- Mayhem (Punk-Rock-United-Kingdom)
- Maglore (Indie Rock-Brazil)
- Marty Wilde (Rock'n'Roll-United-Kingdom)
- Marousse (Ska Rock-France)
- Ma Sorte (Punk-Rock-Portugal)
- Mangrove (Symphonic Prog-Netherlands)
- Marathon (Progressive Rock-Ireland)
- Marea (Rock-Spain)
- Martyrium (Gothic Rock-Portugal)
- Malicorne (Folk Rock-France)