| Unset | Rock/Metal | Bizkaia | |
| Urbangrind | Death/Grindcore | Bizkaia | |
| Urlik | Crust/Black Metal/Hardcore | Bizkaia | |
| Vakumm | Groove Metal | Nafarroa | |
| Valkyria | Heavy Metal | Bizkaia | |
| Velka | Black Metal | Gipuzkoa | |
| Vhäldemar | Heavy/Power Metal | Bizkaia | |
| Vice Presidentes | Sludge Metal | Araba | |
| Virulency | Brutal Death Metal | Bizkaia | |
| Voltium | Thrash Metal | Bizkaia | |
| Wake Up Neo | Groove Metal | Bizkaia | |
| Wojtyla | Heavy Metal | Nafarroa | |
| Xtasy | Hard Rock | Nafarroa | |
| ZaKill | Thrashcore/Crossover | Nafarroa | |
| Ztah | Groove Metal | Lapurdi | |
| Zurkor | Metal | Bizkaia |
