- Mazizo Musical -- Mäbu
- Mbu Gabps -- MC Chubluv
- MC Chuky -- M.C. Frosty
- MC Funk Rock -- Mc Koringa
- MC Krazy B -- MC Panik
- MC Papote -- M.C. Shaky
- MC Shan -- MC Venom
- MC Verb -- McCluskey Bros.
- McCo -- M.C.J.
- MCJ -- MCPanik
- McPartland -- MDR Chor, Leipzig
- MDR Symphony Orchestra -- Meadowbrook Chorale & Brass Ensemble
- Meadowhead -- Meat Puppets
- Meat Raffle -- Mechantes!
- Mechas -- Medianoche
- Medias Res -- Medium Wave Band
- Mediums -- Meep
- Meera -- Mega Mania
- Mega Mann -- Megan Johnson
- Megan Keely -- Meghan Bode
- Meghan Carr -- Mehuli Thakur
- Mehuman Jonson -- Mejía Avante
- Mejn -- Mel Davis
- Mel Dorsey -- Mel White
- Mel Wiggins -- Melanie Jayne Chisholm
- Melanie Johnson -- Melchior Vulpius