- Masterforce -- Mastermind
- Mastermind Chaz -- Masters
- Masters' Apprentices -- Masters of Bass
- Masters of Ceremony -- Masters of Persian Music
- Masters of Rave -- Mastersgate
- Masterstepz -- Masthaz Of Phunk
- Masti -- Masto & Cain
- Mastodon -- 益田幹夫
- 増田俊郎 -- Masumo Asano
- masunday -- Mat Bahr
- Mat Brooke -- Mat Ducasse
- Mat Edwards -- Mat Lombardi
- Mat Maneri Quartet -- Mat Matthews
- Mat McHugh -- Mat Sinner
- Mat the Alien -- Mata Amritanandamayi
- Mata Faccani -- Matadors
- Matadors -- Matally
- Matalon, Louis -- Matanya
- Matanza -- Matata Rae
- Matato'a -- Matchbook Romance
- Matchbox -- Matchless Love Gospel Singers
- Matchmate -- Mate Brusic
- Mate Cosido -- Matej Ptaszek
- Matej Sarc -- Mateo Daneli
- Mateo Denali -- Mateo Mo Xal