- Kruel (Black Metal-USA)
- Kartel (Hardcore-United-Kingdom)
- Krâel (Black Metal-Germany)
- Kres (Atmospheric Black-Poland)
- Krek (Black Metal-Germany)
- Keel (Hard Rock-USA)
- Krovuel (Black Metal-Bulgaria)
- Kur'nel (Crossover-USA)
- Karelia (Industrial Electro-France)
- Korseld (Death Doom-Sweden)