- 1 um-hum
- 2 Untouchable
- 3 UNTIL'D ASH
- 4 UPGRADE MOUNTAINS
- 5 UpTown
- 6 UNBS
- 7 UQiYO
- 8 UNIDOTS
- 9 UDTT
- 10 Urban Daisy
- 11 UTAKATA
- 12 UVERworld
- 13 UKISS
- 14 UV
- 15 UnderRock19
- 16 UnderThePeace
- 17 UNIONE
- 18 UNISON SQUARE GARDEN
- 19 uBEAT
- 20 Up Star
- 21 UNIS
- 22 UNICORN
- 23 UNDEAD
- 24 Ubiquitous
- 25 Unlimited tone