- Gamalon (Experimental Metal-USA)
- Gamma (Hard Rock-USA)
- Gammacide (Thrash Metal-USA)
- Galaxicon (Sludge Doom-USA)
- Glamdring (Unblack-USA)
- Giamon (Pagan Black-France)
- Gammoth (Death Metal-Brazil)
- Graymalkin (Death Grind-New-Zealand)
- Glaciation (Black Metal-France)
- Gemanon (Melodic Death-USA)