M
Macabre Omen
Machiavel
Makam
Malcuidant
Malefactor
Maleficentia
Malevolentia
Malhkebre
Malignus
Malkuth
Malleus
Malleus Maleficarum
Malsain
Malsaination
Malus
Malvery
Manatark
Manegarm
Manes
Maniac Butcher
Mannaz
Mantak
Marbas Kult
Marduk
Martyr
Martyrium (Malta)
Martyrum
Maskim
Massemord (Norway)
MasseMord (Poland)
Mater Monstifera
Mathyr
Matricide
Mayhem
May Result
Medievil
Megaera
Meghorash
Megiddo
Meinardus
Melechesh
Melets
Melwosia
Membaris
Memorial
Menegroth
Mephistopheles
Meressin
Merodac
Merrimack
Mgla
Miasthenia
Midvinter
Millenium
MinasAnor
Mirrorthrone
Mirzadeh
Misantrok
Misein
Misericordia
Miserys Omen
Misteltein
Moat
Moonblood
Moonfrost (Switzerland)
Moonlight
Mor (Serbia)
Morannon
Morbid Funeral
Mord (Norway)
Mord (USA)
Mor Dagor
Mordgier
Mordhell
Mordichrist
Mordrak
Moredhel
Morgart
Morgul
Moria (Bulgaria)
Moria (Sweden)
Morior Axis
Moriturus
Mork Gryning
Mørkriket
Morok
Morrigan
Morrigu
Mors Liberatrix
Mortal Insanity
Mortal Intention
Morte Incandescente
Mortellez
Mortem Occumbere
Mortharm
Mortinatum
Mortjuri
Mor Zaboth
Mor Zaboth
Mourning Winter
Mrak
Mundzuk
Mustan Kuun Lapset
Musta Surma
Must Missa
Mutant
Myrddraal
Myrk
Myrkal
Myrkgrav
Myrkvid
Mysteriis (Brazil)
Mysteriis (France)
Mysteriis (Colombia)
Mystic Circle
Mystic Forest
Mysticum
Mystifier
Mythos
Myzterion
Mörker