- Kaotk (Death Metal-Brazil)
- Klootzak (Heavy Metal-France)
- Kostnitsa (Doom Black-Russia)
- Kattah (Power Metal-Brazil)
- Kozlak (Melodic Black-Croatia)
- Kaotik (Death Metal-Canada)
- Koziak (Melodic Death-Croatia)
- Kodiak (Drone-Germany)
- Kontra (Thrash Metal-Chile)
- Koreltsak (Black Metal-USA)