- Unlocking the Truth
- Ünloco
- Unlord
- Unlovables
- Unloved (David Holmes, Keefus Ciancia and Jade Vincent)
- Unloved feat. Raven Violet
- Ünlü
- Unlucky Morpheus
- UNLV (Miami bass group, aka Unfortunately No Longer Virgins)
- Unmack, Jens (Danish singer and songwriter)
- Unmaker (Metal band from Dublin, Ireland)
- UNMAP
- Unnatural Funk Band
- Unnies
- Unnikrishnan (South Indian Classical & Playback Singer)
- Unnikrishnan & Chithra, K. S.
- Unnikrishnan & Harini
- Unnikrishnan & Jayashri, Bombay
- Unnikrishnan & Krishnamurthy, Kavita
- Unnikrishnan & Sargam, Sadhana
- Unnikrishnan & Sujatha
- Unnikrishnan & Sujatha
- Unnikrishnan & Swarnalatha
- Unnikrishnan, Uthara (South Indian Playback Singer)
- Unno (Awir Leon, Tismé)
- Unnormal (German Schlager, Pop)
- Uno Banda
- Uno Hype
- Unofficial Utopia, The
- unofficialboyy
- Unoosha (Indian singer)
- UnoTheActivist (Atlanta rapper)
- UnoTheActivist feat. Playboi Carti
- UnoTheActivist feat. Ty Dolla Sign
- unouomedude
- Unparalleled Height
- Unpeople
- unperfect
- Unperson
- Unplugged Band, The
- UNPOC
- Unprocessed
- Unproven (Dutch hardcore dj/producer Stein Bosch)
- Unquiet Nights
- Unrelated Segments
- Unreqvited (Canadian post‐black metal/shoegaze/ambient)
- Unresolved, The (Coventry UK Band)
- Unrest (American indie rock band)
- Unrest (German Metal)
- Unruly Child (American hard rock band)
- Unryal
- UNS (German band)
- Uns e Outros
- Unsafe, Unsound
- Unsainted
- Ünsal, Hande
- Ünsal, Niran
- Unsane (US noise rock trio)
- Unsearchable Riches
- UNSECRET
- UNSECRET & Ruelle
- Unseen Guest, The
- Unseen Terror
- Unseen, The (American street punk band)
- Unsenses (Belgian hardstyle producer Gilles Gaspar)
- Unser Sandmännchen
- Unshine (druid metal)
- Unsilence
- Unsolved, The
- UNSOUND (German rock)
- Unsparing Sea
- Unspoken (American Christian band)
- Unspoken Word, The
- UnsraW
- Unstad, Tonje
- Unsteady
- Unstern, Hans
- UnSun
- Unsung Zeros
- Unswabbed (French nu-metal band)
- Untamed (German Rock Band)
- Untell
- Unter Ferner Liefen
- Unter Null (Erica Dunham)
- UnterART
- Unterbiberger Hofmusik
- Unterschicht
- Untertagen (Germand indie-rock band)
- UnterWortverdacht
- Unthank, Rachel
