| Uniques |
| Unisoghn |
| Unison (Windy City G/L Chorus) |
| Unison Square Garden |
| Unit 4+2 |
| Unit: 187 |
| United Audio Singers |
| United Boys |
| United Choral Singers |
| United Colours of Sound |
| United DJ's |
| United Female Sounds Of R&B |
| United Future Organization |
| United Girls Of R&B |
| United House Of Prayer |
| United Kingdom Symphony |
| United Ladies Of Hip Hop And R&B |
| United Nations |
| United Nations Project |
| United Punks of America |
| United Sacred Harp Musical Association |
| United Sounds Orchestra |
| United State Of Hip Hop |
| United State of Mind |
| United States Air Force Band |
| United States Air Force Concert Band |
| United States Army Blues Jazz Ensemble |
| United States Navy Band |
| United States Navy Sea Chanters |
| United States Of Punk |
| United Studio Orchestra |
| United Studio Orchestra & Children's Chorus |
| United Studio Orchestra Singers |
| United Studio Party Band |
| United Studios Orchestra |
| United Voices Of R&B |
| United We Sing |
| Uniting Nations |
| Unity |
| Unity Klan |
| Unity Power |
| Universal |
| Universal |
| Universal Funk |
| Universal Hall Pass |
| Universal Order of Armageddon |
| Universal Poplab |
| Universal Sound Machine |
| Universal-International Orchestra |
| Universe |
| universe |
| University of Arizona Pep Band |
| University of Cincinnati College Conservatory of Music |
| University Of Colorado Buffoons |
| University of Delaware Deltones |
| University of Errors |
| University Of Illinois Xtension Chords |
| University of Iowa Marching Band |
| University of Kentucky Pep Band |
| University of Louisville Open World All Stars |
| University Of North Carolina At Chapel Hill's Loreleis |
| University of North Florida Jazz Ensemble |
| University of North Texas |
| University of Northern Colorado Lab Band |
| University of Northern Iowa Jazz Band One |
| University of Pittsburg Men's Glee Club |
| University of Pittsburgh Men's Glee Club |
| University Of Rochester Midnight Ramblers |
| University of Rochester YellowJackets |
| University of South Florida Jazz Ensembles |
| University of Wisconsin MadHatters |
| University of Wisconsin-Eau Claire |
| University of Wisconsin-Eau Claire Jazz Ensemble |
| Unjust |
| Unk |
| Unkle |
| Unkle Bob |
| Unkle Vandy |
| Unknown |
| Unknown Mortal Orchestra |
