- Mary Ann Clark -- Mary-Chapin Carpenter
- Mary Cogan -- Mary Gardner
- Mary Gauthier -- Mary Karlzen
- Mary Karr -- Mary Lamont
- Mary Lee -- Mary Malin
- Mary May Davidson -- Mary Sarah
- Mary Schneider -- Marysue Proveaux
- Masayoshi Takamaka -- Mason Douglas
- Mason James -- Matea Galic
- Matokie Slaughter -- Matt Brown
- Matt Caldwell -- Matt Gary
- Matt Glaser Quintet -- Matt Kennon
- Matt Kimbrow -- Matt Lopez
- Matt Maloof -- Matt McGee
- Matt Meyer -- matt rae
- Matt Rogers -- Matt Stillwell
- Matt the Electrician -- Matt Wise