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- Ambrose Dudley Mann (1801–1889), Commissioner of the Confederate States of America for Belgium and the Vatican
- Gaston Maspero (1846–1916), Egyptologist
- Guy de Maupassant (1850–1893), author
- Rosita Mauri (1849–1923), principal ballerina at the Paris Opera
- Claude Mauriac (1914–1996), author
- René Mayer (1895–1972), former Prime Minister of France
- Catulle Mendès (1841–1909), poet, man of letters
- Adah Isaacs Menken (1835–1868), actress, poet
- André Meyer (1898–1979), French/American financier
- Mireille (1906–1996), singer, composer
- Maria Montez (1912–1951), actress
- Vincent de Moro-Giafferi (1878–1956), lawyer and statesman
- Jean Mounet-Sully (1841–1916), actor
Read more about this topic: Montparnasse Cemetery