- Masters of Ceremony -- Masters of the Underground
- Masters of the Universe -- Mastic
- Mastic Scum -- Mastroianni
- Mastroianni-Maricle Quartet -- Masuo
- Masuran -- Mat DenDuijf
- Mat Devine -- Mat Maneri Quintet
- Mat Maneri Trio -- Mat Playford
- Mat S. -- Mata la Bacha
- Mata Machete -- Matai and Tihoti
- Mataji -- Matanza
- Matapat -- M.A.T.C.H.
- Match By Match -- Matchpoint
- Matchstick -- Mate