- Massimo Izzizzari -- Massimo Morante
- Massimo Moriconi -- Massimo Proietti
- Massimo Proietti Orchestra -- Massimo Scattolin
- Massimo Schena -- Massimo Zemolin
- MassimoMilianO -- Massive 4
- Massive aka Massdog -- Massive Inc.
- Massive Internal Complications -- Massivedrum
- Massivemen -- Massona
- Massonix -- Massy-Magnenat-Tiberghien
- Massyah -- Masta Killer
- Masta Kriminal -- Mastamindz
- MastaMyn -- Master Ace
- Master Adithya -- Master Boogie Song and Dance
- Master Bro -- Master Cronic
- Master Cuts -- Master Don Committee
- Master Drummers of Burundi -- Master Fuol
- Master G -- Master Jay
- Master Ji -- Master Luc
- Master Luke -- Master Musicians of Bukkake
- Master Musicians of Jajouka -- Master Pain
- Master Paris -- Master Rob
- Master Saleem -- Master Show De Durango
- Master Singers -- Master Tunez
- Master Twiggy -- Masterbuilders
- Mastercastle -- Mastering God's Word