| Thomas Mann | German novelist, and 1929 Nob… | 1875–1955 |
| David Manners | Canadian-born American actor | 1900–1998 |
| Edwin Manners | American lawyer | 1855–1913 |
| Karl Mannheim | Hungarian sociologist | 1893–1947 |
| Brennan Manning | writer, American Roman Cathol… | 1934–2013 |
| Chelsea Manning | United States Army soldier an… | 1987 |
| Ernest Manning | Canadian politician | 1908–1996 |
| Henry Edward Manning | English Roman Catholic archbi… | 1808–1892 |
| Lauren Manning | American banker | 1961 |
| Peyton Manning | American football quarterback | 1976 |
| Preston Manning | Canadian politician | 1942 |
| Sarra Manning | British writer | 1950 |
| Taryn Manning | American actor, musician and … | 1978 |
| Daniel P. Mannix | animal collector and author | 1911–1997 |
| Robert Mannyng | English chronicler | 1275–1338 |
| Alexia Manombe-Ncube | Namibian politician | 1964 |
| Jorge Manrique | Spanish poet | 1440–1479 |
| Adam Mansbach | author | 1976 |
| Jill Mansell | British author | 1957 |
| Harvey Mansfield | Author, professor | 1932 |
| Jayne Mansfield | American actress, singer, mod… | 1933–1967 |
| Katherine Mansfield | New Zealand author | 1888–1923 |
| William Murray, 1st Earl of Mansfield | British judge | 1705–1793 |
| Charles Manson | American criminal and musician | 1934–2017 |
| James Bolivar Manson | British artist | 1879–1945 |
| Marilyn Manson | American rock musician and ac… | 1969 |
| Mark Manson | American writer and blogger | 1984 |
| Shirley Manson | Scottish singer and artist | 1966 |
| Hamza Mansoor | | |
| Gregory John Mansour | Catholic bishop | 1955 |
| Erich von Manstein | German general | 1887–1973 |
| Guido Mantega | Brazilian economist | 1949 |
| Hilary Mantel | British writer | 1952 |
| Gideon Mantell | British scientist and obstetr… | 1790–1852 |
| Mickey Mantle | Professional baseball player | 1931–1995 |
| Niccolao Manucci | Italian writer and historian | 1638–1717 |
| Manuchehri | Persian poet | 1000–1040 |
| Aram Manukian | Armenian revolutionary, polit… | 1879–1919 |
| Alessandro Manzoni | Italian poet and novelist | 1785–1873 |
| Piero Manzoni | Italian artist | 1933–1963 |
| Sally Wen Mao | Chinese-born American poet | |
| Fang Mao-hung | | 1963 |
| Jack Mapanje | Malawian poet | 1944 |
| Sarah Maple | British artist | 1985 |
| Kamisese Mara | President of Fiji | 1920–2004 |
| Kate Mara | American actress | 1983 |
| Steve Maraboli | | 1975 |
| Lee Maracle | Canadian writer | 1950 |
| Diego Maradona | Argentine association footbal… | 1960 |
| David Maraga | | 1951 |
| Joan Maragall | Spanish writer | 1860–1911 |
| Josie Maran | American model and actress | 1978 |
| James Marape | Papua New Guinea politician | 1971 |
| Jean-Paul Marat | politician and journalist dur… | 1743–1793 |
| Patrick Marber | English comedian, actor and s… | 1964 |
| Franz Marc | German painter | 1880–1916 |
| Marcel Marceau | French mime and actor | 1923–2007 |
| Gabriel Marcel | French philosopher, playwrigh… | 1889–1973 |
| James G. March | American sociologist | 1928–2018 |
| William March | United States Marine, novelis… | 1893–1954 |
| Marcello Marchesi | Italian actor and director | 1912–1978 |
| Melina Marchetta | Australian teen writer | 1965 |
| Francesca Marciano | Italian actor, film director,… | 1955 |
| Paul Marciano | American fashion designer | 1952 |
| Rocky Marciano | American boxer | 1923–1969 |
| Barbara Marciniak | | 1928–2012 |
| Kazimierz Marcinkiewicz | Polish politician | 1959 |
| Richard Marcinko | Navy SEAL, Author | 1940 |
| Guglielmo Marconi | Italian inventor and radio pi… | 1874–1937 |
| Ferdinand Marcos | former President of the Phili… | 1917–1989 |
| Imelda Marcos | Former First Lady of the Phil… | 1929 |
| Subcomandante Marcos | Mexican activist | 1957 |
| Ben Marcus | American writer | 1967 |
| Greil Marcus | American historian | 1945 |
| Stanley Marcus | American businessman | 1905–2002 |
| Herbert Marcuse | German philosopher, sociologi… | 1898–1979 |
| Orison Swett Marden | American writer | 1850–1924 |
| Walter de la Mare | English poet and fiction writ… | 1873–1956 |
| Kenneth Marende | Kenyan politician | 1956 |
| Lynn Margulis | American evolutionary biologi… | 1938–2011 |
| Kristen Marhaver | American marine biologist | |
| Silvana De Mari | Italian children's writer | 1953 |
| Ubaldo Mari | | |
| Mengistu Haile Mariam | Former dictator of Ethiopia | 1937 |
| Javier Marías | Spanish writer | 1951 |
| Constance Marie | actress | 1965 |
| Sahara Marie | American plus-size model | 1985 |
| Juliet Marillier | New Zealand fiction writer | 1948 |
| Cheech Marin | American comedian, actor and … | 1946 |
| Sanna Marin | Finnish politician and the 46… | 1985 |
| Luis Muñoz Marín | American politician | 1898–1980 |
| Filippo Tommaso Marinetti | Italian poet and editor, foun… | 1876–1944 |
| Marino Marini | Italian sculptor | 1901–1980 |
| Jean-Luc Marion | French philosopher | 1946 |
| Jacob Maris | Dutch painter | 1837–1899 |
| Matthijs Maris | Dutch painter | 1839–1917 |
| Willem Maris | Dutch landscape painter of th… | 1844–1910 |
| Jacques Maritain | French philosopher | 1882–1973 |
| Beryl Markham | British writer, aviator, adve… | 1902–1986 |
| Edwin Markham | American poet | 1852–1940 |
