- 1 U2
- 2 UB40
- 3 Ummon
- 4 Us The Duo
- 5 universe
- 6 Us3
- 7 Until June
- 8 U.D.O.
- 9 Urban Cone
- 10 US5
- 11 Utah Saints
- 12 unwritten law
- 13 Union J
- 14 Urbanize
- 15 Unheilig
- 16 Unknown Brain
- 17 UGK
- 18 Udo
- 19 Underoath
- 20 Underworld
- 21 Unkle
- 22 Uakti
- 23 UFO
- 24 Ultrabeat
- 25 United Nations
- 26 unity
- 27 unknown mortal orchestra
- 28 USS
- 29 UUVVWWZ
- 30 Urstreet