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