- ‡ Jaldaboath (Folk/Black Metal)
- Japanese Folk Metal (Folk-metal)
- ‡ Jar (Pagan/Folk-metal)
- Jarun (Progressive/Folk/Black Metal)
- Jolly Jackers (Folk/Punkrock)
- Jörmungand (Pagan/Folk-metal)
- Juha Jyrkäs (Pagan Heavy Metal)
- Julian Lehmann (Folk-infl. Epic Metal)
- Juodvarnis (Pagan Metal)