- Mary McCloud
- Mary Mcginniss
- Mary Ott
- Mary Reid
- Mary Sarah
- Mary Schneider
- Mary Stribling
- Mary Sue Englund
- Mary Z. Cox
- Maryanna Elliot
- Marysue Proveaux
- Masayoshi Takamaka
- Mashville Brigade
- Mason Dixon
- Mason Dixon
- Mason Dixon Lines
- Mason Douglas
- Mason James
- Mason James Country
- Masters
- Maston Music Makers
- Maston's Music Makers
- Matea Galic
- Matokie Slaughter
- Matraca Berg
- Matt and Huston His Arkansas Playboys
- Matt Bailie
- Matt Barber
- Matt Brown
- Matt Caldwell
- Matt Combs
- Matt Emmons
- Matt Ford
- Matt G. Cueto
- Matt Gary
- Matt Glaser Quintet
- Matt Glassmeyer
- Matt Harlan
- Matt Hartz
- Matt Hooper
- Matt Kennon
- Matt Kimbrow
- Matt King
- Matt Koger
- Matt Lax
- Matt Lindahl
- Matt Lopez
- Matt Maloof
- Matt Martindale
- Matt Mason
- Matt Masters
- Matt McColley
- Matt McGee
- Matt Meyer
- Matt Newberg
- Matt Nugent
- Matt Passalacqua
- Matt Poss
- matt rae
- Matt Rogers
- Matt Sayles
- Matt Sayles
- Matt Skinner
- Matt Stell