Bands by status: Active: Page 12
- Mar de Grises
- Marduk
- Marilyn Manson
- Marshall Law
- Stu Marshall
- Marty Friedman
- Martyr (CAN)
- Masi
- Masquerade
- Massemord
- Mass Psychosis
- Master
- Masterplan
- Master (RUS)
- Mastodon
- Jim Matheos
- Matriarch
- Mausoleum
- Maximum Perversion
- Mayhem
- Maze of Torment
- MCM
- Mean Streak
- Meat Wallet
- Mechanical Poet
- Meduza
- Megadeth
- Megiddo
- Hubi Meisel
- Mekong Delta
- Melechesh
- Melektaus
- Melets
- Meliah Rage
- Memoira
- Memories Lab
- Memory Garden
- Menhir
- Mental Care Foundation
- Mental Terror
- Mephistopheles
- Mercenary
- Merciless
- Mercury Tide
- Merging Flare
- Merrimack
- Meshuggah
- Messiah's Kiss
- Metal Inquisitor
- Metalium
- Metallica
- Metal Mareny
- Metalucifer
- Metsatöll
- Meyvn
- Mhorgl
- MSG (Michael Schenker Group)
- Michael Vescera
- Mictlantecuhtli
- Midvinter
- Miles Beyond
- Millenium
- Minas Morgul
- Minas Tirith (NOR)
- Mind Colour
- Mindflow
- Mindflowers
- Mindlag Project
- Mind of the Dodecahedron
- Mind's Eye (SWE)
- Mindsink
- Mindsnare
- The Minibosses
- Minionslayer
- Ministry
- Mirrorthrone
- miRthkon
- Miseria
- Misery Index
- Missa Mercuria
- Miss Behaviour
- The Mist And The Morning Dew
- Misteltein
- Mister Kite
- Mistheria
- Månegarm
- Mnemic
- Mob Rules
- M.O.D. (Method Of Destruction)
- Moñigo
- Mokoma
- Monarque
- Monogono
- Monsanto
- Monster
- Monstrosity
- Monument
- Moonlight Circus
- Moonlyght
- Moon of Steel
- Moonsorrow
- Moonspell
- Moontower
- Vinnie Moore
- Morbid Angel
- Morbid Dream
- Morbiddust
- Morbid Saint
- Morgana Lefay
- Morgul
- Morifade
- Morior Ergo Sum
- Morning
- Morphia
- Morrigan
- Mors Osculi
- Mors Principium Est
- Mortal Decay
- Mortal Love
- Mortal Sin
- Mortification
- MortIIs
- Mortuary Drape
- Scott Mosher
- Mötley Crüe
- Motörhead
- Mournful Congregation
- Mourning Beloveth
- MPG
- M.S.I.
- Múspell
- Mütiilation
- Municipal Waste
- MurderMarket
- Murder Squad
- Muro
- Murphy's Law
- Musaka
- Mushroomhead
- Mustan Kuun Lapset
- Must Missa
- Mutiny
- MVP
- My Cold Embrace
- My Darkest Hate
- My Dying Bride
- Mynjun
- Myotonia
- Myrddraal
- Myrkskog