- The Maranatha! Singers -- The Marc Mayer Band
- The Marc Sabatella Trio -- The Marches
- The Marching Band -- The Margot Catcher
- The Mariachi Brass -- The Mariettas
- The Marigold Circus -- The Mariners
- The Marines -- The Mark Fechner Jazz...
- The Mark Four -- The Mark Monty Band
- The Mark of Cain -- The Marked Men
- The Markets -- The Marlboros/The Jokers Six
- The Marley Boys -- The Marquis De Tren/Billy
- The Marquis Ensemble -- The Marshall Plan
- The Marshals -- The Martian
- The Martian Denny Orchestra -- The Martinets