- Gil'S (Hard Rock-France)
- Gila (Progressive Death-Mexico)
- Gilby Clarke (Hard Rock-USA)
- Gilgamesh (GER) (Black Death-Germany)
- Gilgamesh (MEX) (Death Metal-Mexico)
- Gilgamesh's Odyssey (Melodic Power-Mexico)
- Gilgamesj (Heavy Metal-Netherlands)
- Giling Anne (Noise Hardcore-Philippines) - Other name : GILINGANNE
- Gill'e Cadith (Visual Kei-Japan)
- Gilla Bruja (Death Black-United-Kingdom)
- Ian Gillan (Hard Rock-United-Kingdom) - Other name : ex-Ian Gillan Band, ex-Gillan
- Gillen and the Villains (Heavy Metal-United-Kingdom)
- Gilles De Rais (Visual Kei-Japan)
- Gillingr (Black Metal-Sweden)
- Gillman (Heavy Metal-Venezuela)
- Gillmore (Heavy Metal-Finland)
- Gilltia (Visual Kei-Japan) - Other name : ?????
- Gillyis Thunderhead (Thrash Metal-USA)
- Gilotyna (Thrash Metal-Poland)
- Gilted Woods (Black Metal-USA)
- Giltine's Gintaras (Folk Metal-Argentina)
- Griefgod (Death Metal-Lithuania) - Other name : ex-Nuclear Truth (2016-2019), ex-Gilzeh (2019-2023)
