MacBeth
Madam X
Madder Mortem
Madhouse
Mahavatar
Makara
Malcriada
Malibu Barbi
Malisha
Manhole
Mankillsman
Mankind?
Manumission
Martyr AD
Mask
Masque
Mastermind
Maudlin of the Well

Max and the Broadway Metal Choir
Meanstreak
Medicine
Meghan
Meldrum
Melt-Banana
Melvins
Menstrual Tramps
Messiah Force
Messlax
Metal Disciples
Metaldust
Miasthenia
Milhouse
Misdemeanor
Misguided
the Missing

Mistress
Monroxe
Morwen
Most Precious Blood
Mourn
Mourn and Witches
Mudwimmin
Mukilteo Fairies
Multi-Facet
Murder
Murder Takes No Holiday
My Ruin
Mylar
Mysstress
Mystery Tribe
Mythic