- Morton Davis -- Mortuus Caelum
- Mortuus Infradaemoni -- Mos Eisley
- MOS GENERATOR -- Mosaik
- Mosaique -- Moscow Improvising Trio
- Moscow Liturgic Choir -- Moscow Youth Orchestra
- Moscow Youth Symphony Orchestra -- Moser
- Moser Woods -- Moses Henriques
- Moses Hogan -- Moses Rascoe
- Moses Rutues, Jr. -- Mosh Mosh
- Mosha -- Moshe Levi
- Moshe Nadir -- Mosie Lister
- Mosie Lister -- MOSQ