- Master (USA) (Death Metal-USA)
- Master (RUS) (Thrash Metal-Russia)
- Master Boot Record (Industrial Electro-Italy) - Other name : MBR
- Master Charger (Stoner Doom-United-Kingdom)
- Master Crow (Symphonic Death-France)
- Master Damned (Death Metal-Italy)
- Master Disaster (Thrash Metal-Italy)
- Master Dy (Melodic Power-Portugal)
- Master Evil (Heavy Metal-Spain)
- Master Fister (Power Metal-USA)
- Master Fury (Thrash Metal-USA)
- Master Of Cruelty (Black Death-Paraguay)
- Master Of Persia (Pagan Folk-Iran) - Other name : MOP
- Master Of Waha (Alternative Metal-Belgium) - Other name : MOW
- Master Sword (Power Metal-USA)
- Master's Call (Black Death-United-Kingdom)
- Master's Death (Death Metal-Czechia)
- Master's Hammer (Experimental Metal-Czechia)
- Master's Memorial (Dark Metal-Ireland)
- Mastercastle (Power Metal-Italy)
- Masterdom (Heavy Metal-Italy)
- Masterforce (Folk Metal-Italy)
- Masterful (Melodic Power-France)
- Masterguru (Death Grind-USA)
- Masterhead (Thrash Metal-Brazil)
- Masteriis (Black Metal-Norway)
- Masterlast (Industrial Metal-USA)
- Masterly (Power Metal-Spain)
- Mastermind (UK) (Hardcore-United-Kingdom)
- Mastermind (PAR) (Thrash Metal-Paraguay)
- Mastermind (MAR) (Death Metal-Morocco)
- Mastermind (FRA) (Heavy Metal-France)
- Mastermind (USA) (Progressive Metal-USA)
- Mastermind (JAP) (Melodic Power-Japan)
- Masteroid (Stoner-Finland)
- Masterpiece (BRA) (Heavy Metal-Brazil)
- Masterpiece (JAP) (Progressive Metal-Japan)
- Masterplan (Melodic Heavy-Germany)
- The Masters Apprentices (Heavy Rock-Australia) - Other name : Masters Apprentices,The Master's Apprentices, ex-The Mustangs
- Masters Of Dark Fire (Gothic Dark-Germany)
- Masters Of Disguise (Melodic Power-Germany)
- Masters Of Luxury (Sludge Metal-USA)
- Masters Of Metal (Thrash Speed-USA)
- Masters Of Reality (Stoner-USA) - Other name : M.O.R
- Masters Of Rebellions (Speed Heavy-Belgium)
- Sirenia (Symphonic Metal-Norway) - Other name : ex-Masters Of Sirenia
- Masterstroke (ITA) (Speed Metal-Italy)
- Masterstroke (CAN) (Hard Rock-Canada)
- Masterstroke (FIN) (Heavy Metal-Finland)
- Mastervoid (Melodic Heavy-Brazil)
- Masterwork (Power Metal-Finland)
- Mastery (USA) (Black Metal-USA)
- Mastery (CAN) (Thrash Metal-Canada)
- Mastery of Blasphemy (Black Metal-Germany)
