- Kairos (Heavy Metal-Sweden)
- Kairo (Visual Kei-France)
- Kayros (Stoner-Chile)
- Kaross (Stoner-Sweden)
- Khiros (Black Metal-Finland)
- Karo (Hard FM-Germany)
- Kalibos (Doom Metal-Germany)
- Karkaos (Melodic Death-Canada)
- Kaiowas (Thrash Metal-Argentina)
- Karnnos (Pagan Folk-Portugal)