- M. Emmet Walsh
- M. Night Shyamalan
- M.C. Gainey
- Maaya Sakamoto
- Mabel Normand
- Mabel Rivera
- Mabrouk El Mechri
- Macarena Gómez
- Macaulay Culkin
- Macdonald Carey
- Macedo Neto
- Macha Méril
- Machadinho
- Machado de Assis
- Machiko Kyô
- Machine Gun Kelly
- MacIntyre Dixon
- Mack Sennett
- Mack Swain
- Mackenzie Astin
- Mackenzie Crook
- Mackenzie Davis
- Mackenzie Foy
- Mackenzie Gray
- Macy Gray
- Madalina Diana Ghenea
- Madalyn Horcher
- Mädchen Amick
- Maddie Corman
- Madeleine Carroll
- Madeleine LeBeau
- Madeleine Potter
- Madeleine Sami
- Madeleine Sherwood
- Madeleine Stowe
- Madeline Carroll
- Madeline Kahn
- Madge Blake
- Madge Sinclair
- Madhavan
- Madhubala
- Madhuri Dixit
- Madison Davenport
- Madison Iseman
- Madison Riley
- Madolyn Smith Osborne
- Madonna
- Mads Mikkelsen
- Mae Marsh
- Mae Questel
- Mae West
- Maeve Jinkings
- Maeve Quinlan
- Magali Noël
- Magaly Solier
- Magda Schneider
- Magda Szubanski
- Magdalena Montezuma
- Maggie Cheung
- Maggie Grace
- Maggie Gyllenhaal
- Maggie McNamara
- Maggie Q
- Maggie Siu
- Maggie Smith
- Maggie Wheeler
- Mahamat-Saleh Haroun
- Mahershala Ali
- Maia Morgenstern
- Maidie Norman
- Maika Monroe
- Maisie Williams
- Maitê Proença
- Maïwenn
- Majel Barrett
- Majid Majidi
- Makenzie Vega
- Makiko Esumi
- Makiko Watanabe
- Mako
- Mako Midori
- Makoto Shinkai
- Makram Khoury
- Maksim Munzuk
- Malcolm D. Lee
- Malcolm McDowell
- Malcolm Tierney
- Malick Bowens
- Malik Bendjelloul
- Malik Yoba
- Malin Akerman
- Malinda Williams
- Malisa Longo
- Malu Mader
- Malu Valle
- Malvin Wald
- Malvino Salvador
- Mamie Gummer
- Mamoru Miyano
- Mamoru Oshii
- Man Ray
- Man-sik Jeong
- Man-Tat Ng
- Mandy Moore
- Mandy Patinkin
- Manfredo Colassanti
- Manish Dayal
- Manny Perry
- Mano Menezes
- Manoel de Oliveira
- Manoel Loreno "Seu Manoelzinho"
- Manoel Vieira
- Mansaku Fuwa
- Manu Bennett
- Manu Tupou
- Manuel Garcia-Rulfo
- Manuela de Freitas
- Mao Inoue
- Mara Wilson
- Maracy Mello