| Name | Gender | Categories | |
|---|
| Hans Christian Ørsted | m | Notable Scientists and Inventors |  |
| Hans Podlipnik-Castillo | m | Notable Athletes | |
| Hans-Joachim Reske | m | Olympic Medalists | |
| Hans Schulze | m | Olympic Medalists | |
| Hans Smits | m | Olympic Medalists | |
| Hans Spemann | m | Nobel Prize Winners | |
| Hans Stam | m | Olympic Medalists | |
| Hans von Euler-Chelpin | m | Nobel Prize Winners | |
| Hans Woellke | m | Olympic Medalists | |
| Hansjörg Kunze | m | Olympic Medalists | |
| Hanun | m | Biblical Characters | |
| Hanun | m | Biblical Characters | |
| Hanun | m | Biblical Characters | |
| Hanzei | m | Japanese Emperors | |
| Wang Hao | m | Olympic Medalists | |
| Har Gobind Khorana | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Harald I Bluetooth | m | Danish Kings and Queens | |
| Harald I Fairhair | m | Norwegian Kings and Queens | |
| Harald II | m | Danish Kings and Queens | |
| Harald II Greycloak | m | Norwegian Kings and Queens | |
| Harald III Hardrada | m | Norwegian Kings and Queens | |
| Harald III Hen | m | Danish Kings and Queens | |
| Harald IV Gille | m | Norwegian Kings and Queens | |
| Harald V | m | Norwegian Kings and Queens | |
| Harald Norpoth | m | Olympic Medalists | |
| Harald Schmid | m | Olympic Medalists | |
| Harald zur Hausen | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Haran | m | Biblical Characters | |
| Haran | m | Biblical Characters | |
| Haran | m | Biblical Characters | |
| Harding Welsh | m | Fictional Characters from Television | |
| Harim | m | Biblical Characters | |
| Harim | m | Biblical Characters | |
| Harim | m | Biblical Characters | |
| Harim | m | Biblical Characters | |
| Harim | m | Biblical Characters | |
| Harim | m | Biblical Characters | |
| Haris Seferović | m | Notable Athletes | |
| Harlan "Pat" Page | m | Hall-of-Famers | |
| Harley Keiner | m | Fictional Characters from Television | |
| Harlow Rothert | m | Olympic Medalists | |
| Harmon Killebrew | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Harold I Harefoot | m | English and British Kings and Queens | |
| Harold II | m | English and British Kings and Queens | |
| Harold Abbott | m | Fictional Characters from Television | |
| Harold Abrahams | m | Olympic Medalists | |
| Harold Annison | m | Olympic Medalists | |
| Harold Barron | m | Olympic Medalists | |
| Harold Berman | m | Fictional Characters from Television | |
| Harold L. Davis | m | Pulitzer Award Winners | |
| Harold Finch | m | Fictional Characters from Television | |
| Harold "Bud" Foster | m | Hall-of-Famers | |
| Harold "Red" Grange | m | Hall-of-Famers, Notable Athletes | |
| Harold Hill | m | Fictional Characters from Plays and Musicals | |
| Harold Holt | m | Australian Prime Ministers | |
| Harold Lloyd | m | Notable Actors and Entertainers | |
| Harold Macmillan | m | British Prime Ministers | |
| Harold Muller | m | Olympic Medalists | |
| Harold Osborn | m | Olympic Medalists | |
| Harold Pinter | m | Nobel Prize Winners, Notable Writers | |
| Harold Ramis | m | Notable Actors and Entertainers, Notable Filmmakers | |
| Harold "Pee Wee" Reese | m | Hall-of-Famers, Notable Athletes | |
| Harold Russell | m | Notable Actors and Entertainers, Oscar Award Winners | |
| Harold Smith | m | Olympic Medalists | |
| Harold Urey | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Harold E. Varmus | m | Nobel Prize Winners | |
| Harold A. Wilson | m | Olympic Medalists | |
| Harold Wilson | m | British Prime Ministers | |
| Harper Lee | f | Notable Writers, Pulitzer Award Winners | |
| Harri Larva | m | Olympic Medalists | |
| Harriet Bland | f | Olympic Medalists | |
| Harriet Lane | f | American First Ladies | |
| Harriet Smith | f | Fictional Characters from Books | |
| Harriet Beecher Stowe | f | Notable Writers | |
| Harriet Tubman | f | Notable Activists and Revolutionaries | |
| Harriet Walter | f | Notable Actors and Entertainers | |
| Harriette Winslow | f | Fictional Characters from Television | |
| Harris Healy | f | Fictional Characters from Television | |
| Harrison "Bones" Dillard | m | Olympic Medalists | |
| Harrison Ford | m | Notable Actors and Entertainers | |
| Harrison Smith | m | Notable Athletes | |
| Harry, Duke of Sussex | m | Other Royalty | |
| Harry Babcock | m | Olympic Medalists | |
| Harry Belafonte | m | Notable Activists and Revolutionaries, Notable Actors and Entertainers, Notable Musicians | |
| Harry "Punch" Broadbent | m | Hall-of-Famers, Notable Athletes | |
| "Dirty" Harry Callahan | m | Fictional Characters from Movies | |
| Harry Cameron | m | Hall-of-Famers | |
| Harry Carson | m | Hall-of-Famers | |
| Harry Connick, Jr. | m | Notable Actors and Entertainers, Notable Musicians | |
| Harry Crane | m | Fictional Characters from Television | |
| Harry Cunningham | m | Fictional Characters from Television | |
| Harry Edward | m | Olympic Medalists | |
| Harry Gallatin | m | Hall-of-Famers, Notable Athletes | |
| Harry Goldenblatt | m | Fictional Characters from Television | |
| Harry Hadden-Paton | m | Notable Actors and Entertainers | |
| Harry Heilmann | m | Hall-of-Famers | |
| Harry Hillman Jr. | m | Olympic Medalists | |
| Harry "Hap" Holmes | m | Hall-of-Famers | |
| Harry Hooper | m | Hall-of-Famers, Notable Athletes | |
| Harry Houdini | m | Notable Actors and Entertainers | |
| Harry Howell | m | Hall-of-Famers, Notable Athletes | |
| Harry Hyland | m | Hall-of-Famers | |
| Harry Kim | m | Fictional Characters from Television | |
| Harry Klein | m | Fictional Characters from Television | |
| Harry Kroto | m | Nobel Prize Winners | |
| Harry Lloyd | m | Notable Actors and Entertainers | |
| Harry Lumley | m | Hall-of-Famers | |
| Harry Makepeace | f | Fictional Characters from Television | |
| Harry Markowitz | m | Nobel Prize Winners | |
| Harry Martinson | m | Nobel Prize Winners, Notable Writers | |
| Harry Morgan | m | Fictional Characters from Books, Fictional Characters from Television | |
| Harry Oliver | m | Hall-of-Famers | |
| Harry Porter | m | Olympic Medalists | |
| Harry Shum, Jr. | m | Notable Actors and Entertainers | |
| Harry Dean Stanton | m | Notable Actors and Entertainers | |
| Harry Treadaway | m | Notable Actors and Entertainers | |
| Harry "Flip" Trihey | m | Hall-of-Famers | |
| Harry S. Truman | m | American Presidents | |
| Harry Turner | m | Fictional Characters from Television | |
| Harry "Moose" Watson | m | Hall-of-Famers, Notable Athletes | |
| Harry "Whipper" Watson | m | Hall-of-Famers | |
| Harry "Rat" Westwick | m | Hall-of-Famers | |
| Harry Wright | m | Hall-of-Famers | |
| Knud III the Hardy | m | Danish Kings and Queens, English and British Kings and Queens | |
| Hartmut Briesenick | m | Olympic Medalists | |
| Hartmut Flöckner | m | Olympic Medalists | |
| Hartmut Michel | m | Nobel Prize Winners | |
| Hartwig Gauder | m | Olympic Medalists | |
| Haruma Miura | m | Notable Actors and Entertainers | |
| Harun al-Wathiq | m | Islamic Caliphs | |
| Harvey Glance | m | Olympic Medalists | |
| Harvey "Busher" Jackson | m | Hall-of-Famers | |
| Harvey Keitel | m | Notable Actors and Entertainers | |
| Harvey Kinkle | m | Fictional Characters from Television | |
| Harvey Leek | m | Fictional Characters from Television | |
| Harvey Miller | m | Fictional Characters from Television | |
| Harvey Pulford | m | Hall-of-Famers | |
| Hasan Muratović | m | Other Leaders | |
| Hasely Crawford | m | Olympic Medalists | |
| Hashabiah | m | Biblical Characters | |
| Hashabiah | m | Biblical Characters | |
| Hashabiah | m | Biblical Characters | |
| Hashabiah | m | Biblical Characters | |
| Hashabiah | m | Biblical Characters | |
| Hashabiah | m | Biblical Characters | |
| Hashabiah | m | Biblical Characters | |
| Hashabiah | m | Biblical Characters | |
| Hashabiah | m | Biblical Characters | |
| Hashabiah | m | Biblical Characters | |
| Hashabiah | m | Biblical Characters | |
| Hashabiah | m | Biblical Characters | |
| Hasna Benhassi | f | Olympic Medalists | |
| Hasshub | m | Biblical Characters | |
| Hasshub | m | Biblical Characters | |
| Hasshub | m | Biblical Characters | |
| Hasshub | m | Biblical Characters | |
| Hassiba Boulmerka | f | Olympic Medalists | |
| Hatebrand | m | Saints | |
| Hattie Greene | f | Fictional Characters from Television | |
| Hattie McDaniel | f | Notable Actors and Entertainers, Oscar Award Winners | |
| Hattush | m | Biblical Characters | |
| Hattush | m | Biblical Characters | |
| Hattush | m | Biblical Characters | |
| Hattush | m | Biblical Characters | |
| Hattush | m | Biblical Characters | |
| Haunani-Kay Trask | f | Notable Activists and Revolutionaries | |
| Haxhi Lleshi | m | Notable Politicians and Statespeople | |
| Haya Harareet | f | Notable Actors and Entertainers | |
| Hayden McClaine | f | Fictional Characters from Television | |
| Hayley Atwell | f | Notable Actors and Entertainers | |
| Hayley Lewis | f | Olympic Medalists | |
| Hayley Smith | f | Fictional Characters from Television | |
| Hayreddin Barbarossa | m | Notable Military Figures | |
| Hazar Ergüçlü | f | Notable Actors and Entertainers | |
| Hazel Lavery | f | Notable Artists | |
| Hazen "Kiki" Cuyler | m | Hall-of-Famers | |
| Zheng He | m | Notable Explorers and Adventurers | |
| Heath Anderson | m | Fictional Characters from Television | |
| Heath Barkley | m | Fictional Characters from Television | |
| Heath Ledger | m | Notable Actors and Entertainers, Oscar Award Winners | |
| Heath Streak | m | Notable Athletes | |
| Heather Armitage | f | Olympic Medalists | |
| Heather Harper | f | Notable Musicians | |
| Heather Moody | f | Olympic Medalists | |
| Heather Oakes | f | Olympic Medalists | |
| Heather Pease | f | Olympic Medalists | |
| Heather Simmons-Carrasco | f | Olympic Medalists | |
| Heather Stanning | f | Olympic Medalists | |
| Heber | m | Biblical Characters | |
| Heber | m | Biblical Characters | |
| Heber | m | Biblical Characters | |
| Heber | m | Biblical Characters | |
| Heber | m | Biblical Characters | |
| Hec Hogan | m | Olympic Medalists | |
| Hector "Toe" Blake | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Héctor Costa | m | Olympic Medalists | |
| Hector Dyer | m | Olympic Medalists | |
| Héctor García Otero | m | Olympic Medalists | |
| Héctor Herrera | m | Notable Athletes, Olympic Medalists | |
| Héctor Moreno | m | Notable Athletes | |
| Héctor Scarone | m | Notable Athletes | |
| Hedd Wyn | m | Notable Writers | |
| Hedwig Rosenbaum | f | Olympic Medalists | |
| Heidemarie Reineck | f | Olympic Medalists | |
| Heidi-Elke Gaugel | f | Olympic Medalists | |
| Heidi Keppert | f | Fictional Characters from Television | |
| Heidi Pechstein | f | Olympic Medalists | |
| Heidi Turner | f | Fictional Characters from Television | |
| Heike Dähne | f | Olympic Medalists | |
| Heike Drechsler | f | Olympic Medalists | |
| Heike Friedrich | f | Olympic Medalists | |
| Heike Henkel | f | Olympic Medalists | |
| Heike Kamerlingh Onnes | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Heikki Liimatainen | m | Olympic Medalists | |
| Heiko Schwartz | m | Olympic Medalists | |
| Heimerad | m | Saints | |
| Heinie Manush | m | Hall-of-Famers | |
| Heino Kruus | m | Olympic Medalists | |
| Heinrich I the Fowler | m | German Kings and Holy Roman Emperors | |
| Heinrich II Jasomirgott | m | Austrian Dukes and Emperors | |
| Heinrich III | m | German Kings and Holy Roman Emperors | |
| Heinrich IV | m | German Kings and Holy Roman Emperors | |
| Heinrich V | m | German Kings and Holy Roman Emperors | |
| Heinrich VI | m | German Kings and Holy Roman Emperors | |
| Heinrich VII | m | German Kings and Holy Roman Emperors | |
| Heinrich Böll | m | Nobel Prize Winners, Notable Writers | |
| Heinrich Brüning | m | German Chancellors and Presidents | |
| Heinrich Heine | m | Notable Writers | |
| Heinrich Himmler | m | Notable Evildoers | |
| Heinrich Krug | m | Olympic Medalists | |
| Heinrich Rohrer | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Heinrich Schliemann | m | Notable Scientists and Inventors | |
| Heinrich Seuse | m | Saints | |
| Heinrich Otto Wieland | m | Nobel Prize Winners | |
| Heinz Fütterer | m | Olympic Medalists | |
| Heinz Ulzheimer | m | Olympic Medalists | |
| Hélder Postiga | m | Notable Athletes | |
| Helen Baxendale | f | Notable Actors and Entertainers | |
| Helen Bordino | f | Fictional Characters from Television | |
| Helen Denman | f | Olympic Medalists | |
| Helen Farmer | f | Fictional Characters from Television | |
| Helen Gamble | f | Fictional Characters from Television | |
| Helen Glover | f | Olympic Medalists | |
| Helen Hayes | f | Emmy Award Winners, Notable Actors and Entertainers, Oscar Award Winners, Tony Award Winners | |
| Helen Hunt | f | Emmy Award Winners, Notable Actors and Entertainers, Oscar Award Winners | |
| Helen Jameson | f | Olympic Medalists | |
| Helen "Nana" Keane | f | Fictional Characters from Television | |
| Helen Luz | f | Olympic Medalists | |
| Helen Meany | f | Olympic Medalists | |
| Helen Mirren | f | Notable Actors and Entertainers, Oscar Award Winners, Tony Award Winners | |
| Helen Reynolds | f | Fictional Characters from Television | |
| Helen Richardson-Walsh | f | Olympic Medalists | |
| Helen Stephens | f | Olympic Medalists | |
| Helen Varcoe | f | Olympic Medalists | |
| Helen Wills | f | Notable Athletes | |
| Helena Bonham Carter | f | Notable Actors and Entertainers | |
| Helena Fibingerová | f | Olympic Medalists | |
| Helene Madison | f | Olympic Medalists | |
| Helga Geerhart | f | Fictional Characters from Television | |
| Helga Klein | f | Olympic Medalists | |
| Helga Lindner | f | Olympic Medalists | |
| Helga G. Pataki | f | Fictional Characters from Television | |
| Helga Seidler | f | Olympic Medalists | |
| Helge Meeuw | m | Olympic Medalists | |
| Heli Rantanen | f | Olympic Medalists | |
| Helladius of Auxerre | m | Saints | |
| Helma Lehmann | f | Olympic Medalists | |
| Helmar Müller | m | Olympic Medalists | |
| Helmut Hamann | m | Olympic Medalists | |
| Helmut Kohl | m | German Chancellors and Presidents | |
| Helmut Rahn | m | Notable Athletes | |
| Helmut Schmidt | m | German Chancellors and Presidents | |
| Helmut Seibt | m | Olympic Medalists | |
| Helmuth Schwenn | m | Olympic Medalists | |
| Hemma of Gurk | f | Saints | |
| Hen Yanni | f | Notable Actors and Entertainers | |
| Hendrawan | m | Olympic Medalists | |
| Hendrick Avercamp | m | Notable Artists | |
| Hendrick van Balen | m | Notable Artists | |
| Hendrik of the Netherlands | m | Other Royalty | |
| Hendrik Lorentz | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Henk Numan | m | Olympic Medalists | |
| Henning Wind | m | Olympic Medalists | |
| Henri I | m | Frankish and French Kings | |
| Henri II | m | Frankish and French Kings | |
| Henri IV | m | Frankish and French Kings | |
| Henri Becquerel | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Henri Bergson | m | Nobel Prize Winners, Notable Philosophers and Thinkers | |
| Henri Carton de Wiart | m | Belgian Prime Ministers | |
| Henri Deloge | m | Olympic Medalists | |
| Henri De Pauw | m | Olympic Medalists | |
| Henri de Toulouse-Lautrec | m | Notable Artists | |
| Henri Disy | m | Olympic Medalists | |
| Henri Dunant | m | Nobel Prize Winners, Notable Activists and Revolutionaries | |
| Henri Helle | m | Olympic Medalists | |
| Henri Hérouin | m | Olympic Medalists | |
| Henri Jaspar | m | Belgian Prime Ministers | |
| Henri La Fontaine | m | Nobel Prize Winners | |
| Henri Lauvaux | m | Olympic Medalists | |
| Henri Matisse | m | Notable Artists | |
| Henri Moissan | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Henri Padou Jr. | m | Olympic Medalists | |
| Henri Poincaré | m | Notable Philosophers and Thinkers | |
| Henri Richard | m | Hall-of-Famers, Notable Athletes | |
| Henri Rousseau | m | Notable Artists | |
| Henri Stoelen | m | Olympic Medalists | |
| Henri Tauzin | m | Olympic Medalists | |
| Henrietta Musgrove | f | Fictional Characters from Books | |
| Henrietta Petowker | f | Fictional Characters from Books | |
| Henrik of Monpezat | m | Other Royalty | |
| Prince Henrik of Denmark | m | Other Royalty | |
| Henrik Dam | m | Nobel Prize Winners | |
| Henrik Ibsen | m | Notable Writers | |
| Henrik Pontoppidan | m | Nobel Prize Winners, Notable Writers | |
| Henrique I the Chaste | m | Portuguese Kings and Queens | |
| Heinrich II | m | German Kings and Holy Roman Emperors, Saints | |
| Henry I | m | English and British Kings and Queens | |
| Henry II Plantagenet | m | English and British Kings and Queens | |
| Henry III | m | English and British Kings and Queens, Shakespearian Characters | |
| Henry IV | m | English and British Kings and Queens, Shakespearian Characters | |
| Henry of Coquet | m | Saints | |
| Henry the Navigator | m | Notable Explorers and Adventurers | |
| Henry V | m | English and British Kings and Queens, Shakespearian Characters | |
| Henry VI | m | English and British Kings and Queens, Shakespearian Characters | |
| Henry VII Tudor | m | English and British Kings and Queens, Shakespearian Characters | |
| Henry VIII | m | English and British Kings and Queens, Shakespearian Characters | |
| Henry Addington | m | British Prime Ministers | |
| Henry Andrews | m | Fictional Characters from Television | |
| Henry Armstrong | m | Notable Athletes | |
| Henry Campbell-Bannerman | m | British Prime Ministers | |
| Henry Carr | m | Olympic Medalists | |
| Henry Cavendish | m | Notable Scientists and Inventors | |
| Henry Crawford | m | Fictional Characters from Books | |
| Henry Hallett Dale | m | Nobel Prize Winners | |
| Henry "Dutch" Dehnert | m | Hall-of-Famers | |
| Henry Eriksson | m | Olympic Medalists | |
| Henry Fonda | m | Notable Actors and Entertainers, Oscar Award Winners, Tony Award Winners | |
| Henry Francis | m | Fictional Characters from Television | |
| Henry Hay | m | Olympic Medalists | |
| Henry Hudson | m | Notable Explorers and Adventurers | |
| Henry James | m | Notable Writers | |
| Henry Jordan | m | Hall-of-Famers | |
| Henry Way Kendall | m | Nobel Prize Winners | |
| Henry Kissinger | m | Nobel Prize Winners, Notable Politicians and Statespeople | |
| Henry Wadsworth Longfellow | m | Notable Writers | |
| Henry Mitchell | m | Fictional Characters from Television | |
| Henry Morgan | m | Notable Evildoers | |
| Henry Paget | m | Fictional Characters from Television | |
| Henry Pelham | m | British Prime Ministers | |
| Henry Petersen | m | Olympic Medalists | |
| Henry Purcell | m | Notable Musicians | |
| Henry Pyrgos | m | Notable Athletes | |
| Henry Royce | m | Notable Businesspeople | |
| Henry Morton Stanley | m | Notable Explorers and Adventurers | |
| Henry Fox Talbot | m | Notable Scientists and Inventors | |
| Henry Taube | m | Nobel Prize Winners | |
| Henry Taylor | m | Fictional Characters from Television | |
| Henry Taylor | m | Olympic Medalists | |
| Henry John Temple | m | British Prime Ministers | |
| Henry David Thoreau | m | Notable Philosophers and Thinkers, Notable Writers | |
| Henry Tilney | m | Fictional Characters from Books | |
| Henry Walpole | m | Saints | |
| Henry Webley | m | Saints | |
| Henry Woodhouse | m | Fictional Characters from Books | |
| Lord Henry Wotton | m | Fictional Characters from Books | |
| Henri III | m | Frankish and French Kings, Polish High Dukes and Kings | |
| Henryk I the Bearded | m | Polish High Dukes and Kings | |
| Henryk II the Pious | m | Polish High Dukes and Kings | |
| Henryk IV Probus | m | Polish High Dukes and Kings | |
| Henryk Sienkiewicz | m | Nobel Prize Winners, Notable Writers | |
| Hepher | m | Biblical Characters | |
| Hepher | m | Biblical Characters | |
| Hepher | m | Biblical Characters | |
| Heraclitus of Ephesus | m | Notable Philosophers and Thinkers | |
| Constans II | m | Roman and Byzantine Emperors | |
| Constantine III | m | Roman and Byzantine Emperors | |
| Herb Adderley | m | Hall-of-Famers | |
| Herb Gardiner | m | Hall-of-Famers, Most Valuable Players | |
| Herb Magee | m | Hall-of-Famers | |
| Herb Pennock | m | Hall-of-Famers | |
| Herbert Henry Asquith | m | British Prime Ministers | |
| Herbert C. Brown | m | Nobel Prize Winners | |
| Herbert Spencer Gasser | m | Nobel Prize Winners | |
| Herbert Haresnape | m | Olympic Medalists | |
| Herbert A. Hauptman | m | Nobel Prize Winners | |
| Herbert Hoover | m | American Presidents | |
| Herbert Hoscam | m | Saints | |
| Herbert Jamison | m | Olympic Medalists | |
| Herbert Klein | m | Olympic Medalists | |
| Herbert Kroemer | m | Nobel Prize Winners | |
| Herbert "Buddy" O'Connor | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Herbert Schade | m | Olympic Medalists | |
| Herbert A. Simon | m | Nobel Prize Winners | |
| Herbert Trube | m | Olympic Medalists | |
| H. G. Wells | m | Notable Writers | |
| Herbert Wildman | m | Olympic Medalists | |
| Herbie Hancock | m | Grammy Award Winners, Notable Musicians | |
| Herbie Lewis | m | Hall-of-Famers | |
| Herculanils | m | Saints | |
| Herculanus of Piegaro | m | Saints | |
| Heribert of Cologne | m | Saints | |
| Herm Frazier | m | Olympic Medalists | |
| Herman Joseph | m | Saints | |
| Herman the Cripple | m | Saints | |
| Herman Groman | m | Olympic Medalists | |
| Herman Hollerith | m | Notable Scientists and Inventors | |
| Herman Melville | m | Notable Writers | |
| Herman Meyboom | m | Olympic Medalists | |
| Herman Wouk | m | Notable Writers, Pulitzer Award Winners | |
| Hermann Engelhard | m | Olympic Medalists | |
| Hermann von Helmholtz | m | Notable Scientists and Inventors | |
| Hermann Hesse | m | Nobel Prize Winners, Notable Writers | |
| Hermann Joseph Muller | m | Nobel Prize Winners | |
| Hermann Müller | m | German Chancellors and Presidents | |
| Hermann Staudinger | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Hermann Stork | m | Olympic Medalists | |
| Hermas of Dalmatia | m | Biblical Characters, Saints | |
| Hermes of Philippopolis | m | Biblical Characters, Saints | |
| Hermias | m | Saints | |
| Hermina Pipinić | f | Notable Actors and Entertainers | |
| Hermine Stindt | f | Olympic Medalists | |
| Hermione of Ephesus | f | Saints | |
| Hermione Norris | f | Notable Actors and Entertainers | |
| Hermogenes of Moscow | m | Saints | |
| Hernán Cortés | m | Notable Explorers and Adventurers, Notable Military Figures | |
| Hernando de Soto | m | Notable Explorers and Adventurers | |
| Hero Fiennes Tiffin | m | Notable Actors and Entertainers | |
| Herodion of Antioch | m | Saints | |
| Herodion of Patras | m | Biblical Characters, Saints | |
| Herodotus | m | Notable Philosophers and Thinkers | |
| Herostratus | m | Notable Evildoers | |
| Herta Müller | f | Nobel Prize Winners, Notable Writers | |
| Hervé | m | Saints | |
| Hervé | m | Notable Musicians | |
| Hesiod | m | Notable Writers | |
| Hestrie Cloete | f | Olympic Medalists | |
| Hezekiél Sepeng | m | Olympic Medalists | |
| Hicham El Guerrouj | m | Notable Athletes, Olympic Medalists | |
| Hideaki Okubo | m | Olympic Medalists | |
| Shirakawa Hideki | m | Nobel Prize Winners | |
| Yukawa Hideki | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Hideko Maehata | f | Olympic Medalists | |
| Hidulf | m | Saints | |
| Hieronymus Bosch | m | Notable Artists | |
| Hilarius | m | Bishops of Rome and the Popes, Saints | |
| Hilary of Aquileia | m | Saints | |
| Hilary of Arles | m | Saints | |
| Hilary of Galeata | m | Saints | |
| Hilary of Poitiers | m | Saints | |
| Hilary Banks | f | Fictional Characters from Television | |
| Hilary Mantel | f | Notable Writers | |
| Hilary Scheppers | f | Fictional Characters from Television | |
| Hilary Swank | f | Notable Actors and Entertainers, Oscar Award Winners | |
| Hilda | f | Saints | |
| Hilda | f | Fictional Characters from Television | |
| Hilda Cameron | f | Olympic Medalists | |
| Hilda James | f | Olympic Medalists | |
| Hilde Synnøve Lid | f | Olympic Medalists | |
| Hilde Schrader | f | Olympic Medalists | |
| Hildegrin of Châlons | m | Saints | |
| Hilding Ekman | m | Olympic Medalists | |
| Hildrun Claus | f | Olympic Medalists | |
| Hilkiah | m | Biblical Characters | |
| Hilkiah | m | Biblical Characters | |
| Hilkiah | m | Biblical Characters | |
| Hilkiah | m | Biblical Characters | |
| Hilkiah | m | Biblical Characters | |
| Hilkiah | m | Biblical Characters | |
| Hilkiah | m | Biblical Characters | |
| Hilkiah | m | Biblical Characters | |
| Hillary Clinton | f | American First Ladies, Notable Politicians and Statespeople | |
| Hilma Caldeira | f | Olympic Medalists | |
| Hilmar Baunsgaard | m | Danish Prime Ministers | |
| Hilton Smith | m | Hall-of-Famers | |
| Hilton Valentine | m | Rock and Roll Hall-of-Famers | |
| Himelin | m | Saints | |
| Hipparchus of Nicaea | m | Notable Philosophers and Thinkers, Notable Scientists and Inventors | |
| Hippolytus of Rome | m | Bishops of Rome and the Popes, Saints | |
| Hiram | m | Biblical Characters | |
| Suzaku | m | Japanese Emperors | |
| Hiroki Kokubo | m | Olympic Medalists | |
| Hiroki Kuroda | m | Olympic Medalists | |
| Hiroko Matsumoto | f | Notable Actors and Entertainers | |
| Hiromi Miyake | f | Olympic Medalists | |
| Amano Hiroshi | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Hiroshi Michinaga | m | Olympic Medalists | |
| Hiroshi Nakamoto | m | Olympic Medalists | |
| Hiroshi Suzuki | m | Olympic Medalists | |
| Hiroshi Yoneyama | m | Olympic Medalists | |
| Hirotami Kojima | m | Olympic Medalists | |
| Hirotoshi Ishii | m | Olympic Medalists | |
| Hiroyuki Sakaguchi | m | Olympic Medalists | |
| Hisakichi Toyoda | m | Olympic Medalists | |
| Hisashi Iwakuma | m | Olympic Medalists | |
| Hisayoshi Sato | m | Olympic Medalists | |
| Hisham ibn Abd al-Malik | m | Islamic Caliphs | |
| Hitoki Iwase | m | Olympic Medalists | |
| Hjalmar Andersson | m | Olympic Medalists | |
| Hjalmar Branting | m | Nobel Prize Winners, Swedish Prime Ministers | |
| Hjalmar Schacht | m | Notable Philosophers and Thinkers | |
| Hobbes | m | Other Fictional Characters | |
| Hobey Baker | m | Hall-of-Famers, Notable Athletes | |
| Hobie Buchannon | m | Fictional Characters from Television | |
| Hod Stuart | m | Hall-of-Famers, Notable Athletes | |
| Hodaviah | m | Biblical Characters | |
| Hodaviah | m | Biblical Characters | |
| Hodaviah | m | Biblical Characters | |
| Hodaviah | m | Biblical Characters | |
| Katsushika Hokusai | m | Notable Artists | |
| Holger Nurmela | m | Olympic Medalists | |
| Holger Rune | m | Notable Athletes | |
| Holly Cleary | f | Fictional Characters from Books, Fictional Characters from Television | |
| Holly Golightly | f | Fictional Characters from Books | |
| Holly Hunter | f | Notable Actors and Entertainers, Oscar Award Winners | |
| Homer | m | Notable Writers | |
| Homobonus | m | Saints | |
| Honeysuckle Weeks | f | Notable Actors and Entertainers | |
| Honeythorn Gump | m | Fictional Characters from Movies | |
| Hong Chau | f | Notable Actors and Entertainers | |
| Honor Huntzberger | f | Fictional Characters from Television | |
| Honoratus | m | Saints | |
| Honoratus of Amiens | m | Saints | |
| Honoré de Balzac | m | Notable Writers | |
| Honoré Daumier | m | Notable Artists | |
| Honoria, Lady Dedlock | f | Fictional Characters from Books | |
| Honorina | f | Saints | |
| Honorius | m | Bishops of Rome and the Popes | |
| Honorius I | m | Bishops of Rome and the Popes | |
| Honorius II | m | Bishops of Rome and the Popes | |
| Honorius III | m | Bishops of Rome and the Popes | |
| Honorius IV | m | Bishops of Rome and the Popes | |
| Honorius of Canterbury | m | Saints | |
| Honus Wagner | m | Hall-of-Famers, Notable Athletes | |
| Hop Sing | m | Fictional Characters from Television | |
| Hope Lange | f | Emmy Award Winners, Notable Actors and Entertainers | |
| Horace | m | Notable Writers | |
| Horace Ashenfelter | m | Olympic Medalists | |
| Horace Bing | m | Fictional Characters from Television | |
| Horatio Fitch | m | Olympic Medalists | |
| Horatio Nelson | m | Notable Military Figures | |
| Horatio Poulter | m | Olympic Medalists | |
| Hormisdas | m | Bishops of Rome and the Popes, Saints | |
| Horst-Günter Gregor | m | Olympic Medalists | |
| Horst Löffler | m | Olympic Medalists | |
| Horst Ludwig Störmer | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Hortência Marcari | f | Hall-of-Famers, Notable Athletes, Olympic Medalists | |
| Howard Florey | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| H. Robert Horvitz | m | Nobel Prize Winners | |
| Howard Hughes | m | Notable Businesspeople | |
| H. P. Lovecraft | m | Notable Writers | |
| Howard Newly | m | Fictional Characters from Television | |
| Howard Martin Temin | m | Nobel Prize Winners | |
| Howard Valentine | m | Olympic Medalists | |
| Howie Long | m | Hall-of-Famers, Notable Athletes | |
| Howie Morenz | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Hoyt Fortenberry | m | Fictional Characters from Books, Fictional Characters from Television | |
| Hoyt Wilhelm | m | Hall-of-Famers | |
| Hrihoriy Dmytrenko | m | Olympic Medalists | |
| Hristo Stoichkov | m | Notable Athletes | |
| Hrvoje Hitrec | m | Notable Writers | |
| Hrvoje Šarinić | m | Other Leaders | |
| Hrysopiyi Devetzi | f | Olympic Medalists | |
| Hrystyna Stuy | f | Olympic Medalists | |
| Hubert Gruber | m | Fictional Characters from Television | |
| Hubert Houben | m | Olympic Medalists | |
| Hubert Van Innis | m | Olympic Medalists | |
| Hubie Brown | m | Hall-of-Famers | |
| Hugh of Avalon | m | Saints | |
| Hugh of Châteauneuf | m | Saints | |
| Hugh of Cluny | m | Saints | |
| Hugh of Noara | m | Saints | |
| Hugh Cook Faringdon | m | Saints | |
| Hugh Cornwell | m | Notable Musicians | |
| Hugh Dancy | m | Notable Actors and Entertainers | |
| Hugh Duffy | m | Hall-of-Famers | |
| Hugh Grant | m | Notable Actors and Entertainers | |
| Hugh Griffith | m | Notable Actors and Entertainers, Oscar Award Winners | |
| Hugh Grundy | m | Rock and Roll Hall-of-Famers | |
| Hugh McElhenny | m | Hall-of-Famers | |
| Hugh David Politzer | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Hugh "Shorty" Ray | m | Hall-of-Famers | |
| Hughie Hogg | m | Fictional Characters from Television | |
| Hughie Jennings | m | Hall-of-Famers | |
| Hughie Lehman | m | Hall-of-Famers | |
| Hugo Goetz | m | Olympic Medalists | |
| Hugo Lahtinen | m | Olympic Medalists | |
| Hugo Langdon | m | Fictional Characters from Television | |
| Hugo Sconochini | m | Olympic Medalists | |
| Hugo Theorell | m | Nobel Prize Winners | |
| Hugo Weaving | m | Notable Actors and Entertainers | |
| Hugues Capet | m | Frankish and French Kings | |
| Hugues Duboscq | m | Olympic Medalists | |
| Zhang Hui | f | Olympic Medalists | |
| Cai Huijue | f | Olympic Medalists | |
| Xing Huina | f | Olympic Medalists | |
| Humbert of Romans | m | Saints | |
| Hümeyra Akbay | f | Notable Actors and Entertainers, Notable Musicians | |
| Humilis of Bisignano | m | Saints | |
| Humphrey Bogart | m | Notable Actors and Entertainers, Oscar Award Winners | |
| Humphrey Middlemore | m | Saints | |
| Humphrey Pritchard | m | Saints | |
| Humphry Davy | m | Notable Scientists and Inventors | |
| Hunger | m | Saints | |
| Hunna | f | Saints | |
| Hur | m | Biblical Characters | |
| Hur | m | Biblical Characters | |
| Hur | m | Biblical Characters | |
| Hur | m | Biblical Characters | |
| Hur | m | Biblical Characters | |
| Hur | m | Biblical Characters | |
| Hüseyin Rahmi Gürpınar | m | Notable Writers | |
| Hussein Ahmed Salah | m | Olympic Medalists | |
| Huw Edwards | m | Notable Journalists | |
| Hyacinth of Caesarea | m | Saints | |
| Hyacinth of Poland | m | Saints | |
| Hyacinth Bucket | f | Fictional Characters from Television | |
| Jang Hye-ock | f | Olympic Medalists | |
| Hwang Hye-young | f | Olympic Medalists | |
| Hyginus | m | Bishops of Rome and the Popes, Saints | |
| H. B. Stallard | m | Olympic Medalists | |
| Hypatia of Alexandria | f | Notable Philosophers and Thinkers | |
| Hypatius of Gangra | m | Saints | |
| Kwon Hyuk | m | Olympic Medalists | |
| Hywel Bennett | m | Notable Actors and Entertainers | |
| Iain Armitage | m | Notable Actors and Entertainers | |
| Iain Glen | m | Notable Actors and Entertainers | |
| Iain Henderson | m | Notable Athletes | |
| Ian Crocker | m | Olympic Medalists | |
| Ian Fleming | m | Notable Writers | |
| Ian Maxtone-Graham | m | Fictional Characters from Television | |
| Ian McDiarmid | m | Notable Actors and Entertainers | |
| Ian McEwan | m | Notable Writers | |
| Ian McKellen | m | Notable Actors and Entertainers, Tony Award Winners | |
| Ian McLagan | m | Rock and Roll Hall-of-Famers | |
| Ian McShane | m | Notable Actors and Entertainers | |
| Ian Paice | m | Rock and Roll Hall-of-Famers | |
| Ian Richardson | m | Notable Actors and Entertainers | |
| Ian Smith | m | Notable Actors and Entertainers | |
| Ian Stewart | m | Olympic Medalists | |
| Ian Stewart | m | Rock and Roll Hall-of-Famers | |
| Ibn al-Haytham | m | Notable Scientists and Inventors | |
| Ibrahim | m | Islamic Caliphs, Ottoman Sultans | |
| Ibrahim Camejo | m | Olympic Medalists | |
| Ida of Herzfeld | f | Saints | |
| Ida McKinley | f | American First Ladies | |
| Ida Welker | f | Fictional Characters from Television | |
| Idalmis Gato | f | Olympic Medalists | |
| Iddo | m | Biblical Characters | |
| Iddo | m | Biblical Characters | |
| Iddo | m | Biblical Characters | |
| Iddo | m | Biblical Characters | |
| Iddo | m | Biblical Characters | |
| Iddo | m | Biblical Characters | |
| Idi Amin | m | Notable Evildoers, Other Leaders | |
| Idris Elba | m | Notable Actors and Entertainers | |
| Idris Rahman | m | Notable Musicians | |
| Idriss Carlos Kameni | m | Notable Athletes | |
| Idulb | m | Scottish Kings and Queens | |
| Igal | m | Biblical Characters | |
| Igal | m | Biblical Characters | |
| Igal | m | Biblical Characters | |
| Ignace Heinrich | m | Olympic Medalists | |
| Ignacio Solozábal | m | Olympic Medalists | |
| Ignatius of Antioch | m | Saints | |
| Ignatius of Constantinople | m | Saints | |
| Ignatius of Loyola | m | Saints | |
| Ignatius Maloyan | m | Saints | |
| Igor | m | Russian Grand Dukes and Tsars | |
| Igor Astapkovich | m | Olympic Medalists | |
| Igor Gočanin | m | Olympic Medalists | |
| Igor Grabovsky | m | Olympic Medalists | |
| Igor Grivennikov | m | Olympic Medalists | |
| Igor Kashkarov | m | Olympic Medalists | |
| Igor Lapshin | m | Olympic Medalists | |
| Igor Larionov | m | Hall-of-Famers, Notable Athletes | |
| Igor Milanović | m | Olympic Medalists | |
| Igor Nikulin | m | Olympic Medalists | |
| Igor Radivilov | m | Olympic Medalists | |
| Igor Sikorsky | m | Notable Scientists and Inventors | |
| Igor Tamm | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Igor Ter-Ovanesyan | m | Olympic Medalists | |
| Igor Trandenkov | m | Olympic Medalists | |
| Ihar Maystrenko | m | Olympic Medalists | |
| Ike Broflovski | m | Fictional Characters from Television | |
| Ildefonsus of Toledo | m | Saints | |
| Ileana Silai | f | Olympic Medalists | |
| Ilene Markham | f | Fictional Characters from Television | |
| Ilia Chernousov | m | Olympic Medalists | |
| Ilias Tsirimokos | m | Greek Prime Ministers | |
| Ilija Ivezić | m | Notable Actors and Entertainers | |
| Ilisaine David | f | Olympic Medalists | |
| Ilke Wyludda | f | Olympic Medalists | |
| Ilmar Kullam | m | Olympic Medalists | |
| Ilmari Salminen | m | Olympic Medalists | |
| Ilsa Konrads | f | Olympic Medalists | |
| Kim Il-sung | m | Other Leaders | |
| Ilya Frank | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Ilya Markov | m | Olympic Medalists | |
| Ilya Mechnikov | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Ilya Pervukhin | m | Olympic Medalists | |
| Ilya Prigogine | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Ilya Repin | m | Notable Artists | |
| Count Ilya Rostov | m | Fictional Characters from Books | |
| Imelda Lambertini | f | Saints | |
| Imelda Staunton | f | Notable Actors and Entertainers | |
| Imke Bartels | f | Olympic Medalists | |
| Immanuel Kant | m | Notable Philosophers and Thinkers | |
| Immer | m | Biblical Characters | |
| Immer | m | Biblical Characters | |
| Immer | m | Biblical Characters | |
| Immer | m | Biblical Characters | |
| Immer | m | Biblical Characters | |
| Imogen Poots | f | Notable Actors and Entertainers | |
| Imogene Coca | f | Emmy Award Winners, Notable Actors and Entertainers | |
| Imre | m | Hungarian Kings and Queens | |
| Imre Kertész | m | Nobel Prize Winners, Notable Writers | |
| Imre Németh | m | Olympic Medalists | |
| Imrich Bugár | m | Olympic Medalists | |
| Ina Beyermann | f | Olympic Medalists | |
| Ina Kleber | f | Olympic Medalists | |
| Inácio de Azevedo | m | Saints | |
| Inder Kumar Gujral | m | Indian Presidents and Prime Ministers | |
| Ines Diers | f | Olympic Medalists | |
| Ines Geissler | f | Olympic Medalists | |
| Inessa Kravets | f | Olympic Medalists | |
| Inge I the Elder | m | Swedish Kings and Queens | |
| Inge I the Hunchback | m | Norwegian Kings and Queens | |
| Inge II | m | Norwegian Kings and Queens | |
| Inge II the Younger | m | Swedish Kings and Queens | |
| Inge Helten | f | Olympic Medalists | |
| Ingeborg Schmitz | f | Olympic Medalists | |
| Ingemar Johansson | m | Olympic Medalists | |
| Inger Miller | f | Olympic Medalists | |
| Ingólfur Arnarson | m | Notable Explorers and Adventurers | |
| Ingrid Alexandra of Norway | f | Other Royalty | |
| Ingrid of Sweden | f | Saints | |
| Ingrid of Sweden | f | Other Royalty | |
| Ingrid Bergman | f | Notable Actors and Entertainers, Oscar Award Winners, Tony Award Winners | |
| Ingrid Lempereur | f | Olympic Medalists | |
| Ingrid Lotz | f | Olympic Medalists | |
| Ingrid Mickler-Becker | f | Olympic Medalists | |
| Ingrid Schmidt | f | Olympic Medalists | |
| Ingyo | m | Japanese Emperors | |
| Inha Babakova | f | Olympic Medalists | |
| Íñigo of Oña | m | Saints | |
| Inna Lasovskaya | f | Olympic Medalists | |
| Inna Osypenko-Radomska | f | Olympic Medalists | |
| Innocent | m | Bishops of Rome and the Popes | |
| Innocent I | m | Bishops of Rome and the Popes, Saints | |
| Innocent II | m | Bishops of Rome and the Popes | |
| Innocent III | m | Bishops of Rome and the Popes | |
| Innocent IV | m | Bishops of Rome and the Popes | |
| Innocent IX | m | Bishops of Rome and the Popes | |
| Innocent V | m | Bishops of Rome and the Popes, Saints | |
| Innocent VI | m | Bishops of Rome and the Popes | |
| Innocent VII | m | Bishops of Rome and the Popes | |
| Innocent VIII | m | Bishops of Rome and the Popes | |
| Innocent X | m | Bishops of Rome and the Popes | |
| Innocent XI | m | Bishops of Rome and the Popes, Saints | |
| Innocent XII | m | Bishops of Rome and the Popes | |
| Innocent XIII | m | Bishops of Rome and the Popes | |
| Innocent Egbunike | m | Olympic Medalists | |
| Ioamnet Quintero | f | Olympic Medalists | |
| Ioannis Malokinis | m | Olympic Medalists | |
| Ioannis Persakis | m | Olympic Medalists | |
| Ioannis Theodoropoulos | m | Olympic Medalists | |
| Iolanda Balaș | f | Notable Athletes, Olympic Medalists | |
| Ion Bîrlădeanu | m | Olympic Medalists | |
| Ippolito Galantini | m | Saints | |
| Ira | m | Biblical Characters | |
| Ira | m | Biblical Characters | |
| Ira | m | Biblical Characters | |
| Ira Buchman | m | Fictional Characters from Television | |
| Ira Davenport | m | Olympic Medalists | |
| Ira Murchison | m | Olympic Medalists | |
| Irena Szewińska | f | Notable Athletes, Olympic Medalists | |
| Irena Szydłowska | f | Olympic Medalists | |
| Irena Vrkljan | f | Notable Writers | |
| Irenaeus | m | Saints | |
| Irene | f | Roman and Byzantine Emperors | |
| Irene of Thessalonica | f | Saints | |
| Irene Guest | f | Olympic Medalists | |
| Irène Joliot-Curie | f | Nobel Prize Winners, Notable Scientists and Inventors | |
| Irene Steer | f | Olympic Medalists | |
| Irène Verhœven | f | Fictional Characters from Books | |
| Irereo Fáthach | m | Characters in Celtic Mythology, Irish Kings | |
| Íriel Fáid | m | Characters in Celtic Mythology, Irish Kings | |
| Irina Beglyakova | f | Olympic Medalists | |
| Irina Belova | f | Olympic Medalists | |
| Irina Gerlits | f | Olympic Medalists | |
| Irina Khabarova | f | Olympic Medalists | |
| Irina Minkh | f | Olympic Medalists | |
| Irina Nazarova | f | Olympic Medalists | |
| Irina Osipova | f | Olympic Medalists | |
| Irina Privalova | f | Olympic Medalists | |
| Irina Sokolovskaya | f | Olympic Medalists | |
| Irina Sumnikova | f | Olympic Medalists | |
| Irina Tolkunova | f | Olympic Medalists | |
| Irini Poulos | f | Fictional Characters from Television | |
| Iris Murdoch | f | Notable Writers | |
| Iris Tanner | f | Olympic Medalists | |
| Iris Zscherpe | f | Olympic Medalists | |
| Irma Heijting-Schuhmacher | f | Olympic Medalists | |
| Irma La Douce | f | Fictional Characters from Plays and Musicals | |
| Irv Harper | m | Fictional Characters from Television | |
| Irvine "Ace" Bailey | m | Hall-of-Famers, Notable Athletes | |
| Irving Baxter | m | Olympic Medalists | |
| Irving Langmuir | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Irving Meretsky | m | Olympic Medalists | |
| Irving Taylor | m | Olympic Medalists | |
| Irwin "Skippy" Handelman | m | Fictional Characters from Television | |
| Irwin Rose | m | Nobel Prize Winners | |
| Iryna Lishchynska | f | Olympic Medalists | |
| Iryna Pamialova | f | Olympic Medalists | |
| Iryna Yatchenko | f | Olympic Medalists | |
| Isaac I Comnenus | m | Roman and Byzantine Emperors | |
| Isaac of Cordoba | m | Saints | |
| Isaac II Angelus | m | Roman and Byzantine Emperors | |
| Isaac Asimov | m | Notable Writers | |
| Isaac Bentham | m | Olympic Medalists | |
| Isaac Bruce | m | Hall-of-Famers | |
| Isaac Hanson | m | Notable Musicians | |
| Isaac Hempstead-Wright | m | Notable Actors and Entertainers | |
| Isaac Mendez | m | Fictional Characters from Television | |
| Isaac Newton | m | Notable Philosophers and Thinkers, Notable Scientists and Inventors | |
| Isaac Bashevis Singer | m | Nobel Prize Winners, Notable Writers | |
| Isabel I the Catholic | f | Spanish Kings and Queens | |
| Isabel II the Glorious | f | Spanish Kings and Queens | |
| Isabel of Aragon | f | Saints | |
| Isabel Evans | f | Fictional Characters from Books, Fictional Characters from Television | |
| Isabel Sanford | f | Emmy Award Winners, Notable Actors and Entertainers | |
| Isabella Knightley | f | Fictional Characters from Books | |
| Isabella Ochichi | f | Olympic Medalists | |
| Isabella Thorpe | f | Fictional Characters from Books | |
| Isabelle of France | f | Saints | |
| Isabelle Adjani | f | Notable Actors and Entertainers | |
| Isabelle Daniels | f | Olympic Medalists | |
| Isabelle White | f | Olympic Medalists | |
| Isaiah of Rostov | m | Saints | |
| Akasaki Isamu | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Isfrid of Ratzeburg | m | Saints | |
| Ishi | m | Biblical Characters | |
| Ishi | m | Biblical Characters | |
| Ishi | m | Biblical Characters | |
| Ishi | m | Biblical Characters | |
| Ishmael | m | Biblical Characters | |
| Ishmael | m | Biblical Characters | |
| Ishmael | m | Biblical Characters | |
| Ishmael | m | Biblical Characters | |
| Ishmael | m | Biblical Characters | |
| Ishmael | m | Biblical Characters | |
| Isiah Thomas | m | Hall-of-Famers, Notable Athletes | |
| Isidor Isaac Rabi | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Isidore of Alexandria | m | Saints | |
| Isidore of Pelusium | m | Saints | |
| Isidore of Saint Joseph | m | Saints | |
| Isidore of Seville | m | Notable Philosophers and Thinkers, Saints | |
| Isidore the Farmer | m | Saints | |
| Isidore Bakanja | m | Saints | |
| İsmail Hacıoğlu | m | Notable Actors and Entertainers | |
| Ismail Merchant | m | Notable Filmmakers | |
| Ismo Falck | m | Olympic Medalists | |
| Issachar | m | Biblical Characters | |
| Isshiah | m | Biblical Characters | |
| Isshiah | m | Biblical Characters | |
| Isshiah | m | Biblical Characters | |
| Isshiah | m | Biblical Characters | |
| Istucarius of Sebaste | m | Saints | |
| István II | m | Hungarian Kings and Queens | |
| István III | m | Hungarian Kings and Queens | |
| István IV | m | Hungarian Kings and Queens | |
| István V | m | Hungarian Kings and Queens | |
| István Barta | m | Olympic Medalists | |
| István Gergely | m | Olympic Medalists | |
| István Hasznos | m | Olympic Medalists | |
| István Hevesi | m | Olympic Medalists | |
| István Magas | m | Olympic Medalists | |
| István Molnár | m | Olympic Medalists | |
| István Szívós | m | Olympic Medalists | |
| István Udvardi | m | Olympic Medalists | |
| Ita of Killeedy | f | Saints | |
| Iulică Ruican | m | Olympic Medalists | |
| Ivailo | m | Bulgarian Kings and Tsars | |
| Ivan Asen I | m | Bulgarian Kings and Tsars | |
| Ivan Asen II | m | Bulgarian Kings and Tsars | |
| Ivan Asen III | m | Bulgarian Kings and Tsars | |
| Ivan I | m | Russian Grand Dukes and Tsars | |
| Ivan II | m | Russian Grand Dukes and Tsars | |
| Ivan III the Great | m | Russian Grand Dukes and Tsars | |
| Ivan IV the Terrible | m | Russian Grand Dukes and Tsars | |
| Ivan Shishman | m | Bulgarian Kings and Tsars | |
| Ivan Sratsimir | m | Bulgarian Kings and Tsars | |
| Ivan Stefan | m | Bulgarian Kings and Tsars | |
| Ivan V | m | Russian Grand Dukes and Tsars | |
| Ivan VI | m | Russian Grand Dukes and Tsars | |
| Ivan Vladislav | m | Bulgarian Kings and Tsars | |
| Ivan Ivanov Bagryanov | m | Bulgarian Presidents and Prime Ministers | |
| Ivan Buljubašić | m | Notable Athletes, Olympic Medalists | |
| Ivan Bunin | m | Nobel Prize Winners, Notable Writers | |
| Ivan Dresser | m | Olympic Medalists | |
| Ivan Dvorny | m | Olympic Medalists | |
| Ivan Edeshko | m | Olympic Medalists | |
| Ivan Fuqua | m | Olympic Medalists | |
| Iván García | m | Olympic Medalists | |
| Ivan Gubijan | m | Olympic Medalists | |
| Ivan Gundulić | m | Notable Writers | |
| Ivan "Ching" Johnson | m | Hall-of-Famers | |
| Ivan Lendl | m | Notable Athletes | |
| Ivan Merz | m | Saints | |
| Ivan Möller | m | Olympic Medalists | |
| Iván Moro | m | Olympic Medalists | |
| Ivan Pavlov | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Iván Pedroso | m | Olympic Medalists | |
| Ivan Reitman | m | Notable Filmmakers | |
| Ivan Stedman | m | Olympic Medalists | |
| Ivan Sunara | m | Olympic Medalists | |
| Ivan Turgenev | m | Notable Writers | |
| Ivan Ziatyk | m | Saints | |
| Ivana Kindl | f | Notable Musicians | |
| Ivana Lovrić | f | Notable Athletes | |
| Ivanka Khristova | f | Olympic Medalists | |
| Ivar Giaever | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Ivar Stukolkin | m | Olympic Medalists | |
| Ivica Dačić | m | Other Leaders | |
| Ivica Kostelić | m | Notable Athletes, Olympic Medalists | |
| Ivica Kurtini | m | Olympic Medalists | |
| Ivo of Kermartin | m | Saints | |
| Ivo Andrić | m | Nobel Prize Winners, Notable Writers | |
| Ivo Cipci | m | Olympic Medalists | |
| Ivo Daneu | m | Olympic Medalists | |
| Ivo Gregurević | m | Notable Actors and Entertainers | |
| Ivo Štakula | m | Olympic Medalists | |
| Ivo Trumbić | m | Olympic Medalists | |
| Ivo Van Damme | m | Olympic Medalists | |
| Ivy Baker | f | Fictional Characters from Television | |
| Iwan Thomas | m | Olympic Medalists | |
| Sanjo | m | Japanese Emperors | |
| Iziaslav I | m | Russian Grand Dukes and Tsars | |
| Iziaslav II | m | Russian Grand Dukes and Tsars | |
| Iziaslav III | m | Russian Grand Dukes and Tsars | |
| Jaak Lipso | m | Olympic Medalists | |
| Jaak Mae | m | Olympic Medalists | |
| Jaak Uudmäe | m | Olympic Medalists | |
| Jaap Meijer | m | Olympic Medalists | |
| Jaazaniah | m | Biblical Characters | |
| Jaazaniah | m | Biblical Characters | |
| Jaazaniah | m | Biblical Characters | |
| Jaazaniah | m | Biblical Characters | |
| Jabir ibn Hayyan | m | Notable Scientists and Inventors | |
| Jacek Wszoła | m | Olympic Medalists | |
| Jachin | m | Biblical Characters | |
| Jachin | m | Biblical Characters | |
| Jachin | m | Biblical Characters | |
| Jacinta Marto | f | Saints | |
| Jacinto Benavente | m | Nobel Prize Winners, Notable Writers | |
| Jack | m | Fictional Characters from Traditional Tales | |
| Captain Jack Absolute | m | Fictional Characters from Plays and Musicals | |
| Jack Adams | m | Hall-of-Famers, Notable Athletes | |
| Jack Albertson | m | Emmy Award Winners, Notable Actors and Entertainers, Oscar Award Winners | |
| Jack Arnold | m | Fictional Characters from Television | |
| Jack Benny | m | Emmy Award Winners, Notable Actors and Entertainers | |
| Jack Berger | m | Fictional Characters from Television | |
| Jack Bruce | m | Rock and Roll Hall-of-Famers | |
| Jack Butler | m | Hall-of-Famers | |
| Jack Chase | m | Fictional Characters from Television | |
| Jack Chesbro | m | Hall-of-Famers | |
| Jack Christiansen | m | Hall-of-Famers | |
| Jack "J. D." Darius | m | Fictional Characters from Television | |
| Jack Darragh | m | Hall-of-Famers, Notable Athletes | |
| Jack Dawson | m | Fictional Characters from Movies | |
| Jack Dempsey | m | Notable Athletes | |
| Jack Frost | m | Fictional Characters from Books, Fictional Characters from Television | |
| Jack Gallo | m | Fictional Characters from Television | |
| Jack Geller | m | Fictional Characters from Television | |
| Jack Ham | m | Hall-of-Famers | |
| Jack Hatfield | m | Olympic Medalists | |
| Jack Hodgins | m | Fictional Characters from Television | |
| Jack Hodgson | m | Fictional Characters from Television | |
| Jack Hudson | m | Fictional Characters from Television | |
| Jack Huey | m | Fictional Characters from Television | |
| Jack Hunter | m | Fictional Characters from Television | |
| Jack Johnson | m | Notable Athletes | |
| Jack Johnson | m | Fictional Characters from Television | |
| Jack Kerouac | m | Notable Writers | |
| Jack Kilby | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Jack Klugman | m | Emmy Award Winners, Notable Actors and Entertainers | |
| Jack Lambert | m | Hall-of-Famers | |
| Jack Laviolette | m | Hall-of-Famers, Notable Athletes | |
| Jack Lemmon | m | Notable Actors and Entertainers, Oscar Award Winners | |
| Jack London | m | Notable Writers | |
| Jack London | m | Olympic Medalists | |
| Jack Mannion | m | Fictional Characters from Television | |
| Jack Marshall | m | Hall-of-Famers | |
| Jack McCracken | m | Hall-of-Famers | |
| Jack McPhee | m | Fictional Characters from Television | |
| Jack Nicholson | m | Notable Actors and Entertainers, Oscar Award Winners | |
| Jack Nicklaus | m | Notable Athletes | |
| Jack Oosterlaak | m | Olympic Medalists | |
| Jack Palance | m | Notable Actors and Entertainers, Oscar Award Winners | |
| Jack Pierce | m | Olympic Medalists | |