| Name | Gender | Categories | |
|---|
| Marcellus I | m | Bishops of Rome and the Popes, Saints |  |
| Marcellus II | m | Bishops of Rome and the Popes | |
| Marcellus of Apamaea | m | Saints | |
| Marcellus the Centurion | m | Saints | |
| Fredric March | m | Notable Actors and Entertainers, Oscar Award Winners | |
| Nazaria Ignacia March Mesa | f | Saints | |
| Robert Marchal | m | Olympic Medalists | |
| Joseph Marchand | m | Saints | |
| Marchelm | m | Saints | |
| Gino Marchetti | m | Hall-of-Famers, Notable Athletes | |
| Clemente Marchisio | m | Saints | |
| Marcia the Martyr | f | Saints | |
| Marcian | m | Saints | |
| Marcian | m | Roman and Byzantine Emperors, Saints | |
| Marcian | m | Saints | |
| Marcian of Tortona | m | Saints | |
| Marciana of Mauretania | f | Saints | |
| Rocky Marciano | m | Notable Athletes | |
| Marcianus | m | Saints | |
| Marcionilla | f | Saints | |
| Kęstutis Marčiulionis | m | Olympic Medalists | |
| Šarūnas Marčiulionis | m | Hall-of-Famers, Notable Athletes, Olympic Medalists | |
| Marcius | m | Characters in Greek Mythology | |
| Marcius | m | Characters in Greek Mythology | |
| Young Marcius | m | Shakespearian Characters | |
| Gnaeus Marcius Coriolanus | m | Notable Military Figures, Shakespearian Characters | |
| Marco | m | Hurricanes and Tropical Storms | |
| Marco | m | Hurricanes and Tropical Storms | |
| Marco | m | Hurricanes and Tropical Storms | |
| Marco of Marconi | m | Saints | |
| Marco of Modena | m | Saints | |
| Serghei Marcoci | m | Olympic Medalists | |
| Marcolino of Forli | m | Saints | |
| Denis Marconato | m | Olympic Medalists | |
| Guglielmo Marconi | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Imelda Marcos | f | Notable Politicians and Statespeople | |
| 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 | m | Saints | |
| Marcus Andronicus | m | Shakespearian Characters | |
| 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 | |
| Mardian | m | Shakespearian Characters | |
| Mardil Voronwë | m | Tolkien's Characters | |
| Mardonius | m | Saints | |
| Maria Stella Mardosewicz | f | Saints | |
| Marduk | m | Biblical Characters, Other Mythological Characters | |
| Ruggero Maregatti | m | Olympic Medalists | |
| Giuseppe Marello | m | Saints | |
| Philippa Mareri | f | Saints | |
| Mareshah | m | Biblical Characters | |
| Josep Maria Margall | m | Olympic Medalists | |
| Margarelon | m | Shakespearian Characters | |
| Margaret | f | Shakespearian Characters | |
| Margaret of Anjou | f | Other Royalty, Shakespearian Characters | |
| Margaret of Antioch | f | Saints | |
| 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 | |
| Margrete I | f | Danish Kings and Queens, Norwegian Kings and Queens, Swedish Kings and Queens | |
| Margasus | m | Characters in Greek Mythology | |
| Margherita of Castello | f | Saints | |
| Margherita of Ravenna | f | Saints | |
| Margherita of Savoy | f | Saints | |
| Margherita the Barefooted | f | Saints | |
| Alexandru Marghiloman | m | Romanian Presidents and Prime Ministers | |
| Margot | f | Hurricanes and Tropical Storms | |
| Margrethe II | f | Danish Kings and Queens | |
| Marguerite d'Youville | f | Saints | |
| Marguerite de Navarre | f | Other Royalty | |
| Marguerite of Lorraine | f | Saints | |
| Julianna Margulies | f | Emmy Award Winners, Notable Actors and Entertainers | |
| Marhari | m | Tolkien's Characters | |
| Marhwini | m | Tolkien's Characters | |
| Mária | f | Hungarian Kings and Queens | |
| Maria | f | Hurricanes and Tropical Storms | |
| Maria | f | Hurricanes and Tropical Storms | |
| Maria | f | Shakespearian Characters | |
| Maria | f | Shakespearian Characters | |
| Maria Candida of the Eucharist | f | Saints | |
| Maria Caridad of the Holy Spirit | f | Saints | |
| Maria Francesca of the Five Wounds of Jesus | f | Saints | |
| Maria I | f | Portuguese Kings and Queens | |
| Maria II | f | Portuguese Kings and Queens | |
| Maria Lopez of Jesus | f | Saints | |
| Maria Maddalena Martinengo da Barco | f | Saints | |
| Maria Magdalena de Pazzi | f | Saints | |
| Maria of Turin | f | Saints | |
| Maria Theresa | f | Austrian Dukes and Emperors, Bohemian Kings, Hungarian Kings and Queens | |
| María de las Maravillas de Jesús | f | Saints | |
| María del Tránsito Cabanillas | f | Saints | |
| Maid Marian | f | Fictional Characters from Traditional Tales | |
| Marian | m | Saints | |
| Mariana | f | Shakespearian Characters | |
| Mariana | f | Shakespearian Characters | |
| Mariana de Jesús de Paredes | f | Saints | |
| Mariandynus | m | Characters in Greek Mythology | |
| Orazio Mariani | m | Olympic Medalists | |
| Marianus | m | Saints | |
| Marica | f | Characters in Greek Mythology | |
| Juan Marichal | m | Hall-of-Famers | |
| Marie Antoinette | f | Other Royalty | |
| Marie de France | f | Notable Writers | |
| Marie of Oignies | f | Saints | |
| Marie-Eugénie of Jesus | f | Saints | |
| Marie-Françoise de Croissy | f | Saints | |
| Bruno Marie-Rose | m | Olympic Medalists | |
| Hanna Mariën | f | Olympic Medalists | |
| Marilyn | f | Hurricanes and Tropical Storms | |
| Carolina Marín | f | Notable Athletes, Olympic Medalists | |
| Marina | f | Saints | |
| Filippo Tommaso Marinetti | m | Notable Writers | |
| Dan Marino | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Giovanni Marinoni | m | Saints | |
| Tereza Marinova | f | Olympic Medalists | |
| Marinus | m | Saints | |
| Marinus | m | Saints | |
| Marinus | m | Saints | |
| Marinus I | m | Bishops of Rome and the Popes | |
| Marinus II | m | Bishops of Rome and the Popes | |
| Mario | m | Other Fictional Characters | |
| Marty Marion | m | Most Valuable Players | |
| Shawn Marion | m | Olympic Medalists | |
| Maris | m | Characters in Greek Mythology | |
| Roger Maris | m | Most Valuable Players, Notable Athletes | |
| Giacinta Mariscotti | f | Saints | |
| Marius | m | Saints | |
| Marius | m | Saints | |
| Mariza | f | Notable Musicians | |
| Mark | m | Bishops of Rome and the Popes, Saints | |
| Mark Chong Ui-bae | m | Saints | |
| Mark of Apollonias | m | Biblical Characters, Saints | |
| Mark the Evangelist | m | Coptic Popes and Patriarchs of Alexandria, Saints | |
| Boris Markarov | m | Olympic Medalists | |
| Bronisław Markiewicz | m | Saints | |
| Viktor Markin | m | Olympic Medalists | |
| Marko | m | Serbian Kings, Tsars and Princes | |
| Ilya Markov | m | Olympic Medalists | |
| Khristo Markov | m | Olympic Medalists | |
| Kálmán Markovits | m | Olympic Medalists | |
| Harry Markowitz | m | Nobel Prize Winners | |
| Earn Marks | m | Fictional Characters from Television | |
| Bob Marley | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Marlin | m | Fictional Characters from Movies | |
| Christopher Marlowe | m | Notable Writers | |
| Philip Marlowe | m | Fictional Characters from Books, Fictional Characters from Movies | |
| Marmax | m | Characters in Greek Mythology | |
| Columba Marmion | m | Saints | |
| Maro | m | Saints | |
| Zoran Marojević | m | Olympic Medalists | |
| Marolus | m | Saints | |
| Maron | m | Characters in Greek Mythology | |
| Maron | m | Characters in Greek Mythology | |
| Maroveus | m | Saints | |
| Marpe | f | Characters in Greek Mythology | |
| Marpessa | f | Characters in Greek Mythology | |
| Marpessa | f | Characters in Greek Mythology | |
| Marpsius | m | Characters in Greek Mythology | |
| Rube Marquard | m | Hall-of-Famers | |
| Wlamir Marques | m | Olympic Medalists | |
| Gail Marquis | f | Olympic Medalists | |
| Steve Marriott | m | Rock and Roll Hall-of-Famers | |
| Mars | m | Characters in Roman Mythology | |
| Bruno Mars | m | Grammy Award Winners, Notable Musicians | |
| Veronica Mars | f | Fictional Characters from Television | |
| William Marsden | m | Saints | |
| Marse | f | Characters in Greek Mythology | |
| Marsena | m | Biblical Characters | |
| Jean Marsh | f | Emmy Award Winners, Notable Actors and Entertainers | |
| Michael Marsh | m | Olympic Medalists | |
| E. G. Marshall | m | Emmy Award Winners, Notable Actors and Entertainers | |
| Alfred Marshall | m | Notable Philosophers and Thinkers | |
| Barry Marshall | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Christine Marshall | f | Olympic Medalists | |
| Garry Marshall | m | Notable Filmmakers | |
| 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 | |
| John Marshall | m | Olympic Medalists | |
| Sante Marsili | m | Olympic Medalists | |
| Margot Marsman | f | Olympic Medalists | |
| Alberto Marson | m | Olympic Medalists | |
| Marsyas | m | Characters in Greek Mythology | |
| Charles Martel | m | Notable Military Figures, Notable Politicians and Statespeople, Other Royalty | |
| Maritza Martén | f | Olympic Medalists | |
| Agneta Mårtensson | f | Olympic Medalists | |
| Sir Oliver Martext | m | Shakespearian Characters | |
| Martha | f | Hurricanes and Tropical Storms | |
| Martha | f | Saints | |
| Martha of Bethany | f | Biblical Characters, Saints | |
| Martha Wang Luo | f | Saints | |
| José Martí | m | Notable Activists and Revolutionaries | |
| Martial | m | Notable Writers | |
| Martialis | m | Saints | |
| Narcisa de Jesús Martillo y Morán | f | Saints | |
| Martin | m | Hurricanes and Tropical Storms | |
| Martín de Porres | m | Saints | |
| Martin I | m | Bishops of Rome and the Popes, Saints | |
| Martin IV | m | Bishops of Rome and the Popes | |
| Martín Loynaz of the Ascension | m | Saints | |
| Martin of Tours | m | Saints | |
| Martín the Kind | m | Spanish Kings and Queens | |
| Martin V | m | Bishops of Rome and the Popes | |
| Agnes Martin | f | Notable Artists | |
| Archer John Porter Martin | m | Nobel Prize Winners | |
| Béatrice Martin | f | Notable Musicians | |
| Chris Martin | m | Notable Musicians | |
| Curtis Martin | m | Hall-of-Famers | |
| Dani Martín | m | Notable Musicians | |
| Dean Martin | m | Notable Actors and Entertainers, Notable Musicians | |
| Dewey Martin | m | Rock and Roll Hall-of-Famers | |
| Fernando Martín Espina | m | Olympic Medalists | |
| George Martin | m | Notable Musicians | |
| George R. R. Martin | m | Notable Writers | |
| John Martin | m | Notable Artists | |
| LaVonna Martin | f | Olympic Medalists | |
| Louis Martin | m | Olympic Medalists | |
| Miklós Martin | m | Olympic Medalists | |
| Paul Martin | m | Olympic Medalists | |
| Richard Martin | m | Saints | |
| Roxbert Martin | m | Olympic Medalists | |
| Slater Martin | m | Hall-of-Famers, Notable Athletes | |
| Steve Martin | m | Notable Actors and Entertainers | |
| Martina of Rome | f | Saints | |
| Arsenio Martínez Campos | m | Spanish Prime Ministers | |
| Cliff Martinez | m | Rock and Roll Hall-of-Famers | |
| Diego Martínez Barrio | m | Spanish Prime Ministers | |
| Edgar Martínez | m | Hall-of-Famers, Notable Athletes | |
| Francisco Martínez | m | Olympic Medalists | |
| Joan Lino Martínez | m | Olympic Medalists | |
| Lázaro Martínez | m | Olympic Medalists | |
| Lucio Martinez Mancebo | m | Saints | |
| María Pilar Martinez | f | Saints | |
| Pedro Martínez | m | Hall-of-Famers, Notable Athletes | |
| Peter Martinez | m | Saints | |
| Jerry Martini | m | Rock and Roll Hall-of-Famers | |
| Simone Martini | m | Notable Artists | |
| Martinian | m | Saints | |
| Harry Martinson | m | Nobel Prize Winners, Notable Writers | |
| Martius | m | Shakespearian Characters | |
| Martius of Auvergne | m | Saints | |
| Francisco Marto | m | Saints | |
| Jacinta Marto | f | Saints | |
| Martti Marttelin | m | Olympic Medalists | |
| Marullus | m | Shakespearian Characters | |
| Marura | f | Saints | |
| Maruthas | m | Saints | |
| Marv | m | Fictional Characters from Books, Fictional Characters from Movies | |
| Alberto Marvelli | m | Saints | |
| Marvin the Martian | m | Fictional Characters from Movies | |
| Lee Marvin | m | Notable Actors and Entertainers, Oscar Award Winners | |
| Marwan I ibn al-Hakam | m | Islamic Caliphs | |
| Marwan II ibn Muhammad | m | Islamic Caliphs | |
| Bernard Marx | m | Fictional Characters from Books | |
| Groucho Marx | m | Notable Actors and Entertainers | |
| Harpo Marx | m | Notable Actors and Entertainers | |
| Karl Marx | m | Notable Philosophers and Thinkers | |
| Mary | f | Saints | |
| Mary | f | Biblical Characters | |
| Mary | f | Biblical Characters, Saints | |
| Mary | f | Biblical Characters | |
| 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 Lou | f | Fictional Characters from Song Titles | |
| Mary Magdalene | f | Biblical Characters, Saints | |
| Mary of Cerevellon | f | Saints | |
| Mary of Clopas | f | Biblical Characters, Saints | |
| Mary of Succor | f | Saints | |
| Mary of the Passion | f | Saints | |
| Mary the Slave of Rome | f | Saints | |
| Pierluigi Marzorati | m | Olympic Medalists | |
| Samuele Marzorati | m | Saints | |
| Artur Mas | m | Notable Politicians and Statespeople | |
| Masaccio | m | Notable Artists | |
| Go-Shirakawa | m | Japanese Emperors | |
| Ninmyo | m | Japanese Emperors | |
| Pietro Mascagni | m | Notable Musicians | |
| Mash | m | Biblical Characters | |
| Jesse Mashburn | m | Olympic Medalists | |
| María Felicidad Masiá Ferragud | f | Saints | |
| María Jesús Masiá Ferragud | f | Saints | |
| María Verónica Masiá Ferragud | f | Saints | |
| Giulietta Masina | f | Notable Actors and Entertainers | |
| Tomas Masiulis | m | Olympic Medalists | |
| Toshihide Maskawa | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Eric Maskin | m | Nobel Prize Winners | |
| Yevgeniy Maskinskov | m | Olympic Medalists | |
| Darius Maskoliūnas | m | Olympic Medalists | |
| Lyudmila Maslakova | f | Olympic Medalists | |
| Tatiana Maslany | f | Emmy Award Winners, Notable Actors and Entertainers | |
| Abraham Maslow | m | Notable Philosophers and Thinkers | |
| Dave Mason | m | Rock and Roll Hall-of-Famers | |
| Germaine Mason | m | Olympic Medalists | |
| John Mason | m | Saints | |
| Nick Mason | m | Rock and Roll Hall-of-Famers | |
| Perry Mason | m | Fictional Characters from Books | |
| Josef Masopust | m | Notable Athletes | |
| Massa | m | Biblical Characters | |
| Valentí Massana | m | Olympic Medalists | |
| André Masséna | m | Notable Military Figures | |
| Jules Massenet | m | Notable Musicians | |
| Bobby Massey | m | Rock and Roll Hall-of-Famers | |
| Nick Massi | m | Rock and Roll Hall-of-Famers | |
| Massicus | m | Characters in Roman Mythology | |
| Carlos Domingos Massoni | m | Olympic Medalists | |
| Svetlana Masterkova | f | Olympic Medalists | |
| June Maston | f | Olympic Medalists | |
| Mastor | m | Characters in Greek Mythology | |
| Mastor | m | Characters in Greek Mythology | |
| Marcello Mastroianni | m | Notable Actors and Entertainers | |
| Mastusius | m | Characters in Greek Mythology | |
| Richard Mateelong | m | Olympic Medalists | |
| Jan Matejko | m | Notable Artists | |
| Abraham Mateo | m | Notable Musicians | |
| Práxedes Mateo Sagasta | m | Spanish Prime Ministers | |
| Maternus | m | Saints | |
| Dietrich Mateschitz | m | Notable Businesspeople | |
| 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 | |
| Marlene Mathews | f | Olympic Medalists | |
| Christy Mathewson | m | Hall-of-Famers, Notable Athletes | |
| Mathias of Miyako | m | Saints | |
| Bob Mathias | m | Olympic Medalists | |
| Mireille Mathieu | f | Notable Musicians | |
| Mathurin Maturinus | m | Saints | |
| 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 | |
| Glen Matlock | m | Rock and Roll Hall-of-Famers | |
| Matred | f | Biblical Characters | |
| Matri | m | Biblical Characters | |
| Matrona | f | Saints | |
| Tarsykiya Matskiv | f | Saints | |
| Ollie Matson | m | Hall-of-Famers, Olympic Medalists | |
| Randy Matson | m | Olympic Medalists | |
| Seiko Matsuda | f | Notable Musicians | |
| Nobuhiko Matsunaka | m | Olympic Medalists | |
| Matsuo Bashō | m | Notable Writers | |
| Yumi Matsutoya | f | Notable Musicians | |
| Daisuke Matsuzaka | m | Olympic Medalists | |
| Mattan | m | Biblical Characters | |
| Mattan | 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 | |
| Mattaniah | m | Biblical Characters | |
| Sergio Mattarella | m | Italian Presidents and Prime Ministers | |
| Mattatha | m | Biblical Characters | |
| Mattathias | m | Biblical Characters | |
| Mattathias | m | Biblical Characters | |
| Mattattah | m | Biblical Characters | |
| Mattenai | m | Biblical Characters | |
| Mattenai | m | Biblical Characters | |
| Mattenai | m | Biblical Characters | |
| Matteo of Girgenti | m | Saints | |
| Matteo of Mantua | m | Saints | |
| Matthan | m | Biblical Characters | |
| Matthat | m | Biblical Characters | |
| Matthat | m | Biblical Characters | |
| Walter Matthau | m | Notable Actors and Entertainers, Oscar Award Winners | |
| Lothar Matthäus | m | Notable Athletes | |
| Roland Matthes | m | Olympic Medalists | |
| Matthew | m | Hurricanes and Tropical Storms | |
| Matthew | m | Hurricanes and Tropical Storms | |
| Matthew Dac Nguyen | m | Saints | |
| Matthew Gam Van Le | m | Saints | |
| Matthew of Beauvais | m | Saints | |
| Matthew the Evangelist | m | Biblical Characters, Saints | |
| Bruce Matthews | m | Hall-of-Famers | |
| Ken Matthews | m | Olympic Medalists | |
| Margaret Matthews | f | Olympic Medalists | |
| Stanley Matthews | m | Notable Athletes | |
| Vince Matthews | m | Olympic Medalists | |
| Matthia of Matelica | f | Saints | |
| Matthias | m | Biblical Characters, Saints | |
| Matthias of Arima | m | Saints | |
| Matthias of Arima | m | Saints | |
| Matthias of Jerusalem | m | Saints | |
| Don Mattingly | m | Most Valuable Players, Notable Athletes | |
| 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 | |
| Sergio Matto | m | Olympic Medalists | |
| Gustaf Mattsson | m | Olympic Medalists | |
| Jurgis Matulaitis-Matulevičius | m | Saints | |
| Stephen Maturin | m | Fictional Characters from Books | |
| Matthias | m | Austrian Dukes and Emperors, Bohemian Kings, German Kings and Holy Roman Emperors, Hungarian Kings and Queens | |
| Matyas of Eskandely | m | Saints | |
| Francis Xavier Mau | m | Saints | |
| Joe Mauer | m | Most Valuable Players, Notable Athletes | |
| Gisela Mauermayer | f | Olympic Medalists | |
| Maughold | m | Saints | |
| Julien Maunoir | m | Saints | |
| Maura | f | Saints | |
| Maura of Antinoe | f | Saints | |
| Maura of Troyes | f | Saints | |
| Antonio Maura | m | Spanish Prime Ministers | |
| Ion Gheorghe Maurer | m | Romanian Presidents and Prime Ministers | |
| François Mauriac | m | Nobel Prize Winners, Notable Writers | |
| Maurice | m | Saints | |
| Maurice | m | Saints | |
| Maurice of Carnoet | m | Saints | |
| Maurice of Hungary | m | Saints | |
| Maurice of Orange | m | Notable Military Figures, Other Royalty | |
| Maurilius | m | Saints | |
| Maurilius | m | Saints | |
| Maurilius | m | Saints | |
| Maurinus | m | Saints | |
| André Maurois | m | Notable Writers | |
| Maurontus | m | Saints | |
| Maurontus | m | Saints | |
| Maurus | m | Saints | |
| Maurus | m | Saints | |
| Maurus | m | Saints | |
| Maurus | m | Saints | |
| Maurus of Nitra | m | Saints | |
| Mavilus of Adrumetum | m | Saints | |
| Kevin Mawae | m | Hall-of-Famers | |
| Noe Mawaggali | m | Saints | |
| Douglas Mawson | m | Notable Explorers and Adventurers | |
| Maxellendis | f | Saints | |
| Maxentia of Beauvais | f | Saints | |
| Maxentius | m | Saints | |
| Maxentius | m | Saints | |
| Thomas Maxfield | m | Saints | |
| Maxima | f | Saints | |
| Maxima | f | Saints | |
| Maxima | f | Saints | |
| Maximian | m | Saints | |
| Maximian | m | Saints | |
| Maximian | m | Saints | |
| Maximian | m | Saints | |
| Maximilian | m | Saints | |
| Maximilian I | m | Austrian Dukes and Emperors, German Kings and Holy Roman Emperors | |
| Maximilian of Tebessa | m | Saints | |
| Maximinus | m | Saints | |
| Maximinus | m | Saints | |
| Maximinus | m | Saints | |
| Maximinus | m | Saints | |
| Maximus | m | Saints | |
| Maximus | m | Saints | |
| Maximus | m | Saints | |
| Maximus | m | Saints | |
| Maximus | m | Saints | |
| Maximus | m | Saints | |
| Maximus | m | Saints | |
| Maximus | m | Saints | |
| Maximus | m | Saints | |
| Maximus | m | Saints | |
| Maximus | m | Saints | |
| Maximus | m | Saints | |
| Maximus | m | Saints | |
| Maximus | m | Saints | |
| Maximus I | m | Coptic Popes and Patriarchs of Alexandria, Saints | |
| Maximus of Aquila | m | Saints | |
| Maximus of Nola | m | Saints | |
| Maximus of Rome | m | Saints | |
| Maximus the Confessor | m | Saints | |
| Maxine | f | Fictional Characters from Song Titles | |
| Louis W. Maxson | m | Olympic Medalists | |
| Frederick George "Steamer" Maxwell | m | Hall-of-Famers | |
| James Clerk Maxwell | m | Notable Scientists and Inventors | |
| Fiona May | f | Olympic Medalists | |
| Karl May | m | Notable Writers | |
| Scott May | m | Olympic Medalists | |
| Theresa May | f | British Prime Ministers | |
| Willie May | m | Olympic Medalists | |
| Vladimir Mayakovsky | m | Notable Writers | |
| Julian Mayali | m | Saints | |
| Albert Mayaud | m | Olympic Medalists | |
| Wilhelm Maybach | m | Notable Scientists and Inventors | |
| Anthuan Maybank | m | Olympic Medalists | |
| Maybellene | f | Fictional Characters from Song Titles | |
| Bronwyn Mayer | f | Olympic Medalists | |
| John Mayer | m | Grammy Award Winners, Notable Musicians | |
| Louis B. Mayer | m | Notable Businesspeople, Notable Filmmakers | |
| Mihály Mayer | m | Olympic Medalists | |
| Alexander Mayeta | m | Olympic Medalists | |
| Curtis Mayfield | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Don Maynard | m | Hall-of-Famers | |
| Cuthbert Mayne | m | Saints | |
| Freddy Mayola | m | Olympic Medalists | |
| Willie Mays | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Viktor Mazanov | m | Olympic Medalists | |
| Cardinal Mazarin | m | Notable Politicians and Statespeople | |
| Mazdak | m | Notable Philosophers and Thinkers | |
| Jacqueline Mazéas | f | Olympic Medalists | |
| Bill Mazeroski | m | Hall-of-Famers, Notable Athletes | |
| Maria Domenica Mazzarello | f | Saints | |
| Francesco "Parmigianino" Mazzola | m | Notable Artists | |
| Giovanni Battista Mazzucconi | m | Saints | |
| Françoise Mbango Etone | f | Olympic Medalists | |
| Rachel McAdams | f | Notable Actors and Entertainers | |
| Bob McAdoo | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| George McAfee | m | Hall-of-Famers | |
| Ken McArthur | m | Olympic Medalists | |
| Tom McBreen | m | Olympic Medalists | |
| Frank McCabe | m | Olympic Medalists | |
| Pete McCaffrey | m | Olympic Medalists | |
| Charles McCallister | m | Olympic Medalists | |
| Mercedes McCambridge | f | Notable Actors and Entertainers, Oscar Award Winners | |
| Leo McCarey | m | Notable Filmmakers, Oscar Award Winners | |
| Joseph McCarthy | m | Notable Politicians and Statespeople | |
| Melissa McCarthy | f | Emmy Award Winners, Notable Actors and Entertainers | |
| Thaddeus McCarthy | m | Saints | |
| Tommy McCarthy | m | Hall-of-Famers | |
| Paul McCartney | m | Grammy Award Winners, Notable Musicians, Rock and Roll Hall-of-Famers | |
| Jim McCarty | m | Rock and Roll Hall-of-Famers | |
| Rue McClanahan | f | Emmy Award Winners, Notable Actors and Entertainers | |
| John McClane | m | Fictional Characters from Movies | |
| Alan McClatchey | m | Olympic Medalists | |
| Lyn McClements | f | Olympic Medalists | |
| Barbara McClintock | f | Nobel Prize Winners, Notable Scientists and Inventors | |
| Joe McCluskey | m | Olympic Medalists | |
| Liz McColgan | f | Olympic Medalists | |
| Matthew McConaughey | m | Notable Actors and Entertainers, Oscar Award Winners | |
| Cornelius McConchailleach | m | Saints | |
| Suzie McConnell-Serio | f | Olympic Medalists | |
| Eric McCormack | m | Emmy Award Winners, Notable Actors and Entertainers | |
| Mike McCormack | m | Hall-of-Famers | |
| Frank McCormick | m | Most Valuable Players | |
| Kelly Anne McCormick | f | Olympic Medalists | |
| Pat McCormick | f | Olympic Medalists | |
| Alastair McCorquodale | m | Olympic Medalists | |
| Frank McCourt | m | Notable Writers | |
| Willie McCovey | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Leonard "Bones" McCoy | m | Fictional Characters from Television | |
| Branch McCracken | m | Hall-of-Famers | |
| Jack McCracken | m | Hall-of-Famers | |
| Josiah McCracken | m | Olympic Medalists | |
| Nikki McCray | f | Olympic Medalists | |
| Mike McCready | m | Rock and Roll Hall-of-Famers | |
| Colleen McCullough | f | Notable Writers | |
| Andrew McCutchen | m | Most Valuable Players, Notable Athletes | |
| Hattie McDaniel | f | Notable Actors and Entertainers, Oscar Award Winners | |
| Mildred McDaniel | f | Olympic Medalists | |
| Randall McDaniel | m | Hall-of-Famers | |
| Darryl "D.M.C." McDaniels | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Connor McDavid | m | Most Valuable Players, Notable Athletes | |
| Bobby McDermott | m | Hall-of-Famers | |
| Andrew McDonald | m | Olympic Medalists | |
| Arthur B. McDonald | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Beverly McDonald | f | Olympic Medalists | |
| Hugh McDonald | m | Rock and Roll Hall-of-Famers | |
| Julie McDonald | f | Olympic Medalists | |
| Lanny McDonald | m | Hall-of-Famers, Notable Athletes | |
| Michael McDonald | m | Olympic Medalists | |
| Michael McDonald | m | Rock and Roll Hall-of-Famers | |
| Pat McDonald | m | Olympic Medalists | |
| Ronald McDonald | m | Other Fictional Characters | |
| Tommy McDonald | m | Hall-of-Famers | |
| Frances McDormand | f | Notable Actors and Entertainers, Oscar Award Winners | |
| Antonio McDyess | m | Olympic Medalists | |
| Hugh McElhenny | m | Hall-of-Famers | |
| Mary McElroy | f | American First Ladies | |
| Sollie McElroy | m | Rock and Roll Hall-of-Famers | |
| John McEnroe | m | Notable Athletes | |
| Daniel McFadden | m | Nobel Prize Winners | |
| Lauren McFall | f | Olympic Medalists | |
| Danny D. McFarlane | m | Olympic Medalists | |
| Mike McFarlane | m | Olympic Medalists | |
| Tracey McFarlane | f | Olympic Medalists | |
| John McFee | m | Rock and Roll Hall-of-Famers | |
| Mura McFeredach | m | Saints | |
| Bobby McFerrin | m | Grammy Award Winners, Notable Musicians | |
| Marty McFly | m | Fictional Characters from Movies | |
| Frank McGee | m | Hall-of-Famers | |
| Gerry McGee | m | Rock and Roll Hall-of-Famers | |
| Pamela McGee | f | Olympic Medalists | |
| Willie McGee | m | Most Valuable Players | |
| Carla McGhee | f | Olympic Medalists | |
| Michael McGill | m | Rock and Roll Hall-of-Famers | |
| Perry McGillivray | m | Olympic Medalists | |
| Billy McGimsie | m | Hall-of-Famers | |
| Charles McGinnis | m | Olympic Medalists | |
| George McGinnis | m | Hall-of-Famers, Notable Athletes | |
| Joe McGinnity | m | Hall-of-Famers | |
| Tracy McGrady | m | Hall-of-Famers, Notable Athletes | |
| Matt McGrath | m | Olympic Medalists | |
| Ann "Muffet" McGraw | f | Hall-of-Famers | |
| John McGraw | m | Hall-of-Famers | |
| Bob McGregor | m | Olympic Medalists | |
| Conor McGregor | m | Notable Athletes | |
| 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 | |
| Edith McGuire | f | Olympic Medalists | |
| Kevin McHale | m | Hall-of-Famers, Notable Athletes | |
| Rory McIlroy | m | Notable Athletes | |
| Duff McKagan | m | Rock and Roll Hall-of-Famers | |
| Al McKay | m | Rock and Roll Hall-of-Famers | |
| Antonio McKay | m | Olympic Medalists | |
| Bill McKechnie | m | Hall-of-Famers | |
| Mary McKee | f | American First Ladies | |
| Tim McKee | m | Olympic Medalists | |
| Ian McKellen | m | Notable Actors and Entertainers | |
| Herb McKenley | m | Olympic Medalists | |
| Don McKenzie | m | Olympic Medalists | |
| Grace McKenzie | f | Olympic Medalists | |
| Ron "Pigpen" McKernan | m | Rock and Roll Hall-of-Famers | |
| Ida McKinley | f | American First Ladies | |
| William McKinley | m | American Presidents | |
| Frank McKinney Jr. | m | Olympic Medalists | |
| Richard McKinney | m | Olympic Medalists | |
| Betty McKinnon | f | Olympic Medalists | |
| Mark McKoy | m | Olympic Medalists | |
| Ian McLagan | m | Rock and Roll Hall-of-Famers | |
| Victor McLaglen | m | Notable Actors and Entertainers, Oscar Award Winners | |
| Denny McLain | m | Most Valuable Players | |
| Jimmy McLane Jr. | m | Olympic Medalists | |
| Bruce McLaren | m | Notable Athletes | |
| John McLean | m | Olympic Medalists | |
| John McLendon | m | Hall-of-Famers | |
| Mike McLeod | m | Olympic Medalists | |
| Seán William "Jacksepticeye" McLoughlin | m | Notable Actors and Entertainers | |
| Brigitte McMahon | f | Olympic Medalists | |
| Vince McMahon | m | Notable Businesspeople | |
| Cecil McMaster | m | Olympic Medalists | |
| Edwin McMillan | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Kathy McMillan | f | Olympic Medalists | |
| Bob McMillen | m | Olympic Medalists | |
| Tom McMillen | m | Olympic Medalists | |
| Randle McMurphy | m | Fictional Characters from Books, Fictional Characters from Movies | |
| Steve McNair | m | Most Valuable Players, Notable Athletes | |
| Johnny "Blood" McNally | m | Hall-of-Famers | |
| George McNamara | m | Hall-of-Famers | |
| Robert McNamara | m | Notable Politicians and Statespeople | |
| Duncan McNaughton | m | Olympic Medalists | |
| Loretta McNeil | f | Olympic Medalists | |
| Jimmy McNulty | m | Fictional Characters from Television | |
| John "Bid" McPhee | m | Hall-of-Famers | |
| Alexander McQueen | m | Notable Artists | |
| Steve McQueen | m | Notable Actors and Entertainers | |
| John McVie | m | Rock and Roll Hall-of-Famers | |
| Margaret Mead | f | Notable Scientists and Inventors | |
| George Meade | m | Notable Military Figures | |
| James Meade | m | Nobel Prize Winners | |
| Vaughn Meader | m | Grammy Award Winners | |
| Earle Meadows | m | Olympic Medalists | |
| Aileen Meagher | f | Olympic Medalists | |
| Mary T. Meagher | f | Olympic Medalists | |
| Bonnie Mealing | f | Olympic Medalists | |
| Meander | m | Characters in Greek Mythology | |
| Helen Meany | f | Olympic Medalists | |
| Giuseppe Meazza | m | Notable Athletes | |
| Mebunnai | m | Biblical Characters | |
| Ilya Mechnikov | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Mechtildis of Edelstetten | f | Saints | |
| Mechtildis of Helfta | f | Saints | |
| Mecionice | f | Characters in Greek Mythology | |
| Mecisteus | m | Characters in Greek Mythology | |
| Mecisteus | m | Characters in Greek Mythology | |
| Mecisteus | m | Characters in Greek Mythology | |
| Mecisteus | m | Characters in Greek Mythology | |
| Mecisteus | m | Characters in Greek Mythology | |
| Meda | f | Characters in Greek Mythology | |
| Meda | f | Characters in Greek Mythology | |
| Medad | m | Biblical Characters | |
| Medan | m | Biblical Characters | |
| Medard | m | Saints | |
| Peter Medawar | m | Nobel Prize Winners | |
| Medea | f | Characters in Greek Mythology | |
| Medericus | m | Saints | |
| Medesicaste | f | Characters in Greek Mythology | |
| Medesicaste | f | Characters in Greek Mythology | |
| Jack Medica | m | Olympic Medalists | |
| Catherine de' Medici | f | Other Royalty | |
| Cosimo de' Medici | m | Notable Businesspeople | |
| Cosimo I de' Medici | m | Other Royalty | |
| Lorenzo de' Medici | m | Notable Politicians and Statespeople | |
| Bill Medley | m | Rock and Roll Hall-of-Famers | |
| Medon | m | Characters in Greek Mythology | |
| Medon | m | Characters in Greek Mythology | |
| Medon | m | Characters in Greek Mythology | |
| Medon | m | Characters in Greek Mythology | |
| Medon | m | Characters in Greek Mythology | |
| Medon | m | Characters in Greek Mythology | |
| Medon | m | Characters in Greek Mythology | |
| Medon | m | Characters in Greek Mythology | |
| Medon | m | Characters in Greek Mythology | |
| Medon | m | Characters in Greek Mythology | |
| Medon | m | Characters in Greek Mythology | |
| Medores | m | Characters in Greek Mythology | |
| Medrald | m | Saints | |
| Medus | m | Characters in Greek Mythology | |
| Medusa | f | Characters in Greek Mythology | |
| Medusa | f | Characters in Greek Mythology | |
| Medusa | f | Characters in Greek Mythology | |
| Medusa | f | Characters in Greek Mythology | |
| Joe Medwick | m | Hall-of-Famers, Most Valuable Players | |
| Helge Meeuw | m | Olympic Medalists | |
| Megabrontes | m | Characters in Greek Mythology | |
| Megacles | m | Characters in Greek Mythology | |
| Megaera | f | Characters in Greek Mythology | |
| Megaletor | m | Characters in Greek Mythology | |
| Megalossaces | m | Characters in Greek Mythology | |
| Megamede | f | Characters in Greek Mythology | |
| Megamedes | m | Characters in Greek Mythology | |
| Meganira | f | Characters in Greek Mythology | |
| Megapenthes | m | Characters in Greek Mythology | |
| Megapenthes | m | Characters in Greek Mythology | |
| Megara | f | Characters in Greek Mythology | |
| Megareus | m | Characters in Greek Mythology | |
| Megareus | m | Characters in Greek Mythology | |
| Megarus | m | Characters in Greek Mythology | |
| Megas | m | Characters in Greek Mythology | |
| Megassares | m | Characters in Greek Mythology | |
| Megasthenes | m | Characters in Greek Mythology | |
| Gheorghe Megelea | m | Olympic Medalists | |
| Meges | m | Characters in Greek Mythology | |
| Meges | m | Characters in Greek Mythology | |
| Meges | m | Characters in Greek Mythology | |
| Meges | m | Characters in Greek Mythology | |
| Meghan, Duchess of Sussex | f | Other Royalty | |
| Greg Meghoo | m | Olympic Medalists | |
| Megingaud | m | Saints | |
| Megisto | f | Characters in Greek Mythology | |
| Mehetabel | f | Biblical Characters | |
| Mehetabel | m | Biblical Characters | |
| Mehida | m | Biblical Characters | |
| Mehir | m | Biblical Characters | |
| 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 | |
| Mehujael | m | Biblical Characters | |
| Mehuman | m | Biblical Characters | |
| Sid Meier | m | Notable Artists | |
| Meilanion | m | Characters in Greek Mythology | |
| Meilanion | m | Characters in Greek Mythology | |
| Meilge Molbthach | m | Characters in Celtic Mythology, Irish Kings | |
| Klaus Meine | m | Notable Musicians | |
| Meinrad | m | Saints | |
| Meinuph | m | Saints | |
| Meinwerk | m | Saints | |
| Randy Meisner | m | Rock and Roll Hall-of-Famers | |
| Katrin Meissner | f | Olympic Medalists | |
| Lise Meitner | f | Notable Scientists and Inventors | |
| Mahiedine Mekhissi-Benabbad | m | Olympic Medalists | |
| Mél of Ardagh | m | Saints | |
| Melaena | f | Characters in Greek Mythology | |
| Melaeneus | m | Characters in Greek Mythology | |
| Melaine | m | Saints | |
| Melampus | m | Characters in Greek Mythology | |
| Melampus | m | Characters in Greek Mythology | |
| Melampus | m | Characters in Roman Mythology | |
| Melan | m | Saints | |
| Melanchaetes | m | Characters in Greek Mythology | |
| Melanchaetes | f | Characters in Greek Mythology | |
| Melaneus | m | Characters in Greek Mythology | |
| Melaneus | m | Characters in Greek Mythology | |
| Melaneus | m | Characters in Greek Mythology | |
| Melaneus | m | Characters in Greek Mythology | |
| Melaneus | m | Characters in Greek Mythology | |
| Melaneus | m | Characters in Greek Mythology | |
| Melaneus | m | Characters in Greek Mythology | |
| Melaneus | m | Characters in Greek Mythology | |
| Melaneus | m | Characters in Greek Mythology | |
| Melania the Elder | f | Saints | |
| Melania the Younger | f | Saints | |
| Melanion | m | Characters in Greek Mythology | |
| Melanippe | f | Characters in Greek Mythology | |
| Melanippe | f | Characters in Greek Mythology | |
| Melanippe | f | Characters in Greek Mythology | |
| Melanippe | f | Characters in Greek Mythology | |
| Melanippus | m | Characters in Greek Mythology | |
| Melanippus | m | Characters in Greek Mythology | |
| Melanippus | m | Characters in Greek Mythology | |
| Melanippus | m | Characters in Greek Mythology | |
| Melanippus | m | Characters in Greek Mythology | |
| Melanippus | m | Characters in Greek Mythology | |
| Melanippus | m | Characters in Greek Mythology | |
| Melanippus | m | Characters in Greek Mythology | |
| Melanippus | m | Characters in Greek Mythology | |
| Melantheia | f | Characters in Greek Mythology | |
| Melantheus | m | Characters in Greek Mythology | |
| Melanthius | m | Characters in Greek Mythology | |
| Melanthius | m | Characters in Greek Mythology | |
| Melanthius | m | Characters in Greek Mythology | |
| Melantho | f | Characters in Greek Mythology | |
| Melantho | f | Characters in Greek Mythology | |
| Melanthus | m | Characters in Greek Mythology | |
| Melanthus | m | Characters in Greek Mythology | |
| Melanthus | m | Characters in Greek Mythology | |
| Melapsippus | m | Saints | |
| Melas | m | Saints | |
| Melas | m | Characters in Greek Mythology | |
| Melas | m | Characters in Greek Mythology | |
| Melas | m | Characters in Greek Mythology | |
| Melas | m | Characters in Greek Mythology | |
| Melas | m | Characters in Greek Mythology | |
| Melas | m | Characters in Greek Mythology | |
| Melas | m | Characters in Greek Mythology | |
| Melasippus | m | Saints | |
| Melatiah | m | Biblical Characters | |
| Melchi | m | Biblical Characters | |
| Melchi | m | Biblical Characters | |
| Melchizedek | m | Biblical Characters | |
| Morten P. Meldal | m | Nobel Prize Winners | |
| Melea | m | Biblical Characters | |
| Meleager | m | Characters in Greek Mythology | |
| Melech | m | Biblical Characters | |
| Meles | m | Characters in Greek Mythology | |
| Meles | m | Characters in Greek Mythology | |
| Irina Meleshina | f | Olympic Medalists | |
| Melete | f | Characters in Greek Mythology | |
| Meletius | m | Saints | |
| Meletius of Antioch | m | Saints | |
| Jennifer Melfi | f | Fictional Characters from Television | |
| Melia | f | Characters in Greek Mythology | |
| Meliboea | f | Characters in Greek Mythology | |
| Melicertes | m | Characters in Greek Mythology | |
| Melictaina | f | Characters in Greek Mythology | |
| Antiopi Melidoni | f | Olympic Medalists | |
| Melie | f | Characters in Greek Mythology | |
| Lori Melien | f | Olympic Medalists | |
| Georges Méliès | m | Notable Filmmakers | |
| Meline | f | Characters in Greek Mythology | |
| Doina Melinte | f | Olympic Medalists | |
| Melis | f | Characters in Greek Mythology | |
| Melissa | f | Hurricanes and Tropical Storms | |
| Melissa | f | Hurricanes and Tropical Storms | |
| Melissa | f | Characters in Greek Mythology | |
| Melisseus | m | Characters in Greek Mythology | |
| Melisseus | m | Characters in Greek Mythology | |
| Melisseus | m | Characters in Greek Mythology | |
| Melite | f | Characters in Greek Mythology | |
| Melite | f | Characters in Greek Mythology | |
| Melite | f | Characters in Greek Mythology | |
| Meliteus | m | Characters in Greek Mythology | |
| Melito of Sardis | m | Saints | |
| Melius | m | Characters in Greek Mythology | |
| Mella | f | Saints | |
| John Mellencamp | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Mellitus | m | Saints | |
| Craig Mello | m | Nobel Prize Winners | |
| Mellon | m | Saints | |
| Fleur Mellor | f | Olympic Medalists | |
| Faina Melnik | f | Olympic Medalists | |
| Nikolai Melnikov | m | Olympic Medalists | |
| Melobosis | f | Characters in Greek Mythology | |
| Melphis | f | Characters in Greek Mythology | |
| Melpomene | f | Characters in Greek Mythology | |
| Katie Melua | f | Notable Musicians | |
| Count Giles de Melun | m | Shakespearian Characters | |
| Herman Melville | m | Notable Writers | |
| Jean-Pierre Melville | m | Notable Filmmakers | |
| Membliarus | m | Characters in Greek Mythology | |
| Hans Memling | m | Notable Artists | |
| Memmius | m | Saints | |
| Memnon | m | Characters in Greek Mythology | |
| Memorius | m | Saints | |
| Memphis | f | Characters in Greek Mythology | |
| Memphis | f | Characters in Greek Mythology | |
| Memucan | m | Biblical Characters | |
| Jesús Mena Campos | m | Olympic Medalists | |
| Luigi Federico Menabrea | m | Italian Presidents and Prime Ministers | |
| Menahem | m | Biblical Characters, Israelite and Judean Kings | |
| Menalcas | m | Characters in Greek Mythology | |
| Menalcas | m | Characters in Greek Mythology | |
| Menalces | m | Characters in Greek Mythology | |
| Menaleus | m | Characters in Greek Mythology | |
| Menander | m | Notable Writers | |
| Claude Ménard | m | Olympic Medalists | |
| Menas | m | Shakespearian Characters | |
| Menas of Constantinople | m | Saints | |
| Menas of Egypt | m | Saints | |
| Vera Menchik | f | Notable Athletes | |
| Rigoberta Menchú | f | Nobel Prize Winners, Notable Activists and Revolutionaries | |
| H. L. Mencken | m | Notable Journalists | |
| Gregor Mendel | m | Notable Scientists and Inventors | |
| Nate Mendel | m | Rock and Roll Hall-of-Famers | |
| Dmitriy Mendeleev | m | Notable Scientists and Inventors | |
| Felix Mendelssohn | m | Notable Musicians | |
| Eva Mendes | f | Notable Actors and Entertainers | |
| José Mendes Cabeçadas | m | Portuguese Presidents and Prime Ministers | |
| Sam Mendes | m | Notable Filmmakers, Oscar Award Winners | |
| Sérgio Mendes | m | Notable Musicians | |
| Shawn Mendes | m | Notable Musicians | |
| Javier Méndez | m | Olympic Medalists | |
| Jesús Méndez Montoya | m | Saints | |
| José Méndez | m | Hall-of-Famers | |
| Nurlan Mendygaliev | m | Olympic Medalists | |
| Meneclus | m | Characters in Greek Mythology | |
| Menecrates | m | Shakespearian Characters | |
| Dino Meneghin | m | Hall-of-Famers, Notable Athletes, Olympic Medalists | |
| Liduina Meneguzzi | f | Saints | |
| Menelaus | m | Characters in Greek Mythology, Shakespearian Characters | |
| Meneldil | m | Tolkien's Characters | |
| Meneleus | m | Saints | |
| Carlos Menem | m | Argentine Presidents | |
| Menemachus | m | Characters in Greek Mythology | |
| Alfonso Menéndez Vallín | m | Olympic Medalists | |
| Agrippa Menenius Lanatus | m | Shakespearian Characters | |
| Menephron | m | Characters in Greek Mythology | |
| Meneptolemus | m | Characters in Greek Mythology | |
| Meneptolemus | m | Characters in Greek Mythology | |
| Menes | m | Characters in Greek Mythology | |
| Menesthes | m | Characters in Greek Mythology | |
| Menesthes | m | Characters in Greek Mythology | |
| Menestheus | m | Characters in Greek Mythology | |
| Menestheus | m | Characters in Greek Mythology | |
| Menestheus | m | Characters in Roman Mythology | |
| Menesthius | m | Characters in Greek Mythology | |
| Menesthius | m | Characters in Greek Mythology | |
| Menestho | f | Characters in Greek Mythology | |
| Menestratus | m | Characters in Greek Mythology | |
| Menetes | m | Characters in Greek Mythology | |
| Meng Ke | m | Notable Philosophers and Thinkers | |
| Marco Mengoni | m | Notable Musicians | |
| Anton Raphael Mengs | m | Notable Artists | |
| Gemma Mengual | f | Olympic Medalists | |
| Meni | m | Biblical Characters | |
| Menignus | m | Saints | |
| Menippe | f | Characters in Greek Mythology | |
| Menippe | f | Characters in Greek Mythology | |
| Menippe | f | Characters in Greek Mythology | |
| Menippis | f | Characters in Greek Mythology | |
| Menippus | m | Characters in Greek Mythology | |
| Argentina Menis | f | Olympic Medalists | |
| Carol Menken-Schaudt | f | Olympic Medalists | |
| Menna | f | Saints | |
| Menna | m | Biblical Characters | |
| Mennas of Alexandria | m | Saints | |
| Pietro Mennea | m | Notable Athletes, Olympic Medalists | |
| Benedetto Menni | m | Saints | |
| Menodice | f | Characters in Greek Mythology | |
| Menodora | f | Saints | |
| Menoeceus | m | Characters in Greek Mythology | |
| Menoeceus | m | Characters in Greek Mythology | |
| Menoetes | m | Characters in Greek Mythology | |
| Menoetes | m | Characters in Greek Mythology | |
| Menoetes | m | Characters in Greek Mythology | |
| Menoetes | m | Characters in Greek Mythology | |
| Menoetes | m | Characters in Greek Mythology | |
| Menoetes | m | Characters in Greek Mythology | |
| Menoetes | m | Characters in Greek Mythology | |
| Menoetes | m | Characters in Roman Mythology | |
| Menoetius | m | Characters in Greek Mythology | |
| Menoetius | m | Characters in Greek Mythology | |
| Menoetius | m | Characters in Greek Mythology | |
| Menon | m | Characters in Greek Mythology | |
| Menon | m | Characters in Greek Mythology | |
| Maria Menounos | f | Notable Actors and Entertainers | |
| Barbara Mensing | f | Olympic Medalists | |
| Menteith | m | Shakespearian Characters | |
| Mentes | m | Characters in Greek Mythology | |
| Mentes | m | Characters in Greek Mythology | |
| Mentes | m | Characters in Greek Mythology | |
| Mentor | m | Characters in Greek Mythology | |
| Mentor | m | Characters in Greek Mythology | |
| Mentor | m | Characters in Greek Mythology | |
| Mentor | m | Characters in Greek Mythology | |
| Yehudi Menuhin | m | Notable Musicians | |
| Meonothai | m | Biblical Characters | |
| Mephibosheth | m | Biblical Characters | |
| Mephibosheth | m | Biblical Characters | |
| Raúl Mera | m | Olympic Medalists | |
| Merab | f | Biblical Characters | |