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