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