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- Lauriana Mae
- Magic Lanterns
- Maino (Hustle Hard/Atlantic)
- Makeshift Prodigy (Atlantic)
- Marc Broussard
- Herbie Mann
- The Mar-Keys
- Anya Marina (Chop Shop/Atlantic)
- Marina and the Diamonds
- Bruno Mars
- Mase (Atlantic)
- Matchbox Twenty
- Mayday Parade
- Les McCann & Eddie Harris
- Stick McGhee
- McLean
- Clyde McPhatter
- Mabel Mercer
- Kevin Michael
- Leslie Mills
- Mistah F.A.B. (Faeva Afta/Thizz Ent)
- Kim Mitchell
- Anika Moa (Warner Music NZ/ Atlantic)
- Moments in Grace
- Jackie Moore
- Sonny Moore
- Laza Morgan
- Jason Mraz
- Musiq Soulchild
Read more about this topic: List Of Current Atlantic Records Artists