| Fixation On Suffering | Brutal Death Metal | Bizkaia | |
| Fizt & Furiuz | Metal | Lapurdi | |
| Flitter | Rap Metal | Nafarroa | |
| Floxbin | Industrial Metal | Gipuzkoa | |
| Frakture | Thrashcore | Bizkaia | |
| Furyo | Industrial Metal | Lapurdi | |
| Galea | Metal | Bizkaia | |
| Garaje Drama | Hard Rock | Bizkaia | |
| Gojira | Groove Metal | Lapurdi | |
| Gory Delivery | Brutal Death Metal | Bizkaia | |
| Grendel | Power Metal | Araba | |
| Harsh | Brutal Death Metal | Bizkaia | |
| Heil Hipster | Rap Metal | Nafarroa | |
| Helde | Black Metal | Gipuzkoa | |
| Helldamm | Thrash Metal | Gipuzkoa | |
| Hellmuga | Metal/rock | Bizkaia | |
| HellMugan | Groove/thrash metal | Gipuzkoa | |
| Hellwatch | Death/Groove Metal | Gipuzkoa | |
| Hellydays | Hard Rock | Bizkaia | |
| Herio | Heavy/thrash metal | Bizkaia | |
| Herra | Metalcore | Araba | |
| Hex | Death Metal | Bizkaia | |
| Hilbera | Heavy Metal | Bizkaia | |
| Hilkar | Thrashcore | Gipuzkoa | |
| Hilotz | Thrash/Death/Black Metal | Gipuzkoa | |
| Hoben | Rock/Metal | Gipuzkoa | |
| Hollowborn | Blackened Deathcore | Bizkaia | |
| Holly Brandy | Hard Rock | Bizkaia | |
| Holy Rippers | Heavy Metal | Bizkaia | |
| Hopelessness | Melodic Death Metal/Doom Metal | Gipuzkoa |
