- Uneducated Kid feat. Changmo
- Uneducated Kid feat. Jay Park & Paul Blanco
- Uneducated Kid feat. Paul Blanco & Jay Park
- Uneducated Kid feat. The Quiett
- Unending Thread, The
- Unendlich (USA black metal)
- Uner (DJ & producer)
- Üner, Ersay
- Unessential Oils
- Uneven Structure
- Uneven, The
- Unexist (Italian hardcore DJ and producer Francesco Iapicca)
- Unexist feat. Satronica
- Unextraordinary Gentlemen
- UnFaced
- Unfactory
- Unfaithful Ways, The
- unfamouslouie (french beatmaker)
- Unfathomable Ruination
- unfavorite
- Unfinished Sympathy, The
- Unfinished Thought
- Unflesh
- Unflirt
- Unfoonk
- Unfoonk ft. 24Heavy & Slimelife Shawty
- Unforeseen
- Unforged
- Unforscene (British band, Ben Bower, Benji Muscat, Will Bower)
- Unfortunate Sons
- Unfound Reliance (Swedish Melodic Death Metal and Metalcore Band)
- Unfun (punk rock band)
- Unfyros (Black Metal from Finland)
- Unga, Jordis
- Ungar, Jay & Mason, Molly
- Ungar, Melanie
- Ungar, Ruth
- Ungar, Shmueli (An American Hasidic singer, songwriter and entertainer)
- Ungdomskulen
- Unge Ferrari (Norwegian hip hop)
- Ungemach
- Unger, Flo
- Unger, Justin
- Unger, Remy (Dutch Progressive-House DJ & Producer)
- Unglued (drum & bass artist; Joshua Brown)
- Unglued feat. Durin, Esther
- Unglued feat. Warren, Collette
- Ungods
- Ungu
- Unguided, The
- Unguided, The feat. Kürsch, Hansi
- Unguided, The feat. Zardonic
- Unhappily Ever Now
- Unheilig
- Unheilig & Fischer, Helene
- Unheilig feat. Bourani, Andreas
- Unheilig feat. Fischer, Helene
- Unheilig feat. Licky
- Unheilig feat. Naidoo, Xavier
- Unherz
- Unhindered
- Unhinge
- Unhold
- Unholy (Finnish doom metal)
- Unholy Desecration
- Unholy Ghost
- Unholy Grave
- Unhuman (Canadian death metal band)
- UNI and the Urchins
- UNI.T
- UniChØrd (D4DJ)
- Unico (Tallahassee, FL bog metal band)
- UNICORN (Japanese rock band)
- Unicorn (’70s rock group, UK)
- Unicorn Academy
- Unicorn Heads
- Unicorn Kid
- Unicorn Kid feat. Talk to Animals
- Unicorn on Ketamine
- Unicorns, The
- Unicq
- Unida
- Unidad Alavesa
- Unidad Trauma
- Unifaun
- Unifics, The (soul group)
- Unified Highway
- Unified Theory (ex-Blind Melon and ex-Pearl Jam alternative rock super group)
- Unifier
- Uniform (industrial/noise rock duo from New York City)
