| Joel Mokyr | Israeli American economic his… | 1946 |
| Jacques de Molay | Grand Master of the Knights T… | 1243–1314 |
| Molière | French playwright and actor | 1622–1673 |
| Gustave de Molinari | Belgian political economist a… | 1819–1912 |
| Brian Molko | musician | 1972 |
| José Luis Mollaghan | Argentinian archbishop | 1946 |
| Bill Mollison | Australian permaculturist | 1928–2016 |
| Ingo Molnar | Linux kernel programmer | |
| Marc Forné Molné | Andorran politician | 1946 |
| James Moloney | Australian children's author | 1954 |
| Vyacheslav Molotov | Soviet politician and diplomat | 1890–1986 |
| Jürgen Moltmann | German Reformed theologian | 1926 |
| Stefan Molyneux | libertarian philosopher, writ… | 1966 |
| Francesco Maria Molza | Italian poet | 1489–1544 |
| N. Scott Momaday | American author | 1934 |
| Momin Khan Momin | Indian writer | 1801–1852 |
| Theodor Mommsen | German classical scholar, his… | 1817–1903 |
| Jason Momoa | American actor and model | 1979 |
| Tevita Momoedonu | Prime Minister of Fiji | 1946 |
| Kaori Momoi | Japanese actress | 1952 |
| Rainier III, Prince of Monaco | Prince of Monaco | 1923–2005 |
| George Monbiot | English writer and political … | 1963 |
| James Burnett, Lord Monboddo | Scottish judge, scholar of la… | 1714–1799 |
| Henri-Louis Duhamel du Monceau | French naval engineer, botani… | 1700–1782 |
| Christopher Monckton | British public speaker and he… | 1952 |
| Walter Mondale | 42nd Vice President of the Un… | 1928–2021 |
| Piet Mondrian | Peintre Néerlandais | 1872–1944 |
| Claude Monet | French impressionist painter | 1840–1926 |
| Daniella Monet | American actress, singer and … | 1989 |
| Ernesto Teodoro Moneta | Italian journalist, nationali… | 1833–1918 |
| Paul Monette | American writer | 1945–1995 |
| Sarah Monette | American novelist and short s… | 1974 |
| John Money | psychologist, sexologist and … | 1921–2006 |
| Jane Monheit | American singer | 1977 |
| Monier Monier-Williams | Linguist and dictionary compi… | 1819–1899 |
| Karen Marie Moning | author | 1964 |
| Sophie Monk | Australian actor and singer | 1979 |
| Thelonious Monk | American jazz pianist and com… | 1917–1982 |
| Bob Monkhouse | English entertainer | 1928–2003 |
| Geoffrey of Monmouth | Welsh cleric and historiograp… | |
| Jean Monnet | French political economist re… | 1888–1979 |
| Walter Thomas Monnington | British artist | 1902–1976 |
| Jacques Monod | French biologist | 1910–1976 |
| Charles Monro | | |
| Harold Monro | British poet | 1879–1932 |
| Bill Monroe | American bluegrass musician | 1911–1996 |
| Harriet Monroe | American poet and editor | 1860–1936 |
| Jack Monroe | British writer, journalist an… | 1988 |
| James Monroe | American politician, 5th Pres… | 1758–1831 |
| Lucy Monroe | | 1967 |
| Marilyn Monroe | American actress, model, and … | 1926–1962 |
| Mary Monroe | American writer | 1951 |
| Mary Alice Monroe | American writer | 1960 |
| Marylin Monroe | | |
| Robert Monroe | American founder of The Monro… | 1915–1995 |
| Shaun Monson | American filmmaker | |
| Thomas S. Monson | president of the Church of Je… | 1927–2018 |
| Ashley Montagu | British-American anthropologi… | 1905–1999 |
| Mary Wortley Montagu | writer and poet from England | 1689–1762 |
| Michel De Montaigne | (1533-1592) French-Occitan au… | 1533–1592 |
| Tony Montana | | |
| Indro Montanelli | Italian journalist | 1909–2001 |
| Sophia Montecarlo | Filipino musician | 1986 |
| Hugh Montefiore | British bishop | 1920–2005 |
| Francesco Monterisi | Italian cardinal | 1934 |
| Jesús Sanz Montes | Spanish archbishop | 1955 |
| Montesquieu | French social commentator and… | 1689–1755 |
| Maria Montessori | Italian pedagogue, philosophe… | 1870–1952 |
| Pierre Monteux | French conductor | 1875–1964 |
| Deane Montgomery | American mathematician | 1909–1992 |
| James Montgomery | British editor, hymn writer, … | 1771–1854 |
| Jeffrey Montgomery | American LGBT rights activist… | 1953–2016 |
| Lauren Montgomery | artist | 1980 |
| Lucy Maud Montgomery | Canadian fiction writer | 1874–1942 |
| Richard Montgomery | | |
| Scott L. Montgomery | American geologist and writer | 1951 |
| Henry De Montherlant | French writer | 1895–1972 |
| Paolo Monti | Italian photographer | 1908–1982 |
| Andrés Montoya | American writer | 1968–1999 |
| José Montoya | American artist | 1932–2013 |
| Malaquías Montoya | American artist | 1938 |
| Richard Montoya | actor | 1959 |
| Casimir, Comte de Montrond | French diplomat | 1768–1843 |
| James Graham, 1st Marquess of Montrose | Scottish nobleman, poet and s… | 1612–1650 |
| Amantle Montsho | Motswana sprinter | 1983 |
| Jean-Étienne Montucla | French mathematician | 1725–1799 |
| Ayuel Monykuch | South Sudanese Entrepreneur | 1997 |
| Susanna Moodie | Canadian writer | 1803–1885 |
| Ben Moody | American musician | 1981 |
| Dwight L. Moody | American evangelist and publi… | 1837–1899 |
| Raymond Moody | American psychologist | 1944 |
| William Vaughn Moody | United States dramatist and p… | 1869–1910 |
| Zenas Ferry Moody | American politician | 1832–1917 |
| Calvin Mooers | American computer scientist | 1919–1994 |
| Dr. Moog | electronic music pioneer and … | 1934–2005 |
| Roh Moo-hyun | 9th President of the Republic… | 1946–2009 |
| Mooji | Jamaican spiritual teacher | 1954 |
| Syama Prasad Mookerjee | Indian politician | 1901–1953 |
| Elizabeth Moon | American writer | 1945 |
| Sun Myung Moon | Korean religious leader | 1920–2012 |