- 1 unwritten law
- 2 uns
- 3 Untamed
- 4 Underworld
- 5 Ultrabeat
- 6 Utah Saints
- 7 Unity Pacific
- 8 Unheilig
- 9 Unknown Brain
- 10 Udo
- 11 UB40
- 12 Utmarken
- 13 Unashamed
- 14 Us3
- 15 Ummon
- 16 UFO
- 17 Ulv
- 18 United States Marine Band
- 19 Ultimate Spinning Workout
- 20 Up To Eleven
- 21 Upa
- 22 unknown mortal orchestra
- 23 Unbreakable
- 24 Uncommonmenfrommars
- 25 Ultramarine
- 26 Uusi Fantasia
- 27 U2
- 28 Union Station
- 29 UnitedEra
- 30 United Strings of Europe