- UnsraW
- Unstable (Groupe de Deathcore Progressif Lillois)
- Unstad, Tonje
- Unsteady
- Unstern, Hans
- Unstoppable Fyah
- UnSun
- Unsung Zeros
- Unswabbed (French nu-metal band)
- Untamed (UK heavy metal band)
- Untamed (German Rock Band)
- untell
- Unter Ferner Liefen
- Unter Null (Erica Dunham)
- Unter Null & Stray
- UnterART
- Unterbiberger Hofmusik
- Untergangskommando, Das
- Unterschicht
- Untertagen (Germand indie-rock band)
- UnterWortverdacht
- Unthank, Rachel
- Unthank, Rachel & the Winterset
- Unthanks, The
- Untied Shoes (Portuguese Punk Rock Band)
- Until Death Overtakes Me
- Until December
- Until Further Notice (California punk/emo)
- Until I Wake
- Until June
- Until My Heart Beats & Quinto Atlas
- Until Rain
- Until the End (American metalcore band)
- Until the Ribbon Breaks
- Until the Ribbon Breaks & Homeboy Sandman
- Until the Ribbon Breaks & La Pardo
- Until the Ribbon Breaks & Lucius
- Until the Ribbon Breaks & Run the Jewels
- Until the Ribbon Breaks & Wilkins, Emoni
- Until the Ribbon Breaks with Homeboy Sandman
- Until the Ribbon Breaks with Lucius
- Until the Ribbon Breaks with Wilkins, Emoni
- Until They Bleed
- Until We Are Ghosts
- Until We Die
- untiljapan
- Untitled (Release artist on "Untitled" label releases)
- Untitled (Japanese idol group)
- untitled (West L.A. alt-rock band untitled taps into the raw spirit of ’90s punk, grunge, and alternative)
- untitled (halo)
- Untitled Band Project, The
- Untitled Project of Maks SF
- Unto Ashes
- Unto Others (heavy metal band from Portland, Oregon)
- Unto The Wolves
- Untold (UK electronic producer)
- Untoten
- Untouchable (Korean Hip-Hop Group)
- Untouchable 3
- Untouchables, The (DJ Wich & Rasco)
- Untouchables, The (mid 80s US ska/mod revival band)
- Untouchables, The (60s/70s UK reggae on Trojan, single "Tighten Up")
- Untouchables, The (UK drum and bass duo, Dean Vincent & Kraig Martin)
- Untouchables, The (house artist Kenny Dope)
- Untouchables, The (Belgian drum and bass duo)
- Untsakad
- Untung Sonjaya
- Unturned
- Unusual Cosmic Process (Downtempo artist)
- Unusual Demont
- Unusual Suspects (UK hip hop)
- Unveil
- Unveil The Strength
- Unverkalt
- Unviar
- UNVS
- Unwanted Superheroes
- Unwanted, The (Irish Band)
- Unwed Mothers
- Unwed Sailor
- Unwell (Ambient/drone/experimental electronic music artist Daniel Holideigh)
- UNWELL (Rock/pop-punk band)
- Unwind, DJ (American Producer & Remixer)
- Unwinding Hours, The (Scottish alternative rock band)
- UNWISH
- Unwoman
- Unword
- Unworthy (Southern California Deathcore)
- Unwound (US post‐hardcore band)
- Unwrapped (hip‐hop songs covered in jazz style)
