yoshida | Water polo | 2020 Summer | |
| Toshitada Yoshida | Wrestling | 1972 Summer | |
| Tsukasa Yoshida | Judo | 2020 Summer | |
| Yoshikatsu Yoshida | Wrestling | 1964 Summer | |
| Yugo Yoshida | Sailing | 2012 Summer | |
| Yurika Yoshida | Curling | 2018 Winter, 2022 Winter | |
| Tomoko Yoshihara | Volleyball | 1992 Summer, 1996 Summer, 2004 Summer | |
| Hirotaka Yoshii [ Wikidata ] | Basketball | 2024 Summer | |
| Sayuri Yoshii | Speed skating | 2006 Winter, 2010 Winter | |
| Ayako Yoshikawa | Athletics | 1952 Summer | |
| Mariko Yoshikawa | Fencing | 1976 Summer | |
| Mika Yoshikawa | Athletics | 2012 Summer | |
| Mineo Yoshikawa | Basketball | 1972 Summer | |
| Takashi Yoshikawa | Field hockey | 2020 Summer | |
| Yoshihisa Yoshikawa | Shooting | 1960 Summer, 1964 Summer, 1968 Summer, 1972 Summer | |
| Yuri Yoshikawa | Snowboarding | 1998 Winter, 2002 Winter | |
| Jo Yoshimi | Swimming | 1996 Summer | |
| Naho Yoshimi | Ice hockey | 1998 Winter | |
| Yuji Yoshimi | Baseball | 2000 Summer | |
| Hisaya Yoshimoto | Weightlifting | 1996 Summer, 2000 Summer | |
| Hajime Yoshimura | Biathlon | 1968 Winter | |
| Maharu Yoshimura | Table tennis | 2016 Summer | |
| Masahiro Yoshimura | Swimming | 1956 Summer | |
| Miho Yoshimura | Fencing | 2024 Summer | |
| Minoru Yoshimura | Field hockey | 1968 Summer | |
| Haruo Yoshimuta | Swimming | 1960 Summer, 1964 Summer | |
| Kazuki Yoshinaga | Short track speed skating | 2018 Winter, 2022 Winter | |
| Nobuatsu Yoshino | Canoe sprint | 1968 Summer | |
| Noriichi Yoshino | Rowing | 1964 Summer | |
| Shuta Yoshino | Boxing | 1964 Summer | |
| Tatsuki Yoshino | Handball | 2020 Summer, 2024 Summer | |
| Toyoko Yoshino | Athletics | 1952 Summer, 1956 Summer | |
| Shoji Yoshio | Canoe sprint | 1964 Summer | |
| Dai Yoshioka | Shooting | 2020 Summer, 2024 Summer | |
| Daisuke Yoshioka | Alpine skiing | 2006 Winter | |
| Hideichi Yoshioka | Wrestling | 1936 Summer | |
| Miho Yoshioka | Sailing | 2016 Summer, 2020 Summer, 2024 Summer | |
| Takayoshi Yoshioka | Athletics | 1932 Summer, 1936 Summer | |
| Yuka Yoshisako | Sailing | 2004 Summer | |
| Keiko Yoshitomi | Badminton | 2004 Summer | |
| Coco Yoshizawa | Skateboarding | 2024 Summer | |
| Hiroshi Yoshizawa | Ski jumping, Nordic combined | 1952 Winter, 1956 Winter | |
| Jumpei Yoshizawa | Short track speed skating | 2010 Winter | |
| Ken Yoshizawa | Athletics | 2004 Summer | |
| Taichi Yoshizawa | Rugby sevens | 2024 Summer | |
| Viktor Yosifov | Bulgaria | Volleyball | 2012 Summer | |
| Yordan Yosifov | Football | 1956 Summer | |
| Sakura Yosozumi | Japan | Skateboarding | 2020 Summer, 2024 Summer | |
| Noha Yossry | Egypt | Table tennis | 2008 Summer | |
| Lyudmyla Yosypenko | Ukraine | Athletics | 2012 Summer | |
| Boris Yotov | Azerbaijan | Rowing | 2016 Summer | |
| Yoto Yotov | Bulgaria | Weightlifting | 1992 Summer, 1996 Summer | |
| You Bong-hyung | South Korea | Fencing | 1992 Summer | |
| You Chin Hong | Cambodia | Boxing | 1964 Summer | |
| You Hao | China | Artistic gymnastics | 2016 Summer, 2020 Summer | |
| You Hyo-sik | South Korea | Field hockey | 2004 Summer, 2008 Summer, 2012 Summer | |
| You In-tak | Wrestling | 1984 Summer | |
| You Jae-sook | Field hockey | 1992 Summer, 1996 Summer | |
| You Meihong | China | Swimming | 2008 Summer | |
| You Sang-joo | South Korea | Fencing | 1996 Summer | |
| You Seung-hun | Swimming | 2004 Summer | |
| You Wenhui | China | Beach volleyball | 2004 Summer | |
| You Yanchun | Speed skating | 2002 Winter | |
| You Young | South Korea | Figure skating | 2022 Winter | |
| Henriette Youanga | Central African Republic | Archery | 2000 Summer | |
| Walter Youell | South Africa | Rowing | 1936 Summer | |
| Rene Jacob Yougbara | Burkina Faso | Swimming | 2008 Summer | |
| Alexandre Yougbare | Athletics | 1988 Summer | |
| Yaqoub Al-Youha | Kuwait | 2020 Summer, 2024 Summer | |
| Benjamin Youla | Republic of the Congo | 2000 Summer | |
| Jean-Baptiste Youmbi | Cameroon | Wrestling | 1988 Summer | |
| Mahmoud Younes | Egypt | Fencing | 1948 Summer, 1952 Summer | |
| Albert Young | United States | Boxing | 1904 Summer | |
| Alex Young | Athletics | 2020 Summer | |
| Alison Young | Great Britain | Sailing | 2012 Summer, 2016 Summer, 2020 Summer | |
| Andrew Young | Cross country skiing | 2010 Winter, 2014 Winter, 2018 Winter, 2022 Winter | |
| Anthony Young | United States | Track cycling | 1920 Summer | |
| Blair Young | Australia | Athletics | 2000 Summer | |
| Bret Young | United States | Canoe sprint | 1984 Summer | |
| Bryan Young | South Korea | Ice hockey | 2018 Winter | |
| C. J. Young | United States | 1992 Winter | |
| Charles Morris Young | Art competitions | 1928 Summer, 1932 Summer | |
| Charokee Young | Jamaica | Athletics | 2024 Summer | |
| Clayton Young | United States | 2024 Summer | |
| Curt Young | Panama | 1996 Summer, 2000 Summer | |
| Cy Young | United States | 1952 Summer, 1956 Summer | |
| Dannette Young | 1988 Summer, 1992 Summer, 1996 Summer | |
| Darius Young | Shooting | 1988 Summer, 1992 Summer | |
| David Young | Swimming | 1928 Summer | |
| David Young | Fiji | 2024 Summer | |
| Dolores Young | Canada | Rowing | 1976 Summer, 1984 Summer | |
| Donald Young | United States | Tennis | 2012 Summer | |
| Donnell Young | Athletics | 1912 Summer | |
| Doug Young | Great Britain | Boxing | 1984 Summer | |
| Earl Young | United States | Athletics | 1960 Summer | |
| Edwin Young | Diving | 1968 Summer | |
| Ernie Young | Baseball | 2000 Summer | |
| Frank Young | Canada | Rowing | 1952 Summer | |
| George Young | Great Britain | Athletics | 1908 Summer | |
| George Young | United States | 1960 Summer, 1964 Summer, 1968 Summer, 1972 Summer | |
| Grace Young | Australia | Field hockey | 2024 Summer | |
| Guard Young | United States | Artistic gymnastics | 2004 Summer | |
| Gus Young | Jamaica | Athletics | 1984 Summer | |
| Harry Young | Canada | Track cycling | 1908 Summer | |
| Heath Young | Australia | Judo | 2004 Summer | |
| Isiah Young | United States | Athletics | 2012 Summer | |
| Jackie Young | 3x3 basketball, Basketball | 2020 Summer, 2024 Summer | |
| Jason Young | Athletics | 2012 Summer | |
| Jerome Young | 2000 Summer | |
| John Young | Bermuda | Swimming | 1936 Summer | |
| John Young | Canada | Field hockey | 1964 Summer | |
| Karimu Young | Nigeria | Boxing | 1960 Summer, 1964 Summer | |
| Katrina Young | United States | Diving | 2016 Summer, 2020 Summer | |
| Kevin Young | Athletics | 1988 Summer, 1992 Summer | |
| Khalen Young | Australia | Cycling BMX racing | 2012 Summer | |
| Young Kwok Wai | Hong Kong | Shooting | 1968 Summer | |
| Larry Young | United States | Athletics | 1968 Summer, 1972 Summer | |
| Lillian Young | 1948 Summer | |
| Lisa Young | Great Britain | Artistic gymnastics | 1984 Summer | |
| Luke Young | Australia | Canoe sprint | 2000 Summer | |
| Mahonri Young | United States | Art competitions | 1932 Summer | |
| Matthew Young | Australia | Volleyball | 2004 Summer | |
| Michael Young | Canada | Bobsleigh | 1968 Winter | |
| Michael Young | Australia | Judo | 1980 Summer, 1984 Summer | |
| Naomi Young | Artistic swimming | 2000 Summer | |
| Nico Young | United States | Athletics | 2024 Summer | |
| Robert Young | 1936 Summer | |
| Roby Young | Israel | Football | 1968 Summer | |
| Robyn Young | Eswatini | Swimming | 2020 Summer | |
| Roger Young | United States | Track cycling | 1972 Summer | |
| Sarah Young | Australia | Field hockey | 2008 Summer | |
| Scott Young | United States | Ice hockey | 1988 Winter, 1992 Winter, 2002 Winter | |
| Sheila Young | Speed skating | 1972 Winter, 1976 Winter | |
| Tim Young | Australia | Rowing | 1980 Summer | |
| Tim Young | United States | 1996 Summer | |
| Tim Young | Baseball | 2000 Summer | |
| Valerie Young | New Zealand | Athletics | 1956 Summer, 1960 Summer, 1964 Summer | |
| Wayne Young | United States | Artistic gymnastics | 1976 Summer | |
| Stuart Young-Black | Canada | Equestrian eventing | 1992 Summer, 1996 Summer | |
| Nic Youngblud | Water polo | 2008 Summer | |
| Aaron Younger | Australia | 2012 Summer, 2016 Summer, 2020 Summer | |
| Betsy Youngman | United States | Cross country skiing | 1988 Winter, 1992 Winter | |
| Elaine Youngs | Volleyball, Beach volleyball | 1996 Summer, 2004 Summer, 2008 Summer | |
| Muhammad Younis | Pakistan | Athletics | 1972 Summer, 1976 Summer | |
| Shehab Younis | Egypt | Swimming | 2012 Summer | |
| Cherif Younousse | Qatar | Beach volleyball | 2016 Summer, 2020 Summer, 2024 Summer | |
| William Yount | United States | Athletics | 1920 Summer | |
| Serge Youriévitch | Russia | Art competitions | 1924 Summer | |
| Irfan Yousaf | Pakistan | Field hockey | 2000 Summer | |
| Muhammad Yousaf | Boxing | 1984 Summer | |
| Omar Yousfi | Algeria | Weightlifting | 1980 Summer, 1988 Summer | |
| José Youshimatz | Mexico | Track cycling | 1984 Summer, 1988 Summer, 1992 Summer | |
| Rabah Yousif | Sudan | Athletics | 2012 Summer | |
| Thamer Yousif | Iraq | Football | 1980 Summer | |
| Adnan Yousoof | Pakistan | Sailing | 1984 Summer | |
| Hassan Yousry | Egypt | Handball | 2004 Summer, 2008 Summer | |
| Abdou Ibrahim Youssef | Qatar | Athletics | 2000 Summer | |
| Alisar Youssef | Syria | 2024 Summer | |
| Amin Ahmed Adel Youssef | Egypt | Swimming | 1972 Summer | |
| Aouf Abdul Rahman Youssef | Iraq | Athletics | 1988 Summer | |
| Dawood Youssef | Bahrain | Swimming | 2000 Summer | |
| El-Munsif Ben Youssef [ Wikidata ] | Libya | Road cycling | 1980 Summer | |
| Ibrahim Youssef | Egypt | Football | 1984 Summer | |
| Ismail Mohamed Youssef | Qatar | Athletics | 1988 Summer, 1992 Summer | |
| Maged Youssef | Egypt | Archery | 2004 Summer, 2008 Summer | |
| Michel Youssef | Lebanon | Fencing | 1984 Summer, 1988 Summer, 1992 Summer | |
| Mohamed Youssef | Egypt | Swimming | 1984 Summer | |
| Mohamed Youssef | Weightlifting | 1984 Summer | |
| Mohamed Youssef | Football | 1992 Summer | |
| Mohamed Youssef | Djibouti | Sailing | 1996 Summer | |
| Muhammad Youssef | Pakistan | Athletics | 1964 Summer | |
| Ragai Farhat | Egypt | Artistic gymnastics | 1952 Summer | |
| Ramy Youssef | Handball | 2004 Summer | |
| Sahar Youssef | Artistic swimming | 1984 Summer | |
| Saleh Youssef | Volleyball | 2008 Summer | |
| Ali Tawfik Youssif | Rowing | 1952 Summer | |
| Laila Youssifou | Netherlands | 2020 Summer, 2024 Summer | |
| Mhadjou Youssouf | Comoros | Athletics | 2008 Summer | |
| Imran Yousuf | Pakistan | Field hockey | 2000 Summer | |
| Kamia Yousufi | Afghanistan | Athletics | 2016 Summer, 2020 Summer, 2024 Summer | |
| Mikhail Youzhny | Russia | Tennis | 2004 Summer, 2008 Summer, 2012 Summer | |
| Mahdi Yovari | Afghanistan | Shooting | 2020 Summer | |
| Yordan Yovchev | Bulgaria | Artistic gymnastics | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Yordanka Yovkova | 1952 Summer | |
| Celtus Dossou Yovo | Benin | Judo | 2016 Summer, 2020 Summer | |
| Kiril Yovovich | Bulgaria | Football | 1924 Summer | |
| Griffin Yow | United States | 2024 Summer | |
| Alejandro Yrizar | Mexico | Modern pentathlon | 1984 Summer, 1988 Summer, 1992 Summer | |
| Iivari Yrjölä | Finland | Athletics | 1924 Summer | |
| Paavo Yrjölä | 1924 Summer, 1928 Summer, 1932 Summer | |
| Mariana Ysrael | Guam | 1988 Summer | |
| Leif Yttergren | Sweden | Basketball | 1980 Summer | |
| Else Ragni Yttredal | Norway | Speed skating | 1992 Winter | |
| Yu Ai-wen | Chinese Taipei | Shooting | 2012 Summer, 2016 Summer, 2024 Summer | |
| Angela Yu | Australia | Badminton | 2024 Summer | |
| Yu Baiwei | China | Ice hockey | 2010 Winter, 2022 Winter | |
| Yu Byeong-heon | South Korea | Road cycling | 1988 Summer | |
| Yu Chang-jun | Diving | 2000 Summer | |
| Yu Chaohong | China | Athletics | 2004 Summer | |
| Yu Chenggang | Rowing | 2012 Summer, 2016 Summer | |
| Yu Chun-ok | South Korea | Athletics | 1988 Summer | |
| Yu Chunyan | China | Sailing | 2008 Summer | |
| Yu Dan | Shooting | 2012 Summer | |
| Yu Dawei | Volleyball | 2008 Summer | |
| Yu Dong-geun | South Korea | Handball | 2012 Summer | |
| Yu Dong-ju | Weightlifting | 2016 Summer, 2020 Summer, 2024 Summer | |
| Yu Fei | China | Rowing | 2004 Summer | |
| Yu Fengkai | Boxing | 2016 Summer | |
| Yu Fengtong | Speed skating | 2002 Winter, 2006 Winter, 2010 Winter | |
| Yu Feng-yun | Chinese Taipei | Table tennis | 2000 Summer | |
| Yu Geli | China | Handball | 1996 Summer, 2004 Summer | |
| Yu Guan-lin | Chinese Taipei | Archery | 2016 Summer | |
| Yu Guohui | China | Athletics | 1996 Summer, 2000 Summer | |
| Yu Haicheng | Shooting | 2020 Summer, 2024 Summer | |
| Yu Hexin | Swimming | 2016 Summer, 2020 Summer | |
| Yu Hongqi | Football | 1996 Summer | |
| Yu Hourun | Athletics | 1988 Summer | |
| Yu Hua | Rowing | 2000 Summer, 2008 Summer | |
| Yu Hui | Archery | 2000 Summer | |
| Yoo Hi-hyung | South Korea | Basketball | 1968 Summer | |
| Yu Hui-ju | Field hockey | 2000 Summer, 2004 Summer | |
| Yu Hui-jun | Judo | 1992 Summer | |
| Yu Huili | China | Softball | 2008 Summer | |
| Yu In-ho | South Korea | Weightlifting | 1956 Summer, 1960 Summer, 1964 Summer | |
| Yu Jae-gwon | Wrestling | 1976 Summer | |
| Yu Jae-seong | Athletics | 1988 Summer | |
| Jaspar Yu Woon Chai | Brunei | Badminton | 2016 Summer | |
| Yu Jeong-jae | South Korea | Equestrian jumping | 1992 Summer | |
| Yu Jing | China | Speed skating | 2010 Winter, 2018 Winter | |
| Yu Jingxiao | Basketball | 1936 Summer | |
| Yu Jingyao | Swimming | 2016 Summer, 2020 Summer | |
| Yu Jinhao | Badminton | 2000 Summer | |
| Yu Jong-man | South Korea | Boxing | 1972 Summer | |
| Yu Juemin | China | Volleyball | 1984 Summer | |
| Yu Jung-hye | South Korea | 1972 Summer, 1976 Summer | |
| Yu Kau Wai | Hong Kong | Road cycling | 1988 Summer | |
| Kevin Yu | Chinese Taipei | Golf | 2024 Summer | |
| Yu Kyung-hwa | South Korea | Volleyball | 1972 Summer, 1976 Summer | |
| Yu Lamei | China | Canoe sprint | 2008 Summer, 2012 Summer | |
| Yu Lijun | Water polo | 2008 Summer | |
| Yu Liping | Rugby sevens | 2020 Summer | |
| Yu Liyan | Swimming | 2020 Summer | |
| Yu Lizhi | Badminton | 1996 Summer | |
| Yu Mai-lee | Chinese Taipei | Artistic gymnastics | 1968 Summer | |
| Yu Mengyu | Singapore | Table tennis | 2016 Summer, 2020 Summer | |
| Yu Myeong-gun | South Korea | Field hockey | 1996 Summer | |
| Yu Myeong-ja | Artistic gymnastics | 1960 Summer | |
| Yu Peng Kean | Malaysia | Fencing | 2012 Summer | |
| Yu Qian | China | Field hockey | 2016 Summer | |
| Yu Rui | Swimming | 2004 Summer | |
| Yu Saichang | Basketball | 1948 Summer | |
| Yu Seung-jin | South Korea | Field hockey | 1988 Summer, 1996 Summer | |
| Yu Shentong | China | Table tennis | 1992 Summer | |
| Yu Shu-chen | Chinese Taipei | Judo | 1996 Summer | |
| Yu Shumei | China | Biathlon | 1998 Winter, 2002 Winter | |
| Yu So-jeong | South Korea | Handball | 2016 Summer | |
| Yu Song | China | Judo | 2016 Summer | |
| Yu Sun-bok | North Korea | Table tennis | 1992 Summer | |
| Yu Tae-gyeong | South Korea | Athletics | 1988 Summer | |
| Yu Wai Seung | Hong Kong | Judo | 1992 Summer | |
| Yu Wei | China | Athletics | 2016 Summer | |
| Yu Weili | Hong Kong | Weightlifting | 2012 Summer | |
| Yu Wenge | China | Athletics | 1992 Summer | |
| Yu Xiang | Water polo | 1988 Summer | |
| Yu Xiaoming | Rugby sevens | 2020 Summer | |
| Yu Xiaoyu | Figure skating | 2018 Winter | |
| Yu Xin | Athletics | 2000 Summer | |
| Yu Xinyuan | Tennis | 2008 Summer | |
| Yu Yali | Field hockey | 2000 Summer | |
| Yu Yang | Badminton | 2008 Summer, 2012 Summer, 2016 Summer | |
| Yu Yang | Field hockey | 2008 Summer | |
| Yu Yanhong | Softball | 2000 Summer, 2008 Summer | |
| Yu Yanli | Sailing | 2008 Summer | |
| Yu Yeong-mi | South Korea | Volleyball | 1988 Summer | |
| Yu Yifeng | China | Fencing | 1984 Summer | |
| Yu Yiting | Swimming | 2020 Summer, 2024 Summer | |
| Yu Yuet | Hong Kong | Diving | 2000 Summer | |
| Yu Zhicheng | China | Athletics | 1984 Summer, 1988 Summer | |
| Yu Zhuanghui | 1984 Summer | |
| Yu Zhuocheng | Diving | 1996 Summer | |
| Yuan Aijun | Weightlifting | 2004 Summer | |
| Yuan Chao | Judo | 1996 Summer | |
| Yuan Hua | 2000 Summer | |
| Jia Nan Yuan | France | Table tennis | 2020 Summer, 2024 Summer | |
| Yuan Jing | China | Shooting | 2012 Summer | |
| Joshua Yuan | United States | Badminton | 2024 Summer | |
| Yuan Li | China | Fencing | 2000 Summer | |
| Yuan Liying | Track cycling | 2024 Summer | |
| Yuan Qiqi | Athletics | 2016 Summer | |
| Yuan Shu-chi | Chinese Taipei | Archery | 2004 Summer, 2008 Summer | |
| Yuan Wan | Germany | Table tennis | 2024 Summer | |
| Yuan Weiwei | China | Football | 2008 Summer | |
| Yuan Xinyue | Volleyball | 2016 Summer, 2020 Summer, 2024 Summer | |
| Yuan Ye | Short track speed skating | 1998 Winter | |
| Yuan Yechun | Golf | 2020 Summer, 2024 Summer | |
| Yuan Yuan | Swimming | 1996 Summer | |
| Yuan Yue | Tennis | 2024 Summer | |
| Yuan Yufang | Malaysia | Athletics | 2000 Summer, 2004 Summer, 2008 Summer | |
| Yuan Zhi | China | Volleyball | 2008 Summer | |
| Chu Yuanmeng [ Wikidata ] | Biathlon | 2022 Winter | |
| Ami Yuasa | Japan | Breaking | 2024 Summer | |
| Junji Yuasa | Diving | 1968 Summer, 1972 Summer | |
| Naoki Yuasa | Alpine skiing | 2006 Winter, 2014 Winter, 2018 Winter | |
| Amalia Yubi | Mexico | Athletics | 1952 Summer | |
| Pedro Yucciolino | Argentina | Rowing | 1972 Summer | |
| Osman Yüce | Turkey | Alpine skiing | 1948 Winter, 1956 Winter, 1964 Winter | |
| Tevfik Yüce | Wrestling | 1952 Summer | |
| Ji Yu-chan | South Korea | Swimming | 2024 Summer | |
| Hazuki Yuda | Japan | Field hockey | 2016 Summer | |
| Yuriy Yuda | Kazakhstan | Track cycling | 2004 Summer | |
| Yevhen Yudenkov | Ukraine | Artistic gymnastics | 2020 Summer | |
| Aleksandr Yudin | Soviet Union | Track cycling | 1972 Summer | |
| Andrey Yudin | Russia, Russian Olympic Committee | Trampolining | 2016 Summer, 2020 Summer | |
| Igor Yudin | Belarus | Alpine skiing | 1998 Winter | |
| Igor Yudin | Australia | Volleyball | 2012 Summer | |
| Lyubov Yudina | Russia | Swimming | 2000 Summer | |
| Yelena Yudina | Skeleton | 2010 Winter | |
| Eduardo Yudy Santos | Brazil | Judo | 2020 Summer | |
| Yue Chao | China | Athletics | 2016 Summer | |
| Yue Qingshuang | Curling | 2010 Winter, 2014 Winter | |
| Sun Yue | Basketball | 2008 Summer, 2012 Summer | |
| Sun Yue [ Wikidata ] | Athletics | 2024 Summer | |
| Yue Yuan | Beach volleyball | 2016 Summer | |
| Ni Yueming [ Wikidata ] | Alpine skiing | 2022 Winter | |
| Steve Yuen | Hong Kong | Archery | 1984 Summer | |
| Zach Yuen | China | Ice hockey | 2022 Winter | |
| Zhang Yuetong [ Wikidata ] | Sport climbing | 2024 Summer | |
| Sun Yuewen [ Wikidata ] | Canoe sprint | 2024 Summer | |
| German Yuferov | Soviet Union | Modern pentathlon | 1988 Summer | |
| Vera Yugova | Athletics | 1956 Summer | |
| Eizo Yuguchi | Japan | Football | 1968 Summer | |
| Guo Yuhao [ Wikidata ] | China | Nordic combined | 2022 Winter | |
| Tai Yu-Hsuan [ Wikidata ] | Chinese Taipei | Archery | 2024 Summer | |
| Ding Yuhuan [ Wikidata ] | China | Biathlon | 2022 Winter | |
| Kiyoo Yui | Japan | Athletics | 1964 Summer, 1968 Summer | |
| Natalia Yukhareva | Russia | Judo | 2004 Summer | |
| Shoji Yuki | Japan | Basketball | 1976 Summer | |
| Taniyuki Yuki | Cross country skiing | 1988 Winter | |
| Alanah Yukich | Australia | Athletics | 2024 Summer | |
| Ayami Yukimori | Japan | Artistic gymnastics | 1984 Summer | |
| Atakan Yüksel | Turkey | Wrestling | 2012 Summer | |
| Burcu Yüksel | Athletics | 2012 Summer | |
| Amorn Yuktanandana | Thailand | Shooting | 1960 Summer, 1964 Summer, 1968 Summer | |
| Igor Yulchiyev | Soviet Union, Unified Team | Field hockey | 1988 Summer, 1992 Summer | |
| Daniyar Yuldashev | Kazakhstan | Karate | 2020 Summer | |
| Dilshod Yuldashev | Uzbekistan | Boxing | 2000 Summer | |
| Ibrokhimkhalil Yuldoshev | Football | 2024 Summer | |
| Murodjon Yuldoshev | Judo | 2024 Summer | |
| Chen Yule [ Wikidata ] | China | Canoe sprint | 2024 Summer | |
| Chris Yule | Japan | Ice hockey | 1998 Winter | |
| Daniel Yule | Switzerland | Alpine skiing | 2014 Winter, 2018 Winter, 2022 Winter | |
| Thomas Yule | Great Britain | Weightlifting | 2000 Summer | |
| Maria Kristin Yulianti | Indonesia | Badminton | 2008 Summer | |
| Alvent Yulianto | 2004 Summer, 2008 Summer | |
| Dewi Yuliawati | Rowing | 2016 Summer | |
| Anatoliy Yulin | Soviet Union | Athletics | 1952 Summer, 1956 Summer | |
| Carlos Yulo | Philippines | Artistic gymnastics | 2020 Summer, 2024 Summer | |
| Naomie Yumba | Democratic Republic of the Congo | Boxing | 2020 Summer | |
| Vladimir Yumin | Soviet Union | Wrestling | 1976 Summer | |
| Takayuki Yumira | Japan | Equestrian eventing | 2012 Summer | |
| Kenichi Yumoto | Wrestling | 2008 Summer, 2012 Summer | |
| Shin'ichi Yumoto | 2012 Summer | |
| Yun Byeong-hui | South Korea | Rhythmic gymnastics | 1992 Summer | |
| Yun Chae-rin | Freestyle skiing | 2006 Winter | |
| Yun Chang-ho | North Korea | Shooting | 1976 Summer, 1980 Summer | |
| Yun Chol | Weightlifting | 1992 Summer | |
| Yun Chol | Short track speed skating | 1998 Winter | |
| Yun Cho-rong | South Korea | Modern pentathlon | 2008 Summer | |
| Yun Daek | Wrestling | 1964 Summer | |
| Yun Gi-su | Canoe sprint | 1988 Summer | |
| Yun Hui-chun | 1984 Summer | |
| Yun Hyon-hi | North Korea | Football | 2012 Summer | |
| Jean Yun | South Korea | Figure skating | 1976 Winter | |
| Yun Jeong-hye | Volleyball | 1984 Summer, 1988 Summer | |
| Yun Jeong-suk | 1964 Summer | |
| Yun Jeong-suk | Fencing | 1988 Summer | |
| Yun Ji-hye | Table tennis | 2004 Summer | |
| Yun Jong-im | Cross country skiing | 1968 Winter | |
| Yun Jong-suk | North Korea | Short track speed skating | 2006 Winter | |
| Yun Ju-il | South Korea | Swimming | 1988 Summer | |
| Yun Jun-sik | Wrestling | 2016 Summer | |
| Yun Mi-gyeong | Athletics | 1988 Summer | |
| Yun Mi-jin | Archery | 2000 Summer, 2004 Summer | |
| Yun Nam-han | Athletics | 1988 Summer | |
| Yun Nam-jin | Fencing | 1984 Summer, 1988 Summer | |
| Yun Ok-hee | Archery | 2008 Summer | |
| Yun Sang-sik | Judo | 1992 Summer | |
| Yun Seung-hyun | Athletics | 2016 Summer | |
| Yun Sook-woon | Weightlifting | 1968 Summer | |
| Yun Suk-young | Football | 2012 Summer | |
| Yun Sung-bin | Skeleton | 2014 Winter, 2018 Winter, 2022 Winter | |
| Yun Won-chol | North Korea | Wrestling | 2012 Summer, 2016 Summer | |
| Yun Yeong-dae | South Korea | Canoe sprint | 1988 Summer | |
| Yun Yong-chol | North Korea | Boxing | 1992 Summer | |
| Yun Yong-ho | South Korea | Rowing | 1988 Summer | |
| Yun Young-sook | Archery | 1988 Summer | |
| Vadim Yunash | Unified Team | Rowing | 1992 Summer | |
| Olena Yunchyk | Ukraine | Freestyle skiing | 1998 Winter | |
| Riad Yunes | Dominican Republic | Shooting | 1968 Summer, 1972 Summer | |
| Darryl Yung | Canada | Badminton | 1996 Summer | |
| Hau Tsuen Adrian Yung [ Wikidata ] | Hong Kong | Alpine skiing | 2022 Winter | |
| Yung Pi-hock | Chinese Taipei | Basketball | 1956 Summer | |
| Yung Yim King | Hong Kong | Fencing | 1988 Summer | |
| Jang Yun-Gyeong [ Wikidata ] | South Korea | Artistic swimming | 2000 Summer | |
| Kharis Yunichev | Soviet Union | Swimming | 1956 Summer | |
| Güneş Yunus | Turkey | Shooting | 1972 Summer, 1976 Summer, 1984 Summer | |
| Rashid Yunusmetov | Kazakhstan | 2008 Summer, 2016 Summer | |
| Irina Yunusmetova [ Wikidata ] | 2024 Summer | |
| Anvar Yunusov | Tajikistan | Boxing | 2008 Summer, 2012 Summer, 2016 Summer | |
| Shakhnoza Yunusova | Uzbekistan | 2020 Summer | |
| Long Yunzhou | China | Biathlon | 1984 Winter | |
| Akram Yurabayev | Uzbekistan | Canoe sprint | 1996 Summer | |
| Sniazhana Yurchanka | Belarus | Athletics | 2008 Summer | |
| Denys Yurchenko | Ukraine | 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Kateryna Yurchenko | Canoe sprint | 1996 Summer | |
| Mikhail Yurchenko | Kazakhstan | Boxing | 1996 Summer | |
| Vasyl Yurchenko | Soviet Union | Canoe sprint | 1972 Summer, 1976 Summer, 1980 Summer | |
| Marina Yurchenya | Swimming | 1976 Summer | |
| Vitaly Yurchik | Russia | Water polo | 2004 Summer | |
| Mehmet Yurdadön | Turkey | Athletics | 1984 Summer | |
| Adnan Yurdaer | Wrestling | 1936 Summer | |
| Aleh Yurenia | Belarus | Canoe sprint | 2012 Summer, 2020 Summer | |
| Danielli Yuri | Brazil | Judo | 2008 Summer | |
| Yuliia Yuriichuk | Ukraine | Canoe sprint | 2020 Summer | |
| Paolo Yurivilca | Peru | Athletics | 2016 Summer | |
| Olga Yurkina | Belarus | Artistic gymnastics | 1996 Summer | |
| Larisa Yurkiw | Canada | Alpine skiing | 2014 Winter | |
| Andrey Yurkov | Russia | Bobsleigh | 2010 Winter | |
| Oleksandr Yurkov | Ukraine | Athletics | 2000 Summer | |
| Yuriy Yurkov | Kazakhstan | Shooting | 2008 Summer, 2016 Summer, 2020 Summer | |
| Lidiya Yurkova | Belarus | Athletics | 1996 Summer | |
| Rachel Yurkovich | United States | 2012 Summer | |
| Tom Yurkovich | Ice hockey | 1964 Winter | |
| Snezhana Yurukova | Bulgaria | Athletics | 1968 Summer | |
| Anna Yuryayeva [ Wikidata ] | Russia | Artistic swimming | 1996 Summer | |
| Kohei Yusa | Japan | Equestrian dressage | 1928 Summer | |
| Masanori Yusa | Swimming | 1932 Summer, 1936 Summer | |
| Taybe Yusein | Bulgaria | Wrestling | 2016 Summer, 2020 Summer | |
| Ismail Yuseinov | 1972 Summer | |
| Yulyana Yushchanka | Belarus | Athletics | 2008 Summer | |
| Yekaterina Yusheva | Russia | Fencing | 2000 Summer, 2004 Summer | |
| Dmitri Yushkevich | Unified Team, Russia | Ice hockey | 1992 Winter, 1998 Winter | |
| Ivan Yushkov | Russia | Athletics | 2004 Summer, 2008 Summer | |
| Angelina Yushkova | Rhythmic gymnastics | 1996 Summer | |
| Denis Yuskov | Speed skating | 2014 Winter | |
| Eddy Yusof | Switzerland | Artistic gymnastics | 2016 Summer, 2020 Summer | |
| Zoya Yusova | Soviet Union | Volleyball | 1976 Summer | |
| Aliya Yussupova | Kazakhstan | Rhythmic gymnastics | 2004 Summer, 2008 Summer | |
| Daniel Yuste | Spain | Track cycling | 1968 Summer | |
| Oscar Yuston | Argentina | Shooting | 1976 Summer | |
| Ramila Yusubova | Azerbaijan | Judo | 2012 Summer | |
| Bilkisu Yusuf | Nigeria | 2000 Summer | |
| Fatima Yusuf | Athletics | 1996 Summer, 2000 Summer | |
| Mohamed Yusuf | Indonesia | 1988 Summer | |
| Sayed Yusuf | India | Field hockey | 1928 Summer | |
| Vivian Yusuf | Nigeria | Judo | 2008 Summer | |
| Amadu Yusufu | Malawi | Road cycling | 1984 Summer, 1988 Summer | |
| Abdul Ghafoor Yusufzai | Afghanistan | Football | 1948 Summer | |
| Ahmad Yusufzai [ Wikidata ] | Field hockey | 1948 Summer | |
| Alisher Yusupov | Uzbekistan | Judo | 2024 Summer | |
| Sherzodjon Yusupov | Weightlifting | 2008 Summer, 2012 Summer | |
| Zalimkhan Yusupov | Tajikistan | Wrestling | 2012 Summer | |
| Wang Yuting [ Wikidata ] | China | Fencing | 2024 Summer | |
| Li Yuxi [ Wikidata ] | Skeleton | 2022 Winter | |
| Xia Yuyu [ Wikidata ] | Athletics | 2024 Summer | |
| Katsuhiro Yuzaki | Japan | Field hockey | 1964 Summer, 1968 Summer | |
| Tsuneya Yuzaki | 1960 Summer, 1964 Summer, 1968 Summer | |
| Ryo Yuzawa | Table tennis | 1996 Summer, 2004 Summer | |
| Vladislav Yuzhakov | Russia | Luge | 2010 Winter, 2014 Winter | |
| Fatima Yvelain | France | Athletics | 2000 Summer | |
| Édouard Yves | Belgium | Fencing | 1928 Summer, 1948 Summer, 1952 Summer | |
| Monique Yvinou | France | Artistic gymnastics | 1948 Summer | |
| Dominique Yvon | Figure skating | 1992 Winter | |
| George Yvon | Great Britain | Diving | 1912 Summer | |
| Henri Yvon [ Wikidata ] | France | Fencing | 1900 Summer | |
| Jaime Yzaga | Peru | Tennis | 1992 Summer | |
| Steve Yzerman | Canada | Ice hockey | 1998 Winter, 2002 Winter | |