- Ladushka (Folk-metal/Rock)
- Lagerstein (Folk / Pirate-metal)
- Landevir (Melodic Folk-metal)
- Land of Fog (Epic Pagan Metal)
- ‡ Laochra (Folk/Black/Pagan Metal)
- ‡ Lappalainen (Folk-metal)
- ‡ Last Wail (Battle-metal)
- Leah (Celtic/Symphonic Metal)
- Legacy of Silence (Folk-metal)
- Lemuria (Symphonic Folk/Black metal)
- Lèpoka (Folk-metal)
- ‡ Leprechaun (Folk-metal)
- Les Alabres (Folk-metal)
- ‡ Leshak (Folk Death Metal)
- Lesiar (Pagan Folk-metal)
- Leśne Licho (Folk Metal)
- Letzte Instanz (Rock/Alternative/Gothic)
- Lexington Field (Fiddle rock)
- Lex Talion (Viking/Folk-metal)
- ‡ Litvintroll (Folk-rock)
- Lombolo (Folk-Rock/Folk-Metal)
- Lör (Progressive Folk-metal)
- Lords of the Drunken Pirate Crew (Pirate/Folk-metal)
- ‡ Lothlöryen (Power/Folk-metal)
- Lou Quinse (Folk-metal)
- Lucian the Wolfbearer (Nordic Folk Influenced)
- Lugh (Celtic Punk)
- Lumsk (Folk-metal/Rock/Prog. Rock)
- ‡ Lunarium (Celtic Folk-metal)
- Lutavierje (Pagan Folk-metal)
- ‡ Lux Divina (Pagan Black Metal)
- ‡ Lyriel (Gothic/Folk-metal/Rock)
- Łysa Góra (Village-metal)