- Icos (Sludge Doom-Sweden)
- Inconstant (Melodic Metal-Brazil)
- Isospin (Progressive Metal-Greece)
- Innosin (Melodic Metal-Netherlands)
- Iciclan (Black Death-Australia)
- Istarian (Pagan Folk-Switzerland)
- Incordia (Melodic Death-Germany)
- Incision (Death Metal-Sweden)
- Incoming (Gothic Death-Netherlands)
- Inoriand (Dungeon Synth-Hungary)