| Name | Gender | Categories | |
|---|
| George Lucas | m | Notable Filmmakers |  |
| Jerry Lucas | m | Hall-of-Famers, Notable Athletes, Olympic Medalists | |
| Robert Lucas Jr. | m | Nobel Prize Winners | |
| Lucian of Antioch | m | Saints | |
| Lucian of Beauvais | m | Saints | |
| Lucian of Samosata | m | Notable Writers | |
| Lucky Luciano | m | Notable Evildoers | |
| Lucilius | m | Shakespearian Characters | |
| Aurelian | m | Roman and Byzantine Emperors | |
| Caracalla | m | Roman and Byzantine Emperors | |
| Commodus | m | Roman and Byzantine Emperors | |
| Lucius | m | Shakespearian Characters | |
| Lucius I | m | Bishops of Rome and the Popes, Saints | |
| Lucius II | m | Bishops of Rome and the Popes | |
| Lucius III | m | Bishops of Rome and the Popes | |
| Lucius of Britain | m | Saints | |
| Lucius of Cyrene | m | Biblical Characters, Saints | |
| Lucius Verus | m | Roman and Byzantine Emperors | |
| Septimius Severus | m | Roman and Byzantine Emperors | |
| Sid Luckman | m | Hall-of-Famers | |
| Lucy | f | Saints | |
| Ludan | m | Saints | |
| Camilla Luddington | f | Notable Actors and Entertainers | |
| Ludger | m | Saints | |
| Adolphus Ludigo-Mkasa | m | Saints | |
| Ludmila of Bohemia | f | Saints | |
| Ludovico of Casoria | m | Saints | |
| Louis I the Pious | m | Frankish and French Kings, German Kings and Holy Roman Emperors | |
| Ludwig II of Bavaria | m | Other Royalty | |
| Ludwig II the Younger | m | German Kings and Holy Roman Emperors | |
| Ludwig III the Child | m | German Kings and Holy Roman Emperors | |
| Ludwig IV | m | German Kings and Holy Roman Emperors | |
| Lajos I the Great | m | Hungarian Kings and Queens, Polish High Dukes and Kings | |
| Werner Lueg | m | Olympic Medalists | |
| Sofía Lugo | f | Fictional Characters from Television | |
| Luigne | m | Characters in Celtic Mythology, Irish Kings | |
| Luís | m | Portuguese Kings and Queens | |
| Luis I | m | Spanish Kings and Queens | |
| Omar Luis | m | Olympic Medalists | |
| Hank Luisetti | m | Hall-of-Famers | |
| Danilo Luiz da Silva | m | Olympic Medalists | |
| Symeon Lukach | m | Saints | |
| Paul Lukas | m | Notable Actors and Entertainers, Oscar Award Winners | |
| Luke Thaumaturgus | m | Saints | |
| Luke the Evangelist | m | Biblical Characters, Saints | |
| Frank Lukeman | m | Olympic Medalists | |
| Adrian Lukis | m | Notable Actors and Entertainers | |
| Darius Lukminas | m | Olympic Medalists | |
| Yevgeny Lukyanenko | m | Olympic Medalists | |
| Lulach the Simple | m | Scottish Kings and Queens | |
| Lullus | m | Saints | |
| Jean-Baptiste Lully | m | Notable Musicians | |
| Harry Lumley | m | Hall-of-Famers | |
| Ragnar Lundberg | m | Olympic Medalists | |
| Katrine Lunde | f | Notable Athletes, Olympic Medalists | |
| Sven Lundgren | m | Olympic Medalists | |
| Kurt Lundquist | m | Olympic Medalists | |
| Noemi Lung | f | Olympic Medalists | |
| Emilio Lunghi | m | Olympic Medalists | |
| Jacques Lunis | m | Olympic Medalists | |
| Luo Xi | f | Olympic Medalists | |
| Luo Xuejuan | f | Olympic Medalists | |
| Lupe | f | Fictional Characters from Television | |
| Remus Lupin | m | Harry Potter Characters | |
| Lupus of Troyes | m | Saints | |
| Salvador Luria | m | Nobel Prize Winners | |
| Alison Lurie | f | Notable Writers, Pulitzer Award Winners | |
| Jānis Lūsis | m | Olympic Medalists | |
| Lutgarde | f | Saints | |
| Hans Luther | m | German Chancellors and Presidents | |
| Martin Luther | m | Notable Philosophers and Thinkers | |
| Albert Lutuli | m | Nobel Prize Winners | |
| Jimmy LuValle | m | Olympic Medalists | |
| Helen Luz | f | Olympic Medalists | |
| Charles Lwanga | m | Saints | |
| André Michel Lwoff | m | Nobel Prize Winners | |
| Lycerius | m | Saints | |
| Lydia of Thyatira | f | Biblical Characters, Saints | |
| Dan Lydiate | m | Notable Athletes | |
| John Lydon | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Peder Lykkeberg | m | Olympic Medalists | |
| William R. "Link" Lyman | m | Hall-of-Famers | |
| David Lynch | m | Notable Filmmakers | |
| John Lynch | m | Notable Actors and Entertainers | |
| Susan Lynch | f | Notable Actors and Entertainers | |
| Nicholas Lyndhurst | m | Notable Actors and Entertainers | |
| Feodor Felix Konrad Lynen | m | Nobel Prize Winners | |
| Lonnie "Common" Lynn | m | Notable Actors and Entertainers, Notable Musicians | |
| Loretta Lynn | f | Notable Musicians | |
| Madeline Lynn | f | Fictional Characters from Television | |
| Vera Lynn | f | Notable Musicians | |
| Jeff Lynne | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Jennifer Lyons | f | Fictional Characters from Television | |
| Joseph Lyons | m | Australian Prime Ministers | |
| Nola Lyons | f | Fictional Characters from Television | |
| Ted Lyons | m | Hall-of-Famers, Notable Athletes | |
| Anders Lyrbring | m | Olympic Medalists | |
| Lysippos | m | Notable Artists | |
| Roman Lysko | m | Saints | |
| Leonid Lytvynenko | m | Olympic Medalists | |
| Ma Jin | f | Olympic Medalists | |
| Ma Long | m | Notable Athletes, Olympic Medalists | |
| Ma Xiangjun | f | Olympic Medalists | |
| Jenny Maakal | f | Olympic Medalists | |
| Kaarlo Maaninka | m | Olympic Medalists | |
| Annelies Maas | f | Olympic Medalists | |
| Bob Maas | m | Olympic Medalists | |
| Maaseiah | m | Biblical Characters | |
| Maaseiah | m | Biblical Characters | |
| Maaseiah | m | Biblical Characters | |
| Maaseiah | m | Biblical Characters | |
| Maaseiah | m | Biblical Characters | |
| Maaseiah | m | Biblical Characters | |
| Maaseiah | m | Biblical Characters | |
| Maaseiah | m | Biblical Characters | |
| Maaseiah | m | Biblical Characters | |
| Maaseiah | m | Biblical Characters | |
| Maaseiah | m | Biblical Characters | |
| Maaseiah | m | Biblical Characters | |
| Maaseiah | m | Biblical Characters | |
| Maaseiah | m | Biblical Characters | |
| Maaseiah | m | Biblical Characters | |
| Maaseiah | m | Biblical Characters | |
| Maaseiah | m | Biblical Characters | |
| Maaseiah | m | Biblical Characters | |
| Wangari Maathai | f | Nobel Prize Winners | |
| Eilert Määttä | m | Olympic Medalists | |
| Polly Maberly | f | Notable Actors and Entertainers | |
| Cal MacAninch | m | Notable Actors and Entertainers | |
| Macarius of Alexandria | m | Saints | |
| Macarius of Egypt | m | Saints | |
| Ed Macauley | m | Hall-of-Famers, Notable Athletes | |
| Mac Bethad | m | Scottish Kings and Queens, Shakespearian Characters | |
| Seán MacBride | m | Nobel Prize Winners | |
| Ralph Macchio | m | Notable Actors and Entertainers | |
| Alan MacDiarmid | m | Nobel Prize Winners | |
| John A. Macdonald | m | Canadian Prime Ministers | |
| Julien Macdonald | m | Notable Artists | |
| Oliver Macdonald | m | Olympic Medalists | |
| Ramsay MacDonald | m | British Prime Ministers | |
| Trey MacDougal | m | Fictional Characters from Television | |
| Amy MacDougall Barone | f | Fictional Characters from Television | |
| Ernst Mach | m | Notable Scientists and Inventors | |
| Macha | f | Characters in Celtic Mythology, Irish Kings | |
| Bernardino Machado | m | Portuguese Presidents and Prime Ministers | |
| Vinicius Machado | m | Notable Actors and Entertainers | |
| Niccolò Machiavelli | m | Notable Philosophers and Thinkers | |
| Emy Machnow | f | Olympic Medalists | |
| Oscar Macías | m | Olympic Medalists | |
| Al MacInnis | m | Hall-of-Famers, Notable Athletes | |
| Leanne MacIntyre | f | Fictional Characters from Television | |
| John Macionis | m | Olympic Medalists | |
| Connie Mack | m | Hall-of-Famers | |
| Timothy Mack | m | Olympic Medalists | |
| Tom Mack | m | Hall-of-Famers | |
| Æneas Mackay | m | Dutch Prime Ministers | |
| Andy Mackay | m | Rock and Roll Hall-of-Famers | |
| Mickey MacKay | m | Hall-of-Famers | |
| Nancy Mackay | f | Olympic Medalists | |
| Eulalie Mackecknie Shinn | f | Fictional Characters from Plays and Musicals | |
| Maurice MacKenraghty | m | Saints | |
| Alexander MacKenzie | m | Notable Explorers and Adventurers | |
| Alexander Mackenzie | m | Canadian Prime Ministers | |
| Cindy "Mac" Mackenzie | f | Fictional Characters from Television | |
| Linda Mackenzie | f | Olympic Medalists | |
| James "Biz" Mackey | m | Hall-of-Famers | |
| John Mackey | m | Hall-of-Famers | |
| Lise Mackie | f | Olympic Medalists | |
| Mary MacKillop | f | Saints | |
| Roderick MacKinnon | m | Nobel Prize Winners | |
| Bernard MacLaverty | m | Notable Writers | |
| Hannah Macleod | f | Olympic Medalists | |
| John James Rickard Macleod | m | Nobel Prize Winners | |
| Patrice de Mac-Mahon | m | French Presidents and Prime Ministers | |
| Harold Macmillan | m | British Prime Ministers | |
| Captain Macmorris | m | Shakespearian Characters | |
| Angus MacNisse | m | Saints | |
| Macrina the Elder | f | Saints | |
| Macrina the Younger | f | Saints | |
| Garret Macy | m | Fictional Characters from Television | |
| Norbert Madaras | m | Olympic Medalists | |
| Fred Madden | m | Fictional Characters from Television | |
| John Madden | m | Hall-of-Famers | |
| Richard Madden | m | Notable Actors and Entertainers | |
| Madeleine of Sweden | f | Other Royalty | |
| Anna Madeley | f | Notable Actors and Entertainers | |
| Madelgisilus | m | Saints | |
| Cody Madison | m | Fictional Characters from Television | |
| Dolley Madison | f | American First Ladies | |
| Helene Madison | f | Olympic Medalists | |
| James Madison | m | American Presidents | |
| Michael Madsen | m | Notable Actors and Entertainers | |
| Nicolás Maduro | m | Other Leaders | |
| Jaak Mae | m | Olympic Medalists | |
| Hideko Maehata | f | Olympic Medalists | |
| Máel Coluim I | m | Scottish Kings and Queens | |
| Máel Coluim II | m | Scottish Kings and Queens | |
| Máel Coluim III Canmore Bighead | m | Scottish Kings and Queens, Shakespearian Characters | |
| Máel Sechnaill mac Domnaill | m | Irish Kings | |
| Máel Sechnaill mac Máel Ruanaida | m | Irish Kings | |
| Maurice Maeterlinck | m | Nobel Prize Winners, Notable Writers | |
| István Magas | m | Olympic Medalists | |
| Pua Magasiva | m | Notable Actors and Entertainers | |
| Herb Magee | m | Hall-of-Famers | |
| Ferdinand Magellan | m | Notable Explorers and Adventurers | |
| Josh Magennis | m | Notable Athletes | |
| Maurren Maggi | f | Olympic Medalists | |
| Maggie May | f | Fictional Characters from Song Titles | |
| Maglorius | m | Saints | |
| Filippo Magnini | m | Olympic Medalists | |
| Magnus Felix Ennodius | m | Saints | |
| Magnús Guðmundsson | m | Icelandic Presidents and Prime Ministers | |
| Magnus I the Good | m | Danish Kings and Queens, Norwegian Kings and Queens | |
| Magnus I the Strong | m | Swedish Kings and Queens | |
| Magnus II | m | Norwegian Kings and Queens | |
| Magnus II | m | Swedish Kings and Queens | |
| Magnus III Barefoot | m | Norwegian Kings and Queens | |
| Magnus III Ladulas | m | Swedish Kings and Queens | |
| Magnus IV | m | Norwegian Kings and Queens, Swedish Kings and Queens | |
| Magnus IV the Blind | m | Norwegian Kings and Queens | |
| Magnus V | m | Norwegian Kings and Queens | |
| Magnus VI the Lawful | m | Norwegian Kings and Queens | |
| Christine Magnuson | f | Olympic Medalists | |
| Emil Magnusson | m | Olympic Medalists | |
| René Magritte | m | Notable Artists | |
| Devan Maguire | f | Fictional Characters from Television | |
| Emily Maguire | f | Olympic Medalists | |
| John Maguire | m | Fictional Characters from Television | |
| Mairead Maguire | f | Nobel Prize Winners, Notable Activists and Revolutionaries | |
| Valene Maharaj | f | Notable Actors and Entertainers | |
| Ben Maher | m | Olympic Medalists | |
| Robyn Maher | f | Olympic Medalists | |
| Naguib Mahfouz | m | Nobel Prize Winners, Notable Writers | |
| Walter Mahlendorf | m | Olympic Medalists | |
| Joseph Mahmoud | m | Olympic Medalists | |
| Mahmud I | m | Islamic Caliphs, Ottoman Sultans | |
| Mahmud II | m | Islamic Caliphs, Ottoman Sultans | |
| Frank Mahovlich | m | Hall-of-Famers, Notable Athletes | |
| Carlos Maia Pinto | m | Portuguese Presidents and Prime Ministers | |
| Sepp Maier | m | Notable Athletes | |
| Norman Mailer | m | Notable Writers, Pulitzer Award Winners | |
| Moses Maimonides | m | Notable Philosophers and Thinkers | |
| Orry Main | m | Fictional Characters from Books, Fictional Characters from Television | |
| John Major | m | British Prime Ministers | |
| Majoricus | m | Saints | |
| Jonathan Majors | m | Notable Actors and Entertainers | |
| Aleksandr Makarov | m | Olympic Medalists | |
| Oleg Makarov | m | Olympic Medalists | |
| Sergey Makarov | m | Olympic Medalists | |
| Petkana Makaveeva | f | Olympic Medalists | |
| Tapio Mäkelä | m | Olympic Medalists | |
| Harry Makepeace | f | Fictional Characters from Television | |
| Andrey Makeyev | m | Olympic Medalists | |
| Charbel Makhluf | m | Saints | |
| Mako | m | Notable Actors and Entertainers | |
| Piotr Małachowski | m | Olympic Medalists | |
| Vadim Malakhatko | m | Notable Athletes | |
| Malamir | m | Bulgarian Kings and Tsars | |
| Bernard Malamud | m | Notable Writers, Pulitzer Award Winners | |
| José Malcampo | m | Spanish Prime Ministers | |
| Malchiah | m | Biblical Characters | |
| Malchiah | m | Biblical Characters | |
| Malchiah | m | Biblical Characters | |
| Malchiah | m | Biblical Characters | |
| Malchiah | m | Biblical Characters | |
| Malchiah | m | Biblical Characters | |
| Malchiah | m | Biblical Characters | |
| Malchiah | m | Biblical Characters | |
| Malchiah | m | Biblical Characters | |
| Malchiah | m | Biblical Characters | |
| Malchiah | m | Biblical Characters | |
| Malchiah | m | Biblical Characters | |
| Malchiah | m | Biblical Characters | |
| Tom Malchow | m | Olympic Medalists | |
| Malcolm IV the Maiden | m | Scottish Kings and Queens | |
| Karl Malden | m | Notable Actors and Entertainers, Oscar Award Winners | |
| Paolo Maldini | m | Notable Athletes | |
| Teoberto Maler | m | Notable Explorers and Adventurers | |
| Doris Maletzki | f | Olympic Medalists | |
| Kazimir Malevich | m | Notable Artists | |
| Lucius Malfoy | m | Fictional Characters from Books, Harry Potter Characters | |
| Terrence Malick | m | Notable Filmmakers | |
| Policarp Malîhin | m | Olympic Medalists | |
| Stefano Malinverni | m | Olympic Medalists | |
| John Malkovich | m | Notable Actors and Entertainers | |
| Donald "Ducky" Mallard | m | Fictional Characters from Television | |
| Tamzin Malleson | f | Notable Actors and Entertainers | |
| Tania Mallet | f | Notable Actors and Entertainers | |
| Seamus Mallon | m | Notable Politicians and Statespeople | |
| George Mallory | m | Notable Explorers and Adventurers | |
| Molla Mallory | f | Notable Athletes | |
| Malluch | m | Biblical Characters | |
| Malluch | m | Biblical Characters | |
| Malluch | m | Biblical Characters | |
| Malluch | m | Biblical Characters | |
| Malluch | m | Biblical Characters | |
| Malluch | m | Biblical Characters | |
| Sven Malm | m | Olympic Medalists | |
| Ioannis Malokinis | m | Olympic Medalists | |
| Joe Malone | m | Hall-of-Famers, Notable Athletes | |
| Karl Malone | m | Hall-of-Famers, Most Valuable Players, Notable Athletes, Olympic Medalists | |
| Moses Malone | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Valerie Malone | f | Fictional Characters from Television | |
| Michael Maloney | m | Notable Actors and Entertainers | |
| Jules Malou | m | Belgian Prime Ministers | |
| Rose Malouf | f | Fictional Characters from Television | |
| Ignatius Maloyan | m | Saints | |
| Malrubius | m | Saints | |
| Thomas Robert Malthus | m | Notable Philosophers and Thinkers | |
| Mammes of Caesarea | m | Saints | |
| Laure Manaudou | f | Olympic Medalists | |
| Nelson Mandela | m | Nobel Prize Winners, Notable Activists and Revolutionaries, Other Leaders | |
| Zindzi Mandela | f | Notable Politicians and Statespeople | |
| Janet Mander | f | Fictional Characters from Television | |
| Édouard Manet | m | Notable Artists | |
| Véronique Mang | f | Olympic Medalists | |
| Leo Ignatius Mangin | m | Saints | |
| Joe Mangus | m | Fictional Characters from Television | |
| Joseph L. Mankiewicz | m | Notable Filmmakers, Oscar Award Winners | |
| Dorothy Manley | f | Olympic Medalists | |
| Effa Manley | f | Hall-of-Famers | |
| Delbert Mann | m | Notable Filmmakers, Oscar Award Winners | |
| Michael Mann | m | Notable Filmmakers | |
| Ralph Mann | m | Olympic Medalists | |
| Thomas Mann | m | Nobel Prize Winners, Notable Writers | |
| Thompson Mann | m | Olympic Medalists | |
| Paolo Manna | m | Saints | |
| Luigi Mannelli | m | Olympic Medalists | |
| Maurizio Mannelli | m | Olympic Medalists | |
| Bobby Manning | m | Fictional Characters from Television | |
| Curtis Manning | m | Fictional Characters from Television | |
| Grace Manning | f | Fictional Characters from Television | |
| Jake Manning | m | Fictional Characters from Television | |
| Lily Manning | f | Fictional Characters from Television | |
| Jack Mannion | m | Fictional Characters from Television | |
| Lia Manoliu | f | Olympic Medalists | |
| Juan Manrique | m | Olympic Medalists | |
| Nigel Mansell | m | Notable Athletes | |
| Jayne Mansfield | f | Notable Actors and Entertainers | |
| Peter Mansfield | m | Nobel Prize Winners | |
| Charles Manson | m | Notable Evildoers | |
| Andrea Mantegna | m | Notable Artists | |
| Hilary Mantel | f | Notable Writers | |
| Sylvio Mantha | m | Hall-of-Famers | |
| Mickey Mantle | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Maria Domenica Mantovani | f | Saints | |
| Manuel I Comnenus | m | Roman and Byzantine Emperors | |
| Manuel I the Fortunate | m | Portuguese Kings and Queens | |
| Manuel II | m | Portuguese Kings and Queens | |
| Manuel II Palaeologus | m | Roman and Byzantine Emperors | |
| Heinie Manush | m | Hall-of-Famers | |
| Lesley Manville | f | Notable Actors and Entertainers | |
| Josep Manyanet i Vives | m | Saints | |
| Phil Manzanera | m | Rock and Roll Hall-of-Famers | |
| Mao Zedong | m | Other Leaders | |
| Tim Mara | m | Hall-of-Famers | |
| Wellington Mara | m | Hall-of-Famers | |
| Roxana Maracineanu | f | Olympic Medalists | |
| Lee Maracle | f | Notable Writers | |
| Diego Maradona | m | Notable Athletes | |
| Jean Marais | m | Notable Actors and Entertainers | |
| Anthony Marantino | m | Fictional Characters from Television | |
| Walter "Rabbit" Maranville | m | Hall-of-Famers | |
| Pete Maravich | m | Hall-of-Famers, Notable Athletes | |
| Hortência Marcari | f | Hall-of-Famers, Notable Athletes, Olympic Medalists | |
| Marcel Marceau | m | Notable Actors and Entertainers | |
| Marcella | f | Saints | |
| Marcellinus | m | Bishops of Rome and the Popes, Saints | |
| Marcellinus of Carthage | m | Saints | |
| Marcellus I | m | Bishops of Rome and the Popes, Saints | |
| Marcellus II | m | Bishops of Rome and the Popes | |
| Marcellus the Centurion | m | Saints | |
| Amy March | f | Fictional Characters from Books | |
| Beth March | f | Fictional Characters from Books | |
| Fredric March | m | Notable Actors and Entertainers, Oscar Award Winners, Tony Award Winners | |
| Jo March | f | Fictional Characters from Books | |
| Julie March | f | Fictional Characters from Television | |
| Meg March | f | Fictional Characters from Books | |
| Robert Marchal | m | Olympic Medalists | |
| Joseph Marchand | m | Saints | |
| Gino Marchetti | m | Hall-of-Famers, Notable Athletes | |
| Marcian | m | Roman and Byzantine Emperors, Saints | |
| Marcian of Tortona | m | Saints | |
| Marciana of Mauretania | f | Saints | |
| Rocky Marciano | m | Notable Athletes | |
| Marcionilla | f | Saints | |
| Kęstutis Marčiulionis | m | Olympic Medalists | |
| Šarūnas Marčiulionis | m | Hall-of-Famers, Notable Athletes, Olympic Medalists | |
| Marco | m | Hurricanes and Tropical Storms | |
| Donna Marco | f | Fictional Characters from Television | |
| Denis Marconato | m | Olympic Medalists | |
| Guglielmo Marconi | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Ferdinand Marcos | m | Other Leaders | |
| Marculf | m | Saints | |
| Aemilian | m | Roman and Byzantine Emperors | |
| Alexander Severus | m | Roman and Byzantine Emperors | |
| Carinus | m | Roman and Byzantine Emperors | |
| Carus | m | Roman and Byzantine Emperors | |
| Claudius II Gothicus | m | Roman and Byzantine Emperors | |
| Constantius I Chlorus | m | Roman and Byzantine Emperors | |
| Didius Julianus | m | Roman and Byzantine Emperors | |
| Florian | m | Roman and Byzantine Emperors | |
| Gordian I | m | Roman and Byzantine Emperors | |
| Gordian II | m | Roman and Byzantine Emperors | |
| Gordian III | m | Roman and Byzantine Emperors | |
| Macrinus | m | Roman and Byzantine Emperors | |
| Marcus Aurelius | m | Notable Philosophers and Thinkers, Roman and Byzantine Emperors | |
| Marcus Licinius Crassus | m | Notable Military Figures, Notable Politicians and Statespeople | |
| Maxentius | m | Roman and Byzantine Emperors | |
| Maximian | m | Roman and Byzantine Emperors | |
| Nerva | m | Roman and Byzantine Emperors | |
| Numerian | m | Roman and Byzantine Emperors | |
| Otho | m | Roman and Byzantine Emperors | |
| Philip the Arab | m | Roman and Byzantine Emperors | |
| Probus | m | Roman and Byzantine Emperors | |
| Pupienus | m | Roman and Byzantine Emperors | |
| Quintillus | m | Roman and Byzantine Emperors | |
| Tacitus | m | Roman and Byzantine Emperors | |
| Trajan | m | Roman and Byzantine Emperors | |
| Rudolph A. Marcus | m | Nobel Prize Winners | |
| Tamás Märcz | m | Olympic Medalists | |
| Maria Stella Mardosewicz | f | Saints | |
| Ruggero Maregatti | m | Olympic Medalists | |
| Philippa Mareri | f | Saints | |
| Josep Maria Margall | m | Olympic Medalists | |
| Margaret of Antioch | f | Saints | |
| Margaret of Connaught | f | Other Royalty | |
| Margaret of Cortona | f | Saints | |
| Margaret of Hungary | f | Saints | |
| Margaret of Louvain | f | Saints | |
| Margaret of Scotland | f | Saints | |
| Margaret the Maid of Norway | f | Scottish Kings and Queens | |
| Margaret, Countess of Snowdon | f | Other Royalty | |
| Margrete I | f | Danish Kings and Queens, Norwegian Kings and Queens, Swedish Kings and Queens | |
| Margarita of Bourbon-Parma | f | Other Royalty | |
| Miriam Margolyes | f | Notable Actors and Entertainers | |
| Margrethe II | f | Danish Kings and Queens | |
| Marguerite d'Youville | f | Saints | |
| Julianna Margulies | f | Emmy Award Winners, Notable Actors and Entertainers | |
| Mária | f | Hungarian Kings and Queens | |
| Maria Anunciata of Liechtenstein | f | Other Royalty | |
| Maria Candida of the Eucharist | f | Saints | |
| Maria I | f | Portuguese Kings and Queens | |
| Maria II | f | Portuguese Kings and Queens | |
| Maria Sophie of Bavaria | f | Other Royalty | |
| Maria Theresa | f | Austrian Dukes and Emperors, Bohemian Kings, Hungarian Kings and Queens | |
| Mariana de Jesús de Paredes | f | Saints | |
| Orazio Mariani | m | Olympic Medalists | |
| Jess Mariano | m | Fictional Characters from Television | |
| Juan Marichal | m | Hall-of-Famers | |
| Xolo Maridueña | m | Notable Actors and Entertainers | |
| Marie Antoinette | f | Other Royalty | |
| Marie Astrid of Liechtenstein | f | Other Royalty | |
| Marie Caroline of Liechtenstein | f | Other Royalty | |
| Marie of Oignies | f | Saints | |
| Marie, Princess of Liechtenstein | f | Other Royalty | |
| Bruno Marie-Rose | m | Olympic Medalists | |
| Hanna Mariën | f | Olympic Medalists | |
| Claudiu Marin | m | Olympic Medalists | |
| Andrea Marino | f | Fictional Characters from Television | |
| Dan Marino | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Tereza Marinova | f | Olympic Medalists | |
| Marinus I | m | Bishops of Rome and the Popes | |
| Marinus II | m | Bishops of Rome and the Popes | |
| Shawn Marion | m | Olympic Medalists | |
| Marius | m | Fictional Characters from Movies, Fictional Characters from Plays and Musicals | |
| Mark | m | Bishops of Rome and the Popes, Saints | |
| Mark of Apollonias | m | Biblical Characters, Saints | |
| Mark the Evangelist | m | Coptic Popes and Patriarchs of Alexandria, Saints | |
| Boris Markarov | m | Olympic Medalists | |
| Ilene Markham | f | Fictional Characters from Television | |
| Kika Markham | f | Notable Actors and Entertainers | |
| Lydia Markham | f | Fictional Characters from Television | |
| Petra Markham | f | Notable Actors and Entertainers | |
| Viktor Markin | m | Olympic Medalists | |
| Marko | m | Serbian Kings, Tsars and Princes | |
| Ilya Markov | m | Olympic Medalists | |
| Khristo Markov | m | Olympic Medalists | |
| Jerry Markovic | m | Fictional Characters from Television | |
| Harry Markowitz | m | Nobel Prize Winners | |
| Leo Markus | m | Fictional Characters from Television | |
| Patrick Marleau | m | Olympic Medalists | |
| Joe Marler | m | Notable Athletes | |
| Christopher Marlowe | m | Notable Writers | |
| Columba Marmion | m | Saints | |
| Anémone Marmottan | f | Notable Athletes | |
| Zoran Marojević | m | Olympic Medalists | |
| Marolus | m | Saints | |
| Massimo Marone | m | Fictional Characters from Television | |
| Nick Marone | m | Fictional Characters from Television | |
| Rube Marquard | m | Hall-of-Famers | |
| Wlamir Marques | m | Olympic Medalists | |
| Ethel "Chuny" Márquez | f | Fictional Characters from Television | |
| Marquinhos | m | Notable Athletes | |
| Gail Marquis | f | Olympic Medalists | |
| Steve Marriott | m | Rock and Roll Hall-of-Famers | |
| Franklin Clarence Mars | m | Notable Businesspeople | |
| Keith Mars | m | Fictional Characters from Television | |
| Jean Marsh | f | Emmy Award Winners, Notable Actors and Entertainers | |
| Keanu Marsh-Brown | m | Notable Athletes | |
| Randy Marsh | m | Fictional Characters from Television | |
| Sharon Marsh | f | Fictional Characters from Television | |
| Shelly Marsh | f | Fictional Characters from Television | |
| Alex Marshall | m | Fictional Characters from Television | |
| Alfred Marshall | m | Notable Philosophers and Thinkers | |
| Barry Marshall | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Christine Marshall | f | Olympic Medalists | |
| George C. Marshall | m | Nobel Prize Winners, Notable Military Figures, Notable Politicians and Statespeople | |
| George Preston Marshall | m | Hall-of-Famers | |
| Jack Marshall | m | Hall-of-Famers | |
| Sante Marsili | m | Olympic Medalists | |
| Margot Marsman | f | Olympic Medalists | |
| Alberto Marson | m | Olympic Medalists | |
| Callie Martel | f | Fictional Characters from Television | |
| Charles Martel | m | Notable Military Figures, Notable Politicians and Statespeople, Other Royalty | |
| Adrienne Martelli | f | Olympic Medalists | |
| Maritza Martén | f | Olympic Medalists | |
| Märtha Louise of Norway | f | Other Royalty | |
| Martha of Bethany | f | Biblical Characters, Saints | |
| Antoni Martí | m | Other Leaders | |
| Martial | m | Notable Writers | |
| Jean Baptiste Gay, vicomte de Martignac | m | French Presidents and Prime Ministers | |
| Martín de Porres | m | Saints | |
| Martin I | m | Bishops of Rome and the Popes, Saints | |
| Martin IV | m | Bishops of Rome and the Popes | |
| Martin of Tours | m | Saints | |
| Martín the Kind | m | Spanish Kings and Queens | |
| Martin V | m | Bishops of Rome and the Popes | |
| Angela Martin | f | Fictional Characters from Television | |
| Archer John Porter Martin | m | Nobel Prize Winners | |
| Chris Martin | m | Notable Musicians | |
| Curtis Martin | m | Hall-of-Famers | |
| David "Whip" Martin | m | Fictional Characters from Television | |
| Dean Martin | m | Notable Actors and Entertainers, Notable Musicians | |
| Fernando Martín Espina | m | Olympic Medalists | |
| Frank Martin | m | Fictional Characters from Television | |
| Jude Martin | f | Fictional Characters from Television | |
| Miklós Martin | m | Olympic Medalists | |
| Paul Martin | m | Canadian Prime Ministers | |
| Rhona Martin | f | Olympic Medalists | |
| Richard Martin | m | Saints | |
| Roxbert Martin | m | Olympic Medalists | |
| Slater Martin | m | Hall-of-Famers, Notable Athletes | |
| Sonequa Martin-Green | f | Notable Actors and Entertainers | |
| Steffi Martin | f | Olympic Medalists | |
| Martina of Rome | f | Saints | |
| James Martinez | m | Fictional Characters from Television | |
| Mario Martínez | m | Notable Athletes | |
| Maybelis Martínez | f | Olympic Medalists | |
| Oscar Martinez | m | Fictional Characters from Television | |
| Glafira Martinovich | f | Olympic Medalists | |
| Harry Martinson | m | Nobel Prize Winners, Notable Writers | |
| Francisco Marto | m | Saints | |
| Jacinta Marto | f | Saints | |
| Martti Marttelin | m | Olympic Medalists | |
| Stefanie Marty | f | Olympic Medalists | |
| Sergei Martynov | m | Olympic Medalists | |
| Alberto Marvelli | m | Saints | |
| Gisele Marvin | f | Olympic Medalists | |
| Lee Marvin | m | Notable Actors and Entertainers, Oscar Award Winners | |
| Marwan II ibn Muhammad | m | Islamic Caliphs | |
| Groucho Marx | m | Notable Actors and Entertainers | |
| Karl Marx | m | Notable Philosophers and Thinkers | |
| Wilhelm Marx | m | German Chancellors and Presidents | |
| Mary I Queen of Scots | f | Scottish Kings and Queens | |
| Mary I Tudor | f | English and British Kings and Queens | |
| Mary II | f | English and British Kings and Queens, Scottish Kings and Queens | |
| Mary Magdalene | f | Biblical Characters, Saints | |
| Mary of Cerevellon | f | Saints | |
| Mary of Clopas | f | Biblical Characters, Saints | |
| Pierluigi Marzorati | m | Olympic Medalists | |
| Masaccio | m | Notable Artists | |
| Ando Masahashi | m | Fictional Characters from Television | |
| Go-Shirakawa | m | Japanese Emperors | |
| Ninmyo | m | Japanese Emperors | |
| Jesse Mashburn | m | Olympic Medalists | |
| Ali Masimli | m | Notable Politicians and Statespeople | |
| Tomas Masiulis | m | Olympic Medalists | |
| Toshihide Maskawa | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Eric Maskin | m | Nobel Prize Winners | |
| Darius Maskoliūnas | m | Olympic Medalists | |
| Abraham Maslow | m | Notable Philosophers and Thinkers | |
| Mason | m | Fictional Characters from Movies, Fictional Characters from Television | |
| Bertha Antoinetta Mason | f | Fictional Characters from Books | |
| Dave Mason | m | Rock and Roll Hall-of-Famers | |
| George Mason | m | Fictional Characters from Television | |
| Germaine Mason | m | Olympic Medalists | |
| Leo Mason | m | Fictional Characters from Television | |
| Nick Mason | m | Rock and Roll Hall-of-Famers | |
| Rosemary Mason | f | Fictional Characters from Television | |
| Mirza Masood | m | Olympic Medalists | |
| Josef Masopust | m | Notable Athletes | |
| Svetlana Masterkova | f | Olympic Medalists | |
| Martha M. Masters | f | Fictional Characters from Television | |
| Marcello Mastroianni | m | Notable Actors and Entertainers | |
| Richard Mateelong | m | Olympic Medalists | |
| Samuel Matete | m | Olympic Medalists | |
| John C. Mather | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Marshall "Eminem" Mathers | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Eddie Mathews | m | Hall-of-Famers, Notable Athletes | |
| Christy Mathewson | m | Hall-of-Famers, Notable Athletes | |
| Duchess Mathilde Ludovika in Bavaria | f | Other Royalty | |
| Mathilde of Belgium | f | Other Royalty | |
| Božidar Matić | m | Other Leaders | |
| Matilda of Ringelheim | f | Saints | |
| Matilde of the Sacred Heart | f | Saints | |
| Henri Matisse | m | Notable Artists | |
| Antony Matkovich | m | Olympic Medalists | |
| Marlee Matlin | f | Notable Actors and Entertainers, Oscar Award Winners | |
| Charlene Matlock | f | Fictional Characters from Television | |
| Glen Matlock | m | Rock and Roll Hall-of-Famers | |
| Tarsykiya Matskiv | f | Saints | |
| Randy "Doc" Matsuda | m | Fictional Characters from Television | |
| Hiroko Matsumoto | f | Notable Actors and Entertainers | |
| Nobuhiko Matsunaka | m | Olympic Medalists | |
| Matsuo Bashō | m | Notable Writers | |
| Daisuke Matsuzaka | m | Olympic Medalists | |
| Mattaniah | m | Biblical Characters | |
| Mattaniah | m | Biblical Characters | |
| Mattaniah | m | Biblical Characters | |
| Mattaniah | m | Biblical Characters | |
| Mattaniah | m | Biblical Characters | |
| Mattaniah | m | Biblical Characters | |
| Mattaniah | m | Biblical Characters | |
| Mattaniah | m | Biblical Characters | |
| Mattaniah | m | Biblical Characters | |
| Mattenai | m | Biblical Characters | |
| Mattenai | m | Biblical Characters | |
| Mattenai | m | Biblical Characters | |
| Roland Matthes | m | Olympic Medalists | |
| Matthew Gam Van Le | m | Saints | |
| Matthew the Evangelist | m | Biblical Characters, Saints | |
| Alan Matthews | m | Fictional Characters from Television | |
| Amy Matthews | f | Fictional Characters from Television | |
| Bruce Matthews | m | Hall-of-Famers | |
| Eric Matthews | m | Fictional Characters from Television | |
| Josh Matthews | m | Fictional Characters from Television | |
| Ken Matthews | m | Olympic Medalists | |
| Margaret Matthews | f | Olympic Medalists | |
| Morgan Matthews | f | Fictional Characters from Television | |
| Sinead Matthews | f | Notable Actors and Entertainers | |
| Stanley Matthews | m | Notable Athletes | |
| Wade Matthews | m | Fictional Characters from Television | |
| Matthias of Jerusalem | m | Saints | |
| Marcus Mattioli | m | Olympic Medalists | |
| Mattithiah | m | Biblical Characters | |
| Mattithiah | m | Biblical Characters | |
| Mattithiah | m | Biblical Characters | |
| Mattithiah | m | Biblical Characters | |
| Mattithiah | m | Biblical Characters | |
| Allie Matts | f | Fictional Characters from Television | |
| Gustaf Mattsson | m | Olympic Medalists | |
| Jurgis Matulaitis-Matulevičius | m | Saints | |
| Matthias | m | Austrian Dukes and Emperors, Bohemian Kings, German Kings and Holy Roman Emperors, Hungarian Kings and Queens | |
| Gisela Mauermayer | f | Olympic Medalists | |
| Maughold | m | Saints | |
| Julien Maunoir | m | Saints | |
| François Mauriac | m | Nobel Prize Winners, Notable Writers | |
| Maurice of Carnoet | m | Saints | |
| Maurus of Nitra | m | Saints | |
| Douglas Mawson | m | Notable Explorers and Adventurers | |
| Thomas Maxfield | m | Saints | |
| Maximilian I | m | Austrian Dukes and Emperors, German Kings and Holy Roman Emperors | |
| Maximilian of Baden | m | German Chancellors and Presidents | |
| Maximilian of Tebessa | m | Saints | |
| Maximinus | m | Saints | |
| Dimitrios Maximos | m | Greek Prime Ministers | |
| Maximus of Aquila | m | Saints | |
| Maximus of Rome | m | Saints | |
| Maximus the Confessor | m | Saints | |
| Ian Maxtone-Graham | m | Fictional Characters from Television | |
| Frederick George "Steamer" Maxwell | m | Hall-of-Famers | |
| James Clerk Maxwell | m | Notable Scientists and Inventors | |
| Stella Maxwell | f | Notable Actors and Entertainers | |
| Fiona May | f | Olympic Medalists | |
| James May | m | Notable Actors and Entertainers | |
| Scott May | m | Olympic Medalists | |
| Albert Mayaud | m | Olympic Medalists | |
| Wilhelm Maybach | m | Notable Scientists and Inventors | |
| Anthuan Maybank | m | Olympic Medalists | |
| Bronwyn Mayer | f | Olympic Medalists | |
| Julie Mayer | f | Fictional Characters from Television | |
| Mihály Mayer | m | Olympic Medalists | |
| René Mayer | m | French Presidents and Prime Ministers | |
| Alexander Mayeta | m | Olympic Medalists | |
| Dylan Mayfair | f | Fictional Characters from Television | |
| Don Maynard | m | Hall-of-Famers | |
| Cuthbert Mayne | m | Saints | |
| Freddy Mayola | m | Olympic Medalists | |
| Yevgeni Mayorov | m | Notable Athletes | |
| Willie Mays | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Ihar Maystrenko | m | Olympic Medalists | |
| Floyd Mayweather Jr. | m | Notable Athletes, Olympic Medalists | |
| Viktor Mazanov | m | Olympic Medalists | |
| Jacqueline Mazéas | f | Olympic Medalists | |
| Bill Mazeroski | m | Hall-of-Famers, Notable Athletes | |
| Françoise Mbango Etone | f | Olympic Medalists | |
| Gugu Mbatha-Raw | f | Notable Actors and Entertainers | |
| Rachel McAdams | f | Notable Actors and Entertainers | |
| Bob McAdoo | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| George McAfee | m | Hall-of-Famers | |
| Ray McAnally | m | Notable Actors and Entertainers | |
| Ken McArthur | m | Olympic Medalists | |
| Gareth McAuley | m | Notable Athletes | |
| Ally McBeal | f | Fictional Characters from Television | |
| Rachel McCabe | f | Fictional Characters from Television | |
| James McCaffrey | m | Notable Actors and Entertainers | |
| Kevin McCallister | m | Fictional Characters from Movies | |
| David McCallum | m | Notable Actors and Entertainers | |
| Mercedes McCambridge | f | Notable Actors and Entertainers, Oscar Award Winners | |
| Austin McCann | m | Fictional Characters from Television | |
| Martin McCann | m | Notable Actors and Entertainers | |
| Rory McCann | m | Notable Actors and Entertainers | |
| Leo McCarey | m | Notable Filmmakers, Oscar Award Winners | |
| Cormac McCarthy | m | Notable Writers, Pulitzer Award Winners | |
| James McCarthy | m | Notable Athletes | |
| Kevin McCarthy | m | Notable Actors and Entertainers | |
| Melissa McCarthy | f | Emmy Award Winners, Notable Actors and Entertainers | |
| Thaddeus McCarthy | m | Saints | |
| Tommy McCarthy | m | Hall-of-Famers | |
| Katrina McClain | f | Hall-of-Famers, Notable Athletes, Olympic Medalists | |
| Shauni McClain | f | Fictional Characters from Television | |
| Hayden McClaine | f | Fictional Characters from Television | |
| Rue McClanahan | f | Emmy Award Winners, Notable Actors and Entertainers | |
| Barbara McClintock | f | Nobel Prize Winners, Notable Scientists and Inventors | |
| Liz McColgan | f | Olympic Medalists | |
| Matthew McConaughey | m | Notable Actors and Entertainers, Oscar Award Winners | |
| Will McCorkle | m | Fictional Characters from Television | |
| Eric McCormack | m | Emmy Award Winners, Notable Actors and Entertainers | |
| Mike McCormack | m | Hall-of-Famers | |
| Willie McCovey | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Branch McCracken | m | Hall-of-Famers | |
| Jack McCracken | m | Hall-of-Famers | |
| Josiah McCracken | m | Olympic Medalists | |
| Luke McCullough | m | Notable Athletes | |
| Hattie McDaniel | f | Notable Actors and Entertainers, Oscar Award Winners | |
| Randall McDaniel | m | Hall-of-Famers | |
| Darryl "D.M.C." McDaniels | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Bobby McDermott | m | Hall-of-Famers | |
| Lee McDermott | m | Fictional Characters from Television | |
| Ian McDiarmid | m | Notable Actors and Entertainers | |
| Julie McDonald | f | Olympic Medalists | |
| Lanny McDonald | m | Hall-of-Famers, Notable Athletes | |
| Lindsey McDonald | m | Fictional Characters from Television | |
| Ronald "Mac" McDonald | m | Fictional Characters from Television | |
| Tommy McDonald | m | Hall-of-Famers | |
| Frances McDormand | f | Notable Actors and Entertainers, Oscar Award Winners, Tony Award Winners | |
| Hugh McElhenny | m | Hall-of-Famers | |
| Mary McElroy | f | American First Ladies | |
| John McEnroe | m | Notable Athletes | |
| Ian McEwan | m | Notable Writers | |
| John McEwen | m | Australian Prime Ministers | |
| Daniel McFadden | m | Nobel Prize Winners | |
| Frank McGee | m | Hall-of-Famers | |
| Billy McGimsie | m | Hall-of-Famers | |
| Seán McGinley | m | Notable Actors and Entertainers | |
| Niall McGinn | m | Notable Athletes | |
| Joe McGinnity | m | Hall-of-Famers | |
| Minerva McGonagall | f | Fictional Characters from Books, Harry Potter Characters | |
| Malik McGrath | m | Fictional Characters from Television | |
| John McGraw | m | Hall-of-Famers | |
| Violet McGraw | f | Notable Actors and Entertainers | |
| Danny "Mac" McGregor | m | Fictional Characters from Television | |
| Ewan McGregor | m | Notable Actors and Entertainers | |
| Roger McGuinn | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Dick McGuire | m | Hall-of-Famers, Notable Athletes | |
| Jo McGuire | f | Fictional Characters from Television | |
| Matt McGuire | m | Fictional Characters from Television | |
| Rachel McGuire | f | Fictional Characters from Television | |
| Sam McGuire | m | Fictional Characters from Television | |
| Kevin McHale | m | Hall-of-Famers, Notable Athletes | |
| Antonio McKay | m | Olympic Medalists | |
| John McKay | m | Fictional Characters from Television | |
| Bill McKechnie | m | Hall-of-Famers | |
| Mary Eunice McKee | f | Fictional Characters from Television | |
| Mary McKee | f | American First Ladies | |
| Ed McKeever | m | Olympic Medalists | |
| Ian McKellen | m | Notable Actors and Entertainers, Tony Award Winners | |
| Parker McKenna | f | Fictional Characters from Television | |
| Ben McKenzie | m | Notable Actors and Entertainers | |
| Jemma McKenzie-Brown | f | Notable Actors and Entertainers | |
| Lani McKenzie | f | Fictional Characters from Television | |
| Les McKeown | m | Notable Musicians | |
| Kevin McKidd | m | Notable Actors and Entertainers | |
| Ida McKinley | f | American First Ladies | |
| William McKinley | m | American Presidents | |
| Frank McKinney Jr. | m | Olympic Medalists | |
| Burt McKinnie | m | Olympic Medalists | |
| Ian McLagan | m | Rock and Roll Hall-of-Famers | |
| Bruce McLaren | m | Notable Athletes | |
| Conor McLaughlin | m | Notable Athletes | |
| John McLean | m | Olympic Medalists | |
| Mike McLeod | m | Olympic Medalists | |
| Vince McMahon | m | Notable Businesspeople | |
| William McMahon | m | Australian Prime Ministers | |
| Doyle McMaster | m | Fictional Characters from Television | |
| Conrad McMasters | m | Fictional Characters from Television | |
| Edwin McMillan | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Randle McMurphy | m | Fictional Characters from Books, Fictional Characters from Movies | |
| Larry McMurtry | m | Notable Writers, Pulitzer Award Winners | |
| Paddy McNair | m | Notable Athletes | |
| Johnny "Blood" McNally | m | Hall-of-Famers | |
| George McNamara | m | Hall-of-Famers | |
| Julianne McNamara | f | Notable Athletes, Olympic Medalists | |
| Sean McNamara | m | Fictional Characters from Television | |
| Billy McNeill | m | Notable Athletes | |
| Kevin McNulty | m | Notable Actors and Entertainers | |
| Andie McPhee | f | Fictional Characters from Television | |
| Jack McPhee | m | Fictional Characters from Television | |
| John "Bid" McPhee | m | Hall-of-Famers | |
| James Alan McPherson | m | Pulitzer Award Winners | |
| Alexander McQueen | m | Notable Artists | |
| Armelia McQueen | f | Notable Actors and Entertainers | |
| Steve McQueen | m | Notable Filmmakers | |
| James McRae | m | Olympic Medalists | |
| Ian McShane | m | Notable Actors and Entertainers | |
| Sophie McShera | f | Notable Actors and Entertainers | |
| Christine McVie | f | Notable Musicians, Rock and Roll Hall-of-Famers | |
| John McVie | m | Rock and Roll Hall-of-Famers | |
| James Meade | m | Nobel Prize Winners | |
| Earle Meadows | m | Olympic Medalists | |
| Aileen Meagher | f | Olympic Medalists | |
| Mary T. Meagher | f | Olympic Medalists | |
| Helen Meany | f | Olympic Medalists | |
| Giuseppe Meazza | m | Notable Athletes | |
| Ilya Mechnikov | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Mechtildis of Edelstetten | f | Saints | |
| Mechtildis of Helfta | f | Saints | |
| Peter Medawar | m | Nobel Prize Winners | |
| Cosimo de' Medici | m | Notable Businesspeople | |
| Cosimo I de' Medici | m | Other Royalty | |
| Lorenzo de' Medici | m | Notable Politicians and Statespeople | |
| Max Medina | m | Fictional Characters from Television | |
| Andriy Medvedev | m | Notable Athletes | |
| Yevgeniya Medvedeva | f | Olympic Medalists | |
| Joe Medwick | m | Hall-of-Famers, Most Valuable Players | |
| Helge Meeuw | m | Olympic Medalists | |
| Gheorghe Megelea | m | Olympic Medalists | |
| Mehmed I | m | Ottoman Sultans | |
| Mehmed II the Conqueror | m | Ottoman Sultans | |
| Mehmed III | m | Islamic Caliphs, Ottoman Sultans | |
| Mehmed IV | m | Islamic Caliphs, Ottoman Sultans | |
| Mehmed V | m | Islamic Caliphs, Ottoman Sultans | |
| Mehmed VI Vahideddin | m | Islamic Caliphs, Ottoman Sultans | |
| Arthur Meighen | m | Canadian Prime Ministers | |
| Jaap Meijer | m | Olympic Medalists | |
| Golda Meir | f | Israeli Presidents and Prime Ministers | |
| Katrin Meissner | f | Olympic Medalists | |
| Lise Meitner | f | Notable Scientists and Inventors | |
| Mél of Ardagh | m | Saints | |
| Meiling Melançon | f | Notable Actors and Entertainers | |
| Melania the Elder | f | Saints | |
| Melania the Younger | f | Saints | |
| Oskars Melbārdis | m | Olympic Medalists | |
| Ferit Melen | m | Turkish Presidents and Prime Ministers | |
| Meletius of Antioch | m | Saints | |
| Nicole Melichar | f | Notable Athletes | |
| Lori Melien | f | Olympic Medalists | |
| Melito of Sardis | m | Saints | |
| Mellitus | m | Saints | |
| Craig Mello | m | Nobel Prize Winners | |
| Faina Melnik | f | Olympic Medalists | |
| Nikolai Melnikov | m | Olympic Medalists | |
| Herman Melville | m | Notable Writers | |
| Julia Melville | f | Fictional Characters from Plays and Musicals | |
| Muhamed Memić | m | Olympic Medalists | |
| Hans Memling | m | Notable Artists | |
| Memmius | m | Saints | |
| Jesús Mena Campos | m | Olympic Medalists | |
| Menander | m | Notable Writers | |
| Menas of Egypt | m | Saints | |
| Menas of Sinai | m | Saints | |
| Rigoberta Menchú | f | Nobel Prize Winners, Notable Activists and Revolutionaries | |
| Gregor Mendel | m | Notable Scientists and Inventors | |
| Dmitriy Mendeleev | m | Notable Scientists and Inventors | |
| Sam Mendes | m | Notable Filmmakers, Oscar Award Winners | |
| Isaac Mendez | m | Fictional Characters from Television | |
| Javier Méndez | m | Olympic Medalists | |
| José Méndez | m | Hall-of-Famers | |
| Dino Meneghin | m | Hall-of-Famers, Notable Athletes, Olympic Medalists | |
| Meng Ke | m | Notable Philosophers and Thinkers | |
| Gemma Mengual | f | Olympic Medalists | |
| Argentina Menis | f | Olympic Medalists | |
| Carol Menken-Schaudt | f | Olympic Medalists | |
| Rachel Menken | f | Fictional Characters from Television | |
| Pietro Mennea | m | Notable Athletes, Olympic Medalists | |
| Barbara Mensing | f | Olympic Medalists | |
| Robert Menzies | m | Australian Prime Ministers | |
| Tobias Menzies | m | Notable Actors and Entertainers | |
| Nouria Mérah-Benida | f | Olympic Medalists | |
| Meraioth | m | Biblical Characters | |
| Meraioth | m | Biblical Characters | |
| Meraioth | m | Biblical Characters | |
| Gerardus Mercator | m | Notable Philosophers and Thinkers | |
| Ismail Merchant | m | Notable Filmmakers | |
| Mercurius | m | Saints | |
| Mercury | m | Biblical Characters, Characters in Roman Mythology | |
| Freddie Mercury | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Meremoth | m | Biblical Characters | |
| Meremoth | m | Biblical Characters | |
| Meremoth | m | Biblical Characters | |
| Meremoth | m | Biblical Characters | |
| Irving Meretsky | m | Olympic Medalists | |
| Angela Merici | f | Saints | |
| Rolando Meriño | m | Olympic Medalists | |
| Merinus | m | Saints | |
| Emanuele Merisi | m | Olympic Medalists | |
| Michelangelo Merisi da Caravaggio | m | Notable Artists | |
| Angela Merkel | f | German Chancellors and Presidents | |
| Rick Merlo | m | Olympic Medalists | |
| Merovech | m | Frankish and French Kings | |
| Robert Bruce Merrifield | m | Nobel Prize Winners | |
| Ronald Merriott | m | Olympic Medalists | |
| LaShawn Merritt | m | Olympic Medalists | |
| Katharine Merry | f | Olympic Medalists | |
| Robert C. Merton | m | Nobel Prize Winners | |
| Zienia Merton | f | Notable Actors and Entertainers | |
| Ivan Merz | m | Saints | |
| William Merz | m | Olympic Medalists | |
| Ona Meseguer | f | Olympic Medalists | |
| Mesha | m | Biblical Characters | |
| Mesha | m | Biblical Characters | |
| Mesha | m | Biblical Characters | |
| Meshezabel | m | Biblical Characters | |
| Meshezabel | m | Biblical Characters | |
| Meshezabel | m | Biblical Characters | |
| Meshullam | m | Biblical Characters | |
| Meshullam | m | Biblical Characters | |
| Meshullam | m | Biblical Characters | |
| Meshullam | m | Biblical Characters | |
| Meshullam | m | Biblical Characters | |
| Meshullam | m | Biblical Characters | |
| Meshullam | m | Biblical Characters | |
| Meshullam | m | Biblical Characters | |
| Meshullam | m | Biblical Characters | |
| Meshullam | m | Biblical Characters | |
| Meshullam | m | Biblical Characters | |
| Meshullam | m | Biblical Characters | |
| Meshullam | m | Biblical Characters | |
| Meshullam | m | Biblical Characters | |
| Meshullam | m | Biblical Characters | |
| Meshullam | m | Biblical Characters | |
| Meshullam | m | Biblical Characters | |
| Meshullam | m | Biblical Characters | |
| Meshullam | m | Biblical Characters | |
| Meshullam | m | Biblical Characters | |
| Meshullam | m | Biblical Characters | |
| Antonia Mesina | f | Saints | |
| Danny Messer | m | Fictional Characters from Television | |
| Charles Messier | m | Notable Scientists and Inventors | |
| Mark Messier | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Reinhold Messner | m | Notable Explorers and Adventurers | |
| Adrian Metcalfe | m | Olympic Medalists | |
| Jennifer Metcalfe | f | Notable Actors and Entertainers | |
| Ralph Metcalfe Sr. | m | Olympic Medalists | |
| Malia Metella | f | Olympic Medalists | |
| Methuselah | m | Biblical Characters | |
| Penka Metodieva | f | Olympic Medalists | |
| Caren Metschuck | f | Olympic Medalists | |
| Mette-Marit of Norway | f | Other Royalty | |
| Melinda Metz | f | Notable Writers | |
| Manfred Metzger | m | Olympic Medalists | |
| Antonio Meucci | m | Notable Scientists and Inventors | |
| Marie-Geneviève Meunier | f | Saints | |
| Herman Meyboom | m | Olympic Medalists | |
| Adolf Meyer | m | Notable Scientists and Inventors | |
| Albert Meyer | m | Swiss Presidents | |
| Elana Meyer | f | Olympic Medalists | |
| Nina Meyer | f | Fictional Characters from Television | |
| Otto Fritz Meyerhof | m | Nobel Prize Winners | |
| Ann Meyers | f | Hall-of-Famers, Notable Athletes, Olympic Medalists | |
| Elana Meyers | f | Olympic Medalists | |
| Assefa Mezgebu | m | Olympic Medalists | |
| Michele Mian | m | Olympic Medalists | |
| Aksana Miankova | f | Olympic Medalists | |
| Mibzar | m | Biblical Characters | |
| Micah | m | Biblical Characters | |
| Micah | m | Biblical Characters | |
| Micah | m | Biblical Characters | |
| Micah | m | Biblical Characters | |
| Micah | m | Biblical Characters | |
| Micah | m | Biblical Characters | |
| Micah | m | Biblical Characters | |
| Martina Miceli | f | Olympic Medalists | |
| Samantha Micelli | f | Fictional Characters from Television | |
| Tony Micelli | m | Fictional Characters from Television | |
| Michael | m | Hurricanes and Tropical Storms | |
| Michael I | m | Roman and Byzantine Emperors | |
| Michael II the Stammerer | m | Roman and Byzantine Emperors | |
| Michael III | m | Roman and Byzantine Emperors | |
| Michael IV the Paphlagonian | m | Roman and Byzantine Emperors | |
| Michael IX Palaeologus | m | Roman and Byzantine Emperors | |
| Michael the Archangel | m | Biblical Characters, Saints | |
| Michael the Confessor | m | Saints | |
| Michael V | m | Roman and Byzantine Emperors | |
| Michael VI Stratioticus | m | Roman and Byzantine Emperors | |
| Michael VII Ducas | m | Roman and Byzantine Emperors | |
| Michael VIII Palaeologus | m | Roman and Byzantine Emperors | |
| Georg Michaelis | m | German Chancellors and Presidents | |
| Laura Michaels Kelly | f | Fictional Characters from Television | |