- The Mobile Cubes -- The Models
- The Modemaires -- The Modern Love Orchestra
- The Modern Lovers -- The Modifiers
- The Modlins -- The Mojo Fins
- The Mojo Fins -- The Molotovs
- The Mom & Dads -- The Money Rulers
- The Moneyhuns -- The Monks of Notre Dame
- The Monks of the Benedictine Monastery of Einsiedeln -- The MonStars
- The Monster Grip Nasty Bitches -- The Montgomery Gentry Bluegrass Band
- The Montgomery Improvement Association -- The Moon
- The Moon And Her Mother -- the Moonlight Wranglers
- The Moonlighters -- The Mop Tops
- The Mopeds -- The Mopeds