- Maurice Escande -- Mausburg
- Mäuse -- Max Mallette
- Max Mancini -- Maximo Cunyas
- Máximo Damián -- Mayer
- Mayer, Coletta, Lubke -- MBX
- MBX: The Mr. Black X-periment -- MC Mowgli
- M.C. Mumbles -- McDevitt
- mcdok -- MEAD
- Mead Street Blues Reunion -- Mediha Şen Sancakoğlu
- Medikaded -- Megan Madara
- Megan Manoram -- Mel Botes
- Mel Brenden -- Melendiz
- Melenhead -- Meleshko R.