- Unknown Brain feat. Iyaz & Shiah Maisel
- Unknown Brain feat. Reynolds, Kyle
- Unknown Caller (vaporwave)
- Unknown Cases, The
- Unknown Cat (:cat2:)
- Unknown DJ, The
- Unknown Error
- Unknown Ghosts, The
- Unknown Instructors
- Unknöwn Kun
- Unknown Lyric
- Unknown Mizery
- Unknown Mortal Orchestra
- Unknown P
- Unknown Prophets
- Unknown Refuge
- Unknown Subject
- Unknown T (Grime artist)
- Unknown T feat. Adz, Young
- Unknown T feat. AJ Tracey
- Unknown T feat. Carner, Loyle
- Unknown T Feat. Digga D
- Unknown T feat. M Huncho
- Unknown T feat. Young T & Bugsey
- Unknown, Joe (UK Artist)
- Unknown, The (Cleveland punk band)
- Unknown, The (fronted by Tim Myers)
- Unknown, The (Power Metal, Connecticut, United States)
- Unkool Hillbillies, The
- UNLAME (Japanese girls group from ‘OUT OF 48’ TV Show)
- Unleash Carnage (Death Metal/Deathcore from Canada)
- Unleash the Archers
- Unleash the Sky
- Unleash the Tapir (French prog metal group)
- Unleashed (Swedish death metal band)
- Unleashed Power (US/Danish progressive thrash/power metal band)
- Unleashing the Beast
- Unless You Crave Danger
- Unlight (German black metal band)
- Unlike Pluto
- Unlike Pluto feat. Jones, Joanna
- Unlike Pluto feat. Valentine, Desi
- Unlikely Candidates, The
- Unlimited (Psytrance; Jose Luis Cruz, Ricardo Morales)
- Unlimited Beat
- Unlimited Nation
- Unlimited Stars, The (Gothic rock band from Austin)
- Unlimited Touch
- UNLIMITS
- 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
- 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
- Uno, Soui
- 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
