- Ultramen
- Ultrasonic
- Ultraspank
- Ultravox!
- Ultraworld
- Ulver
- Ulysses
- Uma Thurman
- Uma Thurman & David Carradine & Julie Dreyfus
- Umberto Bindi
- Umberto Fiorentino, Fabio Zeppetella
- Umberto Giordano
- Umberto Marcato
- Umberto Tozzi
- Umberto Tozzi & Marco Masini
- Uminski
- Ümit Sayin
- Umkulu
- UMO Jazz Orchestra and Lintinen, Kirmo (conductor)
- Ums
- Un Festín Sagital
- Un Hombre Solo
- Un Homme Et Une Femme
- Un maillot pour la vie
- Un Pinguino En Mi Ascensor
- Un-Cut
- Una Mas
- Unai
- Unarazza
- Unathi
- Unauthorized Booty Mix
- Unbelievable Truth
- Uncle Carl
- Uncle Kracker
- Uncle Sam
- Uncle Tupelo
- Uncolored Wishes
- Uncommonmenfrommars
- Undeclinable Ambuscade
- UNDEE & Todd Q-NRT
- Under Byen
- Under Sound
- Under the Influence
- Under the Influence of Giants
- Under The Stars
- Under the Sun
- UNDER17
- Underground Bass Masters
- Underground Dance Artists United for Life
- Underground Kingz
- Underground Lovers
- Underground Moon
- Underground Solution
- Underground Solution feat Jasmine
- Underminded
- Underoath
- Undertakers
- UnderTone
- Underwater
- Underwires
- Underworld
- Undies Kissing Girls
- Undisputed Truth
- Undoo
- Undrop
- Une époque formidable
- Unearth
- Unemployed Ministers
- Uneven
- uneXpect
- Unheilig
- Unholy Matrimony
- unicorn table
- Uniform
- Uniklubi
- Union
- Union 13
- Union Jack
- Union Of A Man And A Woman
- Union, La
- Uniplux
- Unique
- Unit 5
- United Flavour
- United Future Organization
- United Peace Voices
- United Soul
- United State Of House
- united states of belt
- United Suntec Artists
- Uniting Nations
- Universal Hall Pass
- Universal Principles
- University Of Manitoba Singers
- University of Rochester Yellowjackets
- University of Wisconsin Madhatters
- UNKLE
- UNKLEJAM
- Unknown
- Unknown Source