- Rabenschrey (Medieval Rock)
- ‡ Rabenwolf (Folk-metal)
- Rådarna (Troll-metal)
- ‡ Radgorath (Extreme Folk-metal)
- Radogost (Folk-metal)
- Ragnaröek (Folk/Gothic Metal)
- ‡ Rakoth (Epic Black/Doom/Folk Metal)
- ‡ Rannoch Moor (Celtic Pagan Folk-metal)
- ‡ Rarog (Progressive Pagan Folk-metal)
- Rats (Celtic Punk)
- ‡ Raud-Ants (Pagan Folk-metal)
- ‡ Rauta (Folk-metal)
- ‡ Ravenage (Folk/Melodic Death Metal)
- Ravn (Folk-metal)
- ‡ Raza Truncka (Folk-metal)
- ‡ Rdyany Vran Dawn (Pagan Folk-metal)
- The Real McKenzies (Scottish Punk)
- Remember Twilight (Folk-metal)
- ‡ Rhovanion (Folk-metal/Folk Punk)
- ‡ Rimmersgard (Folk-metal)
- Ritva Nero (Party Folk-metal)
- ‡ Rivendell (Melodic Folk-metal)
- ‡ Rivendell (Folk infl. Black metal)
- ‡ Rodogost (Pagan/Folk-metal)
- ‡ Rogatiy Kolokol (Folk-metal)
- The Rogues from County Hell (Irish Folk Punk)
- Romuvos (Epic Folk/Viking Metal)
- Rossomahaar (Folk/Trash-metal)
- Roughneck Riot (Folkpunk)
- The Royal Spuds (Folkpunk)
- ‡ Ruevit (Pagan/Folk-metal)
- ‡ Rum (Folk-metal)
- Rumahoy (Pirate Metal)
- The Rumjacks (Celtic Punk)
- ‡ Rumproof (Pirate Metal)
- ‡ Runecaster (Folk-metal)
- Runika (Folk-metal)
- Ruyan (Folk-metal)
- Rvi Mehka (Folk-metal)