| Name | Gender | Categories | |
|---|
| Ray Manzarek | m | Notable Musicians, Rock and Roll Hall-of-Famers |  |
| Mao Zedong | m | Other Leaders | |
| Maoch | m | Biblical Characters | |
| Maon | m | Biblical Characters | |
| Tim Mara | m | Hall-of-Famers | |
| Wellington Mara | m | Hall-of-Famers | |
| Diego Maradona | m | Notable Athletes | |
| Anthony Marantino | m | Fictional Characters from Television | |
| Walter "Rabbit" Maranville | m | Hall-of-Famers | |
| Jean-Paul Marat | m | Notable Activists and Revolutionaries | |
| Marathon | m | Characters in Greek Mythology | |
| Pete Maravich | m | Hall-of-Famers, Notable Athletes | |
| Adonis Marble | m | Fictional Characters from Plays and Musicals | |
| Marcellinus of Carthage | m | Saints | |
| Marcellus the Centurion | m | Saints | |
| Marcellus I | m | Bishops of Rome and the Popes, Saints | |
| Marcellus | m | Shakespearian Characters | |
| Fredric March | m | Notable Actors and Entertainers, Oscar Award Winners | |
| Joseph Marchand | m | Saints | |
| Gino Marchetti | m | Hall-of-Famers, Notable Athletes | |
| Clemente Marchisio | m | Saints | |
| Marcian | m | Roman and Byzantine Emperors, Saints | |
| Rocky Marciano | m | Notable Athletes | |
| Kęstutis Marčiulionis | m | Olympic Medalists | |
| Šarūnas Marčiulionis | m | Hall-of-Famers, Notable Athletes, Olympic Medalists | |
| Young Marcius | m | Shakespearian Characters | |
| Gnaeus Marcius Coriolanus | m | Notable Military Figures, Shakespearian Characters | |
| Marco | m | Hurricanes and Tropical Storms | |
| Serghei Marcoci | m | Olympic Medalists | |
| Sholto Marcon | m | Olympic Medalists | |
| Guglielmo Marconi | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Otho | m | Roman and Byzantine Emperors | |
| Nerva | m | Roman and Byzantine Emperors | |
| Trajan | m | Roman and Byzantine Emperors | |
| Marcus Aurelius | m | Notable Philosophers and Thinkers, Roman and Byzantine Emperors | |
| Didius Julianus | m | Roman and Byzantine Emperors | |
| Macrinus | m | Roman and Byzantine Emperors | |
| Alexander Severus | m | Roman and Byzantine Emperors | |
| Gordian I | m | Roman and Byzantine Emperors | |
| Gordian II | m | Roman and Byzantine Emperors | |
| Pupienus | m | Roman and Byzantine Emperors | |
| Gordian III | m | Roman and Byzantine Emperors | |
| Philip the Arab | m | Roman and Byzantine Emperors | |
| Aemilian | m | Roman and Byzantine Emperors | |
| Claudius II Gothicus | m | Roman and Byzantine Emperors | |
| Quintillus | m | Roman and Byzantine Emperors | |
| Tacitus | m | Roman and Byzantine Emperors | |
| Florian | m | Roman and Byzantine Emperors | |
| Probus | m | Roman and Byzantine Emperors | |
| Carus | m | Roman and Byzantine Emperors | |
| Maximian | m | Roman and Byzantine Emperors | |
| Constantius I Chlorus | m | Roman and Byzantine Emperors | |
| Maxentius | m | Roman and Byzantine Emperors | |
| Marcus Andronicus | m | Shakespearian Characters | |
| Marcus Licinius Crassus | m | Notable Military Figures, Notable Politicians and Statespeople | |
| Rudolph A. Marcus | m | Nobel Prize Winners | |
| Mardian | m | Shakespearian Characters | |
| Marduk | m | Biblical Characters, Other Mythological Characters | |
| Giuseppe Marello | m | Saints | |
| Ivano Marescotti | m | Notable Actors and Entertainers | |
| Mareshah | m | Biblical Characters | |
| Josep Maria Margall | m | Olympic Medalists | |
| Margarelon | m | Shakespearian Characters | |
| Alexandru Marghiloman | m | Romanian Presidents and Prime Ministers | |
| Giorgi Margvelashvili | m | Georgian Presidents and Prime Ministers | |
| Jess Mariano | m | Fictional Characters from Television | |
| Juan Marichal | m | Hall-of-Famers | |
| Bruno Marie-Rose | m | Olympic Medalists | |
| Victor Marijnen | m | Dutch Prime Ministers | |
| Jan Marijnissen | m | Notable Politicians and Statespeople | |
| Dan Marino | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Lex Marinos | m | Notable Actors and Entertainers | |
| Mario | m | Other Fictional Characters | |
| Marty Marion | m | Most Valuable Players | |
| Maris | m | Characters in Greek Mythology | |
| Marius | m | Saints | |
| Marius | m | Fictional Characters from Movies, Fictional Characters from Plays and Musicals | |
| Mark the Evangelist | m | Coptic Popes and Patriarchs of Alexandria, Saints | |
| Boris Markarov | m | Olympic Medalists | |
| Spyros Markezinis | m | Greek Prime Ministers | |
| Bronisław Markiewicz | m | Saints | |
| Marko | m | Serbian Kings, Tsars and Princes | |
| Khristo Markov | m | Olympic Medalists | |
| Kálmán Markovits | m | Olympic Medalists | |
| Harry Markowitz | m | Nobel Prize Winners | |
| Jamie Marks | m | Fictional Characters from Movies | |
| Joe Marler | m | Notable Athletes | |
| Bob Marley | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Jacob Marley | m | Fictional Characters from Books | |
| Marlin | m | Fictional Characters from Movies | |
| Christopher Marlowe | m | Notable Writers | |
| Marmax | m | Characters in Greek Mythology | |
| Columba Marmion | m | Saints | |
| Silas Marner | m | Fictional Characters from Books | |
| Zoran Marojević | m | Olympic Medalists | |
| Maron | m | Characters in Greek Mythology | |
| Maron | m | Characters in Greek Mythology | |
| 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 | |
| Mars | m | Characters in Roman Mythology | |
| Bruno Mars | m | Grammy Award Winners, Notable Musicians | |
| Keith Mars | m | Fictional Characters from Television | |
| Eddie Marsan | m | Notable Actors and Entertainers | |
| Marsena | m | Biblical Characters | |
| Michael Marsh | m | Olympic Medalists | |
| Stan Marsh | m | Fictional Characters from Television | |
| E. G. Marshall | m | Emmy Award Winners, Notable Actors and Entertainers | |
| Alex Marshall | m | Fictional Characters from Television | |
| Barry Marshall | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| 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 | |
| Jack Marshall | m | New Zealand Prime Ministers | |
| John Marshall | m | Olympic Medalists | |
| Logan Marshall-Green | m | Notable Actors and Entertainers | |
| Alberto Marson | m | Olympic Medalists | |
| Lou Marson | m | Olympic Medalists | |
| Marsyas | m | Characters in Greek Mythology | |
| Charles Martel | m | Notable Military Figures, Notable Politicians and Statespeople, Other Royalty | |
| Sir Oliver Martext | m | Shakespearian Characters | |
| Martial | m | Notable Writers | |
| Martin I | m | Bishops of Rome and the Popes, Saints | |
| Martin IV | m | Bishops of Rome and the Popes | |
| Martin V | m | Bishops of Rome and the Popes | |
| Martín the Kind | m | Spanish Kings and Queens | |
| Martin | m | Fictional Characters from Song Titles | |
| 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 | |
| Jesse L. Martin | m | Notable Actors and Entertainers | |
| John Martin | m | Notable Artists | |
| Louis Martin | m | Olympic Medalists | |
| Miklós Martin | m | Olympic Medalists | |
| Paul Martin | m | Canadian Prime Ministers | |
| Paul Martin | m | Olympic Medalists | |
| Ricky Martin | m | Notable Musicians | |
| Steve Martin | m | Notable Actors and Entertainers | |
| Walden Martin | m | Olympic Medalists | |
| A Martínez | m | Notable Actors and Entertainers | |
| Arsenio Martínez Campos | m | Spanish Prime Ministers | |
| Benito "Bad Bunny" Martínez Ocasio | m | Notable Musicians | |
| Diego Martínez Barrio | m | Spanish Prime Ministers | |
| Francisco Martínez | m | Olympic Medalists | |
| Javi Martínez | m | Notable Athletes | |
| Joan Lino Martínez | m | Olympic Medalists | |
| Jonder Martínez | m | Olympic Medalists | |
| Lázaro Martínez | m | Olympic Medalists | |
| Jerry Martini | m | Rock and Roll Hall-of-Famers | |
| Al Martino | m | Notable Musicians | |
| Harry Martinson | m | Nobel Prize Winners, Notable Writers | |
| Martius | m | Shakespearian Characters | |
| Francisco Marto | m | Saints | |
| Martti Marttelin | m | Olympic Medalists | |
| Marullus | m | Shakespearian Characters | |
| Alberto Marvelli | m | Saints | |
| Marvin | m | Fictional Characters from Song Titles | |
| Lee Marvin | m | Notable Actors and Entertainers, Oscar Award Winners | |
| Marwan I ibn al-Hakam | m | Islamic Caliphs | |
| Bernard Marx | m | Fictional Characters from Books | |
| Karl Marx | m | Notable Philosophers and Thinkers | |
| Wilhelm Marx | m | German Chancellors and Presidents | |
| Ando Masahashi | m | Fictional Characters from Television | |
| Pietro Mascagni | m | Notable Musicians | |
| Peer Mascini | m | Notable Actors and Entertainers | |
| Mash | m | Biblical Characters | |
| Tomas Masiulis | m | Olympic Medalists | |
| Toshihide Maskawa | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Yevgeniy Maskinskov | m | Olympic Medalists | |
| Darius Maskoliūnas | m | Olympic Medalists | |
| Mason | m | Fictional Characters from Movies, Fictional Characters from Television | |
| Josef Masopust | m | Notable Athletes | |
| Massa | m | Biblical Characters | |
| Valentí Massana | m | Olympic Medalists | |
| Jules Massenet | m | Notable Musicians | |
| William Massey | m | New Zealand Prime Ministers | |
| Nick Massi | m | Rock and Roll Hall-of-Famers | |
| Carlos Domingos Massoni | m | Olympic Medalists | |
| Danny Masterson | m | Notable Actors and Entertainers | |
| Práxedes Mateo Sagasta | m | Spanish Prime Ministers | |
| Math | m | Characters in Celtic Mythology | |
| 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 | |
| Bob Mathias | m | Olympic Medalists | |
| Henri Matisse | m | Notable Artists | |
| Ben Matlock | m | Fictional Characters from Television | |
| Glen Matlock | m | Rock and Roll Hall-of-Famers | |
| Matri | m | Biblical Characters | |
| Ollie Matson | m | Hall-of-Famers, Olympic Medalists | |
| Randy Matson | m | Olympic Medalists | |
| Matsuo Bashō | m | Notable Writers | |
| Matt | m | Fictional Characters from Books | |
| Mattan | m | Biblical Characters | |
| Mattan | 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 | |
| Matthan | m | Biblical Characters | |
| Matthat | m | Biblical Characters | |
| Matthat | m | Biblical Characters | |
| Walter Matthau | m | Notable Actors and Entertainers, Oscar Award Winners | |
| Faidon Mattheou | m | Notable Athletes | |
| Matthew the Evangelist | m | Biblical Characters, Saints | |
| Matthew Gam Van Le | m | Saints | |
| Matthew Rhys | m | Emmy Award Winners, Notable Actors and Entertainers | |
| Alan Matthews | m | 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 | |
| Stanley Matthews | m | Notable Athletes | |
| Vince Matthews | m | Olympic Medalists | |
| Wade Matthews | m | Fictional Characters from Television | |
| Matthias | m | Biblical Characters, Saints | |
| Don Mattingly | m | Most Valuable Players, Notable Athletes | |
| Sergio Matto | 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 | |
| Francis Xavier Mau | m | Saints | |
| Joe Mauer | m | Most Valuable Players, Notable Athletes | |
| François Mauriac | m | Nobel Prize Winners, Notable Writers | |
| Maurice | m | Fictional Characters from Books | |
| Maurus of Nitra | m | Saints | |
| Alexandros Mavrokordatos | m | Greek Prime Ministers | |
| Stylianos Mavromichalis | m | Greek Prime Ministers | |
| Kevin Mawae | m | Hall-of-Famers | |
| Douglas Mawson | m | Notable Explorers and Adventurers | |
| Maximilian I | m | Austrian Dukes and Emperors, German Kings and Holy Roman Emperors | |
| Maximilian of Baden | m | German Chancellors and Presidents | |
| Maximinus | m | Saints | |
| Maximus of Aquila | m | Saints | |
| Louis W. Maxson | m | Olympic Medalists | |
| Maxwell | m | Notable Athletes | |
| Maxwell | m | Fictional Characters from Song Titles | |
| Frederick George "Steamer" Maxwell | m | Hall-of-Famers | |
| Brian May | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| James May | m | Notable Actors and Entertainers | |
| Jonny May | m | Notable Athletes | |
| Willie May | m | Olympic Medalists | |
| Rik Mayall | m | Notable Actors and Entertainers | |
| John Mayer | m | Grammy Award Winners, Notable Musicians | |
| Mihály Mayer | m | Olympic Medalists | |
| Adam Mayfair | m | Fictional Characters from Television | |
| Curtis Mayfield | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Don Maynard | m | Hall-of-Famers | |
| Willie Mays | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Floyd Mayweather Jr. | m | Notable Athletes, Olympic Medalists | |
| Bill Mazeroski | m | Hall-of-Famers, Notable Athletes | |
| Tadeusz Mazowiecki | m | Polish Presidents and Prime Ministers | |
| Pascoal Ranieri Mazzilli | m | Brazilian Presidents | |
| Giovanni Battista Mazzucconi | m | Saints | |
| Bob McAdoo | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| George McAfee | m | Hall-of-Famers | |
| Ken McArthur | m | Olympic Medalists | |
| James McAvoy | m | Notable Actors and Entertainers | |
| Tom McBreen | m | Olympic Medalists | |
| Frank McCabe | m | Olympic Medalists | |
| Pete McCaffrey | m | Olympic Medalists | |
| John McCain | m | Notable Politicians and Statespeople | |
| Charles McCallister | m | Olympic Medalists | |
| Kevin McCallister | m | Fictional Characters from Movies | |
| Ben McCalman | m | Notable Athletes | |
| Austin McCann | m | Fictional Characters from Television | |
| Chuck McCann | m | Notable Actors and Entertainers | |
| Leo McCarey | m | Notable Filmmakers, Oscar Award Winners | |
| Cormac McCarthy | m | Notable Writers, Pulitzer Award Winners | |
| 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 | |
| Richie McCaw | m | Notable Athletes | |
| Alan McClatchey | m | Olympic Medalists | |
| Joe McCluskey | m | Olympic Medalists | |
| Mitch McConnell | m | Notable Politicians and Statespeople | |
| Will McCorkle | m | Fictional Characters from Television | |
| Eric McCormack | m | Emmy Award Winners, Notable Actors and Entertainers | |
| Mike McCormack | m | Hall-of-Famers | |
| Frank McCormick | m | Most Valuable Players | |
| Kenny McCormick | m | Fictional Characters from Television | |
| Alastair McCorquodale | m | Olympic Medalists | |
| Willie McCovey | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Jack McCoy | m | Fictional Characters from Television | |
| Leonard "Bones" McCoy | m | Fictional Characters from Television | |
| Matt McCoy | m | Notable Actors and Entertainers | |
| Branch McCracken | m | Hall-of-Famers | |
| Jack McCracken | m | Hall-of-Famers | |
| Josiah McCracken | m | Olympic Medalists | |
| Bear McCreary | m | Notable Musicians | |
| Nick McCrory | m | Olympic Medalists | |
| 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 | |
| Lee McDermott | m | Fictional Characters from Television | |
| Andrew McDonald | m | Olympic Medalists | |
| Arthur B. McDonald | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Lanny McDonald | m | Hall-of-Famers, Notable Athletes | |
| Lindsey McDonald | m | Fictional Characters from Television | |
| Michael McDonald | m | Olympic Medalists | |
| Pat McDonald | m | Olympic Medalists | |
| Ronald McDonald | m | Other Fictional Characters | |
| Tommy McDonald | m | Hall-of-Famers | |
| Trevor McDonald | m | Notable Journalists | |
| Roddy McDowall | m | Notable Actors and Entertainers | |
| Antonio McDyess | m | Olympic Medalists | |
| Rob McElhenney | m | Notable Actors and Entertainers | |
| Hugh McElhenny | m | Hall-of-Famers | |
| Sollie McElroy | m | Rock and Roll Hall-of-Famers | |
| John McEwen | m | Australian Prime Ministers | |
| Daniel McFadden | m | Nobel Prize Winners | |
| Jack McFarland | m | Fictional Characters from Television | |
| Danny D. McFarlane | m | Olympic Medalists | |
| Mike McFarlane | m | Olympic Medalists | |
| Bobby McFerrin | m | Grammy Award Winners, Notable Musicians | |
| Marty McFly | m | Fictional Characters from Movies | |
| Aiden McGeady | m | Notable Athletes | |
| Frank McGee | m | Hall-of-Famers | |
| Tim McGee | m | Fictional Characters from Television | |
| Willie McGee | m | Most Valuable Players | |
| Charlie McGettigan | m | Eurovision Song Contest Winners, Notable Musicians | |
| Perry McGillivray | m | Olympic Medalists | |
| Billy McGimsie | m | Hall-of-Famers | |
| John C. McGinley | m | Notable Actors and Entertainers | |
| Charles McGinnis | m | Olympic Medalists | |
| Joe McGinnity | m | Hall-of-Famers | |
| Michael McGovern | m | Notable Athletes | |
| Matt McGrath | m | Olympic Medalists | |
| John McGraw | m | Hall-of-Famers | |
| Tim McGraw | m | Notable Musicians | |
| Bob McGregor | m | Olympic Medalists | |
| Danny "Mac" McGregor | m | Fictional Characters from Television | |
| Roger McGuinn | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Dick McGuire | m | Hall-of-Famers, Notable Athletes | |
| Matt McGuire | m | Fictional Characters from Television | |
| Sam McGuire | m | Fictional Characters from Television | |
| Kevin McHale | m | Hall-of-Famers, Notable Athletes | |
| Antonio McKay | m | Olympic Medalists | |
| Matt McKay | m | Notable Athletes | |
| Bill McKechnie | m | Hall-of-Famers | |
| Tim McKee | m | Olympic Medalists | |
| Ed McKeever | m | Olympic Medalists | |
| Herb McKenley | m | Olympic Medalists | |
| Ben McKenzie | m | Notable Actors and Entertainers | |
| Don McKenzie | m | Olympic Medalists | |
| Les McKeown | m | Notable Musicians | |
| Leo McKern | m | Notable Actors and Entertainers | |
| William McKinley | m | American Presidents | |
| Frank McKinney Jr. | m | Olympic Medalists | |
| Richard McKinney | m | Olympic Medalists | |
| Ray McKinnon | m | Notable Actors and Entertainers | |
| Mark McKoy | m | Olympic Medalists | |
| Cormac McLaggen | m | Harry Potter Characters | |
| Victor McLaglen | m | Notable Actors and Entertainers, Oscar Award Winners | |
| Curly McLain | m | Fictional Characters from Plays and Musicals | |
| Denny McLain | m | Most Valuable Players | |
| Jimmy McLane Jr. | m | Olympic Medalists | |
| Bruce McLaren | m | Notable Athletes | |
| Gibb McLaughlin | m | Notable Actors and Entertainers | |
| A. J. McLean | m | Notable Musicians | |
| Don McLean | m | Notable Musicians | |
| John McLean | m | Olympic Medalists | |
| Matt McLean | m | Olympic Medalists | |
| Mike McLeod | m | Olympic Medalists | |
| Finian McLonergan | m | Fictional Characters from Plays and Musicals | |
| Vince McMahon | m | Notable Businesspeople | |
| William McMahon | m | Australian Prime Ministers | |
| Rove McManus | m | Notable Actors and Entertainers | |
| Cecil McMaster | m | Olympic Medalists | |
| Doyle McMaster | m | Fictional Characters from Television | |
| Conrad McMasters | m | Fictional Characters from Television | |
| Edwin McMillan | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Bob McMillen | m | Olympic Medalists | |
| Tom McMillen | m | Olympic Medalists | |
| Mark McMorris | m | Olympic Medalists | |
| Randle McMurphy | m | Fictional Characters from Books, Fictional Characters from Movies | |
| Larry McMurtry | m | Notable Writers, Pulitzer Award Winners | |
| Paddy McNair | m | Notable Athletes | |
| Steve McNair | m | Most Valuable Players, Notable Athletes | |
| Johnny "Blood" McNally | m | Hall-of-Famers | |
| George McNamara | m | Hall-of-Famers | |
| Matt McNamara | m | Fictional Characters from Television | |
| Duncan McNaughton | m | Olympic Medalists | |
| Billy McNeill | m | Notable Athletes | |
| Clyde McPhatter | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| John "Bid" McPhee | m | Hall-of-Famers | |
| James Alan McPherson | m | Pulitzer Award Winners | |
| Stuart McQuarrie | m | Notable Actors and Entertainers | |
| Steve McQueen | m | Notable Actors and Entertainers | |
| Steve McQueen | m | Notable Filmmakers | |
| Jamie McRuin | m | Fictional Characters from Plays and Musicals | |
| James Meade | m | Nobel Prize Winners | |
| Meander | m | Characters in Greek Mythology | |
| Russell Means | m | Notable Activists and Revolutionaries, Notable Actors and Entertainers | |
| Owen Meany | m | Fictional Characters from Books | |
| Giuseppe Meazza | m | Notable Athletes | |
| Ilya Mechnikov | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Medad | m | Biblical Characters | |
| Medan | m | Biblical Characters | |
| Greg Medavoy | m | Fictional Characters from Television | |
| Peter Medawar | m | Nobel Prize Winners | |
| Jack Medica | m | Olympic Medalists | |
| Max Medina | m | Fictional Characters from Television | |
| Joe Medwick | m | Hall-of-Famers, Most Valuable Players | |
| Kali Meehan | m | Notable Athletes | |
| Sam Meeker | m | Fictional Characters from Books | |
| Guus Meeuwis | m | Notable Musicians | |
| Megacles | m | Characters in Greek Mythology | |
| Megaletor | m | Characters in Greek Mythology | |
| Megalossaces | m | Characters in Greek Mythology | |
| Megapenthes | m | Characters in Greek Mythology | |
| Megapenthes | m | Characters in Greek Mythology | |
| Megas | m | Characters in Greek Mythology | |
| Megassares | m | Characters in Greek Mythology | |
| Megasthenes | m | Characters in Greek Mythology | |
| Meges | m | Characters in Greek Mythology | |
| Meges | m | Characters in Greek Mythology | |
| Meges | m | Characters in Greek Mythology | |
| Meges | m | Characters in Greek Mythology | |
| Greg Meghoo | m | Olympic Medalists | |
| 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 | |
| Zac Meier | m | Fictional Characters from Books | |
| Arthur Meighen | m | Canadian Prime Ministers | |
| Theo Meijer | m | Olympic Medalists | |
| Meilanion | m | Characters in Greek Mythology | |
| Meilanion | m | Characters in Greek Mythology | |
| Meilge Molbthach | m | Characters in Celtic Mythology, Irish Kings | |
| Mahiedine Mekhissi-Benabbad | m | Olympic Medalists | |
| Aleksandër Meksi | m | Albanian Presidents and Prime Ministers | |
| Melanchaetes | m | Characters in Greek Mythology | |
| Melanion | 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 | |
| Melas | m | Characters in Greek Mythology | |
| Melatiah | m | Biblical Characters | |
| Oskars Melbārdis | m | Olympic Medalists | |
| Melchi | m | Biblical Characters | |
| Melchi | m | Biblical Characters | |
| Melchizedek | m | Biblical Characters | |
| Melea | m | Biblical Characters | |
| Meleager | m | Characters in Greek Mythology | |
| Melech | m | Biblical Characters | |
| Meletius of Antioch | m | Saints | |
| Nika Melia | m | Notable Politicians and Statespeople | |
| Melisseus | m | Characters in Greek Mythology | |
| Ad Melkert | m | Notable Politicians and Statespeople | |
| Melkor | m | Tolkien's Characters | |
| Nikolai Melnikov | m | Olympic Medalists | |
| Fab Melo | m | Notable Athletes | |
| Count Giles de Melun | m | Shakespearian Characters | |
| Tim Melville | m | Fictional Characters from Books | |
| Hans Memling | m | Notable Artists | |
| Memnon | m | 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 | |
| Menander | m | Notable Writers | |
| Claude Ménard | m | Olympic Medalists | |
| Menas of Constantinople | m | Saints | |
| Menas | m | Shakespearian Characters | |
| Menas of Sinai | m | Saints | |
| Dmitriy Mendeleev | m | Notable Scientists and Inventors | |
| Ben Mendelsohn | m | Notable Actors and Entertainers | |
| Felix Mendelssohn | m | Notable Musicians | |
| Sam Mendes | m | Notable Filmmakers, Oscar Award Winners | |
| Isaac Mendez | m | Fictional Characters from Television | |
| Javier Méndez | m | Olympic Medalists | |
| Jesús Méndez Montoya | m | Saints | |
| José Méndez | m | Hall-of-Famers | |
| Aristotle Mendoza | m | Fictional Characters from Books | |
| Menecrates | m | Shakespearian Characters | |
| Dino Meneghin | m | Hall-of-Famers, Notable Athletes, Olympic Medalists | |
| Menelaus | m | Characters in Greek Mythology, Shakespearian Characters | |
| Tar-Meneldur | m | Tolkien's Characters | |
| Menemachus | m | Characters in Greek Mythology | |
| Alfonso Menéndez Vallín | m | Olympic Medalists | |
| Agrippa Menenius Lanatus | m | Shakespearian Characters | |
| Menephron | m | Characters in Greek Mythology | |
| Menes | m | Characters in Greek Mythology | |
| Menesthes | m | Characters in Greek Mythology | |
| Menesthes | m | Characters in Greek Mythology | |
| Menetes | m | Characters in Greek Mythology | |
| Heini Meng | m | Olympic Medalists | |
| Meni | m | Biblical Characters | |
| Alan Menken | m | Notable Musicians | |
| Menna | m | Biblical Characters | |
| Pietro Mennea | m | Notable Athletes, Olympic Medalists | |
| Benedetto Menni | m | Saints | |
| Menon | m | Characters in Greek Mythology | |
| Menon | m | Characters in Greek Mythology | |
| Vladimir Menshov | m | Notable Actors and Entertainers, Notable Filmmakers | |
| Wieger Mensonides | m | 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 | |
| Yehudi Menuhin | m | Notable Musicians | |
| Robert Menzies | m | Australian Prime Ministers | |
| Meonothai | m | Biblical Characters | |
| Mephibosheth | m | Biblical Characters | |
| Mephibosheth | m | Biblical Characters | |
| Raúl Mera | m | Olympic Medalists | |
| Ivane Merabishvili | m | Georgian Presidents and Prime Ministers | |
| Meraiah | m | Biblical Characters | |
| Merari | m | Biblical Characters | |
| Alex Meraz | m | Notable Actors and Entertainers | |
| Mercade | m | Shakespearian Characters | |
| Gerardus Mercator | m | Notable Philosophers and Thinkers | |
| Carlos Mercenario | m | Olympic Medalists | |
| Désiré Mérchez | m | Olympic Medalists | |
| Émile Mercier | m | Olympic Medalists | |
| Eddy Merckx | m | Notable Athletes | |
| Mercury | m | Biblical Characters, Characters in Roman Mythology | |
| Freddie Mercury | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Mercutio | m | Fictional Characters from Plays and Musicals, Shakespearian Characters | |
| Mered | m | Biblical Characters | |
| Ted Meredith | m | Olympic Medalists | |
| Meres | m | Biblical Characters | |
| Maximus Decimus Meridius | m | Fictional Characters from Movies | |
| Merinus | m | Saints | |
| Meriones | m | Characters in Greek Mythology | |
| Antanas Merkys | m | Lithuanian Presidents and Prime Ministers | |
| Merlin | m | Arthurian Characters, Fictional Characters from Traditional Tales | |
| Dino Merlin | m | Notable Musicians | |
| Merodach-Baladan | m | Biblical Characters | |
| Merovech | m | Frankish and French Kings | |
| Ronald Merriott | m | Olympic Medalists | |
| Finn Mertens | m | Fictional Characters from Television | |
| Robert C. Merton | m | Nobel Prize Winners | |
| Germán Mesa | m | Olympic Medalists | |
| Víctor Mesa | m | Olympic Medalists | |
| Meshach | m | Biblical Characters | |
| Meshech | m | Biblical Characters | |
| Meshelemiah | m | Biblical Characters | |
| Meshillemith | m | Biblical Characters | |
| Meshillemoth | m | Biblical Characters | |
| Meshillemoth | m | Biblical Characters | |
| Meshobab | m | Biblical Characters | |
| Messala | m | Shakespearian Characters | |
| Danny Messer | m | Fictional Characters from Television | |
| Messiah | m | Biblical Characters | |
| Mark Messier | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Chris Messina | m | Notable Actors and Entertainers | |
| Mesthles | m | Characters in Greek Mythology | |
| Mestor | m | Characters in Greek Mythology | |
| Mestor | m | Characters in Greek Mythology | |
| Mestor | m | Characters in Greek Mythology | |
| Mestor | m | Characters in Greek Mythology | |
| Santiago Mestre Iborra de Rafelbunyol | m | Saints | |
| Ilir Meta | m | Albanian Presidents and Prime Ministers | |
| Metalces | m | Characters in Greek Mythology | |
| Metanastes | m | Characters in Greek Mythology | |
| Andreas Metaxas | m | Greek Prime Ministers | |
| Jack Metcalfe | m | Olympic Medalists | |
| Methon | m | Characters in Greek Mythology | |
| Methuselah | m | Biblical Characters | |
| Metion | m | Characters in Greek Mythology | |
| Metion | m | Characters in Greek Mythology | |
| Manfred Metzger | m | Olympic Medalists | |
| Max Metzker | m | Olympic Medalists | |
| Herman Meyboom | m | Olympic Medalists | |
| Adolf Meyer | m | Notable Scientists and Inventors | |
| Alvah Meyer | m | Olympic Medalists | |
| Heiko Meyer | m | Olympic Medalists | |
| Me-Zahab | m | Biblical Characters | |
| Frigyes Mezei | m | Olympic Medalists | |
| Grigol Mgaloblishvili | m | Georgian Presidents and Prime Ministers | |
| Mibhar | m | Biblical Characters | |
| Mibsam | m | Biblical Characters | |
| Mibsam | m | Biblical Characters | |
| Mibzar | m | Biblical Characters | |
| Mica | m | Biblical Characters | |
| Micah | m | Biblical Characters | |
| Micaiah | m | Biblical Characters | |
| Micaiah | m | Biblical Characters | |
| Micaiah | m | Biblical Characters | |
| Micaiah | m | Biblical Characters | |
| Micaiah | m | Biblical Characters | |
| Tony Micelli | m | Fictional Characters from Television | |
| Michael the Archangel | m | Biblical Characters, Saints | |
| Michael the Confessor | m | Saints | |
| Ghebre Michael | m | Saints | |
| 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 V | m | Roman and Byzantine Emperors | |
| Michael VII Ducas | m | Roman and Byzantine Emperors | |
| Michael IX Palaeologus | m | Roman and Byzantine Emperors | |
| Michael | m | Hurricanes and Tropical Storms | |
| Sir Michael | m | Shakespearian Characters | |
| Michael of Ulumbo | m | Saints | |
| George Michael | m | Grammy Award Winners, Notable Musicians, Rock and Roll Hall-of-Famers | |
| Georg Michaelis | m | German Chancellors and Presidents | |
| Michał Korybut | m | Polish High Dukes and Kings | |
| Mike Michalske | m | Hall-of-Famers | |
| Albert Michant | m | Olympic Medalists | |
| Rubén Michavila Jover | m | Olympic Medalists | |
| Charles Michel | m | Belgian Prime Ministers | |
| Hartmut Michel | m | Nobel Prize Winners | |
| Michelangelo | m | Notable Artists | |
| Rinus Michels | m | Notable Athletes | |
| Christian Michelsen | m | Norwegian Prime Ministers | |
| Albert Abraham Michelson | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| James A. Michener | m | Notable Writers, Pulitzer Award Winners | |
| Edmond Michiels | m | Olympic Medalists | |
| Ogimachi | m | Japanese Emperors | |
| Mickey | m | Fictional Characters from Song Titles | |
| Micri | m | Biblical Characters | |
| Midanus | m | Characters in Greek Mythology | |
| Midas | m | Characters in Greek Mythology | |
| Midian | m | Biblical Characters | |
| Doug Mientkiewicz | m | Olympic Medalists | |
| Ludwig Mies van der Rohe | m | Notable Artists | |
| Mieszko I | m | Polish High Dukes and Kings | |
| Mieszko II Lambert | m | Polish High Dukes and Kings | |
| Mieszko III the Old | m | Polish High Dukes and Kings | |
| Mieszko IV Tanglefoot | m | Polish High Dukes and Kings | |
| Martti Miettunen | m | Finnish Presidents and Prime Ministers | |
| Igors Miglinieks | m | Olympic Medalists | |
| Miguel | m | Portuguese Kings and Queens | |
| Faustino Miguez | m | Saints | |
| Mihail Asen I | m | Bulgarian Kings and Tsars | |
| Mihail Asen II | m | Bulgarian Kings and Tsars | |
| Mihail Asen III | m | Bulgarian Kings and Tsars | |
| Mihailo III Obrenović | m | Serbian Kings, Tsars and Princes | |
| Vasa Mijić | m | Olympic Medalists | |
| Mika | m | Notable Musicians | |
| George Mikan | m | Hall-of-Famers, Notable Athletes | |
| Mike D | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Mikhail | m | Russian Grand Dukes and Tsars | |
| Mikhail I | m | Russian Grand Dukes and Tsars | |
| Mikhail II | m | Other Royalty | |
| Anatoly Mikhailov | m | Olympic Medalists | |
| Stan Mikita | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Vern Mikkelsen | m | Hall-of-Famers, Notable Athletes | |
| Mikloth | m | Biblical Characters | |
| Mikloth | m | Biblical Characters | |
| Mikneiah | m | Biblical Characters | |
| Maximilian II | m | Austrian Dukes and Emperors, Bohemian Kings, German Kings and Holy Roman Emperors, Hungarian Kings and Queens | |
| Zoran Mikulić | m | Notable Athletes, Olympic Medalists | |
| Milalai | m | Biblical Characters | |
| Milan II Obrenović | m | Serbian Kings, Tsars and Princes | |
| Milan | m | Serbian Kings, Tsars and Princes | |
| Rod Milburn Jr. | m | Olympic Medalists | |
| Ben Miles | m | Notable Actors and Entertainers | |
| Lewis Milestone | m | Notable Filmmakers, Oscar Award Winners | |
| Roger Milla | m | Notable Athletes | |
| John Everett Millais | m | Notable Artists | |
| Ray Milland | m | Notable Actors and Entertainers, Oscar Award Winners | |
| Arthur Miller | m | Notable Writers, Pulitzer Award Winners | |
| Bill Miller | m | Olympic Medalists | |
| Bill Miller | m | Olympic Medalists | |
| Dick Miller | m | Notable Actors and Entertainers | |
| John Miller | m | Fictional Characters from Movies | |
| Jonny Lee Miller | m | Notable Actors and Entertainers | |
| Larry Miller | m | Notable Actors and Entertainers | |
| Liam Miller | m | Notable Athletes | |
| Lior Miller | m | Notable Actors and Entertainers | |
| Merton Miller | m | Nobel Prize Winners | |
| Pete Miller | m | Fictional Characters from Television | |
| Reggie Miller | m | Hall-of-Famers, Notable Athletes, Olympic Medalists | |
| Scott Miller | m | Olympic Medalists | |
| Alexandre Millerand | m | French Presidents and Prime Ministers | |
| Steven Millhauser | m | Pulitzer Award Winners | |
| Robert Andrews Millikan | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Wayne Millner | m | Hall-of-Famers | |
| Billy Mills | m | Olympic Medalists | |
| John Mills | m | Notable Actors and Entertainers, Oscar Award Winners | |
| Ronnie Mills | m | Olympic Medalists | |
| Sam Mills | m | Hall-of-Famers | |
| Matt Milne | m | Notable Actors and Entertainers | |
| James Milner | m | Notable Athletes | |
| Miloš Obrenović | m | Serbian Kings, Tsars and Princes | |
| Valeriy Miloserdov | m | Olympic Medalists | |
| Czesław Miłosz | m | Nobel Prize Winners, Notable Writers | |
| César Milstein | m | Nobel Prize Winners | |
| Miltiades | m | Bishops of Rome and the Popes, Saints | |
| George Milton | m | Fictional Characters from Books | |
| Mímir | m | Characters in Norse Mythology | |
| Min "Suga" Yoon-gi | m | Notable Musicians | |
| Guram Minashvili | m | Olympic Medalists | |
| Tar-Minastir | m | Tolkien's Characters | |
| Mineus | m | Characters in Greek Mythology | |
| Anthony Minghella | m | Notable Filmmakers, Oscar Award Winners | |
| Marco Minghetti | m | Italian Presidents and Prime Ministers | |
| Charles Mingus | m | Notable Musicians | |
| Minis | m | Characters in Greek Mythology | |
| Stuart Minkus | m | Fictional Characters from Television | |
| Vincente Minnelli | m | Notable Filmmakers, Oscar Award Winners | |
| Minnyrides | m | Characters in Greek Mythology | |
| Baptista Minola | m | Shakespearian Characters | |
| Minos | m | Characters in Greek Mythology | |
| Minos | m | Characters in Greek Mythology | |
| Minnie Miñoso | m | Hall-of-Famers | |
| George Minot | m | Nobel Prize Winners | |
| Minotaur | m | Characters in Greek Mythology | |
| Christopher Mintz-Plasse | m | Notable Actors and Entertainers | |
| Minyas | m | Characters in Greek Mythology | |
| Kevin Mirallas | m | Notable Athletes | |
| Miranda | m | Notable Athletes | |
| Mirian III of Iberia | m | Saints | |
| Voja Mirić | m | Notable Actors and Entertainers | |
| Mirmah | m | Biblical Characters | |
| Max Mirnyi | m | Notable Athletes, Olympic Medalists | |
| Joan Miró | m | Notable Artists | |
| Yevgeniy Mironov | m | Olympic Medalists | |
| James Mirrlees | m | Nobel Prize Winners | |
| Victor Mirshauswka | m | Olympic Medalists | |
| Edvard Mirzoyan | m | Notable Musicians | |
| Mishael | m | Biblical Characters | |
| Mishael | m | Biblical Characters | |
| Misham | m | Biblical Characters | |
| Mishma | m | Biblical Characters | |
| Mishma | m | Biblical Characters | |
| Mishmannah | m | Biblical Characters | |
| Arsens Miskarovs | m | Olympic Medalists | |
| Mispar | m | Biblical Characters | |
| Frédéric Mistral | m | Nobel Prize Winners, Notable Writers | |
| Mitch | m | Hurricanes and Tropical Storms | |
| Matthew Mitcham | m | Olympic Medalists | |
| James Mitchel | m | Olympic Medalists | |
| Bobby Mitchell | m | Hall-of-Famers | |
| Cam Mitchell | m | Fictional Characters from Television | |
| Frank Mitchell | m | Fictional Characters from Television | |
| George Mitchell | m | Olympic Medalists | |
| Henry Mitchell | m | Fictional Characters from Television | |
| Kevin Mitchell | m | Most Valuable Players | |
| Myles Mitchell | m | Fictional Characters from Television | |
| Peter D. Mitchell | m | Nobel Prize Winners | |
| Rick Mitchell | m | Olympic Medalists | |
| Ryan Mitchell | m | Olympic Medalists | |
| Thomas Mitchell | m | Notable Explorers and Adventurers | |
| Thomas Mitchell | m | Emmy Award Winners, Notable Actors and Entertainers, Oscar Award Winners | |
| Mithra | m | Characters in Greek Mythology, Characters in Persian Mythology | |
| Mithredath | m | Biblical Characters | |
| Mithredath | m | Biblical Characters | |
| Mithridates I | m | Persian and Iranian Kings and Queens | |
| György Mitró | m | Olympic Medalists | |
| Kostas Mitroglou | m | Notable Athletes | |
| Stefan Mitrović | m | Olympic Medalists | |
| Rexhep Mitrovica | m | Albanian Presidents and Prime Ministers | |
| Mitso Asen | m | Bulgarian Kings and Tsars | |
| Konstantinos Mitsotakis | m | Greek Prime Ministers | |
| Kyriakos Mitsotakis | m | Greek Prime Ministers | |
| Shijo | m | Japanese Emperors | |
| Lakshmi Mittal | m | Notable Businesspeople | |
| François Mitterrand | m | French Presidents and Prime Ministers | |
| Walter Mitty | m | Fictional Characters from Books | |
| Ron Mix | m | Hall-of-Famers | |
| Miyamoto Musashi | m | Notable Military Figures | |
| Yasuji Miyazaki | m | Olympic Medalists | |
| Johnny Mize | m | Hall-of-Famers, Notable Athletes | |
| Mizraim | m | Biblical Characters | |
| Mizzah | m | Biblical Characters | |
| Oliver Mlakar | m | Notable Actors and Entertainers | |
| Mnason | m | Biblical Characters | |
| Mneseus | m | Characters in Greek Mythology | |
| Mo Yan | m | Nobel Prize Winners, Notable Writers | |
| Moab | m | Biblical Characters | |
| Mocius of Amphipolis | m | Saints | |
| Mike Modano | m | Hall-of-Famers, Notable Athletes | |
| Luchesio Modestini | m | Saints | |
| Patrick Modiano | m | Nobel Prize Winners, Notable Writers | |
| Domenico Modugno | m | Grammy Award Winners, Notable Musicians | |
| William E. Moerner | m | Nobel Prize Winners | |
| John Moffitt | m | Olympic Medalists | |
| Carsten Mogensen | m | Olympic Medalists | |
| Oscar Moglia | m | Olympic Medalists | |
| Mohammad Nazimuddin | m | Notable Athletes | |
| Zia Mohyeddin | m | Notable Actors and Entertainers | |
| Augustine Moi | m | Saints | |
| Aleksandr Moiseyev | m | Olympic Medalists | |
| Henri Moissan | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Godfrey Khotso Mokoena | m | Olympic Medalists | |
| Adrian Mole | m | Fictional Characters from Books | |
| Molech | m | Biblical Characters | |
| Molid | m | Biblical Characters | |
| Mario Molina | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Molion | m | Characters in Greek Mythology | |
| Molion | m | Characters in Greek Mythology | |
| Molion | m | Characters in Greek Mythology | |
| Art Mollner | m | Olympic Medalists | |
| István Molnár | m | Olympic Medalists | |
| Adam Wilhelm Moltke | m | Danish Prime Ministers | |
| Peter Molyneux | m | Notable Artists | |
| Theodor Mommsen | m | Nobel Prize Winners, Notable Philosophers and Thinkers, Notable Writers | |
| Momus | m | Characters in Greek Mythology | |
| Monaeses | m | Characters in Greek Mythology | |
| Tom Monaghan | m | Notable Businesspeople | |
| Buonfiglio Monaldi | m | Saints | |
| John Monckton | m | Olympic Medalists | |
| Piet Mondrian | m | Notable Artists | |
| Claude Monet | m | Notable Artists | |
| Ernesto Teodoro Moneta | m | Nobel Prize Winners | |
| Eddie Money | m | Notable Musicians | |
| António Egas Moniz | m | Nobel Prize Winners | |
| Art Monk | m | Hall-of-Famers | |
| Thelonious Monk | m | Notable Musicians | |
| Jacques Monod | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Nacho Monreal | m | Notable Athletes | |
| Adam Monroe | m | Fictional Characters from Television | |
| Bill Monroe | m | Notable Musicians | |
| James Monroe | m | American Presidents | |
| Guy Montag | m | Fictional Characters from Books | |
| Luc Montagnier | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Montague | m | Shakespearian Characters | |
| Michel de Montaigne | m | Notable Writers | |
| Eugenio Montale | m | Nobel Prize Winners, Notable Writers | |
| Joe Montana | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Tony Montana | m | Fictional Characters from Movies | |
| Yves Montand | m | Notable Actors and Entertainers, Notable Musicians | |
| Montano | m | Shakespearian Characters | |
| Cory Monteith | m | Notable Actors and Entertainers | |
| Eugenio Montero Ríos | m | Spanish Prime Ministers | |
| Pablo Montes | m | Olympic Medalists | |
| Claudio Monteverdi | m | Notable Musicians | |
| Charles Montgomery | m | Fictional Characters from Television | |
| Greg Montgomery | m | Fictional Characters from Television | |
| Jim Montgomery | m | Olympic Medalists | |
| Sir John Montgomery | m | Shakespearian Characters | |
| Tim Montgomery | m | Olympic Medalists | |
| Luigi Maria Monti | m | Saints | |
| Luis Monti | m | Notable Athletes | |
| Mario Monti | m | Italian Presidents and Prime Ministers | |
| Frank Montieth | m | Olympic Medalists | |
| Montjoy | m | Shakespearian Characters | |
| Alastor "Mad-Eye" Moody | m | Harry Potter Characters | |
| Joe Moody | m | Notable Athletes | |
| Keith Moon | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Warren Moon | m | Hall-of-Famers | |
| Alan Moore | m | Notable Writers | |
| Alvin Moore | m | Olympic Medalists | |
| Alvy Moore | m | Notable Actors and Entertainers | |
| Bobby Moore | m | Notable Athletes | |
| Charles Moore Jr. | m | Olympic Medalists | |
| Dickie Moore | m | Hall-of-Famers, Notable Athletes | |
| G. E. Moore | m | Notable Philosophers and Thinkers | |
| Henry Moore | m | Notable Artists | |
| Johnny Moore | m | Rock and Roll Hall-of-Famers | |
| Lenny Moore | m | Hall-of-Famers | |
| Matt Moore | m | Notable Actors and Entertainers | |
| Mike Moore | m | New Zealand Prime Ministers | |
| R. Stevie Moore | m | Notable Musicians | |
| Roger Moore | m | Notable Actors and Entertainers | |
| Sam Moore | m | Rock and Roll Hall-of-Famers | |
| Sonny "Skrillex" Moore | m | Notable Musicians | |
| Stanford Moore | m | Nobel Prize Winners | |
| Wayne Moore | m | Olympic Medalists | |
| William Moore | m | Olympic Medalists | |
| Adrian Moorhouse | m | Olympic Medalists | |
| Jędrzej Moraczewski | m | Polish Presidents and Prime Ministers | |
| Aristeidis Moraitinis | m | Greek Prime Ministers | |
| Salvatore Morale | m | Olympic Medalists | |
| Fernando Morales | m | Fictional Characters from Television | |
| Juan Morales | m | Olympic Medalists | |
| Paddy Moran | m | Hall-of-Famers | |
| Rick Moranis | m | Notable Actors and Entertainers | |
| Vangelis Moras | m | Notable Athletes | |
| Felipe Ripoll Morata | m | Saints | |
| Alberto Moravia | m | Notable Writers | |
| Ludovico Morbioli | m | Saints | |
| Noureddine Morceli | m | Olympic Medalists | |
| Mordecai | m | Biblical Characters | |
| Mordred | m | Arthurian Characters | |
| Thomas More | m | Notable Philosophers and Thinkers, Saints | |
| André-Louis Moreau | m | Fictional Characters from Books | |
| Louis-Zéphirin Moreau | m | Saints | |
| Delfim Moreira | m | Brazilian Presidents | |
| Paul Morel | m | Fictional Characters from Books | |
| Ezequiél Moreno y Díaz | m | Saints | |
| Howie Morenz | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Ben Morgan | m | Notable Athletes | |
| Dexter Morgan | m | Fictional Characters from Books, Fictional Characters from Television | |
| Harry Morgan | m | Fictional Characters from Books | |
| Harry Morgan | m | Fictional Characters from Books, Fictional Characters from Television | |
| Joe Morgan | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Johnny Morgan | m | Fictional Characters from Television | |
| Piers Morgan | m | Notable Actors and Entertainers, Notable Journalists | |
| Thomas Hunt Morgan | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Morges | m | Characters in Greek Mythology | |
| James Moriarty | m | Fictional Characters from Books | |
| En'yu | m | Japanese Emperors | |
| Moritz of Liechtenstein | m | Other Royalty | |
| Albie Morkel | m | Notable Athletes | |
| Aldo Moro | m | Italian Presidents and Prime Ministers | |
| Morpheus | m | Characters in Greek Mythology | |
| Paul Morphy | m | Notable Athletes | |
| Earl Morrall | m | Most Valuable Players | |
| Ennio Morricone | m | Notable Musicians | |
| Archie Morris | m | Fictional Characters from Television | |
| Bud Morris | m | Fictional Characters from Television | |
| Darryl Morris | m | Fictional Characters from Television | |
| Jack Morris | m | Hall-of-Famers, Notable Athletes | |
| Quincey Morris | m | Fictional Characters from Books | |
| Ron Morris | m | Olympic Medalists | |
| William Morris | m | Notable Artists | |
| Wolfe Morris | m | Notable Actors and Entertainers | |
| Zack Morris | m | Fictional Characters from Television | |
| Jim Morrison | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Scott Morrison | m | Australian Prime Ministers | |
| Van Morrison | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Victor Morrison | m | Fictional Characters from Television | |
| Bobby Morrow | m | Olympic Medalists | |
| Rob Morrow | m | Notable Actors and Entertainers | |
| Endeavour Morse | m | Fictional Characters from Books, Fictional Characters from Television | |
| Robert Morse | m | Notable Actors and Entertainers | |
| Edmund Mortimer | m | Shakespearian Characters | |
| Sir Hugh Mortimer | m | Shakespearian Characters | |
| Sir John Mortimer | m | Shakespearian Characters | |
| Morton | m | Shakespearian Characters | |
| Chet Morton | m | Fictional Characters from Books | |
| Euan Morton | m | Notable Actors and Entertainers | |
| Joe Morton | m | Notable Actors and Entertainers | |
| John Morton | m | Shakespearian Characters | |
| Morus | m | Characters in Greek Mythology | |
| Morys | m | Characters in Greek Mythology | |
| Morys | m | Characters in Greek Mythology | |
| Ted Mosby | m | Fictional Characters from Television | |
| Giuseppe Moscati | m | Saints | |
| Mark Moseley | m | Most Valuable Players | |
| Moses | m | Biblical Characters | |
| Moses | m | Fictional Characters from Song Titles | |
| Ed Moses | m | Olympic Medalists | |
| Edwin Moses | m | Notable Athletes, Olympic Medalists | |
| Levan Moseshvili | m | Olympic Medalists | |
| Bill Mosienko | m | Hall-of-Famers | |
| Briar Moss | m | Fictional Characters from Books | |
| Ronn Moss | m | Notable Actors and Entertainers | |
| Shad "Bow Wow" Moss | m | Notable Actors and Entertainers, Notable Musicians | |
| Stirling Moss | m | Notable Athletes | |
| Rudolf Mössbauer | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Cordell Mosson | m | Rock and Roll Hall-of-Famers | |
| Augustin Mot | m | Saints | |
| Moth | m | Shakespearian Characters | |
| Moth | m | Shakespearian Characters | |
| Marion Motley | m | Hall-of-Famers | |
| John Mott | m | Nobel Prize Winners | |
| Nevill Francis Mott | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Ben Roy Mottelson | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Wendell Mottley | m | Olympic Medalists | |
| Ralph Mouldy | m | Shakespearian Characters | |
| Fay Moulton | m | Olympic Medalists | |
| Alonzo Mourning | m | Hall-of-Famers, Notable Athletes, Olympic Medalists | |
| Mickey Mouse | m | Fictional Characters from Movies | |
| Farley Mowat | m | Notable Activists and Revolutionaries, Notable Writers | |
| Lord Thomas Mowbray | m | Shakespearian Characters | |
| Thomas Mowbray | m | Shakespearian Characters | |
| Roberto Moya | m | Olympic Medalists | |
| Moza | m | Biblical Characters | |
| Moza | m | Biblical Characters | |
| Leopold Mozart | m | Notable Musicians | |
| Wolfgang Amadeus Mozart | m | Notable Musicians | |
| Giorgi Mshvenieradze | m | Olympic Medalists | |
| Petre Mshvenieradze | m | Olympic Medalists | |
| Mstislav I the Great | m | Russian Grand Dukes and Tsars | |
| Mstislav II | m | Russian Grand Dukes and Tsars | |
| Muawiyah I | m | Islamic Caliphs | |
| Muawiyah II ibn Yazid | m | Islamic Caliphs | |
| Mubarak Shah | m | Indian Sultans and Emperors | |
| Alfons Mucha | m | Notable Artists | |
| Mufasa | m | Fictional Characters from Movies | |
| Mug Corb | m | Characters in Celtic Mythology, Irish Kings | |
| Abu l-Walid Muhammad ibn Ahmad ibn Rushd | m | Notable Philosophers and Thinkers | |
| Muhammad | m | Notable Military Figures, Notable Philosophers and Thinkers | |
| Muhammad Shah | m | Indian Sultans and Emperors | |
| Muhammad bin Tughluq | m | Indian Sultans and Emperors | |
| Muhammad Adil Shah | m | Indian Sultans and Emperors | |
| Muhammad Azam Shah | m | Indian Sultans and Emperors | |
| Muhammad Shah | m | Indian Sultans and Emperors | |
| Muhammad al-Mahdi | m | Islamic Caliphs | |
| Muhammad al-Amin | m | Islamic Caliphs | |
| Muhammad al-Qahir | m | Islamic Caliphs | |