- Leviathan (TUR) (Doom Black-Turkey)
- Leviathan (SWE) (Black Metal-Sweden)
- Leviathan (ARG) (Thrash Speed-Argentina)
- Faithless Messiah (Thrash Death-France) - Other name : FM, ex-Leviathan
- Leviathan (CHN) (Deathcore-China)
- Leviathan (GER) (Progressive Death-Germany)
- Leviathan (PL) (Thrash Death-Poland)
- Seed (GER) (Power Metal-Germany) - Other name : ex-Leviathan
- Lvthn (UK) (Dark Ambient-United-Kingdom) - Other name : ex-Leviathan
- Leviathan (JAP) (Visual Kei-Japan)
- Leviathan (VEN) (Black Metal-Venezuela)
- Leviathan AD (Sludge Doom-USA)
- Leviathan Necrosis (Death Grind-Brazil)
- Leviathan Of The Sea (Deathcore-Australia)
- Leviathan Project (Progressive Metal-USA)
- Leviathan (USA-1) (Black Metal-USA)
- Leviathan (USA-2) (Death Thrash-USA)
- Leviathan (USA-3) (Progressive Power-USA)
- Leviathan (USA-4) (Thrash Metal-USA) - Other name : ex-Critical Mass
- Leviathane (Gothic Metal-Switzerland)
