- The Maharajas
- The Main Attraction
- The Main Drag
- The Main Ingredient
- The Main Level
- The Main Squeeze
- The Maine
- The Maisonettes
- The Majority Says
- The Make
- The Makem And Spain Brothers
- The Makemakes
- The Malibus
- The Mammals
- The Manao Company
- The Manhattans
- The Manitoba Classical Guitar Duo
- The Mantles
- The Maranatha Singers
- The Marauders
- The Marble Index
- The Marcels
- The Mardy Bums
- The Mariners Children
- The Mark Chapman Band
- The Marked Men
- The Marketts
- The Marksmen Quartet
- The Marshmallow Kisses
- The Martin Harley Band
- The Martins
- The Marvelettes
- The Mary Dream
- The Mary Janes
- The Mary Onettes
- The Mascara Story
- The Mascots
- The Mashinguns
- The Mass Missile
- The Masters Apprentices
- The Material
- The Max Weinberg 7
- The Maxies
- The Mayan Factor
- The Mayfield Four
- The Maytones
- The Maze
- The Mccain Brothers
- The Mcclymonts
- The Mclovins