- 1 U.D.O.
- 2 Udo
- 3 Und3rsound
- 4 Until I Wake
- 5 United Nations
- 6 Underoath
- 7 Unknown Brain
- 8 U2
- 9 Uusi Fantasia
- 10 UFO
- 11 Underworld
- 12 Untamed
- 13 Unity Pacific
- 14 Urban Flow
- 15 Ulv
- 16 Utmarken
- 17 Utah Saints
- 18 unwritten law
- 19 Ultra Orange
- 20 United Strings of Europe
- 21 Union Station
- 22 unity
- 23 Urbanize
- 24 Ukebox
- 25 UGK
- 26 Ummon
- 27 Upa
- 28 Ultramarine
- 29 Us The Duo
- 30 UB40