- Mormon Tabernacle Choir
- Morne
- Morning Glory
- Morning Musume
- Morning Parade
- Morning Runner
- Morning Star
- Morning Teleportation
- Morningsick
- Morningstar
- Morningwood
- Morodo
- Moros Eros
- Morphine
- Morphine Suffering
- Morris Albert
- Morris Chapman
- Morris Chapman And Claire Cloninger
- Morrissey
- Morrongnget
- Mors Principium Est
- Morsa Payaso
- Morse
- Mort Shuman
- Morta Skuld
- Mortadela Rancia
- Mortal
- Mortal Decay
- Mortal Desicion
- Mortal Love
- Mortal Plague
- Mortal Sin
- Mortal Treason
- Mortemnonsuperbire
- Morten Abel
- Morten Harket
- Morteza Pashaei
- Morti
- Mortician
- Mortifera
- Mortification
- Mortiis
- Morton
- Mortuary Drape
- Morty
- Moruvumi
- Mos Def
- Mosaic Music
- Moses Campbell
- Moses Chun