| Name | Gender | Categories | |
|---|
| John Browdie | m | Fictional Characters from Books |  |
| John Cage | m | Fictional Characters from Television | |
| John Cale | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| John Carlos | m | Olympic Medalists | |
| John Carter | m | Fictional Characters from Television | |
| John Chaney | m | Hall-of-Famers | |
| John Cheever | m | Notable Writers, Pulitzer Award Winners | |
| John Clarkson | m | Hall-of-Famers | |
| John Clawson | m | Olympic Medalists | |
| John Cleese | m | Notable Actors and Entertainers | |
| John Cockcroft | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| J. M. Coetzee | m | Nobel Prize Winners, Notable Writers | |
| John Baptist Con | m | Saints | |
| John Constable | m | Notable Artists | |
| John Corbett | m | Notable Actors and Entertainers | |
| John Cornelius | m | Saints | |
| John Cornforth | m | Nobel Prize Winners | |
| John D. Cort | m | Fictional Characters from Television | |
| John Curtin | m | Australian Prime Ministers | |
| John Cusack | m | Notable Actors and Entertainers | |
| John Dalton | m | Notable Scientists and Inventors | |
| John Daly | m | Olympic Medalists | |
| John Dashwood | m | Fictional Characters from Books | |
| John Dat | m | Saints | |
| John Davies | m | Olympic Medalists | |
| John Deacon | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| John de Lancie | m | Notable Actors and Entertainers | |
| John de Mol | m | Notable Businesspeople | |
| John Derbyshire | m | Olympic Medalists | |
| John Devitt | m | Olympic Medalists | |
| John Dewey | m | Notable Philosophers and Thinkers | |
| John Diefenbaker | m | Canadian Prime Ministers | |
| John Dillinger | m | Notable Evildoers | |
| John Dirks | m | Notable Artists | |
| John Disley | m | Olympic Medalists | |
| John "Paddy" Driscoll | m | Hall-of-Famers | |
| John III Ducas Vatatzes | m | Roman and Byzantine Emperors, Saints | |
| John Duckett | m | Saints | |
| John Eccles | m | Nobel Prize Winners | |
| John Casimir Ehrnrooth | m | Bulgarian Presidents and Prime Ministers | |
| John Eisele | m | Olympic Medalists | |
| John Eke | m | Olympic Medalists | |
| John Elway | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| John Franklin Enders | m | Nobel Prize Winners | |
| John Entwistle | m | Rock and Roll Hall-of-Famers | |
| John Felton | m | Saints | |
| John Fenn | m | Nobel Prize Winners | |
| John Ferris | m | Olympic Medalists | |
| John Fingley | m | Saints | |
| John Fisher | m | Saints | |
| John Flanagan | m | Olympic Medalists | |
| John Fogerty | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| John Ford | m | Notable Filmmakers, Oscar Award Winners | |
| John Forest | m | Saints | |
| John Franklin | m | Notable Explorers and Adventurers | |
| John Wayne Gacy | m | Notable Evildoers | |
| John Galsworthy | m | Nobel Prize Winners, Notable Writers | |
| John Garrels | m | Olympic Medalists | |
| John Gavan | m | Saints | |
| John Gielgud | m | Notable Actors and Entertainers, Oscar Award Winners, Tony Award Winners | |
| John Glenn | m | Notable Explorers and Adventurers | |
| John Glover | m | Notable Actors and Entertainers | |
| John Godina | m | Olympic Medalists | |
| John Goodman | m | Notable Actors and Entertainers | |
| John Gorton | m | Australian Prime Ministers | |
| John Greer | m | Fictional Characters from Television | |
| John Grieb | m | Olympic Medalists | |
| John Gualbert | m | Saints | |
| John Gurdon | m | Nobel Prize Winners | |
| John Hagen | m | Fictional Characters from Television | |
| John L. Hall | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| John Hamilton | m | Fictional Characters from Television | |
| John Hannah | m | Hall-of-Famers | |
| John Hargis | m | Olympic Medalists | |
| John Harsanyi | m | Nobel Prize Winners | |
| John Havlicek | m | Hall-of-Famers, Notable Athletes | |
| John Heard | m | Notable Actors and Entertainers | |
| John Herschel | m | Notable Scientists and Inventors | |
| John Hersey | m | Notable Writers, Pulitzer Award Winners | |
| John Hicks | m | Nobel Prize Winners | |
| John Holland | m | Olympic Medalists | |
| John Lee Hooker | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| John Houghton | m | Saints | |
| John Houseman | m | Notable Actors and Entertainers, Oscar Award Winners | |
| John Howard | m | Australian Prime Ministers | |
| John Hughes | m | Notable Filmmakers | |
| John Hume | m | Nobel Prize Winners | |
| John Hurt | m | Notable Actors and Entertainers | |
| John Huston | m | Notable Filmmakers, Oscar Award Winners | |
| John Illsley | m | Rock and Roll Hall-of-Famers | |
| John Irvin | m | Fictional Characters from Television | |
| John Isaacs | m | Hall-of-Famers | |
| John Jansson | m | Olympic Medalists | |
| John Arthur Jarvis | m | Olympic Medalists | |
| John Henry Johnson | m | Hall-of-Famers | |
| John Jones | m | Saints | |
| John Paul Jones | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| John Keats | m | Notable Writers | |
| John Keller | m | Olympic Medalists | |
| John Kelly | m | Fictional Characters from Television | |
| John Kendrew | m | Nobel Prize Winners | |
| John F. Kennedy | m | American Presidents | |
| John Maynard Keynes | m | Notable Philosophers and Thinkers | |
| J. Michael Kosterlitz | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| J. T. Lambert | m | Fictional Characters from Television | |
| John Landy | m | Olympic Medalists | |
| John Larke | m | Saints | |
| John Ledyard | m | Notable Explorers and Adventurers | |
| John Lithgow | m | Emmy Award Winners, Notable Actors and Entertainers | |
| John Ljunggren | m | Olympic Medalists | |
| John Henry Lloyd | m | Hall-of-Famers | |
| John Loaring | m | Olympic Medalists | |
| John Locke | m | Notable Philosophers and Thinkers | |
| John Locke | m | Fictional Characters from Television | |
| John Lydon | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| John Lynch | m | Notable Actors and Entertainers | |
| John A. Macdonald | m | Canadian Prime Ministers | |
| John Macionis | m | Olympic Medalists | |
| John Mackey | m | Hall-of-Famers | |
| John James Rickard Macleod | m | Nobel Prize Winners | |
| John Madden | m | Hall-of-Famers | |
| John Maguire | m | Fictional Characters from Television | |
| John Major | m | British Prime Ministers | |
| John Malkovich | m | Notable Actors and Entertainers | |
| John C. Mather | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| John McEnroe | m | Notable Athletes | |
| John McEwen | m | Australian Prime Ministers | |
| John McGraw | m | Hall-of-Famers | |
| John McKay | m | Fictional Characters from Television | |
| John McLean | m | Olympic Medalists | |
| John "Bid" McPhee | m | Hall-of-Famers | |
| John McVie | m | Rock and Roll Hall-of-Famers | |
| John Mikaelsson | m | Olympic Medalists | |
| John Stuart Mill | m | Notable Philosophers and Thinkers | |
| John Mills | m | Notable Actors and Entertainers, Oscar Award Winners | |
| John Milton | m | Notable Writers | |
| John Moffitt | m | Olympic Medalists | |
| John Mott | m | Nobel Prize Winners | |
| John Murphy | m | Notable Musicians | |
| John Mykkanen | m | Olympic Medalists | |
| John Mary Mzec | m | Saints | |
| John Napier | m | Notable Philosophers and Thinkers | |
| John Forbes Nash Jr. | m | Nobel Prize Winners, Notable Philosophers and Thinkers | |
| John Nelson | m | Saints | |
| John Neumann | m | Saints | |
| John Ngugi | m | Olympic Medalists | |
| John Nolan | m | Notable Actors and Entertainers | |
| John Howard Northrop | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| John Ogilvie | m | Saints | |
| John O'Keefe | m | Nobel Prize Winners | |
| John Oxley | m | Notable Explorers and Adventurers | |
| John V Palaeologus | m | Roman and Byzantine Emperors | |
| John Phillips Marquand | m | Notable Writers, Pulitzer Award Winners | |
| John Pibush | m | Saints | |
| John Plessington | m | Saints | |
| John Polanyi | m | Nobel Prize Winners | |
| John Pople | m | Nobel Prize Winners | |
| John Powell | m | Olympic Medalists | |
| John Wesley Powell | m | Notable Explorers and Adventurers | |
| John James "Mr. Big" Preston | m | Fictional Characters from Television | |
| John Rambo | m | Olympic Medalists | |
| John Randle | m | Hall-of-Famers | |
| John Reed | m | Notable Journalists, Notable Writers | |
| John Reese | m | Fictional Characters from Television | |
| John Regis | m | Olympic Medalists | |
| John Rigby | m | Saints | |
| John Riggins | m | Hall-of-Famers | |
| John Rimmer | m | Olympic Medalists | |
| John Ritter | m | Emmy Award Winners, Notable Actors and Entertainers | |
| John Roberts | m | Saints | |
| John Roche | m | Saints | |
| John Rochester | m | Saints | |
| John Roosma | m | Hall-of-Famers | |
| John Rowland | m | Fictional Characters from Television | |
| John Shipley Rowlinson | m | Notable Scientists and Inventors | |
| John Ruskin | m | Notable Writers | |
| John "Honey" Russell | m | Hall-of-Famers | |
| John Sandys | m | Saints | |
| John Schlesinger | m | Notable Filmmakers, Oscar Award Winners | |
| John Schommer | m | Hall-of-Famers | |
| John Robert Schrieffer | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| John Scott | m | Fictional Characters from Television | |
| John Shert | m | Saints | |
| John Sherwood | m | Olympic Medalists | |
| John Speed | m | Saints | |
| John Hanning Speke | m | Notable Explorers and Adventurers | |
| John Stallworth | m | Hall-of-Famers | |
| John Steel | m | Rock and Roll Hall-of-Famers | |
| John Steffensen | m | Olympic Medalists | |
| John Steinbeck | m | Nobel Prize Winners, Notable Writers, Pulitzer Award Winners | |
| John Lloyd Stephens | m | Notable Explorers and Adventurers | |
| John Stephens | m | Olympic Medalists | |
| John Stillman | m | Fictional Characters from Television | |
| John Stockton | m | Hall-of-Famers, Notable Athletes, Olympic Medalists | |
| John Stones | m | Notable Athletes | |
| John Story | m | Saints | |
| John Strutt, Lord Rayleigh | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| John McDouall Stuart | m | Notable Explorers and Adventurers | |
| John Stuart | m | British Prime Ministers | |
| John Sulston | m | Nobel Prize Winners | |
| John Tavares | m | Olympic Medalists | |
| John Taylor | m | Rock and Roll Hall-of-Famers | |
| John Taylor | m | Other Religious Leaders | |
| John Taylor Jr. | m | Olympic Medalists | |
| John Theristus | m | Saints | |
| John "Cat" Thompson | m | Hall-of-Famers | |
| John Sparrow David Thompson | m | Canadian Prime Ministers | |
| John Thompson | m | Hall-of-Famers | |
| John Thorpe | m | Fictional Characters from Books | |
| John Thules | m | Saints | |
| J. R. R. Tolkien | m | Notable Writers | |
| John Kennedy Toole | m | Notable Writers, Pulitzer Award Winners | |
| John Tracy | m | Fictional Characters from Television | |
| John Travolta | m | Notable Actors and Entertainers | |
| John Treacy | m | Olympic Medalists | |
| John Tui | m | Notable Actors and Entertainers | |
| John Turner | m | Canadian Prime Ministers | |
| John Tyler | m | American Presidents | |
| John Updike | m | Notable Writers, Pulitzer Award Winners | |
| John Vane | m | Nobel Prize Winners | |
| John Hasbrouck Van Vleck | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| John von Neumann | m | Notable Philosophers and Thinkers | |
| John Waite | m | Notable Musicians | |
| John E. Walker | m | Nobel Prize Winners | |
| John Walker | m | Olympic Medalists | |
| John "John-Boy" Walton Jr. | m | Fictional Characters from Movies, Fictional Characters from Television | |
| John Walton Sr. | m | Fictional Characters from Movies, Fictional Characters from Television | |
| John Montgomery Ward | m | Hall-of-Famers | |
| John Warren | m | Fictional Characters from Television | |
| John Wayne | m | Notable Actors and Entertainers, Oscar Award Winners | |
| John Westbrook | m | Notable Actors and Entertainers | |
| John Willoughby | m | Fictional Characters from Books | |
| John Winchester | m | Fictional Characters from Television | |
| John Witherspoon | m | Notable Actors and Entertainers | |
| John Wood | m | Notable Actors and Entertainers | |
| John Wooden | m | Hall-of-Famers, Notable Athletes | |
| John Woodruff | m | Olympic Medalists | |
| John Yi Yun-il | m | Saints | |
| John Yossarian | m | Fictional Characters from Books | |
| John Zander | m | Olympic Medalists | |
| Johnny Bench | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Johnny Bower | m | Hall-of-Famers, Notable Athletes | |
| Johnny Bucyk | m | Hall-of-Famers, Notable Athletes | |
| Johnny Depp | m | Notable Actors and Entertainers | |
| Johnny Evers | m | Hall-of-Famers, Notable Athletes | |
| Johnny "Blood" McNally | m | Hall-of-Famers | |
| Johnny Mize | m | Hall-of-Famers, Notable Athletes | |
| Johnny Moore | m | Rock and Roll Hall-of-Famers | |
| Johnny Morgan | m | Fictional Characters from Television | |
| Johnny Unitas | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Johnny Weissmuller | m | Notable Actors and Entertainers, Notable Athletes, Olympic Medalists | |
| Joiarib | m | Biblical Characters | |
| Joiarib | m | Biblical Characters | |
| Joiarib | m | Biblical Characters | |
| Joiarib | m | Biblical Characters | |
| Jolán Kleiber-Kontsek | f | Olympic Medalists | |
| Jón Ögmundsson | m | Saints | |
| Jon Anderson | m | Rock and Roll Hall-of-Famers | |
| Jon Bernthal | m | Notable Actors and Entertainers | |
| Jon Bon Jovi | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Jon A. Drummond | m | Olympic Medalists | |
| Jon Koncak | m | Olympic Medalists | |
| Jon Lord | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Jon Olsen | m | Olympic Medalists | |
| Jon Rauch | m | Olympic Medalists | |
| Jon Schofield | m | Olympic Medalists | |
| Jon Svendsen | m | Olympic Medalists | |
| Jon Voight | m | Notable Actors and Entertainers, Oscar Award Winners | |
| Jonah Lomu | m | Notable Athletes | |
| Jonas Høgh-Christensen | m | Olympic Medalists | |
| Jonas Rey | m | Fictional Characters from Television | |
| Jonas Salk | m | Notable Scientists and Inventors | |
| Jonathan Bower | m | Fictional Characters from Television | |
| Jonathan Brownlee | m | Olympic Medalists | |
| Jonathan Cleveland | m | Olympic Medalists | |
| Jonathan Coy | m | Notable Actors and Entertainers | |
| Jonathan Demme | m | Notable Filmmakers, Oscar Award Winners | |
| Jonathan Joseph | m | Notable Athletes | |
| Jonathan Majors | m | Notable Actors and Entertainers | |
| Jonathan Nolan | m | Notable Filmmakers | |
| Jonathan Ross | m | Notable Actors and Entertainers | |
| Jonathan Sexton | m | Notable Athletes | |
| Jonathan Swift | m | Notable Writers | |
| Jonathan Turner | m | Fictional Characters from Television | |
| Jonathan Walters | m | Notable Athletes | |
| Jonathan Winters | m | Notable Actors and Entertainers | |
| Kim Jong-il | m | Other Leaders | |
| Rim Jong-sim | f | Olympic Medalists | |
| Kim Jong-un | m | Other Leaders | |
| Joni Mitchell | f | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Jonni Myyrä | m | Olympic Medalists | |
| Jonny Evans | m | Notable Athletes | |
| Jonny Gray | m | Notable Athletes | |
| Jonny Greenwood | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Jonny Williams | m | Notable Athletes | |
| Jöns Jacob Berzelius | m | Notable Scientists and Inventors | |
| Jordan of Saxony | m | Saints | |
| Jordan Cavanaugh | f | Fictional Characters from Television | |
| Jordan Henderson | m | Notable Athletes | |
| Jordan Tate | f | Fictional Characters from Television | |
| Jordan Wethersby | m | Fictional Characters from Television | |
| Jordi Sans | m | Olympic Medalists | |
| Jörg Drehmel | m | Olympic Medalists | |
| Jörg Freimuth | m | Olympic Medalists | |
| Jörg Pfeifer | m | Olympic Medalists | |
| Jörg Vaihinger | m | Olympic Medalists | |
| Jörg Woithe | m | Olympic Medalists | |
| Jorge Fumero | m | Olympic Medalists | |
| Jorge Garbajosa | m | Olympic Medalists | |
| Jorge Llopart Ribas | m | Olympic Medalists | |
| Jorge Payá | m | Olympic Medalists | |
| Jorma Kinnunen | m | Olympic Medalists | |
| Jorma Valkama | m | Olympic Medalists | |
| Josaphat Kotsylovsky | m | Saints | |
| Josaphat Kuntsevych | m | Saints | |
| Josaphata Hordashevska | f | Saints | |
| José de Anchieta | m | Saints | |
| José I the Reformer | m | Portuguese Kings and Queens | |
| José Manuel Abascal | m | Olympic Medalists | |
| José Manuel Beirán | m | Olympic Medalists | |
| José Bonaparte | m | Spanish Kings and Queens | |
| José da Gama Carneiro e Sousa | m | Portuguese Presidents and Prime Ministers | |
| José Domingues dos Santos | m | Portuguese Presidents and Prime Ministers | |
| José Echegaray | m | Nobel Prize Winners, Notable Writers | |
| José Ferrer | m | Notable Actors and Entertainers, Oscar Award Winners | |
| José Giménez | m | Notable Athletes | |
| José Ibar | m | Olympic Medalists | |
| José P. Laurel | m | Other Leaders | |
| José Malcampo | m | Spanish Prime Ministers | |
| José Méndez | m | Hall-of-Famers | |
| José Mourinho | m | Notable Athletes | |
| José Nasazzi | m | Notable Athletes | |
| José Ramos Preto | m | Portuguese Presidents and Prime Ministers | |
| José Ramos-Horta | m | Nobel Prize Winners | |
| José María Rubio y Peralta | m | Saints | |
| José Sánchez del Río | m | Saints | |
| José Saramago | m | Nobel Prize Winners, Notable Writers | |
| José Edvar Simões | m | Olympic Medalists | |
| Josef Emanuel of Liechtenstein | m | Other Royalty | |
| Josef Doležal | m | Olympic Medalists | |
| Josef Dostál | m | Olympic Medalists | |
| Josef Masopust | m | Notable Athletes | |
| Josef Odložil | m | Olympic Medalists | |
| Josef Šural | m | Notable Athletes | |
| Josef Ternström | m | Olympic Medalists | |
| Josefin Lillhage | f | Olympic Medalists | |
| Josemaría Escrivá | m | Saints | |
| Josep Manyanet i Vives | m | Saints | |
| Josep Maria Margall | m | Olympic Medalists | |
| Josep Pintat-Solans | m | Other Leaders | |
| Joseph Abibos | m | Saints | |
| Joseph Hien Quang Do | m | Saints | |
| Joseph I | m | Austrian Dukes and Emperors, Bohemian Kings, German Kings and Holy Roman Emperors, Hungarian Kings and Queens | |
| Joseph Justus | m | Biblical Characters, Saints | |
| Joseph of Arimathea | m | Biblical Characters, Saints | |
| Joseph of Volokolamsk | m | Saints | |
| Joseph the Hymnographer | m | Saints | |
| Joseph Thi Dang Le | m | Saints | |
| Joseph Vien Dinh Dang | m | Saints | |
| Joseph Bernardo | m | Olympic Medalists | |
| Joseph Bertrand | m | Olympic Medalists | |
| Joseph Brennan | m | Hall-of-Famers | |
| Joseph Brodsky | m | Nobel Prize Winners, Notable Writers | |
| Joseph "Geezer" Butler | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Joseph Campbell | m | Notable Philosophers and Thinkers | |
| Joseph Carr | m | Hall-of-Famers | |
| Joseph Cludts | m | Olympic Medalists | |
| Joseph Conrad | m | Notable Writers | |
| Joseph Cook | m | Australian Prime Ministers | |
| Joseph De Combe | m | Olympic Medalists | |
| Joseph Dreher | m | Olympic Medalists | |
| Joseph Erlanger | m | Nobel Prize Winners | |
| Joseph Fiennes | m | Notable Actors and Entertainers | |
| Joseph Fourier | m | Notable Philosophers and Thinkers | |
| Joseph Freinademetz | m | Saints | |
| Joseph Louis Gay-Lussac | m | Notable Scientists and Inventors | |
| Joseph Gérard | m | Saints | |
| Joseph Goebbels | m | German Chancellors and Presidents, Notable Evildoers | |
| Joseph L. Goldstein | m | Nobel Prize Winners | |
| Joseph Gribble | m | Fictional Characters from Television | |
| Joseph Guillemot | m | Olympic Medalists | |
| Joseph Heller | m | Notable Writers | |
| Joseph Hermans | m | Olympic Medalists | |
| Joseph Marie Jacquard | m | Notable Scientists and Inventors | |
| Joseph Keter | m | Olympic Medalists | |
| Joseph Khang | m | Saints | |
| Joseph Louis Lagrange | m | Notable Philosophers and Thinkers | |
| Joseph Lyons | m | Australian Prime Ministers | |
| Joseph Mahmoud | m | Olympic Medalists | |
| Joseph L. Mankiewicz | m | Notable Filmmakers, Oscar Award Winners | |
| Joseph Marchand | m | Saints | |
| Joseph Morgan | m | Notable Actors and Entertainers | |
| Joseph Mukasa | m | Saints | |
| Joseph Murray | m | Nobel Prize Winners | |
| Joseph Pearman | m | Olympic Medalists | |
| Joseph Pholien | m | Belgian Prime Ministers | |
| Joseph Nemours Pierre-Louis | m | Haitian Presidents | |
| Joseph Pletinckx | m | Olympic Medalists | |
| Joseph Rotblat | m | Nobel Prize Winners | |
| Joseph Schildkraut | m | Notable Actors and Entertainers, Oscar Award Winners | |
| Joseph Schumpeter | m | Notable Philosophers and Thinkers | |
| Joseph Sedley | m | Fictional Characters from Books | |
| Joseph "Run" Simmons | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Joseph Stalin | m | Notable Evildoers, Other Leaders | |
| Joseph Stiglitz | m | Nobel Prize Winners, Notable Philosophers and Thinkers | |
| Joseph Hooton Taylor Jr. | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Joseph Davilmar Théodore | m | Haitian Presidents | |
| J. J. Thomson | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| J. M. W. Turner | m | Notable Artists | |
| Joseph Vargas | m | Olympic Medalists | |
| Joseph Vaz | m | Saints | |
| Joseph Wirth | m | German Chancellors and Presidents | |
| Joséphine of Belgium | f | Other Royalty | |
| Josephine Bakhita | f | Saints | |
| Josephine Hull | f | Notable Actors and Entertainers, Oscar Award Winners | |
| Josephine Johnson | f | Pulitzer Award Winners | |
| Josephine Sticker | f | Olympic Medalists | |
| Josephus | m | Notable Philosophers and Thinkers | |
| Josette Simon | f | Notable Actors and Entertainers | |
| Josh Gibson | m | Hall-of-Famers, Notable Athletes | |
| Josh Greene | m | Fictional Characters from Television | |
| Josh Magennis | m | Notable Athletes | |
| Josh Matthews | m | Fictional Characters from Television | |
| Josh Oppenhol | m | Fictional Characters from Television | |
| Josh Watson | m | Olympic Medalists | |
| Joshua | m | Biblical Characters | |
| Joshua | m | Biblical Characters | |
| Joshua | m | Biblical Characters | |
| Joshua | m | Biblical Characters | |
| Joshua Dunkley-Smith | m | Olympic Medalists | |
| Joshua Lederberg | m | Nobel Prize Winners | |
| Josia Thugwane | m | Olympic Medalists | |
| Josiah Henson | m | Olympic Medalists | |
| Josiah McCracken | m | Olympic Medalists | |
| Josiah Wedgwood | m | Notable Businesspeople | |
| Josias Hartmann | m | Olympic Medalists | |
| Joss Carter | f | Fictional Characters from Television | |
| Joss House | f | Fictional Characters from Television | |
| Jotham | m | Biblical Characters, Israelite and Judean Kings | |
| Jourdan Dunn | f | Notable Actors and Entertainers | |
| Jovan Nenad | m | Serbian Kings, Tsars and Princes | |
| Joy Lass | f | Fictional Characters from Movies, Fictional Characters from Television | |
| Joyce Chepchumba | f | Olympic Medalists | |
| Joyce Cooper | f | Olympic Medalists | |
| Jozabad | m | Biblical Characters | |
| Jozabad | m | Biblical Characters | |
| Jozabad | m | Biblical Characters | |
| Jozabad | m | Biblical Characters | |
| Jozabad | m | Biblical Characters | |
| Jozabad | m | Biblical Characters | |
| Jozabad | m | Biblical Characters | |
| Jozabad | m | Biblical Characters | |
| Jozabad | m | Biblical Characters | |
| Jozabad | m | Biblical Characters | |
| Józef Bilczewski | m | Saints | |
| Jozef Pribilinec | m | Olympic Medalists | |
| Joseph II | m | Austrian Dukes and Emperors, Bohemian Kings, German Kings and Holy Roman Emperors, Hungarian Kings and Queens | |
| József Csermák | m | Olympic Medalists | |
| József Várszegi | m | Olympic Medalists | |
| Juan Carlos I | m | Spanish Kings and Queens | |
| Juan de Ribera | m | Saints | |
| Juan I | m | Spanish Kings and Queens | |
| Juan I | m | Spanish Kings and Queens | |
| Juan II | m | Spanish Kings and Queens | |
| Juan II | m | Spanish Kings and Queens | |
| Juan Macías | m | Saints | |
| Juan Antonio Corbalán | m | Olympic Medalists | |
| Juan de Zavala | m | Spanish Prime Ministers | |
| Juan Diego | m | Saints | |
| Juan Sebastián Elcano | m | Notable Explorers and Adventurers | |
| Juan Carlos García | m | Notable Athletes | |
| Juan Hernangómez | m | Notable Athletes | |
| Juan Ramón Jiménez | m | Nobel Prize Winners, Notable Writers | |
| Juan Manrique | m | Olympic Medalists | |
| Juan Marichal | m | Hall-of-Famers | |
| Juan Morales | m | Olympic Medalists | |
| Juan Ponce de León | m | Notable Explorers and Adventurers | |
| Juan Roca Brunet | m | Olympic Medalists | |
| Juan Ignacio Sánchez | m | Olympic Medalists | |
| Juan Alberto Schiaffino | m | Notable Athletes | |
| Juan Carlos Zabala | m | Olympic Medalists | |
| Juana the Mad | f | Spanish Kings and Queens | |
| Juanita Solis | f | Fictional Characters from Television | |
| Zhang Juanjuan | f | Olympic Medalists | |
| Juanma López Iturriaga | m | Olympic Medalists | |
| Jubal | m | Biblical Characters | |
| Jud Wilson | m | Hall-of-Famers | |
| Judas Cyriacus | m | Saints | |
| Judd Apatow | m | Notable Filmmakers | |
| Judd Hirsch | m | Emmy Award Winners, Notable Actors and Entertainers | |
| Judas Thaddaeus | m | Biblical Characters, Saints | |
| Jude Law | m | Notable Actors and Entertainers | |
| Jude Martin | f | Fictional Characters from Television | |
| Jude Monye | m | Olympic Medalists | |
| Judi Dench | f | Notable Actors and Entertainers, Oscar Award Winners | |
| Judicael ap Hoel | m | Saints | |
| Judith Draper | f | Fictional Characters from Television | |
| Judith Harper-Melnick | f | Fictional Characters from Television | |
| Judy Brooks | f | Fictional Characters from Television | |
| Judy Davis | f | Notable Actors and Entertainers | |
| Judy Garland | f | Grammy Award Winners, Notable Actors and Entertainers, Notable Musicians | |
| Judy Geller | f | Fictional Characters from Television | |
| Judy Grinham | f | Olympic Medalists | |
| Judy Holliday | f | Notable Actors and Entertainers, Oscar Award Winners | |
| Judy Johnson | m | Hall-of-Famers | |
| Judy Lewis | f | Fictional Characters from Television | |
| Judy Winslow | f | Fictional Characters from Television | |
| Juha Tiainen | m | Olympic Medalists | |
| Jules Bordet | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Jules Grévy | m | French Presidents and Prime Ministers | |
| Jules A. Hoffmann | m | Nobel Prize Winners | |
| Jules Keignaert | m | Olympic Medalists | |
| Jules Ladoumègue | m | Olympic Medalists | |
| Jules Malou | m | Belgian Prime Ministers | |
| Jules Renkin | m | Belgian Prime Ministers | |
| Jules Thiry | m | Olympic Medalists | |
| Jules Verbecke | m | Olympic Medalists | |
| Jules Verne | m | Notable Writers | |
| Julia | f | Hurricanes and Tropical Storms | |
| Julia of Corsica | f | Saints | |
| Julia of Merida | f | Saints | |
| Julia Baker | f | Fictional Characters from Television | |
| Julia Bertram | f | Fictional Characters from Books | |
| Julia Butters | f | Notable Actors and Entertainers | |
| Julia Gillard | f | Australian Prime Ministers | |
| Julia Grant | f | American First Ladies | |
| Julia Greville | f | Olympic Medalists | |
| Julia Louis-Dreyfus | f | Emmy Award Winners, Notable Actors and Entertainers | |
| Julia Melville | f | Fictional Characters from Plays and Musicals | |
| Julia Peterkin | f | Pulitzer Award Winners | |
| Julia Ray | f | Fictional Characters from Books | |
| Julia Roberts | f | Notable Actors and Entertainers, Oscar Award Winners | |
| Julia Salinger | f | Fictional Characters from Television | |
| Julia Sawalha | f | Notable Actors and Entertainers | |
| Julia Smit | f | Olympic Medalists | |
| Julia Stowers | f | Olympic Medalists | |
| Julia Tyler | f | American First Ladies | |
| Julian of Antioch | m | Saints | |
| Julian of Sora | m | Saints | |
| Julian Barnes | m | Notable Writers | |
| Julian Huxley | m | Notable Scientists and Inventors | |
| Julian Ovenden | m | Notable Actors and Entertainers | |
| Julian Schwinger | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Juliana of Mount Cornillon | f | Saints | |
| Juliana of Nicomedia | f | Saints | |
| Juliana of Norwich | f | Saints | |
| Juliana of the Netherlands | f | Other Royalty | |
| Julianna Margulies | f | Emmy Award Winners, Notable Actors and Entertainers | |
| Julianne McNamara | f | Notable Athletes, Olympic Medalists | |
| Julianne Moore | f | Notable Actors and Entertainers, Oscar Award Winners | |
| Julie Andrews | f | Notable Actors and Entertainers, Oscar Award Winners | |
| Julie Billiart | f | Saints | |
| Julie Christie | f | Notable Actors and Entertainers, Oscar Award Winners | |
| Julie Cooper | f | Fictional Characters from Television | |
| Julie Emrick | f | Fictional Characters from Television | |
| Julie "Finn" Finlay | f | Fictional Characters from Television | |
| Julie Jordan | f | Fictional Characters from Plays and Musicals | |
| Julie March | f | Fictional Characters from Television | |
| Julie Mayer | f | Fictional Characters from Television | |
| Julie McDonald | f | Olympic Medalists | |
| Julie Rogers | f | Fictional Characters from Television | |
| Julie Walters | f | Notable Actors and Entertainers | |
| Julien Lizeroux | m | Notable Athletes | |
| Julien Macdonald | m | Notable Artists | |
| Julien Maunoir | m | Saints | |
| Juliet Cuthbert | f | Olympic Medalists | |
| Juliet Darling | f | Fictional Characters from Television | |
| Julietta | f | Saints | |
| Juliette Binoche | f | Notable Actors and Entertainers, Oscar Award Winners | |
| Juliette Lewis | f | Notable Actors and Entertainers | |
| Julio César Chávez | m | Notable Athletes | |
| Julio Sanchez | m | Fictional Characters from Television | |
| Julius I | m | Bishops of Rome and the Popes, Saints | |
| Julius II | m | Bishops of Rome and the Popes | |
| Julius III | m | Bishops of Rome and the Popes | |
| Julius Nepos | m | Roman and Byzantine Emperors | |
| Julius of Dorostorum | m | Saints | |
| Julius of Novara | m | Saints | |
| Julius of Rome | m | Saints | |
| Majorian | m | Roman and Byzantine Emperors | |
| Julius Axelrod | m | Nobel Prize Winners | |
| Julius Erving | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Julius Frey | m | Olympic Medalists | |
| Julius Kariuki | m | Olympic Medalists | |
| Julius Korir | m | Olympic Medalists | |
| J. Robert Oppenheimer | m | Notable Scientists and Inventors | |
| Julius Sang | m | Olympic Medalists | |
| Julius Wagner-Jauregg | m | Nobel Prize Winners | |
| Juliya Dzhyma | f | Olympic Medalists | |
| Gu Jun | f | Olympic Medalists | |
| He Jun | f | Olympic Medalists | |
| June Croft | f | Olympic Medalists | |
| June Dyson | f | Fictional Characters from Television | |
| June Foulds | f | Olympic Medalists | |
| Bong Jung | m | Olympic Medalists | |
| Kim Jung-hwan | m | Olympic Medalists | |
| Junian of Mairé | m | Saints | |
| Junichi Miyashita | m | Olympic Medalists | |
| Junior Fernándes | m | Notable Athletes | |
| Junípero Serra | m | Saints | |
| Junot Díaz | m | Notable Writers, Pulitzer Award Winners | |
| Wang Junxia | f | Olympic Medalists | |
| Junya Tanaka | m | Notable Athletes | |
| Jupiter | m | Biblical Characters, Characters in Roman Mythology, Shakespearian Characters | |
| Jürgen Hingsen | m | Olympic Medalists | |
| Jürgen Prochnow | m | Notable Actors and Entertainers | |
| Jürgen Schult | m | Olympic Medalists | |
| Jürgen Straub | m | Olympic Medalists | |
| Jurgis Matulaitis-Matulevičius | m | Saints | |
| Jüri Lossmann | m | Olympic Medalists | |
| Jüri Tamm | m | Olympic Medalists | |
| Jüri Tarmak | m | Olympic Medalists | |
| Juris Silovs | m | Olympic Medalists | |
| Jurnee Smollett-Bell | f | Notable Actors and Entertainers | |
| Just Fontaine | m | Notable Athletes | |
| Justin Martyr | m | Saints | |
| Justin of Chieti | m | Saints | |
| Justin Bieber | m | Notable Musicians | |
| Justin Foley | m | Fictional Characters from Books, Fictional Characters from Television | |
| Justin Hayward | m | Rock and Roll Hall-of-Famers | |
| Justin Huish | m | Olympic Medalists | |
| Justin Lemberg | m | Olympic Medalists | |
| Justin Norris | m | Olympic Medalists | |
| Justin Theroux | m | Notable Actors and Entertainers | |
| Justin Thompson | m | Fictional Characters from Television | |
| Justin Timberlake | m | Notable Actors and Entertainers, Notable Musicians | |
| Justin Tipuric | m | Notable Athletes | |
| Justinian II | m | Roman and Byzantine Emperors | |
| Justinian the Great | m | Roman and Byzantine Emperors, Saints | |
| Justino Orona Madrigal | m | Saints | |
| Justus of Trieste | m | Saints | |
| Justus von Liebig | m | Notable Scientists and Inventors | |
| Justyna Kowalczyk | f | Olympic Medalists | |
| Jutaro Kimura | m | Olympic Medalists | |
| Jutta of Kulmsee | f | Saints | |
| Jutta Kirst | f | Olympic Medalists | |
| Juventinus | m | Saints | |
| K. C. Jones | m | Hall-of-Famers, Notable Athletes, Olympic Medalists | |
| Kaan Taşaner | m | Notable Actors and Entertainers | |
| Kaarlo Maaninka | m | Olympic Medalists | |
| Kaarlo Tuominen | m | Olympic Medalists | |
| Kacy Corbin | f | Fictional Characters from Television | |
| Kai Siegbahn | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Kaisa Parviainen | f | Olympic Medalists | |
| Kaitlin Cooper | f | Fictional Characters from Television | |
| Kajsa Bergqvist | f | Olympic Medalists | |
| Kalevi Laurila | m | Olympic Medalists | |
| Kalevi Oikarainen | m | Olympic Medalists | |
| Kaliman Asen I | m | Bulgarian Kings and Tsars | |
| Kaliman Asen II | m | Bulgarian Kings and Tsars | |
| Kálmán | m | Hungarian Kings and Queens | |
| Kálmán Hazai | m | Olympic Medalists | |
| Kaloyan | m | Bulgarian Kings and Tsars | |
| Kamila Skolimowska | f | Olympic Medalists | |
| Ichijo | m | Japanese Emperors | |
| Kanye West | m | Notable Musicians | |
| Kaori Takahashi | f | Olympic Medalists | |
| Kara Lynn Joyce | f | Olympic Medalists | |
| Kara Kohler | f | Olympic Medalists | |
| Kara Lawson | f | Olympic Medalists | |
| Kara Wolters | f | Olympic Medalists | |
| Kardam | m | Bulgarian Kings and Tsars | |
| Kareem Abdul-Jabbar | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Karl IV | m | Bohemian Kings, German Kings and Holy Roman Emperors | |
| Karel Lismont | m | Olympic Medalists | |
| Karen | f | Hurricanes and Tropical Storms | |
| Karen Arnold | f | Fictional Characters from Television | |
| Karen Clark | f | Olympic Medalists | |
| Karen Darling | f | Fictional Characters from Television | |
| Karen Dotrice | f | Notable Actors and Entertainers | |
| Karen Fonteyne | f | Olympic Medalists | |
| Karen Forkel | f | Olympic Medalists | |
| Karen Foster | f | Fictional Characters from Television | |
| Karen Harup | f | Olympic Medalists | |
| Karen Josephson | f | Olympic Medalists | |
| Karen Moras | f | Olympic Medalists | |
| Karen Phillips | f | Olympic Medalists | |
| Karen Sammler | f | Fictional Characters from Television | |
| Karen Walker | f | Fictional Characters from Television | |
| Kári Árnason | m | Notable Athletes | |
| Karin Balzer | f | Olympic Medalists | |
| Karin Brienesse | f | Olympic Medalists | |
| Karin Seick | f | Olympic Medalists | |
| Karina Bryant | f | Olympic Medalists | |
| Karl I | m | Austrian Dukes and Emperors, Bohemian Kings, Hungarian Kings and Queens, Saints | |
| Karl I (or VII) | m | Swedish Kings and Queens | |
| Karl II (or VIII) | m | Norwegian Kings and Queens, Swedish Kings and Queens | |
| Karl III the Fat | m | Frankish and French Kings, German Kings and Holy Roman Emperors | |
| Karl IX | m | Swedish Kings and Queens | |
| Karl Ludwig of Liechtenstein | m | Other Royalty | |
| Karl V | m | Austrian Dukes and Emperors, German Kings and Holy Roman Emperors, Spanish Kings and Queens | |
| Karl VII Albrecht | m | Bohemian Kings, German Kings and Holy Roman Emperors | |
| Karl X Gustav | m | Swedish Kings and Queens | |
| Karl XI | m | Swedish Kings and Queens | |
| Karl XII | m | Swedish Kings and Queens | |
| Karl XIII | m | Norwegian Kings and Queens, Swedish Kings and Queens | |
| Karl XIV Johan | m | Norwegian Kings and Queens, Swedish Kings and Queens | |
| Karl XV | m | Norwegian Kings and Queens, Swedish Kings and Queens | |
| Karl Bähre | m | Olympic Medalists | |
| Karl Ferdinand Braun | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Karl Adolph Gjellerup | m | Nobel Prize Winners, Notable Writers | |
| Karl-Friedrich Haas | m | Olympic Medalists | |
| Karl Hein | m | Olympic Medalists | |
| Karl Landsteiner | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Karl Leisner | m | Saints | |
| Karl Malden | m | Notable Actors and Entertainers, Oscar Award Winners | |
| Karl Malone | m | Hall-of-Famers, Most Valuable Players, Notable Athletes, Olympic Medalists | |
| Karl Marx | m | Notable Philosophers and Thinkers | |
| K. Alex Müller | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Karl Popper | m | Notable Philosophers and Thinkers | |
| Karl Ruberl | m | Olympic Medalists | |
| Karl-Heinz Rummenigge | m | Notable Athletes | |
| Karl Barry Sharpless | m | Nobel Prize Winners | |
| Karl Shiels | m | Notable Actors and Entertainers | |
| Karl Storch | m | Olympic Medalists | |
| Karl von Frisch | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Karl Warner | m | Olympic Medalists | |
| Karl Ziegler | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Karla Mosley | f | Notable Actors and Entertainers | |
| Karl-Hans Riehm | m | Olympic Medalists | |
| Karlheinz Klotz | m | Olympic Medalists | |
| Karmenu Mifsud Bonnici | m | Other Leaders | |
| Karolos Papoulias | m | Other Leaders | |
| Karl VI | m | Austrian Dukes and Emperors, Bohemian Kings, German Kings and Holy Roman Emperors, Hungarian Kings and Queens | |
| Károly I | m | Hungarian Kings and Queens | |
| Károly II the Small | m | Hungarian Kings and Queens | |
| Károly Hauszler | m | Olympic Medalists | |
| Károly Szittya | m | Olympic Medalists | |
| Monmu | m | Japanese Emperors | |
| Kary Mullis | m | Nobel Prize Winners | |
| Kasia Kulesza | f | Olympic Medalists | |
| Kasie Hines | f | Fictional Characters from Television | |
| Kaspar Stanggassinger | m | Saints | |
| Kat Miller | f | Fictional Characters from Television | |
| Katarina of Sweden | f | Saints | |
| Katarzyna Klata | f | Olympic Medalists | |
| Kate | f | Hurricanes and Tropical Storms | |
| Kate Beckinsale | f | Notable Actors and Entertainers | |
| Kate Bush | f | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Kate Hooper | f | Olympic Medalists | |
| Kate Hudson | f | Notable Actors and Entertainers | |
| Kate Morgan | f | Fictional Characters from Television | |
| Kate Murphy | f | Fictional Characters from Television | |
| Kate Nickleby | f | Fictional Characters from Books | |
| Kate Roberts | f | Fictional Characters from Television | |
| Kate Saunders | f | Notable Writers | |
| Kate Summerscale | f | Notable Writers | |
| Kate Switzer | f | Fictional Characters from Television | |
| Kate Warner | f | Fictional Characters from Television | |
| Kate Winslet | f | Notable Actors and Entertainers, Oscar Award Winners | |
| Kateri Tekakwitha | f | Saints | |
| Katerina Ioannou | f | Fictional Characters from Television | |
| Katharine Drexel | f | Saints | |
| Katharine Hepburn | f | Notable Actors and Entertainers, Oscar Award Winners | |
| Katharine Kerr | f | Notable Writers | |
| Katharine Merry | f | Olympic Medalists | |
| Katherine Copeland | f | Olympic Medalists | |
| Katherine Grainger | f | Olympic Medalists | |
| Katherine Anne Porter | f | Notable Writers, Pulitzer Award Winners | |
| Katherine Rawls | f | Olympic Medalists | |
| Kathleen Nord | f | Olympic Medalists | |
| Kathleen Russell | f | Olympic Medalists | |
| Kathleen Topolsky | f | Fictional Characters from Television | |
| Kathleen Turner | f | Notable Actors and Entertainers | |
| Kathrin Neimke | f | Olympic Medalists | |
| Kathrin Zimmermann | f | Olympic Medalists | |
| Kathryn Bigelow | f | Notable Filmmakers, Oscar Award Winners | |
| Kathy Baker | f | Emmy Award Winners, Notable Actors and Entertainers | |
| Kathy Bates | f | Notable Actors and Entertainers, Oscar Award Winners | |
| Kathy Sheehy | f | Olympic Medalists | |
| Katie Brown | f | Fictional Characters from Movies | |
| Katie Hoff | f | Olympic Medalists | |
| Katie Smith | f | Hall-of-Famers, Notable Athletes, Olympic Medalists | |
| Katina Paxinou | f | Notable Actors and Entertainers, Oscar Award Winners | |
| Katja Lehto | f | Olympic Medalists | |
| Katja Riipi | f | Olympic Medalists | |
| Katrin Meissner | f | Olympic Medalists | |
| Katrina Devine | f | Notable Actors and Entertainers | |
| Katrina Howard | f | Fictional Characters from Television | |
| Katrina McClain | f | Hall-of-Famers, Notable Athletes, Olympic Medalists | |
| Katrine Lunde | f | Notable Athletes, Olympic Medalists | |
| Katsumi Watanabe | m | Olympic Medalists | |
| Katsuo Takaishi | m | Olympic Medalists | |
| Katy Steding | f | Olympic Medalists | |
| Katya Derevko | f | Fictional Characters from Television | |
| Kavadh I | m | Persian and Iranian Kings and Queens | |
| Kavadh II | m | Persian and Iranian Kings and Queens | |
| Kaveh the blacksmith | m | Characters in Persian Mythology | |
| Kay Yow | f | Hall-of-Famers | |
| Kayla Huntington Scavo | f | Fictional Characters from Television | |
| Kayla Thornton | f | Fictional Characters from Television | |
| Kayoko Sugiyama | f | Olympic Medalists | |
| Kazia Pelka | f | Notable Actors and Entertainers | |
| Kazimierz I the Restorer | m | Polish High Dukes and Kings | |
| Kazimierz II the Just | m | Polish High Dukes and Kings | |
| Kazimierz III the Great | m | Polish High Dukes and Kings | |
| Kazimierz IV | m | Polish High Dukes and Kings | |
| Kazimierz of Poland | m | Saints | |
| Kazimierz Zimny | m | Olympic Medalists | |
| Kazimir Malevich | m | Notable Artists | |
| Kazuhiro Wada | m | Olympic Medalists | |
| Kazuo Tomita | m | Olympic Medalists | |
| Kazutaka Nishiyama | m | Olympic Medalists | |
| Meng Ke | m | Notable Philosophers and Thinkers | |
| Keanu Marsh-Brown | m | Notable Athletes | |
| Keanu Reeves | m | Notable Actors and Entertainers | |
| Keaton Henson | m | Notable Musicians | |
| Kim Kee-hee | m | Notable Athletes, Olympic Medalists | |
| Kees Wijdekop | m | Olympic Medalists | |
| Keigo Shimizu | m | Olympic Medalists | |
| Keira Knightley | f | Notable Actors and Entertainers | |
| Keiren Westwood | m | Notable Athletes | |
| Keitai | m | Japanese Emperors | |
| Keith Bennett | m | Fictional Characters from Television | |
| Keith Charles | m | Fictional Characters from Television | |
| Keith Connor | m | Olympic Medalists | |
| Keith Mars | m | Fictional Characters from Television | |
| Keith Moon | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Keith Relf | m | Rock and Roll Hall-of-Famers | |
| Keith Richards | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Kekoa Shaw | m | Fictional Characters from Movies | |
| Kelci Bryant | f | Olympic Medalists | |
| Kellen Winslow | m | Hall-of-Famers | |
| Kelley Hurley | f | Olympic Medalists | |
| Kelly Bridges | f | Fictional Characters from Television | |
| Kelly Bundy | f | Fictional Characters from Television | |
| Kelly Garrett | f | Fictional Characters from Television | |
| Kelly Holmes | f | Olympic Medalists | |
| Kelly Kapowski | f | Fictional Characters from Television | |
| Kelly Kryczka | f | Olympic Medalists | |
| Kelly Peyton | f | Fictional Characters from Television | |
| Kelly Santos | f | Olympic Medalists | |
| Kelly Sotherton | f | Olympic Medalists | |
| Kelly Willie | m | Olympic Medalists | |
| Kelsey Asbille | f | Notable Actors and Entertainers | |
| Kelsey Grammer | m | Emmy Award Winners, Notable Actors and Entertainers | |
| Kemuel | m | Biblical Characters | |
| Kemuel | m | Biblical Characters | |
| Kemuel | m | Biblical Characters | |
| Ken Cosgrove | m | Fictional Characters from Television | |
| Ken Dryden | m | Hall-of-Famers, Notable Athletes | |
| Ken Houston | m | Hall-of-Famers | |
| Ken Jones | m | Olympic Medalists | |
| Ken Matthews | m | Olympic Medalists | |
| Ken McArthur | m | Olympic Medalists | |
| Ken Owens | m | Notable Athletes | |
| Ken Reardon | m | Hall-of-Famers | |
| Ken Rosewall | m | Notable Athletes | |
| Ken Skupski | m | Notable Athletes | |
| Ken Strong | m | Hall-of-Famers | |
| Kenan Sipahi | m | Notable Athletes | |
| Kenaz | m | Biblical Characters | |
| Kenaz | m | Biblical Characters | |
| Kenaz | m | Biblical Characters | |
| Kenaz | m | Biblical Characters | |
| Kendall Coyne | f | Olympic Medalists | |
| Kendra Young | f | Fictional Characters from Television | |
| Kendra Zanotto | f | Olympic Medalists | |
| Kenenisa Bekele | m | Notable Athletes, Olympic Medalists | |
| Kenichi Fukui | m | Nobel Prize Winners | |
| Kenji Kimihara | m | Olympic Medalists | |
| Kenkichi Oshima | m | Olympic Medalists | |
| Kennedy | f | Fictional Characters from Television | |
| Kenneth Arrow | m | Nobel Prize Winners, Notable Philosophers and Thinkers | |
| Kenneth Branagh | m | Notable Actors and Entertainers | |
| Kenneth Grahame | m | Notable Writers | |
| Kenneth Sitzberger | m | Olympic Medalists | |
| Kenneth Taylor | m | Notable Athletes | |
| Kenneth G. Wilson | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Kenny Easley | m | Hall-of-Famers | |
| Kenny Harrison | m | Olympic Medalists | |
| Kent Bernard | m | Olympic Medalists | |
| Kenta Chida | m | Olympic Medalists | |
| Kentaro Kawatsu | m | Olympic Medalists | |
| Kenth Eldebrink | m | Olympic Medalists | |
| Kentigerna | f | Saints | |
| Kento Sugiyama | m | Olympic Medalists | |
| Ōe Kenzaburō | m | Nobel Prize Winners, Notable Writers | |
| Keri Hulme | f | Notable Writers | |
| Keri-Anne Payne | f | Olympic Medalists | |
| Kerron Clement | m | Olympic Medalists | |
| Kerron Stewart | f | Olympic Medalists | |
| Kerry Cox | f | Fictional Characters from Television | |
| Kerry Hennessy | f | Fictional Characters from Television | |
| Kerstin Behrendt | f | Olympic Medalists | |
| Kerstin Kielgass | f | Olympic Medalists | |
| Kessog | m | Saints | |
| Kester Woodseaves | m | Fictional Characters from Books | |
| Kęstutis Marčiulionis | m | Olympic Medalists | |
| Keto Losaberidze | f | Olympic Medalists | |
| Jeong Keun-woo | m | Olympic Medalists | |
| Kevin Arnold | m | Fictional Characters from Television | |
| Kevin Bacon | m | Notable Actors and Entertainers | |
| Kevin Beattie | m | Notable Athletes | |
| Kevin Bernard | m | Fictional Characters from Television | |
| Kevin Costner | m | Notable Actors and Entertainers, Notable Filmmakers, Oscar Award Winners | |
| Kevin Debreno | m | Fictional Characters from Television | |
| Kevin Doyle | m | Notable Actors and Entertainers | |
| Kevin Garnett | m | Hall-of-Famers, Most Valuable Players, Notable Athletes, Olympic Medalists | |
| Kevin Greene | m | Hall-of-Famers | |
| Kevin Jepsen | m | Olympic Medalists | |
| Kevin Kinkirk | m | Fictional Characters from Television | |
| Kevin Kline | m | Notable Actors and Entertainers, Oscar Award Winners | |
| Kevin Liotta | m | Fictional Characters from Television | |
| Kevin McCallister | m | Fictional Characters from Movies | |
| Kevin McCarthy | m | Notable Actors and Entertainers | |
| Kevin McHale | m | Hall-of-Famers, Notable Athletes | |
| Kevin McKidd | m | Notable Actors and Entertainers | |
| Kevin McNulty | m | Notable Actors and Entertainers | |
| Kevin Richardson | m | Notable Musicians | |
| Kevin Robertson | m | Olympic Medalists | |
| Kevin Robinzine | m | Olympic Medalists | |
| Kevin Rolland | m | Olympic Medalists | |
| Kevin Rudd | m | Australian Prime Ministers | |
| Kevin Spacey | m | Notable Actors and Entertainers, Oscar Award Winners | |
| Kevin Whately | m | Notable Actors and Entertainers | |
| He Kexin | f | Olympic Medalists | |
| Khalid Boulami | m | Olympic Medalists | |
| Khalid Skah | m | Olympic Medalists | |
| Kharis Yunichev | m | Olympic Medalists | |
| Khetag Gazyumov | m | Olympic Medalists | |
| Khosrau I the Just | m | Persian and Iranian Kings and Queens | |
| Khosrau II | m | Persian and Iranian Kings and Queens | |
| Khosrau the Usurper | m | Persian and Iranian Kings and Queens | |
| Khosrov Harutyunyan | m | Other Leaders | |
| Khristo Markov | m | Olympic Medalists | |
| Ukhnaagiin Khürelsükh | m | Other Leaders | |
| Khutughtu Khan | m | Chinese Emperors, Other Royalty | |
| Kiefer Sutherland | m | Emmy Award Winners, Notable Actors and Entertainers | |
| Kieran Govers | m | Olympic Medalists | |
| Kika Markham | f | Notable Actors and Entertainers | |
| Kilian | m | Saints | |
| Kim Basinger | f | Notable Actors and Entertainers, Oscar Award Winners | |
| Kim Batten | f | Olympic Medalists | |
| Kim Black | f | Olympic Medalists | |
| Kim Campbell | f | Canadian Prime Ministers | |
| Kim Crow | f | Olympic Medalists | |
| Kim Gevaert | f | Olympic Medalists | |
| Kim Graham | f | Olympic Medalists | |
| Kim Hartman | f | Notable Actors and Entertainers | |
| Kim Hunter | f | Notable Actors and Entertainers, Oscar Award Winners | |
| Kim Parker | f | Fictional Characters from Television | |
| Kim Peyton | f | Olympic Medalists | |
| Kim Turner | f | Olympic Medalists | |
| Kim Vandenberg | f | Olympic Medalists | |
| Yap Kim Hock | m | Olympic Medalists | |
| Kimie Morita | f | Olympic Medalists | |
| Kimmy Gibbler | f | Fictional Characters from Television | |
| B.B. King | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Kingsley Amis | m | Notable Writers | |
| Kinmei | m | Japanese Emperors | |
| Kinue Hitomi | f | Olympic Medalists | |
| Kip Keino | m | Notable Athletes, Olympic Medalists | |
| Kipkemboi Kimeli | m | Olympic Medalists | |
| Kira Underlay | f | Fictional Characters from Television | |
| Kirby Puckett | m | Hall-of-Famers, Notable Athletes | |
| Kirk Baptiste | m | Olympic Medalists | |
| Kirk Douglas | m | Notable Actors and Entertainers | |
| Kirk Gleason | m | Fictional Characters from Television | |
| Kirk Palmer | m | Olympic Medalists | |
| Kirsten Bennett | f | Fictional Characters from Television | |
| Kirsten Emmelmann | f | Olympic Medalists | |
| Kirsten Thomson | f | Olympic Medalists | |
| Kirstie Alley | f | Emmy Award Winners, Notable Actors and Entertainers | |
| Kirsty Coventry | f | Olympic Medalists | |
| Kish | m | Biblical Characters | |
| Kish | m | Biblical Characters | |
| Kish | m | Biblical Characters | |
| Kish | m | Biblical Characters | |
| Kish | m | Biblical Characters | |
| Kit Harington | m | Notable Actors and Entertainers | |
| Kit Walker | m | Fictional Characters from Television | |
| Kim Ki-tae | m | Olympic Medalists | |
| Kitty Forman | f | Fictional Characters from Television | |
| Kitty Montgomery | f | Fictional Characters from Television | |
| Kitty Sanchez | f | Fictional Characters from Television | |
| Kizito | m | Saints | |
| Klaas-Erik Zwering | m | Olympic Medalists | |
| Klara Milch | f | Olympic Medalists | |
| Klas Pontus Arnoldson | m | Nobel Prize Winners | |
| Klaus Beer | m | Olympic Medalists | |
| Klaus Ehl | m | Olympic Medalists | |
| Klaus-Peter Hildenbrand | m | Olympic Medalists | |
| Klaus Katzur | m | Olympic Medalists | |
| Klaus Kinski | m | Notable Actors and Entertainers | |
| Klaus-Dieter Kurrat | m | Olympic Medalists | |
| Klaus Lehnertz | m | Olympic Medalists | |
| Klaus Ploghaus | m | Olympic Medalists | |
| Klaus Richtzenhain | m | Olympic Medalists | |
| Klaus Steinbach | m | Olympic Medalists | |
| Klaus Thiele | m | Olympic Medalists | |
| Klaus von Klitzing | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Klaus Wolfermann | m | Olympic Medalists | |
| Klavdiya Boyarskikh | f | Olympic Medalists | |
| Klavdiya Tochonova | f | Olympic Medalists | |
| Klymentiy Sheptytsky | m | Saints | |
| Knud V Magnussen | m | Danish Kings and Queens | |
| Knud VI | m | Danish Kings and Queens | |
| Knud II the Great | m | Danish Kings and Queens, English and British Kings and Queens, Norwegian Kings and Queens | |
| Knut II the Long | m | Swedish Kings and Queens | |