- M (real name: Matthieu Chédid)
- M.I.A. (hip hop artist Maya Arulpragasam)
- M.I.A. (USA punk band)
- M3 (Classic Whitesnake)
- M83
- Maahn, Wolf
- Macaco Bong
- Macbeth (Italian gothic metal band)
- Maccabees, The
- Maccara (UK Rock Band)
- MacColl, Calum
- MacColl, Neill
- Macdonald, Amy
- Mace (80s US thrash metal band)
- MacGowan, Shane and Popes, The
- Machinae Supremacy
- Machine Head (Thrash Metal band from Oakland, US)
- Machine Men
- MacIntyre, Colin
- Macka B
- Mad Caddies
- Mad Capsule Markets, The
- Mad Juana
- Mad Professor
- Mad Season
- Mad Sin
- Madame (Polish new wave band)
- Madball
- Madcon
- Madder Mortem
- Made in Mexico
- Made of Hate
- Made Out of Babies
- Madina Lake
- Madness (English pop/ska band)
- Madonna
- Madredeus
- Madrugada
- Madsen
- Mae
- Maé, Christophe
- Maffay, Peter
- Magalhães, Mallu
- Magazine (70s/80s UK post-punk/new wave band)
- Magazine (Espanol)
- Magenta (Welsh progressive rock band)
- Magic Numbers, The
- Magica (Romanian metal group)
- Magma (French progressive rock band)
- Magnacult
- Magnetic Fields, The
- Magnolia Electric Co.
- Magnum (Birmingham UK melodic rock band)
- Magrudergrind
- Mahal, Taj
- Mahavishnu Orchestra
- Mahones, The
- Maine, The
- Maintain
- Maj Karma
- Majestic (Swedish Neo classic, progressive Power Metal band)
- Majesty (German power metal band)
- Malajube
- Malefice
- Malevolent Creation
- Malin, Jesse
- Malkmus, Stephen
- Malkmus, Stephen and Jicks, The
- Mallonee, Bill
- Malmsteen, Yngwie J.
- Malmsteen, Yngwie J.'s Rising Force
- Mama's Boys
- Mamady Keïta
- Mambo Kurt
- Mammal (Australian hard rock band)
- Mammal (US industrial/noise producer Gary Beauvais)
- Man Man
- Man Must Die
- Man Raze
- Maná (Mexican rock group)
- Manatees
- Manboy
- Manchester Orchestra
- Mandell, Eleni
- Mando Diao
- Manel
- Manfred Mann's Earth Band
- Manfred Manslaughter
- maNga
- Manhattan Love Suicides, The
- Mani
- Manic Street Preachers
- Manilow, Barry
- Mann, Aimee
- Mannoia, Fiorella
- Mano Negra
- Manorexia
- Manos
- Manowar
- Mansell, Clint