- Baldrs Draumar (Folk/Viking Metal)
- Balkandji (Heavy / Folk-metal)
- Balt Hüttar (Folk-metal)
- Balyios (Melodic Folk-metal) ‡
- Barad Guldur (Folk-metal)
- Baradj (Post folk-rock/ post folk-metal)
- Barbarian Warriors in search of Wisdom (Pagan Folk Metal)
- Barbar’O’Rhum (Folk-Rock)
- Barloventos (Folk/Power Metal)
- Bastion (Pagan / Folk-Metal) ‡
- Battleheart (Folk Power Metal) ‡
- Battlelore (Symphonic Epic Metal)
- Battlesoul (Folk/Celtic trashmetal)
- Battle Tales (Folk-metal)
- Baumbart (Folk-metal)
- Beast Impalor (Death/Folk-metal)
- Beer Bear (Folk-metal) ‡
- Belegost (Folk-metal) ‡
- Belenos (Black Metal)
- Bellfast (Folk-metal)
- Bergatagen (Trollish Black Metal)
- Bergsvriden (Black / Folk-metal)
- Bifröst (Epic Pagan Metal) ‡
- Black Corsair (Folk / Power Metal)
- Black Kirin (Black/Folk-metal)
- Black Leaves (Folk/Gothic Metal) ‡
- Black Lotus (Black/Folk Metal) ‡
- Black Magic Fools (Mittelalter Folkrock)
- Black Messiah (Black/Folk Metal)
- The Black Tartan Clan (Celtic Punk) ‡
- Black Velvet Band (Folk-metal)
- Blackwolf (Folk-metal) ‡
- Blodiga Skàld (Folk-metal)
- Blood or Whiskey (Folk-punk)
- Bloodshed Walhalla (Epic Viking Metal)
- The Bloody Irish Boys (Folk Punk) ‡
- Bodh’aktan (Celtic Punk)
- Boisson Divine (Folk-metal)
- Bolero (Pagan/Folk/Black Metal) ‡
- Boombaard (Folk-metal) ‡
- Bor (Epic Pagan Folk-metal) ‡
- Borean Dusk (Prog Metal/Folk) ‡
- Borknagar (Black/Prog/Viking/Folk Metal)
- Bostonskoe Chaepitie (Folk-punk) ‡
- Boyanov Gimn (Folk-metal)
- Bran Barr (Celtic Folk/Black Metal) ‡
- Bretheren (Folk/Black/Death metal) ‡
- Brethren (Folk/Black/Power metal) ‡
- Brezno (Folk-metal) ‡
- Brotherhood (Folk-rock / Folk-metal) ‡
- Brutus’ Daughters (Punk/Folk)
- Brymir (Pagan/Folk Metal)
- Buaiteoir (Folk-metal) ‡
- Bucium (Folk-rock/fok-metal)
- Bucovina (Folk-metal)
- Bunch Of Bastards (Celtic Punk)
- Burden of Ymir (Folk influenced metal)
- Butterfly Temple (Pagan/Doom Metal)