- Kaarnekorpi (Viking/Folk-metal)
- Kaatarakt (Folk/Viking Metal)
- Ka Gaia An (Folk-metal) ‡
- Kagan (Pagan/Folk-metal) ‡
- Kalevala (Folk-rock/Folk-Metal)
- Kalevala H.M.S. (Folk-rock, speedfolk)
- Kalmah (Melodic Death Metal)
- Kampfar (Pagan Black Metal)
- Kanseil (Folk-metal)
- Kara Han (Folk-metal)
- Kazkariv (Folk-metal)
- Kêltikah (Folk-metal) ‡
- KerecsenSólyom (Symph. Folk-metal) ‡
- Kernunna (Celtic Folk-metal)
- Khepra (Folk-metal)
- Kivimetsän Druidi (Symph. Folk-metal) ‡
- Khren (Folk-metal)
- Knaat (Melodic Pagan Metal)
- Kolo Pravi (Pagan Folk-metal) ‡
- Kormak Folk-metal
- Korpiklaani (Folk-metal)
- Korrigans (Folk Black Metal) ‡
- Kosmogonia (Folk-metal)
- Kot Bayn (Folk-metal)
- Krampus (Folk/Death Metal) ‡
- Krayenzeit (Medieval Rock)
- Kroda (Pagan/Folk/Black Metal)
- KromleK (Viking/Folk/Black Metal) ‡
- Krovavyi Rif (Folk/Pirate-Metal/Punk)
- KrukGard (Folk-metal)
- Krynitza (Folk/Folk-metal)
- Kryvoda (Folk/Death Metal) ‡
- Kultasiipi (Folk-metal/Rock)
- Kvasura (Folk-metal)
- Kylfingar (Folk/Viking Metal)
Folk-metal.nl
Fierce 'n' Furious Folk Music
