- Unnaddare -- Unni Wilhelmsen
- Unnikrishna -- Uno Detic
- Uno Dos -- Unofficial Language
- Unoficial Language -- Unplayable Sofa Guitar
- Unplugged -- Unquiet Nights
- Unquiet Void -- Unreleased Project
- Unresolved -- Unsacred Hearts
- Unsacred Seed -- Unseen Eye
- Unseen Force -- Unshakable Race
- Unshine -- Unsounds
- unsparing sea -- Unstable Ensemble
- Unstable Foundation -- Unsung Heroes
- Unsung Heroes -- Untapped Blues Festival
- Untaymed -- Unthinkables
- Untidy Dubs -- Until the Last
- Until the Tape Runs Out -- Untold Fab
- Untold Fables -- Untouchables
- Untouchables -- Unu Mondo
- Unun -- Unwanted Superheroes
- Unwarranted -- Unwritten Law
- Unwritten Pages -- U$O
- U.O. Project -- Up a Creek
- Up Above the World -- Up Hygh
- Up In Arms -- Up North Kountry Boyz
- Up Nu -- Up the Empire
- Up The Fury -- Up Yer Ronson
- Up Yer Ronson -- Upcdownc