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