- M. Chestnutt
- M. Dulaney
- M. Pinkard
- M. Powell
- M Shanghai String Band
- M. Skinner
- M-tee Klip
- Ma Steitle
- Mac and Chubby
- Mac Band
- Mac Benford
- Mac Benford & the Woodshed All-Stars
- Mac & Bob
- Mac Davis
- Mac, Doc & Del
- Mac Maguire & His Harmony Rangers
- Mac Martin
- Mac Martin & His Dixie Travelers
- Mac McAnally
- Mac Quinn and His Dubs
- Mac Snow
- Mac Traynham
- Mac Tubb
- Mac Wiseman
- Mac Wiseman and the Country Boys
- Mac Wiseman & The Shenandoah Cut-Ups
- Maci Wainwright
- Mack Abernathy
- Mack Dryden
- Mack & Jamie
- Mack Magaha
- Mack Mccloud
- Mack Phillips
- Mack Walters
- MacKayla Hunter
- Maclaren Brennan
- MacLean and MacLean
- Mad Daddys
- Mad Trucker Gone Mad
- Maddox Bros
- Maddox Brothers & Rose
- Maddy Griseto
- Maddy Rodriguez
- Maddy Rodriguez
- Maddy Rodriguez
- Maddy Rodriguez
- Maddy Rodriguez
- Maddy Rodriguez
- Maddy Rodriguez
- Maddy Rodriguez
- Madeline Burke
- Madeline Deveroux
- Madonna Nash
- Madonna Parsons
- Mae Boren Axton
- Maeve
- Maggie Austin
- Maggie Brown
- Maggie Griffin
- Maggie Rose
- Maggie Rose
- Maggie Sajak
- Maggie Valley Boys
- Maggie Watkins
- Maggie Wood
- Magic Cropdusters
- Magic Johnson