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