- 1 U2
- 2 Us The Duo
- 3 Until June
- 4 Union J
- 5 Unkle
- 6 Unknown Brain
- 7 Urban Cone
- 8 UPTOWN BOYBAND
- 9 UB40
- 10 Until I Wake
- 11 Ummon
- 12 Underoath
- 13 Urbanize
- 14 UFO
- 15 unknown mortal orchestra
- 16 US5
- 17 Unconditional
- 18 U.D.O.
- 19 Ut
- 20 Ukraine National Symphony Orchestra
- 21 Unashamed
- 22 United States of Beta
- 23 Urbandub
- 24 Ultra Orange
- 25 Uusi Fantasia
- 26 Urband 5
- 27 United States Army Field Band
- 28 U'Moon
- 29 Ukebox
- 30 Unyielding Love