| Doug MacLeod | Australian writer | 1959 |
| Gavin MacLeod | American actor | 1931–2021 |
| Ken MacLeod | Scottish science fiction writ… | 1954 |
| Arthur MacManus | British trade unionist | 1889–1927 |
| Harold Macmillan | British politician | 1894–1986 |
| Hugh Macmillan, Baron Macmillan | British judge | 1873–1952 |
| Margaret MacMillan | Canadian historian | 1943 |
| Edward Macnaghten, Baron Macnaghten | Anglo-Irish rower, barrister,… | 1830–1913 |
| Louis MacNeice | poet | 1907–1963 |
| Jeff MacNelly | American cartoonist | 1947–2000 |
| Debbie Macomber | American writer | 1948 |
| James Macpherson | Scottish writer, poet, transl… | 1736–1796 |
| Ambrosius Theodosius Macrobius | 5th century European writer | 370–430 |
| Emmanuel Macron | 25th President of the French … | 1977 |
| Thomas Ignatius MacWan | | 1952 |
| Joanna Macy | American activist | 1929 |
| William H. Macy | American actor, screenwriter,… | 1950 |
| Hussain Ahmed Madani | 19th century Islamic scholar … | 1879–1957 |
| Samuel Madden | Irish writer | 1686–1765 |
| Rachel Maddow | American journalist | 1973 |
| Maddox | American internet writer | 1978 |
| John Maddox | Welsh chemist, physicist, jou… | 1925–2009 |
| R. Madhavan | Indian actor | 1970 |
| Balraj Madhok | Indian politician | 1920–2016 |
| Madhvacharya | Hindu philosopher who founded… | 1199–1278 |
| Holly Madison | American author, model, showg… | 1979 |
| James Madison | 4th president of the United S… | 1751–1836 |
| Madonna | American singer, songwriter, … | 1958 |
| Joni Madraiwiwi | Fijian politician | 1957–2016 |
| Joshua King Madrid | | 1998 |
| Michael Madsen | American actor | 1957 |
| Truman G. Madsen | American educator | 1926–2009 |
| Nicolás Maduro | 53rd President of Venezuela | 1962 |
| John Maeda | American artist and computer … | 1966 |
| Karl G. Maeser | prominent Utah educator and a… | 1828–1901 |
| Maurice Maeterlinck | Belgian playwright, poet, and… | 1862–1949 |
| Soane Patita Paini Mafi | Tongan Roman Catholic cardinal | 1961 |
| Mechthild of Magdeburg | German mystic | 1210–1282 |
| Bryan Magee | British politician | 1930–2019 |
| Jimmy Magee | Gaelic games commentatot | 1935–2017 |
| Ferdinand Magellan | Portuguese explorer | 1480–1521 |
| Francesco Maggiotto | Italian painter (1738-1805) | 1738–1805 |
| Vico Magistretti | Italian architect | 1920–2006 |
| Albertus Magnus | Dominican friar | 1206–1280 |
| Elias Lyman Magoon | American minister | 1810–1886 |
| Michelle Magorian | English children's writer | 1947 |
| Bruno Magras | French politician | 1951 |
| Claudio Magris | Italian scholar, translator a… | 1939 |
| René Magritte | Belgian surrealist artist | 1898–1967 |
| João Magueijo | Portuguese scientist | 1967 |
| Ernesto Maguengue | Mozambican bishop of the Cath… | 1964 |
| John Magufuli | Tanzanian politician | 1959 |
| Gregory Maguire | Novelist | 1954 |
| Tobey Maguire | actor from the United States | 1975 |
| Adeline Yen Mah | Author and physician | 1937 |
| John Pentland Mahaffy | Irish classicist and polymath… | 1839–1919 |
| Prasanta Chandra Mahalanobis | Indian scientist | 1893–1972 |
| C.J. Mahaney | American clergyman | 1953 |
| Chaitanya Mahaprabhu | Indian saint | 1486–1534 |
| Mahāprajña | Acharya or the Svetambar Tera… | 1920–2010 |
| Birju Maharaj | Indian dancer | 1938 |
| Hans Ji Maharaj | Indian guru | 1900–1966 |
| Jagadguru Kripaluji Maharaj | spiritual leader | 1922–2013 |
| Mac Maharaj | South African politician | 1935 |
| Nisargadatta Maharaj | Indian guru | 1897–1981 |
| Sakshi Maharaj | Indian politician | 1956 |
| Ramana Maharshi | Indian religious leader | 1879–1950 |
| Lahiri Mahasaya | Indian yogi and guru | 1828–1895 |
| Bill Maher | American stand-up comedian | 1956 |
| Katherine Maher | chief executive officer and e… | 1983 |
| Fadzayi Mahere | Zimbabwean lawyer and politic… | 1985 |
| Naguib Mahfouz | Egyptian writer | 1911–2006 |
| Ananda Mahidol | eighth monarch of Siam from t… | 1925–1946 |
| Gustav Mahler | late-Romantic Austrian compos… | 1860–1911 |
| Ismail Mahomed | South African judge | 1931–2000 |
| Derek Mahon | Poet | 1941 |
| Adurbad-i Mahrspandan | Iranian philosopher | |
| Margaret Mahy | New Zealand children's writer | 1936–2012 |
| Norman Mailer | American novelist, journalist… | 1923–2007 |
| Terese Marie Mailhot | First Nation Canadian writer,… | 1983 |
| Antonine Maillet | Canadian writer and scholar | 1929 |
| Aristide Maillol | sculptor from France | 1861–1944 |
| Maimónides | rabbi, physician, philosopher | 1138–1204 |
| Henry James Sumner Maine | British comparative jurist an… | 1822–1888 |
| Philipp Mainländer | German poet and philosopher | 1841–1876 |
| Eddie Mair | Scottish broadcaster | 1965 |
| Victor H. Mair | American sinologist and lingu… | 1943 |
| Eric Maisel | American writer | 1947 |
| Joseph De Maistre | Savoyard philosopher, writer,… | 1753–1821 |
| Lothar de Maizière | German politician | 1940 |
| Andrzej Majewski | Polish writer and photographer | 1966 |
| Jorge Majfud | Uruguayan-American writer | 1969 |
| John Major | Former Prime Minister of the … | 1943 |
| Moeketsi Majoro | Mosotho politician | 1961 |
| R. C. Majumdar | Indian historian | 1888–1980 |
| Geert Mak | Dutch journalist and a non-fi… | 1946 |
| Akshay Makadiya | an Entrepreneur and Founder o… | 1993 |
| Miriam Makeba | South African singer and civi… | 1932–2008 |
| Marjo-Riikka Makela | Finnish actress | 1977 |
| Charbel Makhlouf | Lebanese Maronite monk and sa… | 1828–1898 |
