U

UGK (Underground Kingz)
Ugly Ducklings
U-God
Ultra (Kool Keith and Tim Dog)
UltraMagnetic M.C.'s
UMC's
Uncle Murda
Unda Presha
Unforgiven
Unit, The
United Kingdom
Unity Klan
Unk
Unknown Prophets
UNLV
Unsung Heroes
US3
UTD
UTFO