| Vhäldemar | Heavy/Power Metal | Bizkaia | |
| Viewer | Hardcore/Metal | Bizkaia | |
| War Symphony | Power Metal | Nafarroa | |
| When Evil Comes | Metalcore | Araba | |
| Withredd | Prog/Modern Metal | Bizkaia | |
| Wojtyla | Heavy Metal | Nafarroa | |
| Xilum | Alt Metal | Nafarroa | |
| Xtasy | Hard Rock | Nafarroa | |
| ZaKill | Thrashcore/Crossover | Nafarroa | |
| Ztah | Groove Metal | Lapurdi | |
| Zuldar | Melodic death metal | Bizkaia | |
| Zurbeltz | Groove Metal | Gipuzkoa |