| Name | Nation | Sport | Games | Notes |
|---|
| Leonid Zhabotinsky | Soviet Union | Weightlifting | 1964 Summer, 1968 Summer | |
| Elmadi Zhabrailov | Unified Team, Kazakhstan | Wrestling | 1992 Summer, 1996 Summer | |
| Lukman Zhabrailov | Moldova | 1996 Summer | |
| Demeu Zhadrayev | Kazakhstan | 2020 Summer, 2024 Summer | |
| Zhai Chao | China | Handball | 1996 Summer, 2004 Summer | |
| Zhai Xiaochuan | Basketball | 2016 Summer | |
| Zhai Ying | Water polo | 2020 Summer | |
| Gani Zhailauov | Kazakhstan | Boxing | 2012 Summer | |
| Birzhan Zhakypov | 2008 Summer, 2012 Summer, 2016 Summer | |
| Musa Zhalayev [ Wikidata ] | Turkmenistan | Swimming | 2024 Summer | |
| Razambek Zhamalov | Uzbekistan | Wrestling | 2024 Summer | |
| Alisa Zhambalova | Russian Olympic Committee | Cross country skiing | 2018 Winter | |
| Alexei Zhamnov | Unified Team, Russia | Ice hockey | 1992 Winter, 1998 Winter, 2002 Winter | |
| Zhan Jian | Singapore | Table tennis | 2012 Summer | |
| Zhan Jiang | China | Swimming | 1988 Summer | |
| Zhan Shu | 2000 Summer, 2004 Summer | |
| Zhan Shuping | Basketball | 1992 Summer | |
| Zhan Xugang | Weightlifting | 1996 Summer, 2000 Summer, 2004 Summer | |
| Bohumír Zháňal | Czechoslovakia | Athletics | 1960 Summer | |
| Gulzhanat Zhanatbek | Kazakhstan | 2016 Summer | |
| Ciren Zhandui [ Wikidata ] | China | Cross country skiing | 2022 Winter | |
| Zhang Ning | 3x3 basketball | 2024 Summer | |
| Zhang Zhanshuo | Swimming | 2024 Summer | |
| Zhang Ai | Softball | 2004 Summer, 2008 Summer | |
| Zhang Anzhi | Art competitions | 1948 Summer | |
| Zhang Banglun | Football | 1948 Summer | |
| Beiwen Zhang | United States | Badminton | 2020 Summer, 2024 Summer | |
| Zhang Ben | China | Ice hockey | 2010 Winter | |
| Zhang Bin | Basketball | 1984 Summer, 1988 Summer | |
| Zhang Bin | Modern pentathlon | 1988 Summer, 1992 Summer | |
| Zhang Bin | Equestrian jumping | 2008 Summer | |
| Zhang Binbin | Shooting | 2016 Summer | |
| Zhang Bing | 1988 Summer, 1992 Summer, 1996 Summer | |
| Zhang Boheng | Artistic gymnastics | 2024 Summer | |
| Zhang Bowen | Shooting | 2020 Summer, 2024 Summer | |
| Zhang Caihua | Athletics | 1988 Summer | |
| Zhang Changhong | Shooting | 2020 Summer | |
| Zhang Changning | Volleyball | 2016 Summer, 2020 Summer, 2024 Summer | |
| Zhang Chenglong | Artistic gymnastics | 2012 Summer, 2016 Summer | |
| Zhang Chengye | Biathlon, Cross country skiing | 2006 Winter, 2010 Winter | |
| Zhang Chongyao | Wrestling | 2012 Summer | |
| Zhang Chujun | Sailing | 2000 Summer | |
| Zhang Chunfang | Softball | 1996 Summer, 2000 Summer | |
| Zhang Chutong | Short track speed skating | 2022 Winter | |
| Zhang Cong | Water polo | 2016 Summer | |
| Zhang Dan | Figure skating | 2002 Winter, 2006 Winter, 2010 Winter | |
| Zhang Danyi | Water polo | 2020 Summer | |
| Zhang Dechang | Rowing | 2008 Summer, 2020 Summer | |
| Zhang Dequn | Wrestling | 1984 Summer | |
| Zhang Deshun | Athletics | 2020 Summer, 2024 Summer | |
| Zhang Di | Judo | 1992 Summer | |
| Zhang Dong | Canoe sprint | 2020 Summer, 2024 Summer | |
| Zhang Donglian | Shooting | 2020 Summer | |
| Zhang Dongshuang | Sailing | 2020 Summer | |
| Zhang Enjian | Swimming | 2008 Summer, 2012 Summer | |
| Zhang Fan | Basketball | 2004 Summer, 2012 Summer | |
| Zhang Fangbing | Rowing | 2012 Summer | |
| Felicia Zhang | United States | Figure skating | 2014 Winter | |
| Zhang Fenglin | China | Swimming | 2012 Summer | |
| Zhang Fengliu | Wrestling | 2016 Summer | |
| Zhang Fusheng | Shooting | 2016 Summer | |
| Zhang Fuxin | Athletics | 1984 Summer | |
| Zhang Geng | Handball | 2008 Summer | |
| Zhang Guangjun | Judo | 1996 Summer, 2000 Summer | |
| Zhang Guangping | Boxing | 1992 Summer | |
| Zhang Guirong | Singapore | Athletics | 2004 Summer, 2008 Summer | |
| Zhang Guojun | China | Judo | 1984 Summer, 1988 Summer | |
| Zhang Guolin | Rowing | 2008 Summer, 2012 Summer | |
| Zhang Guowei | Athletics | 1988 Summer | |
| Zhang Guowei | 2012 Summer, 2016 Summer | |
| Zhang Guozheng | Weightlifting | 2000 Summer, 2004 Summer | |
| Zhang Hanlan | Basketball | 2008 Summer | |
| Zhang Hao | Figure skating | 2002 Winter, 2006 Winter, 2010 Winter, 2014 Winter, 2018 Winter | |
| Zhang Hao | Athletics | 2004 Summer | |
| Zhang Hong | Handball | 1988 Summer | |
| Zhang Hong | Speed skating | 2014 Winter, 2018 Winter | |
| Zhang Hongbo | Short track speed skating | 1994 Winter | |
| Zhang Hongbo | Baseball | 2008 Summer | |
| Zhang Hongpeng | Canoe sprint | 2012 Summer | |
| Zhang Hui | Basketball | 1984 Summer | |
| Zhang Hui | Short track speed skating | 2010 Winter | |
| Zhang Huikang | Football | 1988 Summer | |
| Zhang Huiqiang | Athletics | 1996 Summer | |
| Zhang Ji | Handball | 2008 Summer | |
| Zhang Jian | Fencing | 1984 Summer | |
| Zhang Jian | Athletics | 1996 Summer | |
| Zhang Jian | Shooting | 2012 Summer | |
| Zhang Jiaqi | Diving | 2020 Summer | |
| Zhang Jiawei | Boxing | 2016 Summer | |
| Zhang Jie | Weightlifting | 2012 Summer | |
| Zhang Jiewen | Badminton | 2004 Summer, 2008 Summer | |
| Zhang Jike | Table tennis | 2012 Summer, 2016 Summer | |
| Zhang Jin | Artistic gymnastics | 2020 Summer | |
| Zhang Jing | Ice hockey | 1998 Winter, 2002 Winter | |
| Zhang Jing | Water polo | 2016 Summer, 2020 Summer, 2024 Summer | |
| Zhang Jingjing | Shooting | 2016 Summer | |
| Zhang Jingkun | Beach volleyball | 2000 Summer | |
| Zhang Jingsong | Basketball | 2000 Summer, 2004 Summer | |
| Zhang Jinjing | Artistic gymnastics | 1996 Summer | |
| Zhang Jinrong | Field hockey | 2016 Summer, 2020 Summer | |
| Zhang Juanjuan | Archery | 2004 Summer, 2008 Summer | |
| Zhang Jun | Badminton | 2000 Summer, 2004 Summer | |
| Zhang Jun | Athletics | 2012 Summer | |
| Zhang Jun | 2020 Summer, 2024 Summer | |
| Zhang Junying | Road cycling | 2004 Summer | |
| Zhang Kexin | Figure skating | 2014 Winter | |
| Zhang Kexin | Freestyle skiing | 2018 Winter, 2022 Winter | |
| Zhang Lan | Ice hockey | 1998 Winter | |
| Zhang Lei | Fencing | 2000 Summer, 2008 Summer | |
| Zhang Lei | Track cycling | 2008 Summer, 2012 Summer | |
| Zhang Lei | Water polo | 2012 Summer | |
| Zhang Lei | Volleyball | 2012 Summer | |
| Zhang Li | Speed skating | 1980 Winter | |
| Zhang Li | Handball | 1996 Summer, 2004 Summer | |
| Zhang Li | Fencing | 2004 Summer | |
| Zhang Li | Athletics | 2008 Summer, 2012 Summer | |
| Zhang Li | Baseball | 2008 Summer | |
| Zhang Lianbiao | Athletics | 1992 Summer, 1996 Summer | |
| Zhang Liang | Road cycling | 2008 Summer | |
| Zhang Liang | Rowing | 2012 Summer, 2020 Summer | |
| Zhang Liangliang | Fencing | 2012 Summer | |
| Zhang Lifang | Softball | 2008 Summer | |
| Zhang Lijun | Curling | 2022 Winter | |
| Lily Zhang | United States | Table tennis | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Zhang Limei | China | Handball | 1996 Summer | |
| Zhang Liming | Rowing | 1984 Summer | |
| Zhang Lin | Swimming | 2004 Summer, 2008 Summer | |
| Zhang Lin | Rowing | 2008 Summer | |
| Zhang Ling | Rhythmic gymnastics | 2016 Summer | |
| Zhang Ling | Rowing | 2016 Summer, 2020 Summer, 2024 Summer | |
| Zhang Lixia | Softball | 2004 Summer | |
| Zhang Mengxue | Shooting | 2016 Summer | |
| Zhang Mengying | Ice hockey | 2022 Winter | |
| Zhang Miao | Track cycling | 2012 Summer | |
| Zhang Min | Figure skating | 1994 Winter, 2002 Winter, 2006 Winter | |
| Zhang Min | Rowing | 2016 Summer, 2020 Summer | |
| Zhang Mingyu | Modern pentathlon | 2020 Summer, 2024 Summer | |
| Mo Zhang | Canada | Table tennis | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Zhang Na | China | Volleyball | 2004 Summer, 2008 Summer | |
| Zhang Na | Football | 2008 Summer | |
| Zhang Nan | Artistic gymnastics | 2004 Summer | |
| Zhang Nan | Badminton | 2012 Summer, 2016 Summer | |
| Nicholas Zhang | Canada | Fencing | 2024 Summer | |
| Zhang Ning | China | Badminton | 2004 Summer, 2008 Summer | |
| Zhang Ouying | Football | 2000 Summer, 2004 Summer | |
| Zhang Peijun | Handball | 1984 Summer | |
| Zhang Peimeng | Athletics | 2008 Summer, 2012 Summer, 2016 Summer | |
| Zhang Peng | Sailing | 2008 Summer | |
| Zhang Peng | Cycling mountain bike | 2020 Summer | |
| Zhang Penghui | Shooting | 2004 Summer, 2008 Summer | |
| Zhang Ping | Volleyball | 2004 Summer | |
| Zhang Qibin | Swimming | 2016 Summer | |
| Zhang Qin | Canoe sprint | 1996 Summer | |
| Zhang Qing | Speed skating | 1988 Winter, 1992 Winter | |
| Zhang Qing | Biathlon, Cross country skiing | 2002 Winter, 2006 Winter | |
| Zhang Qingpeng | Basketball | 2008 Summer | |
| Zhang Qiongyue | Shooting | 2024 Summer | |
| Zhang Qiuping | 1988 Summer, 1992 Summer, 1996 Summer | |
| Zhang Quan | Rowing | 2020 Summer | |
| Zhang Rongfang | Volleyball | 1984 Summer | |
| Zhang Ronghui | Shooting | 1992 Summer | |
| Rose Zhang | United States | Golf | 2024 Summer | |
| Zhang Ru | China | Basketball | 2020 Summer, 2024 Summer | |
| Zhang Rui | Football | 2016 Summer | |
| Zhang Shan | Shooting | 1992 Summer, 2000 Summer | |
| Zhang Shoulie | Weightlifting | 1988 Summer | |
| Zhang Shuai | Tennis | 2012 Summer, 2016 Summer, 2024 Summer | |
| Zhang Shuang | Speed skating | 2006 Winter, 2010 Winter, 2014 Winter | |
| Zhang Shuang | Ice hockey | 2010 Winter | |
| Zhang Shubin | Figure skating | 1988 Winter, 1992 Winter | |
| Zhang Shujing | Athletics | 2004 Summer, 2008 Summer | |
| Zhang Shunfang | Sailing | 1992 Summer | |
| Zhang Shunyin | Rowing | 2008 Summer | |
| Zhang Shuo | Rhythmic gymnastics | 2004 Summer, 2008 Summer | |
| Stephanie Zhang | Australia | Figure skating | 2002 Winter | |
| Zhang Tian | China | Shooting | 2012 Summer | |
| Zhang Tianyi | Swimming | 2004 Summer | |
| Zhang Wei | Basketball | 2008 Summer | |
| Zhang Weigang | Shooting | 1988 Summer | |
| Zhang Weihong | Handball | 1984 Summer, 1988 Summer | |
| Zhang Weina | Figure skating | 2002 Winter | |
| Zhang Weiwei | Water polo | 2016 Summer | |
| Zhang Wenxiu | Athletics | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Wilson Zhang | Canada | Table tennis | 2008 Summer | |
| Zhang Xi | China | Beach volleyball | 2008 Summer, 2012 Summer | |
| Zhang Xia | Artistic gymnastics | 1992 Summer | |
| Zhang Xian | Volleyball | 2012 Summer | |
| Zhang Xianghua | Rowing | 1988 Summer | |
| Zhang Xiangsen | Weightlifting | 1996 Summer | |
| Zhang Xiangxiang | 2000 Summer, 2008 Summer | |
| Zhang Xiaodong | Sailing | 1992 Summer | |
| Zhang Xiaohuan | Artistic swimming | 2000 Summer, 2004 Summer, 2008 Summer | |
| Zhang Xiaolei | Speed skating | 2002 Winter, 2006 Winter | |
| Zhang Xiaonan | Modern pentathlon | 2016 Summer, 2020 Summer | |
| Zhang Xiaoni | Basketball | 2008 Summer | |
| Zhang Xiaoping | Boxing | 2008 Summer | |
| Zhang Xiaoqiong | Athletics | 1988 Summer | |
| Zhang Xiaowen | Football | 1988 Summer | |
| Zhang Xiaoxue | Field hockey | 2016 Summer, 2020 Summer | |
| Zhang Xiaoyi | Athletics | 2012 Summer | |
| Zhang Xiaoyu | 2004 Summer | |
| Zhang Xin | Freestyle skiing | 2014 Winter, 2018 Winter | |
| Zhang Xin | Football | 2020 Summer | |
| Zhang Xin | Skateboarding | 2020 Summer | |
| Zhang Xindong | Shooting | 1992 Summer, 1996 Summer | |
| Zhang Xing | Handball | 2008 Summer | |
| Zhang Xingjia | Equestrian jumping | 2020 Summer | |
| Zhang Xinqiu | Shooting | 2024 Summer | |
| Zhang Xinyan | Athletics | 2016 Summer | |
| Zhang Xinyu | Swimming | 2016 Summer | |
| Zhang Xinyue | Rowing | 2016 Summer | |
| Zhang Xiuyun | 1996 Summer, 2008 Summer, 2012 Summer | |
| Zhang Xuelei | Basketball | 1988 Summer | |
| Zhang Xueling | Singapore | Table tennis | 2004 Summer | |
| Zhang Yafei | China | Shooting | 2000 Summer | |
| Zhang Yage | Rowing | 2012 Summer | |
| Zhang Yali | 1988 Summer | |
| Zhang Yan | Biathlon | 2014 Winter, 2018 Winter | |
| Zhang Yangming | Alpine skiing | 2018 Winter, 2022 Winter | |
| Zhang Yangyang | Rowing | 2008 Summer, 2012 Summer | |
| Zhang Yanmei | Short track speed skating | 1992 Winter, 1994 Winter | |
| Zhang Yanqing | Softball | 2000 Summer | |
| Zhang Yanquan | Diving | 2012 Summer | |
| Zhang Yanru | Football | 2008 Summer | |
| Zhang Yawen | Badminton | 2008 Summer | |
| Zhang Yayi | Artistic swimming | 2024 Summer | |
| Zhang Yi | Triathlon | 2008 Summer, 2012 Summer | |
| Zhang Yifan | Swimming | 2020 Summer | |
| Zhang Yihan | Artistic gymnastics | 2024 Summer | |
| Zhang Yimeng | Field hockey | 2004 Summer, 2008 Summer, 2012 Summer | |
| Zhang Ying | Artistic swimming | 1988 Summer | |
| Zhang Ying | Fencing | 2004 Summer | |
| Zhang Ying | Football | 2004 Summer, 2008 Summer | |
| Zhang Ying | Field hockey | 2020 Summer, 2024 Summer | |
| Zhang Yingying | Athletics | 2008 Summer | |
| Zhang Yingzhou | Shooting | 1988 Summer, 1992 Summer | |
| Zhang Yining | Table tennis | 2004 Summer, 2008 Summer | |
| Zhang Yiwei | Snowboarding | 2014 Winter, 2018 Winter | |
| Zhang Yongjie | Shooting | 1992 Summer, 1996 Summer, 2000 Summer | |
| Zhang Yongjun | Basketball | 1988 Summer, 1992 Summer | |
| Zhang Yongqiang | Rowing | 2008 Summer | |
| Zhang You | Equestrian jumping | 2020 Summer | |
| Zhang Yousheng | Volleyball | 1984 Summer | |
| Zhang Yu | Athletics | 1992 Summer | |
| Zhang Yu | Basketball | 2008 Summer | |
| Zhang Yu | Shooting | 2020 Summer | |
| Zhang Yuehong | Volleyball | 2004 Summer | |
| Zhang Yueqin | Basketball | 1984 Summer | |
| Zhang Yufei | Swimming | 2016 Summer, 2020 Summer, 2024 Summer | |
| Zhang Yufeng | Baseball | 2008 Summer | |
| Zhang Yuhan | Swimming | 2016 Summer | |
| Yunjia Zhang | Canada | Fencing | 2024 Summer | |
| Zhang Yunsong | China | Basketball | 2004 Summer | |
| Zhang Yuting | Short track speed skating | 2022 Winter | |
| Zhang Yuxin | Alpine skiing | 2014 Winter | |
| Zhang Zairong | Weightlifting | 1992 Summer | |
| Zhang Zhaoxu | Basketball | 2012 Summer | |
| Zhang Zhehui | Judo | 2016 Summer | |
| Zhang Zheng | Archery | 1984 Summer | |
| Zhang Zhicheng | Fencing | 1988 Summer | |
| Zhilei Zhang | Boxing | 2008 Summer, 2012 Summer | |
| Zhang Zhiting | 3x3 basketball | 2020 Summer, 2024 Summer | |
| Zhang Zhiwu | Canoe sprint | 2008 Summer | |
| Zhang Zhizhen | Tennis | 2024 Summer | |
| Zhang Zhongqi | Speed skating | 2006 Winter, 2010 Winter | |
| Zhang Ziyang | Swimming | 2020 Summer | |
| Ziyu Zhang | Australia | Table tennis | 2016 Summer | |
| Dauletkeldi Zhangbyrbay [ Wikidata ] | Kazakhstan | Archery | 2024 Summer | |
| Moldir Zhangbyrbay | Karate | 2020 Summer | |
| Olga Zhanibekova | Wrestling | 2008 Summer | |
| Zhanar Zhanzunova | Judo | 2008 Summer | |
| Zhao Jiaren | China | 3x3 basketball | 2024 Summer | |
| Zhao Baofang | Track cycling | 2016 Summer | |
| Zhao Bilong | Water polo | 1984 Summer, 1988 Summer | |
| Zhao Chengliang | Athletics | 2008 Summer | |
| Zhao Chunsheng | Fencing | 2000 Summer | |
| Zhao Dan | Skeleton | 2022 Winter | |
| Zhao Duo | Volleyball | 1984 Summer | |
| Zhao Gang | Fencing | 1996 Summer, 2000 Summer, 2004 Summer | |
| Zhao Guisheng | Shooting | 1996 Summer | |
| Zhao Guona | Figure skating | 1994 Winter | |
| Zhao Haijuan | Road cycling | 1996 Summer | |
| Zhao Hailin | Wrestling | 2000 Summer | |
| Zhao Hongbo | Figure skating | 1998 Winter, 2002 Winter, 2006 Winter, 2010 Winter | |
| Zhao Jianguo | Athletics | 2012 Summer | |
| Zhao Jianhua | Badminton | 1992 Summer | |
| Zhao Jianqiang | Wrestling | 1988 Summer | |
| Zhao Jin | Swimming | 2012 Summer | |
| Zhao Jing | 2008 Summer, 2012 Summer | |
| Zhao Jingbin | Rowing | 2016 Summer | |
| Zhao Jingnan | Rhythmic gymnastics | 2016 Summer | |
| Zhao Jiwei | Basketball | 2016 Summer | |
| Zhao Jun | Cross country skiing | 1988 Winter | |
| Zhao Kun | Swimming | 1992 Summer | |
| Zhao Lifeng | 1996 Summer | |
| Zhao Lihong | Football | 1996 Summer, 2000 Summer | |
| Zhao Lina | 2016 Summer | |
| Zhao Linquan | Rowing | 2008 Summer | |
| Zhao Minggang | Boxing | 2016 Summer | |
| Zhao Nannan | Short track speed skating | 2010 Winter | |
| Zhao Qinan | Ice hockey | 2022 Winter | |
| Zhao Rong | Football | 2016 Summer | |
| Zhao Ruirui | Volleyball | 2004 Summer, 2008 Summer | |
| Zhao Shasha | Wrestling | 2012 Summer | |
| Zhao Shengbo | Shooting | 2016 Summer | |
| Zhao Shijian | Speed skating | 1984 Winter | |
| Zhao Shuai | Taekwondo | 2016 Summer, 2020 Summer | |
| Zhao Shuang | Basketball | 2012 Summer | |
| Zhao Shunxin | Judo | 2000 Summer | |
| Zhao Tao | Swimming | 2004 Summer | |
| Zhao Tingting | Badminton | 2004 Summer | |
| Zhao Wei | Athletics | 2000 Summer | |
| Zhao Weichang | Speed skating | 1980 Winter | |
| Zhao Xiaolei | Figure skating | 1984 Winter, 1988 Winter | |
| Zhao Xiaoli | Canoe sprint | 1992 Summer | |
| Zhao Xin | Speed skating | 2014 Winter | |
| Zhao Xuri | Football | 2008 Summer | |
| Zhao Yanni | Athletics | 2008 Summer | |
| Zhao Yi | Swimming | 1996 Summer | |
| Zhao Ying | Handball | 1996 Summer | |
| Zhao Yinghui | Shooting | 2000 Summer, 2004 Summer, 2008 Summer | |
| Zhao Yingying | Athletics | 2004 Summer | |
| Zhao Yongsheng | 1996 Summer | |
| Zhao Youfeng | 1988 Summer | |
| Zhao Yudiao | Field hockey | 2008 Summer, 2012 Summer, 2016 Summer | |
| Zhao Yunlei | Badminton | 2012 Summer, 2016 Summer | |
| Zhao Zhifang | Basketball | 2016 Summer | |
| Zhao Zhiwen | Equestrian jumping | 2008 Summer | |
| Zhao Zhizhong | Fencing | 1984 Summer | |
| Zhao Zhonghao | Shooting | 2020 Summer | |
| Zhao Zihan | Water polo | 2016 Summer | |
| Wang Zhaozhao [ Wikidata ] | Athletics | 2024 Summer | |
| Marat Zhaparov | Kazakhstan | Ski jumping | 2014 Winter | |
| Radik Zhaparov | 2006 Winter | |
| Ruslan Zhaparov | Taekwondo | 2016 Summer, 2020 Summer | |
| Zhazira Zhapparkul | Weightlifting | 2016 Summer | |
| Mahboubeh Barbari Zharfi | Refugee Olympic Team | Judo | 2024 Summer | |
| Tatyana Zharganova | Belarus | Artistic gymnastics | 1996 Summer, 2000 Summer | |
| Georgi Zharkov | Bulgaria | Ski jumping | 2002 Winter, 2006 Winter | |
| Tariel Zharkymbaev | Kyrgyzstan | Cross country skiing | 2018 Winter | |
| Alzhan Zharmukhamedov | Soviet Union | Basketball | 1972 Summer, 1976 Summer | |
| Yauheni Zharnasek | Belarus | Weightlifting | 2012 Summer | |
| Innokenty Zharov | Russia | Athletics | 1996 Summer | |
| Vladimir Zharov | Soviet Union | Rowing | 1976 Summer | |
| Vladislav Zharovtsev [ Wikidata ] | Russian Olympic Committee | Bobsleigh | 2022 Winter | |
| Lum Zhaveli | Kosovo | Swimming | 2016 Summer | |
| Sergei Zhdanov [ Wikidata ] | Soviet Union | Sailing | 1980 Summer | |
| Vasily Zhdanov | Road cycling | 1988 Summer | |
| Viktor Zhdanovich | Fencing | 1956 Summer, 1960 Summer, 1964 Summer | |
| Natalya Zhedik | Russia | Basketball | 2012 Summer | |
| Anatoliy Zheglanov | Soviet Union | Ski jumping | 1968 Winter, 1972 Winter | |
| Andrey Zhekov | Bulgaria | Volleyball | 2008 Summer | |
| Doncho Zhekov | Wrestling | 1976 Summer | |
| Petar Zhekov | Football | 1968 Summer | |
| Racho Zhekov | Cross country skiing | 1936 Winter | |
| Sergey Zhelanov | Soviet Union | Athletics | 1980 Summer | |
| Atanas Zhelev | Bulgaria | Rowing | 1968 Summer | |
| Khristo Zhelev | 1976 Summer | |
| Mikhail Zhelev | Athletics | 1968 Summer, 1972 Summer | |
| Valentin Zhelev | Wrestling | 1992 Summer | |
| Yakov Zheleznyak | Soviet Union | Shooting | 1972 Summer | |
| Igor Zhelezovski | Soviet Union, Unified Team, Belarus | Speed skating | 1988 Winter, 1992 Winter, 1994 Winter | |
| Mikhail Zhelobovskiy | Soviet Union | Athletics | 1968 Summer | |
| Oleksandr Zheltyakov | Ukraine | Swimming | 2024 Summer | |
| Plamen Zhelyazkov | Bulgaria | Weightlifting | 1996 Summer | |
| Zhen Wenhua | China | Athletics | 1992 Summer | |
| Zheng Bo | Badminton | 2004 Summer, 2008 Summer | |
| Zheng Chen | Athletics | 1988 Summer | |
| Zheng Chuanqi | Rowing | 2008 Summer | |
| Zheng Dazhen | Athletics | 1984 Summer | |
| Zheng Dongmei | Basketball | 1992 Summer, 1996 Summer | |
| Zheng Haixia | 1984 Summer, 1988 Summer, 1992 Summer, 1996 Summer | |
| Zheng Haohao | Skateboarding | 2024 Summer | |
| Zheng Jian | Swimming | 1984 Summer, 1988 Summer | |
| Zheng Jiaqi | United States | Table tennis | 2016 Summer | |
| Zheng Jie | China | Tennis | 2004 Summer, 2008 Summer, 2012 Summer | |
| Zheng Kaiping | Sailing | 1984 Summer | |
| Zheng Kunliang | Swimming | 2004 Summer | |
| Zheng Lihui | Artistic gymnastics | 2000 Summer | |
| Zheng Meizhu | Volleyball | 1984 Summer, 1988 Summer | |
| Zheng Na | Rowing | 2004 Summer | |
| Zheng Pengfei | Canoe sprint | 2020 Summer | |
| Zheng Qing | Water polo | 1988 Summer | |
| Zheng Qinwen | Tennis | 2024 Summer | |
| Zheng Saisai | 2016 Summer, 2020 Summer, 2024 Summer | |
| Zheng Shuyin | Taekwondo | 2016 Summer, 2020 Summer | |
| Zheng Siwei | Badminton | 2020 Summer, 2024 Summer | |
| Zheng Wu | Basketball | 1996 Summer, 2000 Summer | |
| Zheng Xianwei | Rowing | 1992 Summer | |
| Zheng Xingjuan | Athletics | 2008 Summer, 2012 Summer | |
| Zheng Xun | Figure skating | 2010 Winter, 2014 Winter | |
| Yan Zheng [ Wikidata ] | Sailing | 2024 Summer | |
| Yin Zheng | Skeleton | 2022 Winter | |
| Zheng Yixin | Volleyball | 2024 Summer | |
| Zheng Zhaokang | Fencing | 1988 Summer, 1992 Summer | |
| Zheng Zhi | Football | 2008 Summer | |
| Zhu Zhenyu [ Wikidata ] | Biathlon | 2022 Winter | |
| Oleg Zherebetskyy | Ukraine | Luge | 2006 Winter | |
| Oleg Zhestkov | Russia | Canoe sprint | 2012 Summer, 2016 Summer | |
| Aigerim Zhexembinova | Kazakhstan | Artistic swimming | 2012 Summer | |
| Jiang Zhichao | China | Athletics | 2024 Summer | |
| Svetlana Zhidko | Belarus | Swimming | 1996 Summer | |
| Aleksey Zhigalov | Soviet Union | Diving | 1952 Summer | |
| Lyubov Zhigalova | 1952 Summer, 1956 Summer | |
| Ruslan Zhiganshin | Russia | Figure skating | 2014 Winter | |
| Nelli Zhiganshina | Germany | 2014 Winter | |
| Vladimir Zhigily | Soviet Union | Basketball | 1976 Summer, 1980 Summer | |
| Aleksandr Zhigin | Kazakhstan | Speed skating | 2006 Winter, 2014 Winter | |
| Li Zhiguang [ Wikidata ] | China | Cross country skiing | 2006 Winter | |
| Yevgeny Zhigulin | Russia | Rowing | 2004 Summer | |
| Victoria Zhilinskayte | Handball | 2012 Summer, 2016 Summer | |
| Andrey Zhilkin | Russian Olympic Committee | Swimming | 2020 Summer | |
| Yevgeniy Zhilyayev | Kazakhstan | Water polo | 2000 Summer, 2004 Summer, 2012 Summer | |
| Alla Zhilyayeva | Russia | Athletics | 1996 Summer | |
| Aleksandr Zhirov | Soviet Union | Alpine skiing | 1980 Winter | |
| Marina Zhirova | Athletics | 1988 Summer | |
| Wu Zhitao [ Wikidata ] | China | Bobsleigh | 2022 Winter | |
| Vasily Zhitarev | Russia | Football | 1912 Summer | |
| Askhat Zhitkeyev | Kazakhstan | Judo | 2000 Summer, 2004 Summer, 2008 Summer | |
| Alexei Zhitnik | Unified Team, Russia | Ice hockey | 1992 Winter, 1998 Winter | |
| Nina Zhivanevskaya | Unified Team, Russia, Spain | Swimming | 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Denis Zhivchikov | Kazakhstan | Water polo | 2000 Summer | |
| Yuliya Zhivitsa | Fencing | 2012 Summer | |
| Viktor Zhluktov | Soviet Union | Ice hockey | 1976 Winter, 1980 Winter | |
| Yaroslav Zhmudenko | Ukraine | Table tennis | 2012 Summer, 2024 Summer | |
| Vladimir Zhmudsky | Soviet Union | Water polo | 1972 Summer | |
| Maria Żodzik | Poland | Athletics | 2024 Summer | |
| Ayana Zholdas | Kazakhstan | Freestyle skiing | 2018 Winter | |
| Eliora Zholkovsky | Israel | Rhythmic gymnastics | 2012 Summer | |
| Zhong Hongyan | China | Canoe sprint | 2004 Summer, 2008 Summer | |
| Zhong Huandi | Athletics | 1988 Summer, 1992 Summer | |
| Zhong Jiaqi | Field hockey | 2020 Summer, 2024 Summer | |
| Zhong Li | Rhythmic gymnastics | 1996 Summer | |
| Zhong Ling | 2004 Summer | |
| Zhong Man | Fencing | 2008 Summer, 2012 Summer | |
| Zhong Mengying | Triathlon | 2020 Summer | |
| Zhong Minwei | Athletics | 2008 Summer | |
| Zhong Tao | 2024 Summer | |
| Zhong Tianshi | Track cycling | 2016 Summer, 2020 Summer | |
| Zhong Weiping | Fencing | 2004 Summer, 2008 Summer | |
| Zhong Xuechun | Wrestling | 2016 Summer | |
| Levan Zhorzholiani | Georgia | Judo | 2008 Summer, 2012 Summer | |
| Zhou Can | China | Athletics | 2004 Summer | |
| Zhou Chao | Judo | 2016 Summer | |
| Zhou Chunxiu | Athletics | 2004 Summer, 2008 Summer | |
| Zhou Danhong | Shooting | 1988 Summer, 1992 Summer | |
| Zhou Feng | Wrestling | 2016 Summer, 2020 Summer, 2024 Summer | |
| Zhou Gaoping | Football | 2008 Summer | |
| Zhou Haibin | 2008 Summer | |
| Zhou Hanming | Fencing | 2004 Summer, 2008 Summer | |
| Zhou Hong | Volleyball | 1992 Summer | |
| Zhou Jiawei | Swimming | 2012 Summer | |
| Zhou Jihong | Diving | 1984 Summer | |
| Zhou Jun | Weightlifting | 2012 Summer | |
| Zhou Lijun | Taekwondo | 2020 Summer | |
| Zhou Lingmei | Track cycling | 1992 Summer | |
| Zhou Lulu | Weightlifting | 2012 Summer | |
| Zhou Lüxin | Diving | 2008 Summer | |
| Zhou Mi | Badminton | 2004 Summer | |
| Zhou Min | Swimming | 2016 Summer | |
| Zhou Peishun | Weightlifting | 1984 Summer | |
| Zhou Peng | Canoe sprint | 2008 Summer, 2012 Summer | |
| Zhou Peng | Basketball | 2012 Summer, 2016 Summer | |
| Zhou Ping | Artistic gymnastics | 1984 Summer | |
| Zhou Qi | Basketball | 2016 Summer | |
| Zhou Qian | Wrestling | 2020 Summer | |
| Zhou Qiurui | Artistic gymnastics | 1984 Summer | |
| Shirley Zhou | Australia | Table tennis | 1996 Summer, 2000 Summer | |
| Zhou Shouying | China | Rowing | 1988 Summer, 1992 Summer | |
| Stella Zhou | Australia | Table tennis | 1996 Summer, 2000 Summer | |
| Zhou Suhong | China | Volleyball | 2004 Summer, 2008 Summer | |
| Zhou Suying | Track cycling | 1988 Summer | |
| Zhou Tianhua | Athletics | 1992 Summer | |
| Vincent Zhou | United States | Figure skating | 2018 Winter, 2022 Winter | |
| Zhou Wanfeng | China | Field hockey | 2000 Summer, 2004 Summer, 2008 Summer | |
| Zhou Xiaojian | Handball | 2008 Summer | |
| Zhou Xiaojing | Rhythmic gymnastics | 1996 Summer, 2000 Summer | |
| Zhou Xin | United States | Table tennis | 2020 Summer | |
| Zhou Xiuhua | China | Rowing | 1988 Summer | |
| Zhou Yafei | Swimming | 2004 Summer, 2008 Summer | |
| Zhou Yafei | Sport climbing | 2024 Summer | |
| Zhou Yan | Softball | 2000 Summer | |
| Zhou Yan | Curling | 2010 Winter, 2014 Winter, 2018 Winter | |
| Zhou Yang | Athletics | 2008 Summer | |
| Zhou Yang | Short track speed skating | 2010 Winter, 2014 Winter, 2018 Winter | |
| Zhou Yaqin | Artistic gymnastics | 2024 Summer | |
| Zhou Yi | Softball | 2004 Summer, 2008 Summer | |
| Zhou Yihan | Singapore | Table tennis | 2016 Summer | |
| Zhou Yilin | China | Swimming | 2016 Summer | |
| Zhou Yinan | Rowing | 2008 Summer | |
| Zhou Yu | Canoe sprint | 2012 Summer, 2016 Summer, 2020 Summer | |
| Zhou Yu | Track cycling | 2024 Summer | |
| Zhou Yuanguo | Sailing | 2000 Summer, 2004 Summer | |
| Zhou Yuanxiang | Athletics | 1988 Summer | |
| Zhou Yubo | Canoe sprint | 2012 Summer | |
| Zhou Yuyu | Athletics | 1936 Summer | |
| Olha Zhovnir | Ukraine | Fencing | 2008 Summer | |
| Sasha Zhoya | France | Athletics | 2024 Summer | |
| Zhu Yuanbo | China | 3x3 basketball | 2024 Summer | |
| Zhu Bo | Football | 1988 Summer | |
| Zhu Changfu | Shooting | 1984 Summer | |
| Zhu Chengzhu | Hong Kong | Table tennis | 2024 Summer | |
| Zhu Dianfa | China | Cross country skiing | 1984 Winter | |
| Zhu Fang | Spain | Table tennis | 2008 Summer | |
| Zhu Fangyu | China | Basketball | 2004 Summer, 2008 Summer, 2012 Summer | |
| Zhu Guo | Taekwondo | 2008 Summer | |
| Zhu Hongjun | Athletics | 2004 Summer | |
| Zhu Hongyang | 1984 Summer | |
| Zhu Jianhua | 1984 Summer, 1988 Summer | |
| Zhu Jie | Handball | 2008 Summer | |
| Zhu Jinhong | Diving | 1992 Summer | |
| Zhu Juefeng | Handball | 1984 Summer | |
| Zhu Jun | Fencing | 2008 Summer, 2012 Summer | |
| Zhu Ling | Volleyball | 1984 Summer | |
| Zhu Menghui | Swimming | 2016 Summer, 2020 Summer | |
| Zhu Min | Fencing | 2012 Summer | |
| Zhu Mingye | 2020 Summer | |
| Zhu Minzhu | 1984 Summer | |
| Zhu Qianwei | Swimming | 2008 Summer, 2012 Summer | |
| Zhu Qinan | Shooting | 2004 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Zhu Qingyuan | Fencing | 1984 Summer, 1988 Summer | |
| Zhu Renxue | Athletics | 2016 Summer | |
| Zhu Ronghua | 2004 Summer | |
| Zhu Rui | Ice hockey | 2022 Winter | |
| Zhu Ting | Football | 2008 Summer | |
| Zhu Ting | Volleyball | 2016 Summer, 2020 Summer, 2024 Summer | |
| Zhu Weiwei | Rowing | 2012 Summer, 2016 Summer | |
| Zhu Wenxin | Handball | 2008 Summer | |
| Zhu Xiaolin | Athletics | 2008 Summer, 2012 Summer | |
| Zhu Xueying | Trampolining | 2020 Summer, 2024 Summer | |
| Zhu Yaming | Athletics | 2020 Summer, 2024 Summer | |
| Zhu Yanmei | 2008 Summer | |
| Zhu Yi | Swimming | 2000 Summer | |
| Zhu Yi | Figure skating | 2022 Winter | |
| Zhu Yingwen | Swimming | 2004 Summer, 2008 Summer | |
| Zhu Yongbiao | Cycling mountain bike | 2004 Summer | |
| Zhu Yongqiang | Football | 1948 Summer | |
| Zhu Yuanling | Skateboarding | 2024 Summer | |
| Zhu Yunying | Volleyball | 2000 Summer | |
| Zhu Yuqing | Athletics | 1992 Summer | |
| Zhu Zhengjun | Road cycling | 1992 Summer | |
| Zhu Zhifu | Rowing | 2004 Summer | |
| David Zhuang | United States | Table tennis | 1996 Summer, 2000 Summer, 2008 Summer | |
| Zhuang Xiaoyan | China | Judo | 1992 Summer | |
| Zhuang Yong | Swimming | 1988 Summer, 1992 Summer | |
| Abylaikhan Zhubanazar | Kazakhstan | Judo | 2024 Summer | |
| Valentyna Zhudina | Ukraine | Athletics | 2008 Summer, 2012 Summer | |
| Aleksey Zhuk | Soviet Union | Handball | 1980 Summer | |
| Iryna Zhuk | Belarus | Athletics | 2016 Summer, 2020 Summer | |
| Nina Zhuk | Soviet Union | Figure skating | 1960 Winter | |
| Stanislav Zhuk | 1960 Winter | |
| Tatyana Zhuk | 1964 Winter, 1968 Winter | |
| Vital Zhuk | Belarus | Athletics | 2020 Summer | |
| Vitaly Zhuk | Wrestling | 2000 Summer | |
| Mikalai Zhukavets | Sailing | 2008 Summer, 2012 Summer | |
| Aliaksandr Zhukouski | Canoe sprint | 2004 Summer, 2008 Summer, 2012 Summer | |
| Oleksiy Zhukov | Ukraine | Bobsleigh | 1994 Winter | |
| Sergey Zhukov | Russia | Ice hockey | 2006 Winter | |
| Yevgeny Zhukov | Soviet Union | Athletics | 1960 Summer | |
| Inna Zhukova | Belarus | Rhythmic gymnastics | 2004 Summer, 2008 Summer | |
| Marina Zhukova | Soviet Union | Rowing | 1988 Summer | |
| Natalya Zhukova | Russia | Cross country skiing | 2014 Winter | |
| Nataliya Zhukova | Kazakhstan | Volleyball | 2008 Summer | |
| Alexander Zhulin | Unified Team, Russia | Figure skating | 1992 Winter, 1994 Winter | |
| Valentina Zhulina | Soviet Union | Rowing | 1980 Summer | |
| Bulat Zhumadilov | Kazakhstan | Boxing | 1996 Summer, 2000 Summer | |
| Dauren Zhumagaziyev | Wrestling | 2012 Summer | |
| Nurbergen Zhumagaziyev | Short track speed skating | 2014 Winter, 2018 Winter | |
| Meerim Zhumanazarova | Kyrgyzstan | Wrestling | 2020 Summer, 2024 Summer | |
| Mansur Zhumayev | Uzbekistan | Judo | 2000 Summer | |
| Olena Zhupina | Ukraine | Diving | 1996 Summer, 2000 Summer, 2004 Summer | |
| Olena Zhupiyeva-Vyazova | Soviet Union, Unified Team | Athletics | 1988 Summer, 1992 Summer | |
| Inna Zhurakovska | Unified Team | Equestrian dressage | 1992 Summer | |
| Stanislau Zhurauliou | Belarus | Modern pentathlon | 2012 Summer | |
| Konstantin Zhuravlyov | Uzbekistan | Athletics | 2000 Summer | |
| Yuriy Zhuravskyi | Ukraine | Bobsleigh | 2002 Winter | |
| Aleksandr Zhurik | Belarus | Ice hockey | 1998 Winter, 2002 Winter | |
| Svetlana Zhurova | Russia | Speed skating | 1994 Winter, 1998 Winter, 2002 Winter, 2006 Winter | |
| Ablaikhan Zhussupov | Kazakhstan | Boxing | 2016 Summer, 2020 Summer | |
| Kakhaber Zhvania | Georgia | 2008 Summer | |
| Uladzimir Zhyharau | Belarus | Swimming | 2012 Summer | |
| Heorhiy Zhylin | Soviet Union | Rowing | 1952 Summer, 1956 Summer | |
| Olena Zhyrko | Unified Team, Ukraine | Basketball | 1992 Summer, 1996 Summer | |
| Qamar Zia | Pakistan | Field hockey | 1976 Summer | |
| Qasim Zia | 1984 Summer | |
| Fateh Ziadi | Algeria | Shooting | 2012 Summer | |
| Ernest Ziaja | Poland | Ice hockey | 1948 Winter | |
| Wally Ziaja | United States | Football | 1972 Summer | |
| Witold Ziaja | Poland | Field hockey | 1972 Summer | |
| Ramy Zialor | Seychelles | Boxing | 1980 Summer, 1984 Summer | |
| Rachid Ziar | Algeria | Athletics | 2004 Summer | |
| Darko Zibar | Yugoslavia | Rowing | 1980 Summer | |
| Alfredo Zibechi | Uruguay | Football | 1924 Summer | |
| Janez Zibler | Yugoslavia | Alpine skiing | 1980 Winter | |
| Mohamed Zidan | Egypt | Rowing | 2008 Summer | |
| Amina Zidani | France | Boxing | 2024 Summer | |
| Jože Zidar | Yugoslavia | Ski jumping | 1956 Winter | |
| Josip Zidarn | Canoe sprint | 1936 Summer | |
| Octavian Zidaru | Romania | Fencing | 1980 Summer | |
| Anna Carin Zidek | Sweden | Cross country skiing, Biathlon | 2002 Winter, 2006 Winter, 2010 Winter | |
| Jiří Zídek Sr. | Czechoslovakia | Basketball | 1972 Summer | |
| Radoslav Židek | Slovakia | Snowboarding | 2006 Winter | |
| Marek Židlický | Czech Republic | Ice hockey | 2006 Winter, 2010 Winter, 2014 Winter | |
| Barbara Zięba | Poland | Artistic gymnastics | 1968 Summer | |
| Ludwik Zięba | Biathlon | 1976 Winter | |
| Nadieżda Zięba | Badminton | 2008 Summer, 2012 Summer, 2016 Summer | |
| Māris Ziediņš | Latvia | Ice hockey | 2006 Winter | |
| Nikki Ziegelmeyer | United States | Short track speed skating | 1992 Winter, 1994 Winter | |
| Nina Ziegenhals | Germany | Ice hockey | 2002 Winter | |
| Jean-Pierre Ziegert | Switzerland | Sailing | 1996 Summer | |
| Edi Ziegler | Germany | Road cycling | 1952 Summer | |
| Günther Ziegler | Track cycling | 1956 Summer | |
| Heinrich Ziegler | Fencing | 1912 Summer | |
| Henry Ziegler | United States | Art competitions | 1936 Summer | |
| Herbert Ziegler | Austria | Equestrian eventing | 1936 Summer | |
| János Ziegler | Hungary | Ice hockey | 1964 Winter | |
| Jörg Ziegler | Switzerland | Equestrian eventing | 1952 Summer | |
| Kate Ziegler | United States | Swimming | 2008 Summer, 2012 Summer | |
| Miriam Ziegler | Austria | Figure skating | 2010 Winter, 2014 Winter, 2018 Winter, 2022 Winter | |
| Rolf Ziegler | West Germany | Athletics | 1972 Summer | |
| Rudolf Ziegler | Rowing | 1984 Summer | |
| Sten Ziegler | Denmark | Football | 1972 Summer | |
| Thomas Ziegler | Switzerland | Ice hockey | 2006 Winter | |
| Frank Zielecke | East Germany | Weightlifting | 1972 Summer | |
| Teresa Zielewicz | Austria | Handball | 1984 Summer | |
| Jaap Zielhuis | Netherlands | Sailing | 2004 Summer | |
| Weronika Zielińska-Stubińska | Poland | Weightlifting | 2024 Summer | |
| Adrian Zieliński | 2012 Summer | |
| Andrzej Zieliński | Athletics | 1964 Summer | |
| Damian Zieliński | Track cycling | 2004 Summer, 2012 Summer, 2016 Summer | |
| Edmund Zieliński | Ice hockey | 1936 Winter | |
| Marian Zieliński | Weightlifting | 1956 Summer, 1960 Summer, 1964 Summer, 1968 Summer | |
| Rajmund Zieliński | Road cycling, Track cycling | 1964 Summer, 1968 Summer | |
| Stanisław Zieliński | Road cycling | 1936 Summer | |
| Tadeusz Zieliński | Athletics | 1972 Summer | |
| Tomasz Zieliński | Weightlifting | 2012 Summer | |
| Władysław Zieliński | Canoe sprint | 1960 Summer, 1964 Summer, 1968 Summer | |
| Włodzimierz Zieliński | Handball | 1976 Summer | |
| Manfred Zielonka | West Germany | Boxing | 1984 Summer | |
| Franklin Zielski | Canada | Rowing | 1960 Summer | |
| Zach Ziemek | United States | Athletics | 2016 Summer, 2020 Summer, 2024 Summer | |
| Jan Ziemianin | Poland | Biathlon | 1992 Winter, 1994 Winter, 1998 Winter | |
| Wiesław Ziemianin | 1994 Winter, 1998 Winter, 2002 Winter, 2006 Winter | |
| Kacper Ziemiński | Sailing | 2008 Summer, 2012 Summer, 2016 Summer | |
| Edmund Zientara | Football | 1960 Summer | |
| Bożena Zientarska | Athletics | 1972 Summer | |
| Hans Zierold | Germany | Swimming | 1956 Summer, 1960 Summer | |
| Pablo Zierold | Mexico | 1932 Summer | |
| Joachim Ziesche | East Germany | Ice hockey | 1968 Winter | |
| Walenty Ziętara | Poland | 1972 Winter, 1976 Winter | |
| Mirosław Ziętarski | Rowing | 2016 Summer, 2020 Summer, 2024 Summer | |
| Helge Ziethen | East Germany | Diving | 1972 Summer | |
| Stanisław Ziffer | Poland | Athletics | 1924 Summer | |
| Farit Zigangirov | Soviet Union | Field hockey | 1980 Summer | |
| Natalia Ziganshina | Russia | Artistic gymnastics | 2004 Summer | |
| Hans Ziglarski | Germany | Boxing | 1928 Summer, 1932 Summer | |
| Sieglinda Zigler | Brazil | Swimming | 1936 Summer | |
| Franz Zigon | Austria | Water polo | 1952 Summer | |
| Zhao Zihe [ Wikidata ] | China | Nordic combined | 2022 Winter | |
| Branko Ziherl | Yugoslavia | Diving | 1936 Summer | |
| Bror van der Zijde | Netherlands | Bobsleigh | 2014 Winter | |
| Mark van der Zijden | Swimming | 1996 Summer, 2000 Summer | |
| Carla Zijlstra | Speed skating | 1992 Winter, 1994 Winter, 1998 Winter | |
| Robert Zika [ Wikidata ] | Switzerland | Canoe sprint | 1960 Summer | |
| Zdeněk Zika | Czechoslovakia | Rowing | 1972 Summer | |
| Bengt Zikarsky | Germany | Swimming | 1992 Summer, 1996 Summer | |
| Björn Zikarsky | West Germany, Germany | 1988 Summer, 1996 Summer | |
| Hans Zikeli | Romania | Handball | 1936 Summer | |
| Kseniya Zikunkova | Belarus | Biathlon | 2002 Winter, 2006 Winter | |
| Irina Zilber | Russia | Rhythmic gymnastics | 2000 Summer | |
| Ronald Zilberberg | Israel | Figure skating | 2018 Winter | |
| David Zilberman | Canada | Wrestling | 2008 Summer | |
| Misha Zilberman | Israel | Badminton | 2012 Summer, 2016 Summer, 2020 Summer, 2024 Summer | |
| Victor Zilberman | Romania | Boxing | 1968 Summer, 1972 Summer, 1976 Summer | |
| Kristaps Zīle | Latvia | Ice hockey | 2022 Winter | |
| Stane Žilič | Yugoslavia | Artistic gymnastics | 1924 Summer | |
| Nelė Žilinskienė | Lithuania | Athletics | 1992 Summer, 1996 Summer, 2000 Summer | |
| Cesare Zilioli | Italy | Canoe sprint | 1960 Summer, 1964 Summer, 1968 Summer | |
| Katja Ziliox | West Germany | Swimming | 1988 Summer | |
| Dainis Zīlītis | Latvia | Weightlifting | 1996 Summer | |
| Diana Žiliūtė | Lithuania | Road cycling | 1996 Summer, 2000 Summer | |
| Josef Zilker | Austria | 1912 Summer | |
| Christian Zillekens | Germany | Modern pentathlon | 2016 Summer | |
| Bruno Zilliacus | Finland | Athletics | 1908 Summer | |
| Karl Zillibiller | Germany | Alpine skiing | 1956 Winter | |
| Pascal Zilliox | France | Athletics | 1992 Summer | |
| Katarzyna Zillmann | Poland | Rowing | 2020 Summer | |
| Eileen Zillmer | West Germany | Figure skating | 1968 Winter | |
| Laima Zilporytė | Soviet Union, Lithuania | Road cycling | 1988 Summer, 1992 Summer | |
| Josef Ziltener | Switzerland | Shooting | 1968 Summer | |
| Alfred Zima | Austria | Boxing | 1952 Summer | |
| Denis Zimba | Zambia | 1996 Summer | |
| Stephen Zimba | 2020 Summer | |
| Raivis Zīmelis | Latvia | Biathlon | 2006 Winter | |
| Chen Zimeng [ Wikidata ] | China | Ice hockey | 2022 Winter | |
| Yevgeni Zimin | Soviet Union | 1968 Winter, 1972 Winter | |
| Anna Zimina | Athletics | 1968 Summer | |
| André Zimmer | Luxembourg | Canoe sprint | 1936 Summer | |
| Kurt Zimmer | Saar | 1952 Summer | |
| Madeleine Zimmer | United States | Field hockey | 2024 Summer | |
| Werner Zimmer | Saar | Wrestling | 1952 Summer | |
| Wolfgang Zimmerer | West Germany | Bobsleigh | 1968 Winter, 1972 Winter, 1976 Winter | |
| John Zimmerman | United States | Figure skating | 2002 Winter | |
| Robert Zimmerman | Canada | Diving, Swimming | 1908 Summer, 1912 Summer | |
| Suzanne Zimmerman | United States | Swimming | 1948 Summer | |
| Walker Zimmerman | Football | 2024 Summer | |
| Annemarie Zimmermann | Germany, West Germany | Canoe sprint | 1964 Summer, 1968 Summer | |
| Christian Zimmermann | Palestine | Equestrian dressage | 2016 Summer | |
| Edith Zimmermann | Austria | Alpine skiing | 1964 Winter | |
| Egon Norbert Zimmermann | 1960 Winter | |
| Egon Zimmermann | 1964 Winter, 1968 Winter | |
| Elfriede Zimmermann | Germany | Swimming | 1928 Summer | |
| Felicia Zimmermann | United States | Fencing | 1996 Summer, 2000 Summer | |
| Francisc Zimmermann | Romania | Football | 1924 Summer | |
| Fritz Zimmermann | Germany, West Germany | Fencing | 1960 Summer, 1968 Summer | |
| Gerd Zimmermann | Speed skating | 1964 Winter, 1968 Winter, 1972 Winter | |
| Helga Zimmermann | Germany | Swimming | 1964 Summer | |
| Iris Zimmermann | United States | Fencing | 2000 Summer | |
| Jens Zimmermann | Germany | Shooting | 1992 Summer, 1996 Summer | |
| Jürg Zimmermann | Switzerland | Ice hockey | 1964 Winter | |
| Kathrin Zimmermann | East Germany | Swimming | 1988 Summer | |
| Laura Zimmermann | Switzerland | Ice hockey | 2022 Winter | |
| Lisa Zimmermann | Germany | Freestyle skiing | 2014 Winter | |
| Markus Zimmermann | Bobsleigh | 1992 Winter, 1994 Winter, 1998 Winter, 2002 Winter | |
| Michael Zimmermann | West Germany | Modern pentathlon | 1988 Summer | |
| Michel Zimmermann | Belgium | Athletics | 1984 Summer | |
| Moacir Zimmermann | Brazil | 2016 Summer | |
| Nicole Zimmermann | Germany | Rowing | 2004 Summer, 2008 Summer | |
| Rainer Zimmermann | East Germany | Handball | 1972 Summer | |
| Robert Zimmermann | Switzerland | Bobsleigh | 1964 Winter, 1968 Winter | |
| Sonja Zimmermann | Germany | Field hockey | 2020 Summer, 2024 Summer | |
| Werner Zimmermann | Switzerland | Canoe sprint | 1936 Summer, 1948 Summer | |
| Kazimierz Zimny | Poland | Athletics | 1956 Summer, 1960 Summer | |
| Nenad Zimonjić | Serbia and Montenegro, Serbia | Tennis | 2000 Summer, 2008 Summer, 2012 Summer, 2016 Summer | |
| Predrag Zimonjić | Serbia and Montenegro | Water polo | 1996 Summer, 2000 Summer | |
| Róbert Zimonyi | Hungary, United States | Rowing | 1948 Summer, 1952 Summer, 1964 Summer | |
| Valerie Zimring | United States | Rhythmic gymnastics | 1984 Summer | |
| Zohar Zimro | Israel | Athletics | 2012 Summer | |
| Nikolay Zimyatov | Soviet Union | Cross country skiing | 1980 Winter, 1984 Winter | |
| Kyaw Zin | Myanmar | Swimming | 2008 Summer | |
| Dušan Zinaja | Yugoslavia | Cross country skiing | 1924 Winter | |
| Andrea Zinali | Italy | Sailing | 1996 Summer | |
| Luciano Zinali | 1972 Summer, 1976 Summer | |
| Volodymyr Zinchenko | Unified Team | Athletics | 1992 Summer | |
| Marion Zinderstein | United States | Tennis | 1924 Summer | |
| Petra Zindler | West Germany | Swimming | 1984 Summer | |
| Oleksandr Zinenko | Ukraine | Shooting | 2000 Summer | |
| Aidan Zingel | Australia | Volleyball | 2012 Summer | |
| Viktor Zinger | Soviet Union | Ice hockey | 1968 Winter | |
| Andreas Zingerle | Italy | Biathlon | 1984 Winter, 1988 Winter, 1992 Winter, 1994 Winter | |
| Monika Zingg | Switzerland | Figure skating | 1964 Winter | |
| Gabriela Zingre-Graf | Alpine skiing | 1994 Winter | |
| Daniela Zini | Italy | 1980 Winter, 1984 Winter | |
| Giorgio Zini | Freestyle skiing | 1992 Winter | |
| Katia Zini | Short track speed skating | 2002 Winter, 2006 Winter, 2010 Winter | |
| Mara Zini | 2002 Winter, 2006 Winter | |
| Peter Zini | Austria | Ice hockey | 1976 Winter | |
| Douglas Zinkala | Zambia | Athletics | 1968 Summer | |
| Mohamed Al-Zinkawi | Kuwait | 1976 Summer, 1980 Summer, 1988 Summer | |
| Gustav Zinke | Czechoslovakia | Rowing | 1920 Summer | |
| Olaf Zinke | Germany | Speed skating | 1992 Winter, 1994 Winter | |
| Anna Zinkeisen | Great Britain | Art competitions | 1948 Summer | |
| Doris Zinkeisen | 1948 Summer | |
| Elfi Zinn | East Germany | Athletics | 1976 Summer | |
| Ronald Zinn | United States | 1960 Summer, 1964 Summer | |
| Franz Zinner | Germany | Weightlifting | 1928 Summer | |
| Fred Zinner | Belgium | Athletics | 1924 Summer, 1928 Summer | |
| Jean Zinniker | Switzerland | Judo | 1980 Summer | |
| Irek Zinnurov | Russia | Water polo | 2000 Summer, 2004 Summer | |
| Francesca Zino | Great Britain | Rowing | 2000 Summer | |
| Sergei Zinovjev | Russia | Ice hockey | 2010 Winter | |
| Alexey Zinovyev | Swimming | 2008 Summer | |
| Lucien Zins | France | 1948 Summer, 1952 Summer | |
| Andrea Zinsli | Switzerland | Alpine skiing | 1994 Winter | |
| Reto Zinsli | Judo | 1972 Summer | |
| Robert Zintel [ Wikidata ] | Czechoslovakia | Bobsleigh | 1936 Winter | |
| Revazi Zintiridis | Greece | Judo | 2004 Summer | |
| Tariel Zintiridis | 2008 Summer | |
| Stefanos Zintzos | Fencing | 1948 Summer | |
| Franck Zio | Burkina Faso | Athletics | 1992 Summer, 1996 Summer | |
| Jan Ziobro | Poland | Ski jumping | 2014 Winter | |
| Szymon Ziółkowski | Athletics | 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer, 2012 Summer | |
| Kaja Ziomek-Nogal | Speed skating | 2018 Winter, 2022 Winter | |
| Hanspeter Ziörjen | Switzerland | Shooting | 1988 Summer | |
| Georg Zipfel | West Germany | Cross country skiing | 1976 Winter | |
| Peter Zipfel | 1980 Winter, 1984 Winter | |
| Monika Zipplies | Rowing | 1976 Summer | |
| Halil Zıraman | Turkey | Athletics | 1948 Summer, 1952 Summer | |
| Antal Zirczy | Hungary | Fencing | 1936 Summer | |
| Jean-Olivier Zirignon | Ivory Coast | Athletics | 1992 Summer, 1996 Summer | |
| Roger Zirilli | Switzerland | Swimming, Water polo | 1936 Summer | |
| Kregor Zirk | Estonia | Swimming | 2020 Summer, 2024 Summer | |
| Albert Zirkel | United States | Wrestling | 1904 Summer | |
| Christian Zirkelbach | West Germany | Athletics | 1984 Summer | |
| Zuzana Žirková | Slovakia | Basketball | 2000 Summer | |
| Ulla Zirne | Latvia | Luge | 2014 Winter, 2018 Winter | |
| Andreas Ziro | Greece | Sailing | 1952 Summer | |
| Janez Žirovnik | Yugoslavia | Road cycling | 1960 Summer | |
| Dezső von Zirthy | Hungary | Shooting | 1936 Summer | |
| Carola Zirzow | East Germany | Canoe sprint | 1976 Summer | |
| Wang Zisai | China | Trampolining | 2024 Summer | |
| Yiannis Zisimides | Cyprus | Athletics | 1992 Summer, 1996 Summer, 2000 Summer | |
| Andreas Zisimos | Greece | Swimming | 2004 Summer, 2008 Summer | |
| Nikos Zisis | Basketball | 2004 Summer, 2008 Summer | |
| Ján Žiška | Slovakia | Rowing | 1996 Summer, 2000 Summer | |
| Stefan Zisser | Italy | Ice hockey | 2006 Winter | |
| Loredana Zisu | Romania | Swimming | 1996 Summer | |
| Jaroslav Žitňanský | Slovakia | Athletics | 1996 Summer, 2004 Summer | |
| Boštjan Žitnik | Slovenia | Canoe slalom | 1992 Summer | |
| Franc Žitnik | Yugoslavia | 1972 Summer | |
| Ridha Zitoun | Tunisia | Handball | 1972 Summer | |
| Ali Zitouni | Football | 2004 Summer | |
| Uwe Zitranski | West Germany | Volleyball | 1972 Summer | |
| Marius Žiūkas | Lithuania | Athletics | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Volha Ziuzkova | Belarus | Basketball | 2016 Summer | |
| Darko Živanović | Serbia | Athletics | 2012 Summer | |
| Trifun Živanović | Serbia and Montenegro | Figure skating | 2006 Winter | |
| Jack Zivic | United States | Boxing | 1920 Summer | |
| Peter Zivic | 1920 Summer | |
| Aleksandar Živković | Serbia | Football | 2008 Summer | |
| Bojana Drča | Volleyball | 2012 Summer, 2016 Summer, 2024 Summer | |
| Zoran Živković | Yugoslavia | Handball | 1972 Summer | |
| Slobodan Živojinović | Tennis | 1988 Summer | |
| Sasa Zivoulovic | Greece | Handball | 2004 Summer | |
| Mo Ziwei [ Wikidata ] | China | Fencing | 2024 Summer | |
| Freddy Zix | France | Football | 1968 Summer | |
| Rajko Žižić | Yugoslavia | Basketball | 1976 Summer, 1980 Summer, 1984 Summer | |
| Jean Zizine | France | Field hockey | 1952 Summer | |
| Ladislav Žižka | Czechoslovakia | Biathlon | 1968 Winter, 1972 Winter, 1976 Winter | |
| Zizo | Egypt | Football | 2024 Summer | |
| Naoui Zlassi | Tunisia | Athletics | 1960 Summer | |
| Dimitar Zlatanov | Bulgaria | Volleyball | 1968 Summer, 1972 Summer, 1980 Summer | |
| Hristo Zlatanov | Italy | 2008 Summer | |
| Nikola Zlatanov | Bulgaria | Rowing | 1988 Summer | |
| Ion Zlătaru | Romania | Boxing | 1952 Summer | |
| Asen Zlatev | Bulgaria | Weightlifting | 1980 Summer | |
| Ivan Zlatev | Biathlon | 2014 Winter | |
| Spas Zlatev | Biathlon, Cross country skiing | 1984 Winter, 1992 Winter | |
| Stoyan Zlatev | Modern pentathlon | 1976 Summer | |
| Stanka Zlateva | Wrestling | 2004 Summer, 2008 Summer, 2012 Summer | |
| Svetla Zlateva | Athletics | 1972 Summer, 1976 Summer | |
| Andrija Zlatić | Serbia and Montenegro, Serbia | Shooting | 2004 Summer, 2012 Summer | |
| Karolis Zlatkauskas | Lithuania | Biathlon | 2006 Winter | |
| Kamen Zlatkov | Bulgaria | Alpine skiing | 2018 Winter, 2022 Winter | |
| Damjan Zlatnar | Slovenia | Athletics | 2004 Summer, 2008 Summer | |
| Julia Zlobina | Azerbaijan | Figure skating | 2014 Winter | |
| Boris Zloković | Montenegro | Water polo | 2008 Summer, 2012 Summer | |
| Luiza Złotkowska | Poland | Speed skating | 2010 Winter, 2014 Winter, 2018 Winter | |
| Galina Zlotnikova | Russia | Water polo | 2004 Summer | |
| Aleksandr Zlydenny | Unified Team | Shooting | 1992 Summer | |
| Robert Změlík | Czechoslovakia, Czech Republic | Athletics | 1992 Summer, 1996 Summer | |
| Kim Zmeskal | United States | Artistic gymnastics | 1992 Summer | |
| Matej Zmij [ Wikidata ] | Slovakia | Luge | 2022 Winter | |
| Tomáš Zmoray | Ski jumping | 2010 Winter | |
| Władysław Żmuda | Poland | Football | 1976 Summer | |
| Alina Zmushka | Belarus, Independent Olympians | Swimming | 2020 Summer, 2024 Summer | |
| Artem Znachkov | Armenia | Figure skating | 2002 Winter | |
| Marina Znak | Soviet Union, Unified Team, Belarus | Rowing | 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer | |
| Peter Znenahlik | Austria | Ice hockey | 1988 Winter | |
| Walter Znenahlik | 1956 Winter, 1964 Winter | |
| Emil Žnidar | Yugoslavia | Alpine skiing | 1936 Winter | |
| Henri-Achille Zo | France | Art competitions | 1928 Summer, 1932 Summer | |
| Gamil El-Zobair | Egypt | Football | 1928 Summer | |
| Hermann Zobel | Denmark | Equestrian dressage | 1956 Summer | |
| Peter Zobel | Equestrian eventing | 1960 Summer | |
| Walter Zobell | United States | Shooting | 1984 Summer | |
| Roswietha Zobelt | East Germany | Rowing | 1976 Summer, 1980 Summer | |
| Hannelore Zober | Handball | 1976 Summer, 1980 Summer | |
| Günther Zobernig | Austria | Swimming | 1936 Summer | |
| Peter Zobl-Wessely | Modern pentathlon, Fencing | 1972 Summer, 1976 Summer | |
| Flavia Zoccari | Italy | Swimming | 2008 Summer | |
| Jackie Zoch | United States | Rowing | 1976 Summer | |
| Bart Zoet | Netherlands | Road cycling | 1964 Summer | |
| Johannes Zoet | Fencing | 1948 Summer | |
| André Zoete | France | Wrestling | 1956 Summer, 1960 Summer, 1964 Summer | |
| Joop Zoetemelk | Netherlands | Road cycling, Track cycling | 1968 Summer | |
| Stefan Zoev | Bulgaria | Artistic gymnastics | 1968 Summer, 1972 Summer | |
| Roland Zöffel | Switzerland | Road cycling | 1960 Summer | |
| Carlotta Zofkova | Italy | Swimming | 2016 Summer | |
| David Zogg | Switzerland | Nordic combined | 1928 Winter | |
| Florian Zogg | Cross country skiing | 1928 Winter | |
| Julie Zogg | Snowboarding | 2014 Winter, 2018 Winter, 2022 Winter | |
| Armin Zöggeler | Italy | Luge | 1994 Winter, 1998 Winter, 2002 Winter, 2006 Winter, 2010 Winter, 2014 Winter | |
| Nina Zöggeler [ Wikidata ] | 2022 Winter | |
| Karim El-Zoghby | Egypt | Equestrian jumping | 2008 Summer, 2012 Summer, 2016 Summer | |
| Georges de Zogher [ Wikidata ] | Austria | Equestrian driving | 1900 Summer | |
| Asghar Zoghian | Iran | Wrestling | 1964 Summer | |
| Ala Zoghlami | Italy | Athletics | 2020 Summer | |
| Osama Zoghlami | 2020 Summer, 2024 Summer | |
| Dimitrios Zografos | Greece | Water polo | 1948 Summer | |
| Petar Zografov | Bulgaria | Cross country skiing | 1992 Winter, 1994 Winter | |
| Emil Zografski | Ski jumping | 1988 Winter, 1992 Winter | |
| Vladimir Zografski | 2014 Winter, 2018 Winter, 2022 Winter | |
| Abdallah Zohdy | Egypt | Shooting | 1964 Summer | |
| Mariam El-Zoheiry | Fencing | 2020 Summer | |
| Kateřina Zohnová | Czech Republic | Basketball | 2012 Summer | |
| Hynek Zohorna | Ice hockey | 2022 Winter | |
| Tomáš Zohorna | 2018 Winter, 2022 Winter | |
| Lalu Muhammad Zohri | Indonesia | Athletics | 2020 Summer, 2024 Summer | |
| Ramaz Zoidze | Georgia | Wrestling | 2020 Summer, 2024 Summer | |
| Erich Zoigner | Austria | Shooting | 1924 Summer | |
| Shakhobidin Zoirov | Uzbekistan | Boxing | 2016 Summer, 2020 Summer | |
| Manfred Zojer | Austria | Speed skating | 1964 Winter | |
| Sanjar Zokirov | Uzbekistan | Judo | 2004 Summer | |
| Nilufar Zokirova | Canoe sprint | 2020 Summer, 2024 Summer | |
| Giancarlo Zolezzi | Chile | Swimming | 2000 Summer, 2004 Summer | |
| Óscar Zolezzi | Argentina | Rowing | 1948 Summer | |
| Bijan Zolfagharnasab | Iran | Football | 1976 Summer | |
| Yader Zoli | Italy | Cycling mountain bike | 2004 Summer, 2008 Summer | |
| Günter Zöller | East Germany | Figure skating | 1968 Winter | |
| Hans Zoller | Switzerland | Bobsleigh | 1964 Winter | |
| Marion Zoller | Germany | Swimming | 1992 Summer | |
| Ștefan Zoller | Romania | Handball | 1936 Summer | |
| Zachary Zoller | Virgin Islands | Bobsleigh | 1994 Winter, 1998 Winter, 2002 Winter | |
| Sabrina Zollinger | Switzerland | Ice hockey | 2010 Winter, 2018 Winter | |
| Hans Zollner | Austria | 1956 Winter | |
| Pamela Zöllner | Germany | Speed skating | 2006 Winter | |
| Valērijs Žolnerovičs | Latvia | Athletics | 2008 Summer, 2012 Summer | |
| Urška Žolnir | Slovenia | Judo | 2004 Summer, 2008 Summer, 2012 Summer | |
| Vladimir Zoloev | Kyrgyzstan | 2020 Summer | |
| Aleksandr Zolotarev | Soviet Union | Athletics | 1968 Summer | |
| Anastasija Zolotic | United States | Taekwondo | 2020 Summer | |
| Tatyana Zolotnitskaya | Soviet Union | Swimming | 1972 Summer | |
| Nataliya Zolotukhina | Ukraine | 1996 Summer | |
| Nataliya Zolotukhina | Athletics | 2016 Summer | |
| André Zoltan | Belgium | Shooting | 1972 Summer | |
| Béla Zoltán | Hungary | Rowing | 1928 Summer | |
| Gábor Zombori | Swimming | 2020 Summer, 2024 Summer | |
| Gyula Zombori | Wrestling | 1932 Summer | |
| Ödön Zombori | 1928 Summer, 1932 Summer, 1936 Summer | |
| Epke Zonderland | Netherlands | Artistic gymnastics | 2008 Summer, 2012 Summer, 2016 Summer, 2020 Summer | |
| Eduardo Zone | Argentina | Equestrian jumping | 1984 Summer | |
| Zong Xiangqing | China | Fencing | 1984 Summer | |
| Guo Zongying [ Wikidata ] | Judo | 2024 Summer | |
| María Zonta | Argentina | Beach volleyball | 2012 Summer | |
| Peter Žonta | Slovenia | Ski jumping | 1998 Winter, 2002 Winter | |
| Maurizio Zonzini | San Marino | Artistic gymnastics | 1984 Summer | |
| Ronald Zoodsma | Netherlands | Volleyball | 1988 Summer, 1992 Summer | |
| Gianantonio Zopegni | Italy | Ice hockey | 1948 Winter | |
| William Zorach | United States | Art competitions | 1932 Summer | |
| Ugo Zorco | Italy | Field hockey | 1960 Summer | |
| Aljoša Žorga | Yugoslavia | Basketball | 1968 Summer | |
| Aleksandar Zorić | Road cycling | 1948 Summer | |
| Dragan Zorić | Serbia and Montenegro | Canoe sprint | 2000 Summer, 2004 Summer | |
| Milenko Zorić | Serbia | 2012 Summer, 2016 Summer | |
| Stevan Zorić | Independent Olympians, Serbia and Montenegro | Athletics | 1992 Summer, 1996 Summer, 2000 Summer | |
| Gombyn Zorig | Mongolia | Boxing | 1972 Summer | |
| Boris Zoriktuyev | Soviet Union | 1972 Summer | |
| Yuriy Zorin | Athletics | 1972 Summer | |
| Nebojša Zorkić | Yugoslavia | Basketball | 1984 Summer | |
| Branko Zorko | Yugoslavia, Croatia | Athletics | 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer, 2004 Summer | |
| Zdenko Zorko | Yugoslavia | Handball | 1972 Summer, 1976 Summer | |
| Uroš Zorman | Slovenia | 2004 Summer, 2016 Summer | |
| Dianne Zorn | New Zealand | Athletics | 1976 Summer, 1984 Summer | |
| Julia Zorn | Germany | Ice hockey | 2014 Winter | |
| Zac Zorn | United States | Swimming | 1968 Summer | |
| Harry Zörnack | East Germany | Handball | 1972 Summer | |
| Schirin Zorriassateiny | Norway | Rhythmic gymnastics | 1984 Summer | |
| Alberto Zorrilla | Argentina | Swimming | 1924 Summer, 1928 Summer | |
| Andrea Zorzi | Italy | Volleyball | 1988 Summer, 1992 Summer, 1996 Summer | |
| Angelo Zorzi | Artistic gymnastics | 1912 Summer, 1920 Summer | |
| Cristian Zorzi | Cross country skiing | 2002 Winter, 2006 Winter, 2010 Winter | |
| Mario Zorzi | Shooting | 1932 Summer, 1936 Summer | |
| Gigi Zosa | Canada | Artistic gymnastics | 1984 Summer | |
| Igor Zotov | Soviet Union | Rowing | 1988 Summer | |
| Gerhard Zotter | Austria | Judo | 1964 Summer | |
| Amedeo Zotti [ Wikidata ] | Italy | Tug of war | 1920 Summer | |
| Zou Wanhao | China | Wrestling | 2024 Summer | |
| Zou Jingyuan | Artistic gymnastics | 2020 Summer, 2024 Summer | |
| Zou Kai | 2008 Summer, 2012 Summer | |
| Zou Qiang | Curling | 2022 Winter | |
| Zou Shiming | Boxing | 2004 Summer, 2008 Summer, 2012 Summer | |
| Zou Sixin | Athletics | 1992 Summer, 1996 Summer | |
| Zou Wenzhi | Football | 1948 Summer | |
| Zou Yuchen | Basketball | 2016 Summer | |
| Zou Zhenxian | Athletics | 1984 Summer | |
| Rizlen Zouak | Morocco | Judo | 2012 Summer, 2016 Summer | |
| Mohamed Zouaki | Athletics | 1960 Summer | |
| Yacine Zouaki | Weightlifting | 2004 Summer | |
| Vincent Zouaoui-Dandrieux | France | Athletics | 2008 Summer, 2012 Summer | |
| Hakim Zouari | Tunisia | Volleyball | 2012 Summer | |
| Ahmed Zoubi | Libya | 1980 Summer | |
| Francine Zouga | Cameroon | Football | 2012 Summer | |
| Georgia Zouganeli | Greece | Athletics | 1988 Summer | |
| Mohamed Zouita | Morocco | Football | 1972 Summer | |
| Jan Zoulík | Czechoslovakia | Artistic gymnastics | 1976 Summer, 1980 Summer | |
| Christos Zoumis | Greece | Athletics | 1896 Summer | |
| Charalambos Zouras | 1908 Summer | |
| Hamid Reza Zouravand | Iran | 2016 Summer | |
| Houd Zourdani | Algeria | Judo | 2016 Summer | |
| Zdravko Zovko | Yugoslavia | Handball | 1984 Summer | |
| Chintaka de Zoysa | Sri Lanka | Athletics | 1996 Summer | |
| Zózimo | Brazil | Football | 1952 Summer | |
| Roman Zozulya | Ukraine | Artistic gymnastics | 2000 Summer, 2004 Summer | |
| Vera Zozulya | Soviet Union | Luge | 1976 Winter, 1980 Winter, 1984 Winter | |
| Vira Zozulya | Ukraine | Athletics | 2000 Summer, 2004 Summer, 2008 Summer | |
| Natko Zrnčić-Dim | Croatia | Alpine skiing | 2006 Winter, 2010 Winter, 2014 Winter, 2018 Winter | |
| Vedran Zrnić | Handball | 2004 Summer | |
| Vladimir Zrnić | Yugoslavia | Weightlifting | 1980 Summer | |
| Włodzimierz Źróbik | Poland | Bobsleigh | 1956 Winter | |
| Abdelkader Zrouri | Morocco | Taekwondo | 2004 Summer, 2008 Summer | |
| Radka Zrubáková | Czechoslovakia, Slovakia | Tennis | 1992 Summer, 1996 Summer | |
| Michaela Zrůstová | Czech Republic | Basketball | 2012 Summer | |
| Annerösli Zryd | Switzerland | Alpine skiing | 1968 Winter | |
| Irén Zságot | Hungary | Diving | 1948 Summer | |
| Iris Zscherpe | West Germany | Swimming | 1984 Summer | |
| Werner Zschiesche | Germany | Rowing | 1928 Summer | |
| Kinga Zsigmond | Hungary | Athletics | 1992 Summer | |
| Jenő Zsigmondy | Tennis | 1908 Summer, 1912 Summer | |
| András Zsinka | Athletics | 1972 Summer | |
| Tibor Zsíros | Basketball | 1948 Summer, 1952 Summer, 1960 Summer | |
| Béla Zsitnik | Rowing | 1948 Summer, 1952 Summer, 1960 Summer | |
| Béla Zsitnik Jr. | 1972 Summer | |
| Viktor Zsitva | Ice hockey | 1964 Winter | |
| Zoltán Zsitva | Athletics | 1936 Summer | |
| Attila Zsivoczky | 2000 Summer, 2004 Summer, 2008 Summer | |
| Györgyi Zsivoczky-Farkas | 2008 Summer, 2012 Summer, 2016 Summer | |
| Gyula Zsivótzky | 1960 Summer, 1964 Summer, 1968 Summer, 1972 Summer | |
| Zsolt Zsoldos | Judo | 1992 Summer | |
| Zsolt Zsombor | Bobsleigh | 1998 Winter, 2002 Winter | |
| Nathan Zsombor-Murray | Canada | Diving | 2020 Summer, 2024 Summer | |
| Bertalan Zsótér | Hungary | Shooting | 1936 Summer | |
| Viktor Zsuffka | Athletics | 1936 Summer | |
| Zu Lijun | China | Marathon swimming | 2016 Summer | |
| Fränz Zouang | Luxembourg | Artistic gymnastics | 1928 Summer | |
| Jos Zuang | 1912 Summer | |
| Jorge Zuazola | Chile | Sailing | 1984 Summer | |
| Rodrigo Zuazola | 1984 Summer, 1988 Summer | |
| Artem Zub | Russian Olympic Committee | Ice hockey | 2018 Winter | |
| Ryszard Zub | Poland | Fencing | 1956 Summer, 1960 Summer, 1964 Summer | |
| Szabolcs Zubai | Hungary | Handball | 2012 Summer | |
| Mohamad Zubaid [ Wikidata ] | Kuwait | Swimming | 2024 Summer | |
| Muhammad Zubair | Pakistan | Field hockey | 2008 Summer | |
| Valery Zubanov | Soviet Union | Sailing | 1972 Summer, 1976 Summer, 1980 Summer | |
| Andrei Zubarev | Russian Olympic Committee | Ice hockey | 2018 Winter | |
| Olha Zubaryeva | Soviet Union | Handball | 1980 Summer | |
| Vita Zubchenko | Ukraine | Rhythmic gymnastics | 2008 Summer | |
| Filip Zubčić | Croatia | Alpine skiing | 2014 Winter, 2018 Winter, 2022 Winter | |
| Martina Zubčić | Taekwondo | 2008 Summer | |
| Feliks Żuber | Poland | Athletics | 1928 Summer | |
| Steven Zuber | Switzerland | Football | 2012 Summer | |
| Luis Zubero | Spain | Road cycling | 1968 Summer | |
| Ramón de Zubiaurre | Art competitions | 1932 Summer | |
| Santiago Zubicoa | Water polo | 1968 Summer | |
| Martín Zubimendi | Football | 2020 Summer | |
| Nur Aisyah Mohamad Zubir [ Wikidata ] | Malaysia | Road cycling | 2024 Summer | |
| Iker Zubizarreta | Venezuela | Football | 1980 Summer | |
| Igor Zubjuk | Hungary | Handball | 1992 Summer | |
| Olena Zubko | Soviet Union | Rowing | 1976 Summer | |
| Alexandr Zubkov | Russia | Luge, Bobsleigh | 1998 Winter, 2002 Winter, 2006 Winter, 2010 Winter, 2014 Winter | |
| Mikhail Zubkov | Soviet Union | Swimming | 1988 Summer | |
| Viktor Zubkov | Basketball | 1956 Summer, 1960 Summer | |
| Vladimir Zubkov | Wrestling | 1972 Summer | |
| Anastasia Zubkova | Russia | Water polo | 2004 Summer | |
| Anna Zubkova | Kazakhstan | 2004 Summer | |
| Kateryna Zubkova | Ukraine | Swimming | 2004 Summer, 2008 Summer | |
| Petra Zublasing | Italy | Shooting | 2012 Summer, 2016 Summer | |
| Linda Züblin | Switzerland | Athletics | 2008 Summer | |
| Attila Zubor | Hungary | Swimming | 1996 Summer, 2000 Summer, 2004 Summer | |
| Igor Zuborenko | Soviet Union | Rowing | 1988 Summer | |
| Boris Zubov | Athletics | 1964 Summer | |
| Sergei Zubov | Unified Team | Ice hockey | 1992 Winter | |
| Yahor Zubovich | Belarus | Football | 2012 Summer | |
| Jiří Zubrický | Czechoslovakia | Weightlifting | 1988 Summer, 1992 Summer | |
| Oleksandr Zubrihin | Ukraine | Boxing | 2000 Summer | |
| Igor Zubrilin | Kazakhstan | Cross country skiing | 2002 Winter | |
| Olena Zubrilova | Ukraine, Belarus | Biathlon | 1994 Winter, 1998 Winter, 2002 Winter, 2006 Winter | |
| Abdullah Sulaiman Zubromawi | Saudi Arabia | Football | 1996 Summer | |
| Michel Zucarelli | France | Track cycling | 1972 Summer | |
| Angelo Zucca | Italy | Artistic gymnastics | 1976 Summer | |
| Vittorio Zucca | Athletics | 1920 Summer, 1924 Summer | |
| Mats Zuccarello | Norway | Ice hockey | 2010 Winter, 2014 Winter | |
| Francesco Zucchetti | Italy | Track cycling | 1924 Summer | |
| Pietro Zucchetti | Sailing | 2012 Summer, 2016 Summer | |
| Ángel Zucchi | Argentina | Field hockey | 1948 Summer | |
| Dino Zucchi | Italy | Basketball | 1952 Summer | |
| Franco Zucchi | Sailing | 1960 Summer | |
| Franco Zucchi | Rowing | 1988 Summer, 1996 Summer | |
| Giovanni Zucchi | 1956 Summer, 1960 Summer, 1964 Summer | |
| Giuseppe Zucchinetti | Sailing | 1968 Summer | |
| Luigi Zucchini | Ice hockey | 1936 Winter | |
| Mario Zucchini | 1936 Winter | |
| Ross Zucco | United States | Speed skating | 1960 Winter | |
| Giorgio Zuccoli | Italy | Sailing | 1988 Summer, 1992 Summer | |
| Vincenzo Zucconelli | Road cycling | 1952 Summer | |
| Erika Zuchold | East Germany | Artistic gymnastics | 1968 Summer, 1972 Summer | |
| Eric Zucker | Virgin Islands | Sailing | 1984 Summer | |
| Angela Zuckerman | United States | Speed skating | 1992 Winter, 1994 Winter | |
| Eli Zuckerman | Israel | Sailing | 2000 Summer | |
| Annelore Zückert | Austria | Alpine skiing | 1948 Winter | |
| Giovanni Zuddas | Italy | Boxing | 1948 Summer | |
| Eric Ebang Zué | Gabon | Athletics | 1996 Summer | |
| Reed Zuehlke | United States | Ski jumping | 1980 Winter, 1984 Winter | |
| Alexander Zuev | Russian Olympic Committee | 3x3 basketball | 2020 Summer | |
| Andrei Zuev | Russia | Ice hockey | 1994 Winter | |
| Stepan Zuev | Alpine skiing | 2010 Winter, 2014 Winter | |
| Enea Zuffi | Italy | Football | 1912 Summer | |
| Nenad Žugaj | Croatia | Wrestling | 2012 Summer | |
| Neven Žugaj | 2012 Summer | |
| Ryszard Żugaj | Poland | Swimming | 1976 Summer | |
| Siniša Žugić | Serbia and Montenegro | Diving | 1996 Summer | |
| Loredana Zugna | Italy | Shooting | 1984 Summer | |
| Nida Zuhal | Turkey | Swimming | 1996 Summer | |
| Steffen Zühlke | East Germany | Rowing | 1988 Summer | |
| Niels Zuidweg | Netherlands | Water polo | 2000 Summer | |
| Wilco Zuijderwijk | Track cycling | 2000 Summer | |
| Martijn Zuijdweg | Swimming | 2000 Summer | |
| Viktor Zuikov | Estonia | Fencing | 1992 Summer | |
| Gianni Zuiverloon | Netherlands | Football | 2008 Summer | |
| Daugvinas Zujus | Lithuania | Athletics | 1996 Summer, 2000 Summer, 2004 Summer | |
| Kamila Żuk | Poland | Biathlon | 2018 Winter, 2022 Winter | |
| Anna Zukal | Russia | Freestyle skiing | 2002 Winter, 2006 Winter | |
| Eurelijus Žukauskas | Lithuania | Basketball | 1996 Summer, 2000 Summer, 2004 Summer | |
| Mindaugas Žukauskas | 1996 Summer, 2004 Summer | |
| Gal Zukerman | Israel | Sailing | 2024 Summer | |
| Siyovush Zukhurov | Tajikistan | Boxing | 2020 Summer | |
| Jelizaveta Žuková | Czech Republic | Figure skating | 2022 Winter | |
| Eduards Žukovs | Latvia | Wrestling | 1992 Summer | |
| Jan Żukowski | Poland | Canoe sprint | 1972 Summer | |
| Damdiny Zul | Mongolia | Boxing | 1992 Summer | |
| Fritz Zulauf | Switzerland | Shooting | 1920 Summer | |
| Edward Żuławnik | Poland | Wrestling | 1960 Summer | |
| Jacek Żuławski | Art competitions | 1948 Summer | |
| Béla Zulawszky | Hungary | Fencing | 1908 Summer, 1912 Summer | |
| Jairo Zulbarán | Colombia | Football | 1992 Summer | |
| Mohamed Zulficar | Egypt | Fencing | 1948 Summer, 1952 Summer | |
| Claudio Zulianello | Argentina | Volleyball | 1988 Summer | |
| Mauro Zuliani | Italy | Athletics | 1980 Summer, 1984 Summer | |
| Zaidatul Husniah Zulkifli | Malaysia | 2016 Summer | |
| Alex Zülle | Switzerland | Road cycling | 1996 Summer, 2000 Summer | |
| Ernst Züllig | Handball | 1980 Summer | |
| Matías Zuloaga | Argentina | Cross country skiing | 2018 Winter | |
| Victoria Zuloaga | Field hockey | 2016 Summer | |
| Andreas Zülow | East Germany, Germany | Boxing | 1988 Summer, 1992 Summer | |
| Robertas Žulpa | Soviet Union | Swimming | 1980 Summer | |
| Misozi Zulu | Zambia | Football | 2024 Summer | |
| Onthatile Zulu | South Africa | Field hockey | 2020 Summer, 2024 Summer | |
| Pauline Zulu [ Wikidata ] | Zambia | Football | 2024 Summer | |
| Simon Zulu [ Wikidata ] | Judo | 2024 Summer | |
| Star Zulu | Boxing | 1984 Summer | |
| Fabiola Zuluaga | Colombia | Tennis | 2000 Summer, 2004 Summer | |
| Roberto Zulueta | Cuba | Handball | 1980 Summer | |
| Jaime Zumalacárregui | Spain | Field hockey | 1980 Summer | |
| Goretti Zumaya | Mexico | Shooting | 2016 Summer, 2024 Summer | |
| Andi Zumbach | Switzerland | 1992 Summer, 1996 Summer | |
| Raúl Zumbano | Brazil | Boxing | 1948 Summer | |
| Nadine Zumkehr | Switzerland | Beach volleyball | 2012 Summer, 2016 Summer | |
| Matthias Zumstein | Handball | 1996 Summer | |
| Max Zumstein | Field hockey | 1928 Summer | |
| Grace Zumwinkle | United States | Ice hockey | 2022 Winter | |
| Frank Zuna | Athletics | 1924 Summer | |
| Stephan Zünd | Switzerland | Ski jumping | 1992 Winter | |
| Ieva Zunda | Latvia | Athletics | 2004 Summer, 2008 Summer | |
| Banzragchiin Zundui | Mongolia | Cross country skiing | 1964 Winter | |
| Stipe Žunić | Croatia | Athletics | 2016 Summer | |
| Alejandro Zúñiga | Chile | Judo | 2012 Summer | |
| David Zuniga | United States | Wrestling | 1996 Summer | |
| Edmundo Zúñiga | Chile | Athletics | 1948 Summer | |
| Faelo Zúñiga | Swimming | 1928 Summer | |
| Jennieffer Zúñiga | Guatemala | Rowing | 2020 Summer | |
| Luis Zuñiga | Chile | Boxing | 1964 Summer | |
| Maite Zúñiga | Spain | Athletics | 1988 Summer, 1992 Summer, 1996 Summer | |
| Manuel Zúñiga | Football | 1980 Summer | |
| Marco Zúñiga | Chile | Biathlon | 2006 Winter | |
| Miguel Ángel Zúñiga | Spain | Handball | 1988 Summer | |
| Rafael Zuñiga | Colombia | Boxing | 1984 Summer | |
| Francesca Zunino | Italy | Artistic swimming | 2024 Summer | |
| Heinz Zünkler | Germany | Rowing | 1952 Summer | |
| Haritz Zunzunegui | Spain | Cross country skiing | 1998 Winter, 2002 Winter | |
| Juan Zunzunegui | Rowing | 2000 Summer, 2004 Summer | |
| Zuo Yue | China | Volleyball | 1984 Summer | |
| Ivo Zupan | Yugoslavia | Ski jumping | 1976 Winter | |
| Matjaž Zupan | Yugoslavia, Slovenia | 1988 Winter, 1992 Winter, 1994 Winter | |
| Polona Zupan | Slovenia | Snowboarding | 1998 Winter | |
| Romana Župan | Croatia | Sailing | 2012 Summer | |
| Teja Zupan | Slovenia | Marathon swimming | 2008 Summer | |
| Janez Zupanc | Rowing | 2008 Summer | |
| Peter Zupanc | Athletics | 2004 Summer | |
| Jernej Župančič Regent | Canoe sprint | 2004 Summer, 2008 Summer | |
| Kelita Zupancic | Canada | Judo | 2012 Summer, 2016 Summer | |
| Slava Zupančič | Yugoslavia | Alpine skiing | 1956 Winter | |
| Vjekoslav Župančić | Football | 1920 Summer | |
| Stelio Zupancich | Canada | Ice hockey | 1980 Winter | |
| Rami Zur | Israel, United States | Canoe sprint | 2000 Summer, 2004 Summer, 2008 Summer | |
| Oleg Zurabiani | Soviet Union | Judo | 1976 Summer | |
| Andrzej Żurawski | Poland | Ice hockey | 1964 Winter | |
| Jan Żurawski | Wrestling | 1960 Summer | |
| Bernadette Zurbriggen | Switzerland | Alpine skiing | 1972 Winter, 1976 Winter, 1980 Winter | |
| Hans Zurbriggen | Ski jumping | 1948 Winter | |
| Heidi Zurbriggen | Alpine skiing | 1992 Winter, 1994 Winter, 1998 Winter | |
| Pirmin Zurbriggen | 1984 Winter, 1988 Winter | |
| Robert Zurbriggen | Cross country skiing | 1948 Winter | |
| Silvan Zurbriggen | Alpine skiing | 2006 Winter, 2010 Winter | |
| Fritz Zurbuchen | Cross country skiing | 1956 Winter | |
| Regula Zürcher | Athletics | 1992 Summer | |
| Damian Żurek [ Wikidata ] | Poland | Speed skating | 2022 Winter | |
| Karol Żurek | Ice hockey | 1976 Winter | |
| Natasza Zurek | Canada | Snowboarding | 1998 Winter, 2002 Winter | |
| José Zurera | Spain | Weightlifting | 1988 Summer, 1992 Summer | |
| Karl Zurflüh | Switzerland | Boxing | 1936 Summer | |
| Franco Zurlo | Italy | 1964 Summer | |
| Matteo Zurloni | Sport climbing | 2024 Summer | |
| Albert Zürner | Germany | Diving | 1908 Summer, 1912 Summer | |
| Teresa Zurowski | Austria | Handball | 1992 Summer | |
| Emily Zurrer | Canada | Football | 2008 Summer | |
| Vaida Žūsinaitė | Lithuania | Athletics | 2016 Summer | |
| Henrikas Žustautas | Canoe sprint | 2016 Summer | |
| Tanja Žutić | Yugoslavia | Artistic gymnastics | 1948 Summer, 1952 Summer | |
| Fred van Zutphen | Netherlands | Archery | 2000 Summer | |
| Geeta Zutshi | India | Athletics | 1980 Summer, 1984 Summer | |
| Louis Zutter | Switzerland | Artistic gymnastics | 1896 Summer | |
| Tümendembereliin Züünbayan | Mongolia | Wrestling | 2000 Summer | |
| Goran Žuvela | Yugoslavia | Judo | 1976 Summer | |
| Marko Žuvela | Croatia | Water polo | 2024 Summer | |
| Nikolai Zuyev | Russia | Badminton | 1996 Summer, 2004 Summer | |
| Viktar Zuyev | Belarus | Boxing | 2004 Summer, 2008 Summer | |
| Vladimir Zuyev | Sailing | 1996 Summer | |
| Maryna Zuyeva | Speed skating | 2018 Winter, 2022 Winter | |
| Natalia Zuyeva | Russia | Rhythmic gymnastics | 2008 Summer | |
| Irina Zuykova | Unified Team | Equestrian dressage | 1992 Summer | |
| Marijan Žužej | Yugoslavia | Water polo | 1956 Summer, 1960 Summer | |
| Peter Zuzin | Slovakia | Ice hockey | 2022 Winter | |
| Nenad Žvanut | Yugoslavia | Speed skating | 1984 Winter | |
| Ondřej Zvára | Czech Republic | Equestrian jumping | 2020 Summer | |
| Veronika Zvařičová | Biathlon | 2010 Winter | |
| Lloyd Zvasiya | Zimbabwe | Athletics | 2004 Summer | |
| Denis Žvegelj | Slovenia | Rowing | 1992 Summer, 1996 Summer | |
| Isak Žvegelj | 2024 Summer | |
| Alberts Zvejnieks | Latvia | Wrestling | 1928 Summer, 1936 Summer | |
| Kristaps Zvejnieks | Alpine skiing | 2010 Winter, 2014 Winter, 2018 Winter | |
| Miks Zvejnieks [ Wikidata ] | 2022 Winter | |
| Roberts Zvejnieks | Short track speed skating | 2018 Winter | |
| Alexander Zverev | Germany | Tennis | 2020 Summer, 2024 Summer | |
| Ellina Zvereva | Soviet Union, Belarus | Athletics | 1988 Summer, 1996 Summer, 2000 Summer, 2004 Summer, 2008 Summer | |
| Natasha Zvereva | Soviet Union, Unified Team, Belarus | Tennis | 1988 Summer, 1992 Summer, 1996 Summer, 2000 Summer | |
| Zurab Zviadauri | Georgia | Judo | 2004 Summer | |
| Armands Zvirbulis | Latvia | Wrestling | 2012 Summer | |
| Luka Žvižej | Slovenia | Handball | 2004 Summer | |
| Karel Zvonař | Czechoslovakia | Wrestling | 1936 Summer | |
| Vera Zvonareva | Russia | Tennis | 2008 Summer, 2012 Summer | |
| Roman Zvonkov | Ukraine | Biathlon | 1994 Winter | |
| Viktor Zvyahintsev | Soviet Union | Football | 1976 Summer | |
| Jan Zwaan | Netherlands | Athletics | 1948 Summer | |
| Jo Zwaan | 1948 Summer | |
| Tilly van der Zwaard | 1964 Summer, 1968 Summer | |
| Roland Zwahlen | Switzerland | Biathlon | 2002 Winter | |
| Fred van der Zwan | Netherlands | Water polo | 1960 Summer | |
| Niels van der Zwan | Rowing | 1992 Summer, 1996 Summer, 2000 Summer | |
| Federico Zwanck | Argentina | Swimming | 1952 Summer | |
| Pieter de Zwart | Netherlands | Sailing | 1968 Summer | |
| Tamara Zwart | Artistic swimming | 1992 Summer | |
| Piet de Zwarte | Water polo | 1976 Summer | |
| Adrie Zwartepoorte | Track cycling | 1936 Summer | |
| Krzysztof Zwarycz | Poland | Weightlifting | 2012 Summer | |
| Fritz Zwazl | Austria | Swimming | 1948 Summer | |
| Frank Zweerts | Netherlands | Field hockey | 1964 Summer | |
| Jeroen Zweerts | 1972 Summer | |
| Julia Zwehl | Germany | 2000 Summer, 2004 Summer | |
| Anton Zwerina | Austria | Weightlifting | 1924 Summer | |
| Klaas-Erik Zwering | Netherlands | Swimming | 2000 Summer, 2004 Summer | |
| Ron Zwerver | Volleyball | 1988 Summer, 1992 Summer, 1996 Summer | |
| Nicolaus Zwetnow | Norway | Shooting | 1960 Summer, 1964 Summer | |
| Roos Zwetsloot | Netherlands | Skateboarding | 2020 Summer, 2024 Summer | |
| Martin Zwicker | Germany | Field hockey | 2016 Summer, 2020 Summer, 2024 Summer | |
| Dániel Zwickl | Hungary | Table tennis | 2012 Summer | |
| Rolf Zwicky | Switzerland | Sailing | 1984 Summer | |
| Marc Zwiebler | Germany | Badminton | 2008 Summer, 2012 Summer, 2016 Summer | |
| Vlastimil Zwiefelhofer | Czechoslovakia | Athletics | 1980 Summer | |
| Philip Zwiener | Germany | Basketball | 2008 Summer | |
| Sabine Zwiener | Athletics | 1992 Summer | |
| Eddie Zwier | Netherlands | Field hockey | 1960 Summer | |
| Nel Zwier | Athletics | 1960 Summer | |
| Claudia Zwiers | Judo | 1996 Summer, 2004 Summer | |
| Henri Zwiers | Art competitions | 1936 Summer | |
| Sławomir Zwierzyński | Poland | Fencing | 1992 Summer | |
| Jonathan Zwikel | France | Ice hockey | 1998 Winter, 2002 Winter | |
| Marius Zwiller | Swimming | 1924 Summer | |
| David Zwilling | Austria | Alpine skiing | 1972 Winter | |
| Werner Zwimpfer | Switzerland | Rowing | 1968 Summer | |
| Werner Zwingli | Cross country skiing | 1956 Winter | |
| Jack Zwirewich | Canada | Rowing | 1948 Summer, 1952 Summer | |
| Vic Zwolak | United States | Athletics | 1964 Summer | |
| Klaudia Zwolińska | Poland | Canoe slalom | 2020 Summer, 2024 Summer | |
| Krzysztof Zwoliński | Athletics | 1980 Summer | |
| Henk-Jan Zwolle | Netherlands | Rowing | 1988 Summer, 1992 Summer, 1996 Summer | |
| Sandra Zwolle | Speed skating | 1998 Winter | |
| Viktoriya Zyabkina | Kazakhstan | Athletics | 2012 Summer, 2016 Summer | |
| Yury Zyabrev | Soviet Union | Equestrian jumping | 1972 Summer | |
| Nataliya Zyatikova | Belarus | Cross country skiing | 2002 Winter | |
| Vera Zyatikova | 2002 Winter | |
| Vladislavas Zybaila | Lithuania | 1998 Winter, 2002 Winter | |
| Jan Zybert | Poland | Track cycling | 1928 Summer | |
| Aleksandr Zybin | Soviet Union | Sailing | 1980 Summer, 1988 Summer | |
| Galina Zybina | Athletics | 1952 Summer, 1956 Summer, 1960 Summer, 1964 Summer | |
| Bogusław Zych | Poland | Fencing | 1980 Summer, 1988 Summer | |
| Michał Zych | Figure skating | 2006 Winter | |
| Bogusław Zychowicz | Swimming | 1980 Summer | |
| Dominik Życki | Sailing | 2008 Summer, 2012 Summer | |
| Łukasz Żygadło | Volleyball | 2012 Summer | |
| Paweł Zygmunt | Speed skating | 1994 Winter, 1998 Winter, 2002 Winter, 2006 Winter | |
| Stavroula Zygouri | Greece | Wrestling | 2004 Summer | |
| František Zyka | Czechoslovakia | Athletics | 1928 Summer | |
| Milan Zyka | Track cycling | 1972 Summer | |
| Olesya Zykina | Russia | Athletics | 2000 Summer, 2004 Summer | |
| Yevgeny Zykov | Luge | 2002 Winter | |
| Yulia Zykova | Russian Olympic Committee | Shooting | 2020 Summer | |
| Manie van Zyl | South Africa | Wrestling | 1956 Summer, 1960 Summer | |
| Andrzej Żyła | Poland | Luge | 1976 Winter | |
| Piotr Żyła | Ski jumping | 2014 Winter, 2022 Winter | |
| Tomasz Żyła | Bobsleigh | 1998 Winter, 2002 Winter | |
| Fernando Zylberberg | Argentina | Field hockey | 2000 Summer, 2004 Summer | |
| Jim Zylker | United States | Football | 1972 Summer | |
| Yevhen Zyukov | Ukraine | Athletics | 2000 Summer, 2004 Summer | |
| Volodymyr Zyuskov | 2004 Summer | |
| Nina Zyuskova | Soviet Union | 1980 Summer | |
| Aleksandr Zyuzin | Russia | Rowing | 2000 Summer, 2004 Summer | |
| Ekaterina Zyuzina | Russian Olympic Committee | Sailing | 2020 Summer | |
| Sylwia Zyzańska | Poland | Archery | 2020 Summer | |