M
M.O.D.
Macabre
Machine Head
Machine Men
Madball
Majestica
| South Stage
Malevolent Creation
Manhole
Manic Movement
Manowar
Mantar
Marduk
Marilyn Manson
Massif
Massive Wagons
| Metal Dome
Masterplan
Mastodon
| North Stage
Max & Iggor Cavalera - Return to Roots
MaYaN
Mayhem
Me And That Man
| Metal Dome
Me First & The Gimme Gimmes
Megadeth
| North Stage
Melechesh
Memoriam
Mercenary
Mercyful Fate
| Marquee
Meshiaak
Meshuggah
Metal Attack
Metal Church
Metalium
Michael Schenker
| South Stage
Michael Schenker Group
Ministry
Misfits
Miss May I
Misthyrming
| Marquee
Modern Life Is War
Moments
Monster Magnet
Monster Truck
Monuments
Moonsorrow
Moonspell
Morbid Angel
Morgoth
Motionless In White
Mötley Cruë
![Motörblast [Motörhead Tribute]](https://www.graspop.be/images/overview/webmotorblast.jpg)
Motörblast [Motörhead Tribute]
Motörhead
Mucky Pup
Municipal Waste
Murderdolls
Murphy's Law
My Dying Bride
Myles Kennedy And Company
| Metal Dome
Myrkur
