- M. West
- M8
- Mac Abbé et le Zombi Orchestra
- Mac Curtis
- Mack Self
- Mack Stevens
- Mack Stevens' Los Paganos Del Ritmo
- Macke Lindström
- Mad Dog Cole
- Mad Heads
- Mad Marge & The Stonecutters
- Mad Sin
- MadMartin Trío
- Madsin
- Main Station
- Malcolm Yelvington
- Mamasweed
- Man in the Street
- Mandi Mandi
- Manny Orozco
- Manos Wild
- Manuela
- Marc & the Wild Ones
- Marc de Bollivier
- Marc Hepburn
- Marcel Bontempi
- Marcelo Araujo
- Marcio Maresia
- Marcos Maschio
- Marcos Sá
- MARCSSON
- Maria do Relento
- Mariana Rezende
- Mario Monterosso
- Mario Saizé
- Mark Lee Allen
- Mark Lewis
- Mars Attacks
- Martin Goldenbaum
- Martini Bros.
- Marty Robbins
- Marty Wilde & His Wildcats
- Maruhny
- Marvin Jackson
- Marvin Rainwater
- Marznik
- María Tyrana
- Mason Jar Revival
- Masterklass
- Matchbox
- Matheus Estevão
- Matheus Lima
- Matt J Berg
- Matt Lewis
- Matti Rockell
- MaureenO'
- Maverick 77
- Max Panconi Trio
- Mayara Pera
- Mayflower Madame
- McCoy Tyner
- Mein Freund der Delfin
- Mek & The Pek'A'Billies
- Melancolia Lettícia
- Mental Bait
- Mess of Booze
- Messer Chups
- Meteors
- Micah Thunder
- Micke Muster
- Midnight Blue
- Midnight Teds
- Midnight To Six
- Miguel Aceitón
- Miguel Cassina
- Mike Badger
- Mike Bell & The Belltones
- Mike Lennon
- Mike Martin
- Mike Martin and The Rumble
- Mike Penny and his Moonshiners
- Mike Sanchez
- Mikel Onetwo
- Miki Lamarr
- Mikel Onetwo
- Miki Lamarr
- Million Dollar Tones
- Milwaukee Wildmen
- Miro de Melo & Os Bregapunks
- Mishasfriends Band
- Miss Jean Vincent
- Miss Lauren Marie
- Miss Mary Ann & The Ragtime
- Mississippi Queen
- Missling
- MissMarlyen
- Mister L
- Mitch King
- Mitch King U.S.
- Mitchell Torok
- Moca
- Mod Laurel
- Mojo Nixon
- Mokánia
- Molly Bee
- Mona und die falschen 50er
- Moniè
- Monsters
- Monstre Moche
- Monstros Do Ula Ula
- Moon-Doggy's Revenge
- Moonshine Reunion
- Moonshiner
- Moonshiners rockabilly trio
- Mosaic
- Moscow Beatballs
- Mosh Lab
- Motorama
- Move Over Dali
- Mr. G. and his Billy Boys
- Mt.Paiot's
- Muchos Libre
- Muguel Androchuk
- Mungo Jerry
- Murdogs