- M. C. Escher
- M. C. Richards
- M. H. Alderson
- M. Russell Ballard
- M. Scott Peck
- M. Shawn Cole
- Macrina Wiederkehr
- Madeleine de Scudery
- Madeleine L'Engle
- Madonna
- Mae West
- Mae West *
- Mahatma Gandhi
- Mahmoud Darwish
- Maimonides
- Malala Yousafzai
- Malcolm de Chazal
- Malcolm Forbes
- Malcolm Hein
- Malcolm Muggeridge
- Malcolm X
- Mandy Hale
- Manly P. Hall
- Manuel Diotte
- Mao Zedong
- Marc Andreessen
- Marc Chagall
- Marc-Andre Poissant
- Marcel Achard
- Marcel Pagnol
- Marcel Pagnol *
- Marcel Proust
- Marcelene Cox
- Marco Antonio de Dominis
- Marcus Aurelius
- Marcus Bach
- Marcus Garvey
- Margaret Atwood
- Margaret Bourke-White
- Margaret Cho
- Margaret Drabble
- Margaret Elizabeth Sangster
- Margaret Fuller
- Margaret Halsey
- Margaret Lane
- Margaret Lee Runbeck
- Margaret Mead
- Margaret Millar
- Margaret Mitchell
- Margaret Thatcher