- Mary Alessi & Friends -- Mary Crowell
- Mary Crystal Wood -- Mary Jane
- Mary-Jane -- Mary Mary
- Mary Marzo -- Mary Sue
- Mary Sue Barry -- Maryrose Crook
- Mary's Band -- Masami
- Masami -- Mashismo
- Mashkoor Ali Khan -- Mass
- Mass -- Massimo Costa
- Massimo d'Avola -- Master Aditya
- Master Ahmad Ebadi -- Mastermind
- Mastermind Chaz -- Mat Young
- Mat Zo -- Mateus Brunette
- Mateus e Cristiano -- Mathieu Provencal
- Mathieu Ruben -- Matricide
- MatricK -- Matt Balzan
- Matt Bar -- Matt Delphin
- Matt Denham -- Matt Hughes
- Matt Humphreys -- Matt Marvuglio
- Matt Masih -- Matt Richard
- Matt Richards -- Matt Vaughan
- Matt Vega -- Matthew and the Birds