- Macklemore
- Mad Season
- Madball
- Madsen
- Manufacture
- Marcus Wiebusch
- Mareux
- Marilyn Manson
- Marlon Williams
- Marsimoto
- Marteria
- Marty Robbins
- Massive Attack
- Max Cruise
- Mayer Hawthorne
- Mazzy Star
- MC1R
- Megaherz
- Meredith Brooks
- Meshuggah
- Metallica
- Meth Meth
- MewithoutYou
- Michael Oakley
- Midnight Oil
- Mike + The Mechanics
- Ministry
- Mint Royale
- Misfits
- Mitch Burger and The Fries
- Moby
- Moev
- Monster Magnet
- Monty Python
- Moop Mama
- Morcheeba
- Mother Love Bone
- Mr Little Jeans
- Mr. Bungle
- Mudvayne
- Muff Potter
- Mussolini Headkick
- mxmtoon
- My Life With the Thrill Kill Kult