- 1 USAO
- 2 UO
- 3 Uki Violeta
- 4 un:c
- 5 Uneducated Kid
- 6 Unofficialboyy
- 7 U-KWON
- 8 Uyama Hiroto
- 9 Ujico*/Snail's house
- 10 Ugly Duck
- 11 Unlimit
- 12 UNIK
- 13 unknownboy
- 14 UL (울)
- 15 UpperSwing
- 16 uAYoon
- 17 UZ
- 18 Uneasy
- 19 ultimadrap
- 20 USU Aka SQUEZ
- 21 USK
- 22 U米寇
- 23 UNLIMITED FLAVOR
- 24 Uion
- 25 Uniqnote
- 26 U-Turn
- 27 U-zhaan
- 28 Upper
- 29 UNMEEK
- 30 Up-Dawn