- Uruk-Hai (AUT) (Dark Ambient-Austria)
- Uruk-Hai (ESP) (Black Metal-Spain)
- Uruk-Hai (NOR) (Thrash Black-Norway)
- Urduk (Black Metal-Estonia)
- Urkaos (Black Metal-Sweden)
- Urkatu (Heavy Metal-Spain)
- Urbain (Progressive Black-USA)
- Urugia (Black Metal-Poland)
- Uraniah (Heavy Metal-Italy)
- Urudium (Heavy Metal-Japan)