- Mitchel Musso
- Mitchell Joni
- Miusha
- Miwa
- Miyavi
- Mnaga A Zdorp
- Mnemic
- Mo' Horizons
- Mob Rules
- Mobb Deep
- Moby
- Modern English
- Modern Talking
- Modest Mouse
- Modestep
- Modjo
- Moffatts
- Mogwai
- Mohombi
- Moi Dix Mois
- Molecul
- Molly Hatchet
- Moloko
- Molotov
- Molotov Solution
- Monarchy
- Moneen
- Monica
- Monica Naranjo
- Monifah
- Monkees
- Mono
- Mono Inc.
- MONORAL
- Monrose
- Monster Magnet
- Montefiori Cocktail
- Montell Jordan
- Montgomery Gentry
- Monty Python
- Moody Blues
- Moonbeam
- Moonblood
- Moonlight
- Moonsorrow
- Moonspell
- Moony
- Morandi
- Moray Eel
- Morbid Angel