- 1 U2
- 2 universe
- 3 Ummon
- 4 UGK
- 5 Udo
- 6 Until June
- 7 Underoath
- 8 Urbanize
- 9 Union J
- 10 Utah Saints
- 11 Underworld
- 12 UB40
- 13 Unheilig
- 14 Unkle
- 15 Uakti
- 16 UFO
- 17 Ultrabeat
- 18 United Nations
- 19 unity
- 20 unknown mortal orchestra
- 21 unwritten law
- 22 Urban Cone
- 23 USS
- 24 UUVVWWZ
- 25 Until We Are Ghosts
- 26 Underskyes
- 27 Urstreet
- 28 Us3
- 29 US5
- 30 Untamed