| James Max | British journalist | 1970 |
| Tucker Max | Internet personality; blogger… | 1975 |
| Fabius Maximus | politician and soldier | |
| Anna Maxted | British writer | 1969 |
| James Clerk Maxwell | Scottish physicist | 1831–1879 |
| John C. Maxwell | American author, speaker and … | 1947 |
| Neal A. Maxwell | Mormon leader | 1926–2004 |
| Robin Maxwell | American writer | 1948 |
| Brian May | English musician and astrophy… | 1947 |
| Elaine May | American screenwriter, film d… | 1932 |
| Elizabeth May | Canadian politician | 1954 |
| Julian May | American science fiction, fan… | 1931–2017 |
| Karl May | German writer | 1842–1912 |
| Robert L. May | American writer | 1905–1976 |
| Robert M. May | Australian scientist who has … | 1936 |
| Rollo May | US psychiatrist | 1909–1994 |
| Theresa May | Prime Minister of the United … | 1956 |
| Vladimir Mayakovsky | Russian and Soviet poet, play… | 1893–1930 |
| Rik Mayall | British comedian and actor | 1958–2014 |
| Alfred M. Mayer | American physicist | 1836–1897 |
| Jean Mayer | French-American scientist, un… | 1920–1993 |
| John Mayer | guitarist and singer/songwrit… | 1977 |
| Louis B. Mayer | American film producer | 1884–1957 |
| Marissa Mayer | American business executive a… | 1975 |
| Milton Mayer | American journalist | 1908–1986 |
| Oliver Mayer | Mexican American writer | |
| Robert Mayer | German physicist | 1814–1878 |
| Jamie Mayerfeld | American political scientist | |
| Frances Mayes | American university professor… | 1940 |
| Curtis Mayfield | American singer, songwriter, … | 1942–1999 |
| Peter Mayhew | British actor | 1944–2019 |
| Peter Mayle | British writer | 1939–2018 |
| Joyce Maynard | American writer | 1953 |
| William Mayne | English writer of children's … | 1928–2010 |
| Charles Horace Mayo | American physician | 1865–1939 |
| DeBarra Mayo | American martial artist | 1953 |
| Deborah Mayo | American philosopher | |
| Elton Mayo | Australian academic | 1880–1949 |
| Isabella Fyvie Mayo | Scottish poet, novelist, refo… | 1843–1914 |
| William James Mayo | American surgeon | 1861–1939 |
| Ernst Mayr | German-American Evolutionary … | 1904–2005 |
| Willie Mays | Baseball player | 1931 |
| Henry Mazer | American conductor | 1918–2002 |
| Norma Fox Mazer | American children's writer | 1931–2009 |
| Tadeusz Mazowiecki | Polish politician and prime m… | 1927–2013 |
| Barry Mazur | American mathematician | 1937 |
| Eric Mazur | Dutch physicist | 1954 |
| Giuseppe Mazzini | Italian patriot, politician a… | 1805–1872 |
| David Mazzucchelli | Artist | 1960 |
| Khanyi Mbau | South African television & ra… | 1985 |
| Thabo Mbeki | South African politician, Pre… | 1942 |
| Achille Mbembe | Cameroonian political scienti… | 1957 |
| Smaragde Mbonyintege | Rwandan Catholic bishop (born… | 1947 |
| Imbolo Mbue | Cameroonian writer | 1982 |
| Louis Portella Mbuyu | Congolese catholic bishop | 1942 |
| Rachel McAdams | Canadian actress | 1978 |
| John McAfee | American computer programmer … | 1945 |
| Ward McAllister | | |
| Paul J. McAuley | British writer | 1955 |
| Anthony McAuliffe | American general | 1898–1975 |
| Callan McAuliffe | actor | 1995 |
| Christa McAuliffe | American educator and astrona… | 1948–1986 |
| Terry McAuliffe | American businessman and poli… | 1957 |
| Ian McBryde | Australian poet | 1953 |
| Joseph McCabe | British writer | 1867–1955 |
| Megan McCafferty | American novelist | 1973 |
| Anne McCaffrey | American-Irish novelist | 1926–2011 |
| Barry McCaffrey | United States Army general | 1942 |
| John McCain | politician from the United St… | 1936–2018 |
| Meghan McCain | Daughter of United States Sen… | 1984 |
| Tom McCall | | |
| Daniel McCallum | Canadian engineer and early o… | 1815–1878 |
| Robert McCammon | American novelist | 1952 |
| Christopher McCandless | American hiker and explorer | 1968–1992 |
| Colum McCann | Irish writer and journalist | 1965 |
| Cormac McCarthy | American novelist, playwright… | 1933 |
| Eugene McCarthy | American politician | 1916–2005 |
| Jenny McCarthy | American model, comedian, act… | 1972 |
| John McCarthy | American computer scientist a… | 1927–2011 |
| Joseph McCarthy | Wisconsin politician | 1908–1957 |
| Kerry McCarthy | British politician | 1965 |
| Mary McCarthy | American writer | 1912–1989 |
| Pete McCarthy | British travel writer | 1951–2004 |
| Linda McCartney | American photographer | 1941–1998 |
| Paul McCartney | English singer-songwriter and… | 1942 |
| Stella McCartney | British fashion designer | 1971 |
| Geraldine McCaughrean | British children's writer | 1951 |
| Stanley A. McChrystal | American general | 1954 |
| Susan McClary | American musicologist | 1946 |
| Scott McClellan | Former White House press secr… | 1968 |
| David C. McClelland | American psychological theori… | 1917–1998 |
| Barbara McClintock | American scientist and cytoge… | 1902–1992 |
| Robert McCloskey | children's book author and il… | 1914–2003 |
| Scott McCloud | American cartoonist | 1960 |
| Wendy McClure | American writer | 1971 |
| Matthew McConaughey | American actor | 1969 |
| Bruce R. McConkie | American Mormon leader | 1915–1985 |
| Mitch McConnell | US Senator from Kentucky, Sen… | 1942 |
| David McCord | American writer | 1897–1997 |
| Mike McCormack | Irish novelist and writer | 1965 |
