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