- Ultralord (Sludge Doom-USA)
- Ultra (Hard Rock-USA)
- Untrad (Power Metal-Japan)
- Ultrahead (Heavy Metal-USA)
- Unterwald (Black Metal-France)
- Ultrapodre (Grindcore-Portugal)
- Ultreia (Folk Metal-Spain)
- Ural (Crossover-Italy)
- Untaymed (Heavy Metal-USA)
- Urethral (Brutal Death-USA)