- Ulver
- Ulysses Rayhjann
- Umami
- Umano
- Umbanda
- Umberto Bindi
- Umberto Tozzi
- Umberto Tozzi & Lena Ka
- Umbra Et Imago
- Umbral
- Umbral Arcano
- Umbrellas
- Un Día de Octubre
- Un Final Feliz
- Un Pacto con Julieta
- Un pingüino en mi ascensor
- Un Solo Pueblo
- Un último intento
- Un Viernes de Locos
- Una de Kal
- Unandes
- Unbelievable Truth
- Uncán
- Unción Tropical
- Unclaimed Crush
- Uncle Brian
- Uncle Cracker
- Uncle Dave Macon
- Uncle Kracker
- Uncle Sam
- Uncommonmenfrommars
- Undeclinable Ambuscade
- Under Clan Crew
- Under Construction
- Under Croft
- Under Mc
- Under Rap
- Under Side 821
- Under the Flood
- Underbreed
- Underc Family
- Undercover
- Underdann
- Underdog Project, the
- Underground Bards
- Underground Music
- UnderGround Project
- Underground Rise
- Underground Velvet
- Underkill