| The Memphis Horns |
| The Memphis Symphony Orchestra |
| The Men |
| The Men of the Deeps |
| The Men They Couldn't Hang |
| The Mendes Brothers |
| The Mendoza Line |
| The Menheads |
| The Mentors |
| The Menzingers |
| The Mercenaries |
| The Mercy Cage |
| The Mercy Cage & Shine Brida |
| The Meridian |
| The Merry Macs |
| The Merry Melody Singers |
| The Merry Yuletide Singers |
| The merrymen |
| The Merrywoode Singers |
| The Merseybeats |
| The Merseys |
| The Merton Parkas |
| The Mescaleroes |
| The Mess |
| The Mess Inside |
| The Messengers |
| The Messengers Of God |
| The Metal Alliance |
| The Meteors |
| The Meters |
| The Methadones |
| The Method Actors |
| The Methods |
| The Metro Stompers |
| The Metronome All-Stars |
| The Metropolitan Music Ensemble |
| The Metros |
| The Metroschifter |
| The Metz Family |
| The MG's |
| The MGM Crooners |
| The Michael Kane Band |
| The Michael O'Neill Quintet |
| The Michael Zager Band |
| The Mick Lloyd Connection |
| The Micragirls |
| The Micronaut |
| The Micronauts |
| The Microphones |
| The Mid-Summer Classic |
| The Middle East |
| The Middle Eight |
| The Midi Mafia |
| The Midiri Brothers |
| The Midnight |
| The Midnight Callers |
| The Midnight Ramblers |
| The Midnighters |
| The Midway State |
| The Midwest Winds |
| The Mighty Blue Kings |
| The Mighty Bop |
| The Mighty Clouds of Joy |
| The Mighty Diamonds |
| The Mighty Echoes |
| The Mighty Hannibal |
| The Mighty Lemon Drops |
| The Mighty Marvelows |
| The Mighty Mighty Bosstones |
| The Mighty Tubadours |
| The Mighty Wah! |
| The Migil 5 |
| The Mike Bon Gang |
| The Mike Curb Congregation |
| The Mike Eldred Trio |
| The Mike Flowers Pops |
| The Mike Garson Band |
| The Mike Hennessey Chastet |
| The Mike Owen Woodland Jazz Band |
| The Mike Sammes Singers |
| The Mildred Snitzer Orchestra |
| The Miles |
| The Milestones & Littler Leroy |
| The Military Orchestra of the Soviet Army |
| The Milk Carton Kids |
| The Milkshakes |
| The Millar Brass Ensemble |
| The Millennial Club |
| The Millennium |
| The Millennium Dance Party All-Stars |
| The Miller Orchestra |
| The Miller Sisters |
| The Million Dollar Bashers |
| The Million Dollar Quartet |
| The Million Reasons |
| The Millionaires |
| The Mills |
| The Mills Brothers |
| The Mind |
| The Mindbenders |
