- Uno Banda
- Uno Hype
- Uno Menos (Argentine rock band from Buenos Aires)
- Uno, Soui
- Unofficial Utopia, The
- unofficialboyy
- UnoMas (Miami based DJ / producer Marcos Casassa)
- Unoosha (Indian singer)
- unòrsominòre.
- Unos Panas Ahi
- UnoTheActivist (Atlanta rapper)
- UnoTheActivist feat. Playboi Carti
- UnoTheActivist feat. Ty Dolla Sign
- UnoTheActivist, Act, The
- unouomedude
- Unparalleled Height
- Unpeople
- unperfect
- unperro andaluz
- Unperson
- UNPOC
- unpolished*
- Unprocessed
- Unprocessed feat. Butler, Jason Aalon
- Unprocessed feat. Henson, Tim & Gober, Clay
- Unprocessed feat. Vincent Schmitz
- Unprocessed feat. Zelli, Marc
- Unprocessed feat. Zelli, Marc
- Unprocessed ft. Butler, Jason Aalon
- Unproven (Dutch hardcore dj/producer Stein Bosch)
- Unquiet Nights
- Unravel (French indie rock band)
- Unreal (cyber goth)
- Unreal City (Italian prog band)
- Unrelated Segments
- Unrelica
- Unreqvited (Canadian post‐black metal/shoegaze/ambient)
- Unresolved (hardstyle DJ)
- Unresolved & Aversion
- Unresolved & Cryex
- Unresolved, The (Coventry UK Band)
- Unrest (American indie rock band)
- Unrest (German Metal)
- Unroyal (former lead singer of The Score)
- Unruly Child (American hard rock band)
- Unryal
- UNS (German band)
- Uns e Outros
- Unsafe Space Garden
- Unsafe, Unsound
- Unsainted
- Ünsal, Hande
- Ünsal, Niran
- Unsane (US noise rock trio)
- unSayn
- Unsearchable Riches
- UNSECRET
- UNSECRET & Manafest
- UNSECRET & Ruelle
- UNSECRET feat. Ruelle
- UNSECRET feat. Young Summer
- UNSECRET x BELLSAINT
- UNSECRET, Adams, Chuck
- UNSECRET, Anna Mae
- UNSECRET, Layne, Ivory
- UNSECRET, Manafest
- UNSECRET, Rayelle
- UNSECRET, Tinnesz, Sam, Tedashii
- Unseen Dimensions (Javier Martinez Salinas; Psychedelic Trance / Progressive Trance project from Mexico, based in Melbourne, Australia)
- Unseen Faith
- Unseen Faith & Distant
- Unseen Guest, The
- Unseen Terror
- Unseen, The (American street punk band)
- Unseenmachine (idm/breakcore)
- Unsenses (Belgian hardstyle producer Gilles Gaspar)
- Unser Sandmännchen
- Unsere Eltern
- Unset. (US alternative metal)
- Unsettlers, The
- Unshaken (US Nu metal)
- Unshine (druid metal)
- Unsilence
- Unsleeping, The
- Unsolved, The
- UNSOUND (German rock)
- Unsparing Sea
- Unspoken (American Christian band)
- Unspoken Tradition
- Unspoken Word, The
