| The Monsters |
| The Monterey Jazz Ensemble |
| The Montgolfier Brothers |
| The Montgomery Brothers |
| The Montmartre Players |
| The Montmartre Strings |
| THE MOOD'S TRIP |
| The Moods Unlimited Orchestra |
| The Moody Blues |
| The Moody Brothers |
| The Moog Cookbook |
| The Moon Maids |
| The Moon Men |
| The Moon-Rays |
| The Mooney Suzuki |
| The Moonglows |
| The Moonlandingz |
| The Moonlight Players |
| The Moonlight String Orchestra |
| The Moore Brothers |
| The Moose |
| The Mopeds |
| The More |
| The Morenas |
| The Morgan Brothers |
| The Morgan Sisters |
| The Morgan Twins |
| The Morning Benders |
| The Morning Dew |
| The Morning Drive |
| The Morning Light |
| The Morning Line |
| The Morning Of |
| The Morning Sea |
| The Moroccos |
| The Morrie Morrison Orchestra |
| The Morrighan |
| The Morris Brothers |
| The Mose Allison Trio |
| The Mosquitos |
| The Mossie |
| The Most Requested Rhythm Band |
| The Most Serene Republic |
| The Motans |
| The Motards |
| The Motels |
| The Moth & the Flame |
| The Mother Truckers |
| The Mothers of Invention |
| The Motivations |
| The Motor City Horns |
| The Motors |
| The Mouldy Five |
| The Mound City Blue Blowers |
| The Mountain Brothers |
| The Mountain Carol |
| The Mountain Goats |
| The Mountain King |
| The Mountain Park Old Time Band |
| The Mouseketeers |
| The Mousses |
| The Move |
| The Movement |
| The Movement |
| The Movement in Codes |
| The Movielife |
| The Movies |
| The Moving Sidewalks |
| The Mowgli's |
| The Mr. T Experience |
| The MSB |
| The Muckers |
| The Muckrakers |
| The Mudbugs Cajun & Zydeco Band |
| The Mudlarks |
| The Mudmen |
| The Muffinmates |
| The Muffs |
| The Mugil 4 |
| The Mugwumps |
| The Muhibbain |
| The Mummas |
| The Munchkins |
| The Munich State Orchestra |
| The Munroes |
| The Munros |
| The Muppet Barbershop Quartet |
| The Muppets |
| The Muppets show |
| The Murder Capital |
| The Murder of My Sweet |
| The Murderers |
| The Murderers |
| The Murmaids |
| The Murmurs |
| The Muses |
| The Museum |
| The Music |
| The Music Box |
| The Music Coalition |
