- M-UGGR333
- M!r!m
- M.⨢.Λ
- M.B. & Nisi Quieris
- M()RE
- M‡ŁS
- M△S▴C△RA
- Macbeth
- Machines of Loving Grace
- Mad Sin
- Madame Edwarda
- Madder Mortem
- Madness of the Night
- Madre del Visio
- Madrugada
- Maerzfeld
- Magazine
- Magica
- Magion
- Magnitudo 8
- Mainpoint
- Majorvoice
- Malaise
- Malaria!
- Malaria! Vs Chicks on Speed
- Malformed Earthborn
- Malice Mizer
- Mandragora Scream
- Mandrake
- Mania D
- Manic Movement
- Mankind's Audio Development
- Mannequin Neurose
- Manntra
- Manson, Marylin
- Mantus
- Manufacture
- Manuskript
- Mão Morta
- Marbell
- March Violets
- March Violets,the
- Maria Daniela y su Sonido Lasser
- Marienbad
- Marilyn Manson
- Marilyn Manson & The Spooky Kids
- Marina Faib
- Mark Benecke & Bianca Stücker
- Markize
- Marquee Moon
- Marquee X
- Marquis de Sade
- Martial Canterel
- Martin Dupont
- Martin Schulte Quartet
- Maschinenzimmer 412
- Maschinist
- Mask for
- Masochistic Religion
- Masquerade
- Massiv in Mensch
- Massive Ego
- Master
- Master Boot Record
- Masters of Dark Fire
- Mater Suspiria Vision
- Maurizio Bianchi
- Maximum Joy
- Maxx Klaxon
- Maybe Mental
- Mb/Sigillum S/Bad Sector
- MCL (Micro Chip League)
- MDFMK
- Meat Beat Manifesto
- Meat Puppets
- Meathook Seed
- Mechanical Moth
- Mechatronic
- Media Violence
- Mediaeval Baebes,the
- Mediæval Bæbes
- Medicine Rain
- Meg Lee Chin
- Megaherz
- Megaptera
- Meinhard
- Meisner, Swan & Rich
- Mekigah
- Melek-Tha
- Mellonta Tauta
- Melotron
- Mely
- Memoires d'Automne
- Memoryrave
- Men on A Mission
- Menschdefekt
- Menschenfresser
- Menschenwahn
- Mental D-struction
- Mental Defect
- Mental Destruction
- Mental Discipline
- Mental Inquisition
- Mental Overdrive
- Mentallo and the Fixer
- Mephisto Walz
- Merciful Nuns
- Mercury Circle
- Mercury's Antennae
- Mercy Killers
- Meridian
- Merlons Lichter
- Merzbow
- Merzbow & Carlos Giffoni
- Merzbow & John Wiese
- Merzbow + Elliott Sharp
- Merzbow Vs Nordvargr
- Merzbow/Jazzkammer
- Merzbow/Nordvargr
- Merzbow/The Haters
- Mesh
- Mesh 29
- Mesh StL
- Mesh-29
- Messa
- Metaklapa
- Metallica
- Metallspürhunde
- Metalwings
- Metgumbnerbone
- Metroland
- Metronic
- Metusa
- Mey,Reinhard
- Miami Horror
- Miazma
- Michael Cashmore
- Michael D'Orazio
- Michale Graves
- Midland
- Midnattsol
- Midnight Juggernauts
- Midnight Oil
- Midnight Resistance
- Midnight Syndicate
- Miesenbach
- Mighty Force
- Mighty Sphincter
- Miguel and the Living Dead
- Mike Bauhaus
- Mike Dugan & Blues Mission
- Mike Swan
- Mike Textbeak
- Mike the Swan
- Miko Mission
- Mila Mar
- Mimic Mind
- Minamata
- Mind.in.a.box
- Mindless Self Indulgence
- Minimal Compact
- Minimal Man
- Minimal Mission
- Ministry
- Minny Pops
- Minotaurus
- Minusheart
- Mirabilis
- Miranda Sex Garden
- Miroque
- MIRVZH
- Misantrophe
- Misery Loves Co.
- Misfits
- Miss Construction
- Miss Kittin
- Miss Vincent
- Mission 101
- Mission 5:16
- Mission Belle
- Mission Blues
- Mission Control
- Mission Control Presents
- Mission Giant
- Mission Horus
- Mission II
- Mission of Blues
- Mission of Burma
- Mission One
- Mission,Miko
- Missratener Sohn
- Mister Misery
- Mister Monster
- Mister Underhill
- Mistle Thrush
- Mitgift
- Mittageisen
- Mizar
- Mo-dettes
- Mob Research
- Model Citizen
- Model Kaos
- Models
- Modern English
- Modern Eon
- Modern Witch
- Modestep
- Moev
- Moi dix Mois
- Molllust
- Mommy Hurt My Head
- Monkey Farm Frankenstein
- Mono Inc.
- Mono Inc.& Joachim Witt
- Mono No Aware
- Monoblock
- Monochrome World
- Monofader
- MONOMORTE
- Monster Voodoo Machine
- Monuments
- Monumentum
- Moon
- Moon Mirror
- Moonchild
- Moonlight
- Moonlight Cathedral
- Moonrise
- Moonsorrow
- Moonspell
- Morbid Death
- Morbid Poetry
- Morbus Kitahara
- Morfosys
- Morgenstern
- Morgion
- Morgve
- Morlas Memoria
- Morphia
- Mors Syphilitica
- Mortal Constraint
- Mortal Love
- Mortemia
- Morthond
- Mortiis
- Moskote
- Motionless in White
- Moulettes
- Mount Sims
- Mourning Noise
- Mr.Kitty
- Mt Eden
- Mugl
- Murder at the Registry
- Murder Murder Suicide
- Murderdolls
- Murkrat
- Murzik
- Mushroomhead
- Muslimgauze
- Mussolini Headkick
- Musta Paraati
- My Bloody Valentine
- My Dying Bride
- My Insanity
- My Life With the Thrill Kill K
- My Life with the Thrill Kill Kult
- My Silent Wake
- Myriads
- Myrkur
- Mystigma
- Mythemia