All Artists in M
- Misfits
- Muse
- Metallica
- Movies - Star Wars
- Motley Crue
- MTV
- Mayday Parade
- Motorhead
- Mushroomhead
- Maroon 5
- MGMT
- The Mountain
- Morrissey
- Megadeth
- Madonna
- Ministry
- Michael Jackson
- Mastodon
- Memphis May Fire
- Minor Threat
- Marilyn Manson
- My Chemical Romance
- Mars Volta
- Miscellaneous Vendor
- Migos
- Moose Blood
- Metal Blade Records
- The Moody Blues
- MC5
- Mumford & Sons
- Me First and the Gimme Gimmes
- Miss May I
- Mott the Hoople
- Meat Puppets
- Mudvayne
- Miles Davis
- The Monkees