- Useless Education
- United States 3
- Uri Kassyanik
- Ungdomskulen
- Un Caddie Renversé Dans L'Herbe
- Ultrabreakfast
- Unite & Conquer
- U-Brown
- Universal Order of Armageddon
- Unsung Zeros
- Ursula Burns
- Ultrahorse
- Unband
- Uptown Sinclair
- Unlimited Tradition
- U.S. Saucer
- U.N.C.L.E. Joe's Big Ol' Driver
- UnderRated
- Ugonna Okegwo
- Up the Empire
- Urethra Franklin
- Uncle Sammy
- Uptown String Quartet
- Union-Taste
- Ulrika Bodén
- Universal Stomp
- Ugly Mus-Tard
- Uvi.Lov
- Unruh
- Uncanny Alliance
- Ulf Lohmann
- Undercover Agent
- Ultime Atome
- Utopium
- Uncle Jamm's Army
- Universal Being
- Umbra
- Underwater Sleeping Society
- Uptown Horns
- Uncle Eck Dunford
- Uncle Bunt Stephens
- United Empire Loyalists
- Underdogz
- Undaboss
- U. Rajesh
- Unkut Dope