| Name | Gender | Categories | |
|---|
| William Stafford | m | Shakespearian Characters |  |
| Sir William Stanley | m | Shakespearian Characters | |
| William Howard Stein | m | Nobel Prize Winners | |
| William Stevenson | m | Olympic Medalists | |
| William Grant Still | m | Notable Musicians | |
| William Styron | m | Notable Writers, Pulitzer Award Winners | |
| William Howard Taft | m | American Presidents | |
| William Thompson | m | Olympic Medalists | |
| William Vickrey | m | Nobel Prize Winners | |
| William Wallace | m | Notable Activists and Revolutionaries, Notable Military Figures | |
| William Wharton | m | Notable Writers | |
| Lord William Willoughby | m | Shakespearian Characters | |
| William Windom | m | Emmy Award Winners, Notable Actors and Entertainers | |
| William Wyler | m | Notable Filmmakers, Oscar Award Winners | |
| William Butler Yeats | m | Nobel Prize Winners, Notable Writers | |
| William Albert Yorzyk Jr. | m | Olympic Medalists | |
| Willian | m | Notable Athletes | |
| Willie | m | Fictional Characters from Song Titles | |
| Willie Anderson | m | Olympic Medalists | |
| Willie Applegarth | m | Olympic Medalists | |
| Willie Brown | m | Hall-of-Famers | |
| Willie Davis | m | Hall-of-Famers, Notable Athletes | |
| Willie Hernández | m | Most Valuable Players | |
| Willie Keeler | m | Hall-of-Famers, Notable Athletes | |
| Willie Lanier | m | Hall-of-Famers | |
| Willie le Roux | m | Notable Athletes | |
| Willie May | m | Olympic Medalists | |
| Willie Mays | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Willie McCovey | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Willie McGee | m | Most Valuable Players | |
| Willie Nelson | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Willie Pep | m | Notable Athletes | |
| Willie Roaf | m | Hall-of-Famers | |
| Willie "The Lion" Smith | m | Notable Musicians | |
| Willie Smith | m | Notable Musicians | |
| Willie Stargell | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Willie Steele | m | Olympic Medalists | |
| Willie Wells | m | Hall-of-Famers | |
| Willie Wood | m | Hall-of-Famers, Notable Athletes | |
| Willis Lamb | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Willis Reed | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Willoughby Gray | m | Notable Actors and Entertainers | |
| Willow Ufgood | m | Fictional Characters from Movies | |
| Willy | m | Fictional Characters from Song Titles | |
| Willy Brandt | m | German Chancellors and Presidents, Nobel Prize Winners | |
| Willy den Ouden | f | Olympic Medalists | |
| Willy Gysi | m | Olympic Medalists | |
| Willy Hernangómez | m | Notable Athletes, Olympic Medalists | |
| Willy Schärer | m | Olympic Medalists | |
| Willy van de Kerkhof | m | Notable Athletes | |
| Willy van der Kuijlen | m | Notable Athletes | |
| Willy Vandersteen | m | Notable Artists, Notable Writers | |
| Willy Wonka | m | Fictional Characters from Books | |
| Willye White | f | Olympic Medalists | |
| Wilma | f | Hurricanes and Tropical Storms | |
| Wilma Rudolph | f | Notable Athletes, Olympic Medalists | |
| Wilma van Hofwegen | f | Olympic Medalists | |
| Wilma van Velsen | f | Olympic Medalists | |
| Wilson Kipketer | m | Olympic Medalists | |
| Wilson Kipketer | m | Olympic Medalists | |
| Wilson "Rocket" Rodriguez | m | Fictional Characters from Movies | |
| Wilson W. Wilson Jr. | m | Fictional Characters from Television | |
| Wilt "the Stilt" Chamberlain | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Wim Beyen | m | Notable Politicians and Statespeople | |
| Wim Duisenberg | m | Notable Politicians and Statespeople | |
| Wim Jansen | m | Notable Athletes | |
| Wim Jonk | m | Notable Athletes | |
| Wim Kieft | m | Notable Athletes | |
| Wim Kok | m | Dutch Prime Ministers | |
| Wim Rijsbergen | m | Notable Athletes | |
| Wim Ruska | m | Olympic Medalists | |
| Wim Schermerhorn | m | Dutch Prime Ministers | |
| Wim Slijkhuis | m | Olympic Medalists | |
| Wim Sonneveld | m | Notable Actors and Entertainers, Notable Musicians | |
| Wim Suurbier | m | Notable Athletes | |
| Wim van der Voort | m | Olympic Medalists | |
| Wim van Eekelen | m | Notable Politicians and Statespeople | |
| Wim Wenders | m | Notable Filmmakers | |
| Win Young | m | Olympic Medalists | |
| Wincenty Lewoniuk | m | Saints | |
| Wincenty Witos | m | Polish Presidents and Prime Ministers | |
| Winnie Cooper | f | Fictional Characters from Television | |
| Winnie van Weerdenburg | f | Olympic Medalists | |
| Winslow Homer | m | Notable Artists | |
| Winston Churchill | m | British Prime Ministers, Nobel Prize Winners | |
| Winston Ntshona | m | Notable Actors and Entertainers, Tony Award Winners | |
| Winston Smith | m | Fictional Characters from Books | |
| Wisława Szymborska | f | Nobel Prize Winners, Notable Writers | |
| Wivina | f | Saints | |
| Wladimir Klitschko | m | Notable Athletes, Olympic Medalists | |
| Władysław I (or IV) the Short | m | Polish High Dukes and Kings | |
| Władysław I Herman | m | Polish High Dukes and Kings | |
| Władysław II | m | Polish High Dukes and Kings | |
| Władysław II the Exile | m | Polish High Dukes and Kings | |
| Władysław III | m | Hungarian Kings and Queens, Polish High Dukes and Kings | |
| Władysław III Spindleshanks | m | Polish High Dukes and Kings | |
| Władysław IV | m | Polish High Dukes and Kings | |
| Władysław Mackowiak | m | Saints | |
| Władysław Grabski | m | Polish Presidents and Prime Ministers | |
| Władysław Kozakiewicz | m | Olympic Medalists | |
| Władysław Raczkiewicz | m | Polish Presidents and Prime Ministers | |
| Władysław Reymont | m | Nobel Prize Winners, Notable Writers | |
| Władysław Sikorski | m | Polish Presidents and Prime Ministers | |
| Wlamir Marques | m | Olympic Medalists | |
| Wojciech Bartnik | m | Olympic Medalists | |
| Wojciech Jaruzelski | m | Polish Presidents and Prime Ministers | |
| Wole Soyinka | m | Nobel Prize Winners, Notable Writers | |
| Wolf Blitzer | m | Notable Journalists | |
| Wolfe Morris | m | Notable Actors and Entertainers | |
| Wolfgang Ketterle | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Wolfgang Amadeus Mozart | m | Notable Musicians | |
| Wolfgang Overath | m | Notable Athletes | |
| Wolfgang Paul | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Wolfgang Pauli | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Wolfgang Reinhardt | m | Olympic Medalists | |
| Wolfgang Schmidt | m | Olympic Medalists | |
| Jang Won-sam | m | Olympic Medalists | |
| Woodrow Wilson | m | American Presidents, Nobel Prize Winners | |
| Woody Allen | m | Notable Actors and Entertainers, Notable Filmmakers, Oscar Award Winners | |
| Woody Boyd | m | Fictional Characters from Television | |
| Woody Dumart | m | Hall-of-Famers | |
| Woody Guthrie | m | Notable Musicians | |
| Woody Harrelson | m | Notable Actors and Entertainers | |
| Woody Herman | m | Notable Musicians | |
| Woody Hoyt | m | Fictional Characters from Television | |
| Wouter "Gotye" De Backer | m | Grammy Award Winners, Notable Musicians | |
| Wyatt "Sonny" Boswell | m | Hall-of-Famers | |
| Wyatt Halliwell | m | Fictional Characters from Television | |
| Wyclef Jean | m | Notable Musicians | |
| Wynona | f | Fictional Characters from Song Titles | |
| Xabi Alonso | m | Notable Athletes | |
| Xander Berkeley | m | Notable Actors and Entertainers | |
| Xanthippe | f | Characters in Greek Mythology | |
| Xanthippe | f | Characters in Greek Mythology | |
| Xanthus | m | Characters in Greek Mythology | |
| Xanthus | f | Characters in Greek Mythology | |
| Xavi Hernández | m | Notable Athletes | |
| Xavi Rabaseda | m | Notable Athletes | |
| Xavi Simons | m | Notable Athletes | |
| Xavier Dolan | m | Notable Actors and Entertainers, Notable Filmmakers | |
| Xavier Naidoo | m | Notable Musicians | |
| Xenia Stad-de Jong | f | Olympic Medalists | |
| Xenophanes of Colophon | m | Notable Philosophers and Thinkers | |
| Xenophilius Lovegood | m | Harry Potter Characters | |
| Xenophon | m | Notable Philosophers and Thinkers | |
| Xerxes I the Great | m | Biblical Characters, Egyptian Pharaohs, Persian and Iranian Kings and Queens | |
| Xhafer Ypi | m | Albanian Presidents and Prime Ministers | |
| Gong of Song | m | Chinese Emperors | |
| Liu Xiang | m | Notable Athletes, Olympic Medalists | |
| Liu Xiaobo | m | Nobel Prize Winners, Notable Activists and Revolutionaries | |
| Song Xiaobo | f | Olympic Medalists | |
| Wang Xiaohong | f | Olympic Medalists | |
| Huang Xiaomin | f | Olympic Medalists | |
| Li Xiaoqin | f | Olympic Medalists | |
| Li Xiaoxia | f | Notable Athletes, Olympic Medalists | |
| Xian of Han | m | Chinese Emperors | |
| Ximena Restrepo Gaviria | f | Olympic Medalists | |
| Li Xin | f | Olympic Medalists | |
| Ai of Han | m | Chinese Emperors | |
| Wang Xin | f | Olympic Medalists | |
| Yi of Chu | m | Chinese Emperors | |
| Gao Xingjian | m | Nobel Prize Winners, Notable Writers | |
| Guangwu of Han | m | Chinese Emperors | |
| Zheng Xiulin | f | Olympic Medalists | |
| Zhezong of Song | m | Chinese Emperors | |
| Huan Xuan | m | Chinese Emperors | |
| Xizong of Tang | m | Chinese Emperors | |
| Shenggong | m | Chinese Emperors | |
| Kangxi | m | Chinese Emperors | |
| Han Xue | f | Olympic Medalists | |
| Sang Xue | f | Olympic Medalists | |
| Luo Xuejuan | f | Olympic Medalists | |
| Li Xuerui | f | Olympic Medalists | |
| Zhou Yafei | f | Olympic Medalists | |
| Yagub Mammadov | m | Notable Politicians and Statespeople | |
| Yahweh | m | Biblical Characters | |
| Yale Lary | m | Hall-of-Famers | |
| Chen Yan | f | Olympic Medalists | |
| Mo Yan | m | Nobel Prize Winners, Notable Writers | |
| Cheng of Jin | m | Chinese Emperors | |
| Wang Yan | f | Olympic Medalists | |
| Yu Yang | f | Olympic Medalists | |
| Park Yang-gae | f | Olympic Medalists | |
| Ma Yanhong | f | Olympic Medalists | |
| Yanina Karolchyk-Pravalinskaya | f | Olympic Medalists | |
| Yanka Kupala | m | Notable Writers | |
| Xu Yanmei | f | Olympic Medalists | |
| Xu Yanwei | f | Olympic Medalists | |
| Xiaowu of Jin | m | Chinese Emperors | |
| Hu Yaobang | m | Other Leaders | |
| Abu Yusuf Yaqub al-Kindi | m | Notable Philosophers and Thinkers | |
| Yardena Arazi | f | Notable Musicians | |
| Yaropolk I | m | Russian Grand Dukes and Tsars | |
| Yaropolk II | m | Russian Grand Dukes and Tsars | |
| Yaroslav I the Wise | m | Russian Grand Dukes and Tsars | |
| Yaroslav II | m | Russian Grand Dukes and Tsars | |
| Yaşar Kemal | m | Notable Writers | |
| Yasser Arafat | m | Nobel Prize Winners, Other Leaders | |
| Nakamikado | m | Japanese Emperors | |
| Yasuji Miyazaki | m | Olympic Medalists | |
| Kawabata Yasunari | m | Nobel Prize Winners, Notable Writers | |
| Yavuz Bingöl | m | Notable Actors and Entertainers, Notable Musicians | |
| Chang Yaw-teing | m | Olympic Medalists | |
| Yazdegerd III | m | Persian and Iranian Kings and Queens | |
| Yazid I ibn Muawiyah | m | Islamic Caliphs | |
| Yazid II ibn Abd al-Malik | m | Islamic Caliphs | |
| Yazid III ibn al-Walid | m | Islamic Caliphs | |
| Zhaozong of Tang | m | Chinese Emperors | |
| Min of Jin | m | Chinese Emperors | |
| Sun Ye | f | Olympic Medalists | |
| Yehudi Menuhin | m | Notable Musicians | |
| Yekaterina I | f | Russian Grand Dukes and Tsars | |
| Yekaterina II the Great | f | Russian Grand Dukes and Tsars | |
| Yekaterina Lisina | f | Olympic Medalists | |
| Yekaterina Volkova | f | Olympic Medalists | |
| Y. A. Tittle | m | Hall-of-Famers, Most Valuable Players | |
| Yelena Dendeberova | f | Olympic Medalists | |
| Yelena Gorchakova | f | Olympic Medalists | |
| Yelena Isinbayeva | f | Notable Athletes, Olympic Medalists | |
| Yelena Khudashova | f | Olympic Medalists | |
| Yelena Kruglova | f | Olympic Medalists | |
| Yelena Miroshina | f | Olympic Medalists | |
| Yelena Nikolayeva | f | Olympic Medalists | |
| Yelena Ovchinnikova | f | Olympic Medalists | |
| Yelena Romanova | f | Olympic Medalists | |
| Yelena Rudkovskaya | f | Olympic Medalists | |
| Yelena Ruzina | f | Olympic Medalists | |
| Yelena Shubina | f | Olympic Medalists | |
| Yelena Shvaybovich | f | Olympic Medalists | |
| Yelena Slesarenko | f | Olympic Medalists | |
| Yelena Soya | f | Olympic Medalists | |
| Yelena Zhupiyeva-Vyazova | f | Olympic Medalists | |
| Yelina Salas | f | Fictional Characters from Television | |
| Yelizaveta | f | Russian Grand Dukes and Tsars | |
| Yelizaveta Bagryantseva | f | Olympic Medalists | |
| Yermak Timofeyevich | m | Notable Explorers and Adventurers | |
| Yesün Temür Khan | m | Chinese Emperors, Other Royalty | |
| Yetta Rosenberg Jones | f | Fictional Characters from Television | |
| Jong Yeu-jeng | m | Olympic Medalists | |
| Yevgeni Zimin | m | Notable Athletes | |
| Yevgeniy Gavrilenko | m | Olympic Medalists | |
| Yevgeniy Grishin | m | Olympic Medalists | |
| Yevgeniy Ivchenko | m | Olympic Medalists | |
| Yevgeniy Maskinskov | m | Olympic Medalists | |
| Yevgeniy Mironov | m | Olympic Medalists | |
| Yevgeniy Saltsyn | m | Olympic Medalists | |
| Yevgeniy Seredin | m | Olympic Medalists | |
| Yevgeniy Sharonov | m | Olympic Medalists | |
| Yevgeniya Kanayeva | f | Notable Athletes, Olympic Medalists | |
| Yevgeniya Medvedeva | f | Olympic Medalists | |
| Yevgeniya Polyakova | f | Olympic Medalists | |
| Yevgeny Lagunov | m | Olympic Medalists | |
| Yevgeny Lukyanenko | m | Olympic Medalists | |
| Yevgeny Sadovyi | m | Olympic Medalists | |
| Yevhen Arzhanov | m | Olympic Medalists | |
| Fei of Jin | m | Chinese Emperors | |
| Yigal Naor | m | Notable Actors and Entertainers | |
| Wang Yihan | f | Olympic Medalists | |
| Wanli | m | Chinese Emperors | |
| Yıldırım Akbulut | m | Turkish Presidents and Prime Ministers | |
| Fan Yilin | f | Olympic Medalists | |
| Hui of Han | m | Chinese Emperors | |
| Ruzi of Han | m | Chinese Emperors | |
| Shan Ying | f | Olympic Medalists | |
| Zhu Yingwen | f | Olympic Medalists | |
| Yongzheng | m | Chinese Emperors | |
| Yitzhak Navon | m | Israeli Presidents and Prime Ministers | |
| Yitzhak Rabin | m | Israeli Presidents and Prime Ministers, Nobel Prize Winners | |
| Xianfeng | m | Chinese Emperors | |
| Yma Sumac | f | Notable Musicians | |
| Ymar of Reculver | m | Saints | |
| Ymir | m | Characters in Norse Mythology | |
| Yochanan Vollach | m | Notable Athletes | |
| Yoelbi Quesada Fernández | m | Olympic Medalists | |
| Yogi Berra | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Yohan Blake | m | Notable Athletes, Olympic Medalists | |
| Yoichiro Nambu | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Yoko Ono | f | Grammy Award Winners, Notable Artists, Notable Musicians | |
| Yola | f | Notable Musicians | |
| Yolande Donlan | f | Notable Actors and Entertainers | |
| Yolanthe Cabau van Kasbergen | f | Notable Actors and Entertainers | |
| Jin Yong | m | Notable Writers | |
| Zhuang Yong | f | Olympic Medalists | |
| Lee Yong-dae | m | Olympic Medalists | |
| Jang Yong-ho | m | Olympic Medalists | |
| Lee Yong-kyu | m | Olympic Medalists | |
| Yoo Yong-sung | m | Olympic Medalists | |
| Yonten Gyatso | m | Other Religious Leaders | |
| Min "Suga" Yoon-gi | m | Notable Musicians | |
| Yordan Letchkov | m | Notable Athletes | |
| Yordanka Blagoeva | f | Olympic Medalists | |
| Yorelvis Charles | m | Olympic Medalists | |
| Yorick | m | Shakespearian Characters | |
| Yoshi Oyakawa | m | Olympic Medalists | |
| Taisho | m | Japanese Emperors | |
| Yoshinori Ōsumi | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Hongzhi | m | Chinese Emperors | |
| Chongzhen | m | Chinese Emperors | |
| Gil Young-ah | f | Olympic Medalists | |
| Dong "Taeyang" Young-bae | m | Notable Musicians | |
| Hwang Young-cho | m | Olympic Medalists | |
| Kim Young-hee | f | Olympic Medalists | |
| Ko Young-min | m | Olympic Medalists | |
| Yun Young-sook | f | Olympic Medalists | |
| Cho Youn-jeong | f | Olympic Medalists | |
| Youp van 't Hek | m | Notable Actors and Entertainers | |
| Youssou N'Dour | m | Notable Musicians | |
| Tianqi | m | Chinese Emperors | |
| Tu Youyou | f | Nobel Prize Winners, Notable Scientists and Inventors | |
| Yrjö Nikkanen | m | Olympic Medalists | |
| Ysbaddaden | m | Characters in Celtic Mythology | |
| Daizong of Tang | m | Chinese Emperors | |
| Li Yu | m | Chinese Emperors | |
| Jianwen of Jin | m | Chinese Emperors | |
| Yū Suzuki | m | Notable Artists | |
| Xiang Yu | m | Chinese Emperors | |
| Yang Yu | f | Olympic Medalists | |
| Yuan T. Lee | m | Nobel Prize Winners | |
| Gaozu of Tang | m | Chinese Emperors | |
| Hongwu | m | Chinese Emperors | |
| Lin Yue | m | Olympic Medalists | |
| Kang of Jin | m | Chinese Emperors | |
| Chen Yuefang | f | Olympic Medalists | |
| Zhang Yueqin | f | Olympic Medalists | |
| Yukiaki Okabe | m | Olympic Medalists | |
| Yul Brynner | m | Notable Actors and Entertainers, Oscar Award Winners | |
| Yuli Gourriel | m | Olympic Medalists | |
| Yulia Koltunova | f | Olympic Medalists | |
| Yulia Nestsiarenka | f | Olympic Medalists | |
| Yuliya Bogdanova | f | Olympic Medalists | |
| Yuliya Pakhalina | f | Olympic Medalists | |
| Yuliya Petrova | f | Olympic Medalists | |
| Yuliya Skokova | f | Olympic Medalists | |
| Yuliya Sotnikova | f | Olympic Medalists | |
| Yuliya Vasilyeva | f | Olympic Medalists | |
| Cai Yun | m | Olympic Medalists | |
| Nian Yun | f | Olympic Medalists | |
| Lizong of Song | m | Chinese Emperors | |
| Kim Yuna | f | Notable Athletes, Olympic Medalists | |
| Chow Yun-fat | m | Notable Actors and Entertainers | |
| Zhao Yunlei | f | Olympic Medalists | |
| Jianwen | m | Chinese Emperors | |
| Yuri Andropov | m | Other Leaders | |
| Yuri Bashkatov | m | Olympic Medalists | |
| Yuri Gromak | m | Olympic Medalists | |
| Yuri Korneev | m | Olympic Medalists | |
| Yuri Selikhov | m | Olympic Medalists | |
| Yuri Yatsev | m | Olympic Medalists | |
| Yuriko Handa | f | Olympic Medalists | |
| Yuriy | m | Russian Grand Dukes and Tsars | |
| Yuriy I Dolgorukiy | m | Russian Grand Dukes and Tsars | |
| Yuriy II | m | Russian Grand Dukes and Tsars | |
| Yuriy Bilonoh | m | Olympic Medalists | |
| Yuriy Grigorovsky | m | Olympic Medalists | |
| Yuriy Konovalov | m | Olympic Medalists | |
| Yuriy Kunakov | m | Olympic Medalists | |
| Yuriy Kutsenko | m | Olympic Medalists | |
| Yuriy Lituyev | m | Olympic Medalists | |
| Yuriy Ozerov | m | Olympic Medalists | |
| Yuriy Sedykh | m | Notable Athletes, Olympic Medalists | |
| Yuriy Shlyapin | m | Olympic Medalists | |
| Yury Mukhin | m | Olympic Medalists | |
| Sir Yvain | m | Arthurian Characters | |
| Yvan Cournoyer | m | Hall-of-Famers, Notable Athletes | |
| Yves Montand | m | Notable Actors and Entertainers, Notable Musicians | |
| Yvette Carte-Blanche | f | Fictional Characters from Television | |
| Yvette Williams | f | Olympic Medalists | |
| Zaavan | m | Biblical Characters | |
| Zabbai | m | Biblical Characters | |
| Zabbai | m | Biblical Characters | |
| Zabbud | m | Biblical Characters | |
| Zabdiel | m | Biblical Characters | |
| Zabdiel | m | Biblical Characters | |
| Zabud | m | Biblical Characters | |
| Zac Efron | m | Notable Actors and Entertainers | |
| Zac Hanson | m | Notable Musicians | |
| Zac Meier | m | Fictional Characters from Books | |
| Zac Purchase | m | Olympic Medalists | |
| Zac Zorn | m | Olympic Medalists | |
| Zaccai | m | Biblical Characters | |
| Zacchaeus | m | Biblical Characters | |
| Zach Braff | m | Notable Actors and Entertainers | |
| Zach Dempsey | m | Fictional Characters from Books, Fictional Characters from Television | |
| Zach Florrick | m | Fictional Characters from Television | |
| Zach Galifianakis | m | Notable Actors and Entertainers | |
| Zach Roerig | m | Notable Actors and Entertainers | |
| Zach Van Gerbig | m | Fictional Characters from Television | |
| Zach Young | m | Fictional Characters from Television | |
| Zacharias Kunuk | m | Notable Filmmakers | |
| Zacharias Smith | m | Harry Potter Characters | |
| Zachary Taylor | m | American Presidents | |
| Zachery Ty Bryan | m | Notable Actors and Entertainers | |
| Zack Addy | m | Fictional Characters from Television | |
| Zack Brady | m | Fictional Characters from Television | |
| Zack de la Rocha | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Zack Morris | m | Fictional Characters from Television | |
| Zack Nichols | m | Fictional Characters from Television | |
| Zack Snyder | m | Notable Filmmakers | |
| Zack Test | m | Notable Athletes | |
| Zack Wheat | m | Hall-of-Famers | |
| Zadie Smith | f | Notable Writers | |
| Zadok | m | Biblical Characters | |
| Zagreus | m | Characters in Greek Mythology | |
| Zaham | m | Biblical Characters | |
| Tongzhi | m | Chinese Emperors | |
| Guangxu | m | Chinese Emperors | |
| Zak DeOssie | m | Notable Athletes | |
| Zakir Hussain | m | Notable Musicians | |
| Zalaph | m | Biblical Characters | |
| Zalmon | m | Biblical Characters | |
| Zalmunna | m | Biblical Characters | |
| Zane Grey | m | Notable Writers | |
| Zanna | m | Fictional Characters from Plays and Musicals | |
| Zanoah | m | Biblical Characters | |
| Zaphod Beeblebrox | m | Fictional Characters from Books | |
| Zara Phillips | f | Olympic Medalists | |
| Zari Elmassian | f | Notable Musicians | |
| Žarko Paspalj | m | Olympic Medalists | |
| Žarko Potočnjak | m | Notable Actors and Entertainers | |
| Žarko Varajić | m | Olympic Medalists | |
| Zattu | m | Biblical Characters | |
| Zawe Ashton | f | Notable Actors and Entertainers | |
| Zaza | m | Biblical Characters | |
| Zbigniew | m | Polish High Dukes and Kings | |
| Zbigniew Boniek | m | Notable Athletes | |
| Zdenka Cecília Schelingová | f | Saints | |
| Zdeslav Vrdoljak | m | Olympic Medalists | |
| Zdravko Čolić | m | Notable Musicians | |
| Zdravko Kovačić | m | Olympic Medalists | |
| Zdravko Radulović | m | Olympic Medalists | |
| Zdzisław Krzyszkowiak | m | Olympic Medalists | |
| Zeb "Grandpa" Walton | m | Fictional Characters from Movies, Fictional Characters from Television | |
| Zebah | m | Biblical Characters | |
| Zebedee | m | Biblical Characters | |
| Zebidah | f | Biblical Characters | |
| Zebina | m | Biblical Characters | |
| Zebul | m | Biblical Characters | |
| Zebulun | m | Biblical Characters | |
| Zechariah | m | Biblical Characters, Saints | |
| Zechariah | m | Biblical Characters, Israelite and Judean Kings | |
| Zechariah | m | Biblical Characters | |
| Zechis | m | Characters in Greek Mythology | |
| Zedekiah | m | Biblical Characters, Israelite and Judean Kings | |
| Mao Zedong | m | Other Leaders | |
| Zeeb | m | Biblical Characters | |
| Zefirino Agostini | m | Saints | |
| Zeke Anderson | m | Fictional Characters from Television | |
| Zeke Carey | m | Rock and Roll Hall-of-Famers | |
| Zelda Spellman | f | Fictional Characters from Books, Fictional Characters from Television | |
| Zelek | m | Biblical Characters | |
| Željko Bebek | m | Notable Musicians | |
| Željko Obradović | m | Olympic Medalists | |
| Zelophehad | m | Biblical Characters | |
| Zelus | m | Characters in Greek Mythology | |
| Zemira | m | Biblical Characters | |
| Zena Marshall | f | Notable Actors and Entertainers | |
| Zendaya | f | Emmy Award Winners, Notable Actors and Entertainers, Notable Musicians | |
| Zenny de Azevedo | m | Olympic Medalists | |
| Zeno | m | Saints | |
| Zeno | m | Saints | |
| Zeno of Citium | m | Notable Philosophers and Thinkers | |
| Zeno of Elea | m | Notable Philosophers and Thinkers | |
| Zeno of Verona | m | Saints | |
| Zenon of Ikalto | m | Saints | |
| Zepho | m | Biblical Characters | |
| Zephyrinus | m | Bishops of Rome and the Popes, Saints | |
| Zephyrus | m | Characters in Greek Mythology | |
| Zerahiah | m | Biblical Characters | |
| Zerahiah | m | Biblical Characters | |
| Zeresh | f | Biblical Characters | |
| Zereth | m | Biblical Characters | |
| Zeri | m | Biblical Characters | |
| Zeror | m | Biblical Characters | |
| Zersenay Tadese | m | Olympic Medalists | |
| Zeruah | f | Biblical Characters | |
| Zerubbabel | m | Biblical Characters | |
| Zeruiah | f | Biblical Characters | |
| Zetes | m | Characters in Greek Mythology | |
| Zetham | m | Biblical Characters | |
| Zethan | m | Biblical Characters | |
| Zethar | m | Biblical Characters | |
| Zethus | m | Characters in Greek Mythology | |
| Zeus | m | Biblical Characters, Characters in Greek Mythology | |
| Zev Siegl | m | Notable Businesspeople | |
| Jingzong of Tang | m | Chinese Emperors | |
| Wu Zetian | f | Chinese Emperors | |
| Zhelyu Zhelev | m | Bulgarian Presidents and Prime Ministers | |
| Renzong of Song | m | Chinese Emperors | |
| Zhao Zheng "Qin Shi Huang" | m | Chinese Emperors | |
| Gaozong of Tang | m | Chinese Emperors | |
| Zhores Alferov | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Yu Zhuocheng | m | Olympic Medalists | |
| Zia | m | Biblical Characters | |
| Zia Mohyeddin | m | Notable Actors and Entertainers | |
| Ziba | m | Biblical Characters | |
| Zibeon | m | Biblical Characters | |
| Zibeon | m | Biblical Characters | |
| Zibia | m | Biblical Characters | |
| Zibiah | f | Biblical Characters | |
| Zico | m | Notable Athletes | |
| Liu Zige | f | Olympic Medalists | |
| Ziha | m | Biblical Characters | |
| Ziha | m | Biblical Characters | |
| Zillah | f | Biblical Characters | |
| Zillethai | m | Biblical Characters | |
| Zillethai | m | Biblical Characters | |
| Zilpah | f | Biblical Characters | |
| Zimran | m | Biblical Characters | |
| Ar-Zimrathôn | m | Tolkien's Characters | |
| Zimri | m | Biblical Characters | |
| Zimri | m | Biblical Characters | |
| Zimri | m | Biblical Characters, Israelite and Judean Kings | |
| Zimri | m | Biblical Characters | |
| Zimri | m | Biblical Characters | |
| Zindzi Mandela | f | Notable Politicians and Statespeople | |
| Zinedine Zidane | m | Notable Athletes | |
| Zinovios Valvis | m | Greek Prime Ministers | |
| Ziph | m | Biblical Characters | |
| Ziph | m | Biblical Characters | |
| Ziphah | m | Biblical Characters | |
| Ziphion | m | Biblical Characters | |
| Zippor | m | Biblical Characters | |
| Zipporah | f | Biblical Characters | |
| Ziva David | f | Fictional Characters from Television | |
| Ziya Doğan | m | Notable Athletes | |
| Ziza | m | Biblical Characters | |
| Ziza | m | Biblical Characters | |
| Ziza | m | Biblical Characters | |
| Zlatan Stipišić | m | Notable Musicians | |
| Zlatko Kranjčar | m | Notable Athletes | |
| Zlatko Saračević | m | Notable Athletes, Olympic Medalists | |
| Zobebah | m | Biblical Characters | |
| Zoe | f | Saints | |
| Zoe | f | Roman and Byzantine Emperors | |
| Zoe | f | Fictional Characters from Television | |
| Zoe Akins | f | Notable Writers, Pulitzer Award Winners | |
| Zoe Benson | f | Fictional Characters from Television | |
| Zoe Callas | f | Fictional Characters from Television | |
| Zoë Heller | f | Notable Writers | |
| Zoë Kravitz | f | Notable Actors and Entertainers | |
| Zoe Manning | f | Fictional Characters from Television | |
| Zoe Ann Olsen-Jensen | f | Olympic Medalists | |
| Zoeteus | m | Characters in Greek Mythology | |
| Zoey Johnson | f | Fictional Characters from Television | |
| Zohar | m | Biblical Characters | |
| Zohar | m | Biblical Characters | |
| Zoheth | m | Biblical Characters | |
| Zoilo Versalles | m | Most Valuable Players | |
| Zoltán Béres | m | Olympic Medalists | |
| Zoltán Dömötör | m | Olympic Medalists | |
| Zoltán Halmay | m | Olympic Medalists | |
| Zoltán Kásás | m | Olympic Medalists | |
| Zoltán Verrasztó | m | Olympic Medalists | |
| Yingzong of Song | m | Chinese Emperors | |
| Zophah | m | Biblical Characters | |
| Zophai | m | Biblical Characters | |
| Zophar | m | Biblical Characters | |
| Zoran Janković | m | Olympic Medalists | |
| Zoran Marojević | m | Olympic Medalists | |
| Zoran Mikulić | m | Notable Athletes, Olympic Medalists | |
| Zoran Savić | m | Olympic Medalists | |
| Zoran Slavnić | m | Olympic Medalists | |
| Zorica Ðurković | f | Olympic Medalists | |
| Zoroaster | m | Notable Philosophers and Thinkers | |
| Zosimus of Cilicia | m | Saints | |
| Zoticus | m | Saints | |
| Zsolt Varga | m | Olympic Medalists | |
| Zhi of Han | m | Chinese Emperors | |
| Zuar | m | Biblical Characters | |
| Zula | f | Fictional Characters from Song Titles | |
| Zuleika Dobson | f | Fictional Characters from Books | |
| Ai of Tang | m | Chinese Emperors | |
| Zuph | m | Biblical Characters | |
| Zur | m | Biblical Characters | |
| Zur | m | Biblical Characters | |
| Zurab Noghaideli | m | Georgian Presidents and Prime Ministers | |
| Zurab Sakandelidze | m | Olympic Medalists | |
| Zurab Zhvania | m | Georgian Presidents and Prime Ministers | |
| Zuriel | m | Biblical Characters | |
| Zurishaddai | m | Biblical Characters | |
| Zviad Gamsakhurdia | m | Georgian Presidents and Prime Ministers | |
| Zygmunt I the Old | m | Polish High Dukes and Kings | |
| Zygmunt II Augustus | m | Polish High Dukes and Kings | |
| Zygmunt Szczęsny Feliński | m | Saints | |
| Zygmunt Gorazdowski | m | Saints | |