- Underwater Pilots
- Underwater, The (US alt rock band)
- Underwhelmed
- UnderWill
- Underwing
- Underwood
- Underwood, Carrie
- Underwood, Carrie & Dan + Shay
- Underwood, Carrie & Legend, John
- Underwood, Carrie & Moyer, Stephen
- Underwood, Carrie & Rinehart, Ariane
- Underwood, Carrie & Travis, Randy
- Underwood, Carrie duet with Paisley, Brad
- Underwood, Carrie feat. Ludacris
- Underwood, Carrie feat. Sons of Sylvia
- Underwood, Carrie feat. Travis, Randy
- Underwood, Carrie feat. Winans, CeCe
- Underwood, Carrie featuring Fisher, Isaiah
- Underwood, Carrie with Gill, Vince
- Underwood, Carrie with Legend, John
- Underwood, John (multi-instrumentalist and one man band)
- Underwood, Scott (Christian singer)
- Underworld (UK electronic music group)
- Underworld (Italian DJ/producer Carlo Prevale)
- Underworld / Fatboy Slim
- Underworld & Pop, Iggy
- Underworld & Yared, Gabriel
- Undeserving, The
- Undinyx
- Undisputed Truth, The
- Undivine, The (Finnish death metal & hardcore punk band)
- Undo (Scottish rock band)
- UNDO (Vaporwave producer)
- Undo K From Hot
- Undoer
- Undrask
- Undrop
- Undurskin (UK hardcore band)
- Undying (American metalcore band)
- Undying Inc (Metal band from New Delhi, India)
- Undying Mynd
- Une Bonne Soirée
- Une Misère
- Unearth (metalcore band from Boston, MA)
- Unearthly (Brazillian Blackened Death Metal Band)
- Unearthly Trance
- Uneducated Kid (Korean rapper)
- Uneducated Kid feat. CHANGMO
- Uneducated Kid feat. Northfacegawd
- Uneducated Kid feat. Park, Jay & Paul Blanco
- Uneducated Kid feat. Paul Blanco & Park, Jay
- Uneducated Kid feat. Quiett, The
- Unending Thread, The
- Unendlich (USA black metal)
- Üner, Ersay
- Unessential Oils
- Uneven Structure
- Uneven, The
- Unexist (Italian hardcore DJ and producer Francesco Iapicca)
- Unexist feat. Satronica
- Unexpect
- Unextraordinary Gentlemen
- UnFaced
- Unfactory
- Unfaithful Ways, The
- unfamouslouie (french beatmaker)
- Unfarben
- Unfathomable Ruination
- UnFauno
- Unfawler
- 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 (American Hasidic singer, songwriter and entertainer)
- Ungdomskulen
- Unge Ferrari (Norwegian hip hop)
