- Korvak (Thrash Metal-Brazil)
- Kormak (Folk Metal-Italy)
- Krak (Symphonic Black-Canada)
- Krank (Heavy Metal-USA)
- Kabak (Death Grind-El Salvador)
- Korakore (Deathcore-France)
- Kahora (Grindcore-France)
- Kubark (Grindcore-Chile)
- Koruporba (Stoner-Indonesia)
- Kraake (Black Metal-Czechia)