- The Mighty Maestro -- The Mighty Motor Gang
- The Mighty Mouse -- The Mighty Rime
- The Mighty Roars -- The Mighty Stef
- The Mighty Strinth -- The Mighty Tubadours
- The Mighty Underdogs -- The Migil 5
- The Migil Five -- The Mike Barone Big Band
- The Mike Block Band -- The Mike Reilly Band
- The Mike Ryza Trio -- The Milano Brothers
- The Milburns -- The Miles Bros. Quartette
- The Miles Of Smiles Show -- The Milk Carton Kids
- The Milk feat. Idris Elba -- The Mill Valley Taters
- The Mill Weavers -- The Miller Stain Limit
- The Millers Tale -- The Millionrunners
- The Millions -- The Mind Circus
- The Mind Club -- The Mind's Eye
- The Mindwinder -- The Minions
- The Minista -- The Minor Fall
- The Minor League -- The Minstrels
- The Mint -- The Minus Tide
- The Minute Men -- The Miriam Dee Band
- The Mirimar Disaster -- The Miserable Few
- the miserable rich -- The Mispent
- The Misprintz -- The Missing Linkx
- The Missing Lynx -- The Mission Light
- The Mission San Leandro Blues Band -- The Mississippi Marvel
- The Mississippi Moaner -- The Mistakeman