| Band |
Genre |
| Ghost of the Robot | Alternative Rock |
| Glenn Hughes | Hard Rock |
| Godsmack | Nu Metal |
| Gojira | Black/Death Metal/Hardcore |
| Golden Earring | Rock |
| Gorgoroth | Black/Death Metal/Hardcore |
| Gorguts | Black/Death Metal/Hardcore |
| Gorod | Black/Death Metal/Hardcore |
| Gotthard | Hard Rock |
| Graham Bonnet | Hard Rock |
| Grand Funk Railroad | Hard Rock |
| Grateful Dead | Pop Rock |
| Grave | Black/Death Metal/Hardcore |
| Grave Digger | Heavy metal |
| Grease Razor | Thrash Metal |
| Great White | Hard Rock |
| Green Day | Punk Rock |
| Grim Reaper | Heavy metal |
| Guano Apes | Alternative Rock |
| Gugun Blues Shelter | Rock |
