- U (London-based producer and DJ, singer in BTU)
- U (Japanese singer, drummer in UNIDOTS)
- U Brown (Jamaican reggae deejay)
- U k’ayil‐kah (Canto del Pueblo)
- U Škripcu
- U Turn
- u_mä (Spanish indie pop duo)
- U-Bahn
- U-ka saegusa IN db
- U-KISS
- U-Know Yunho
- U-Manoyed
- U-Niq
- U-Tek
- U‐God
- U‐God feat. GZA/Genius & Scotty Notty
- U‐God feat. Leatha Face
- U‐God feat. Method Man
- U‐God feat. Nomadiq
- U‐Roy
- u, how r
- U;nee
- U.F.O, THEE (psychedelic rock/garage rock band)
- U.G (Leicester City MC/singer/songhwriter)
- U.K. (Italo Disco)
- U.K.N.Y.
- U.N.L.V. (hip‐hop group from New Orleans)
- U.N.V.
- U.P.I. (Unreel Productions, Inc. tracks "That String Track", "She's a freak")
- U.P.O.
- U.S (Korean Euro group)
- U.S. (a.k.a., United Soul, Funkadelic side project)
- U.S. Army Band, The & Chorus
- U.S. Army Blues, The
- U.S. Bombs
- U.S. Crush
- U.S. Girls
- U.S. Girls feat. Rault, Michael
- U.S. Girls feat. Stuart, Alanna
- U.S. Killbotics
- U.S. Maple
- U.S. Music With Funkadelic
- U.S. Navy Country Current (bluegrass quartet)
- U.S. Royalty
- U.S.D.A.
- U.S.U.R.A.
- U'Camp
- U$K¥ (french rap)
- U$O
- U$O feat. KATO
- U$O feat. KATO
- U$O feat. L.O.C.
- U$O feat. L.O.C., Johnson, Marwan, Mester Jacob, Niarn, Per Vers, Pede B, Jonny Hefty, Jode, CAS, Young, Moe, Joey, J-Spliff, Majid, Khawaja, Ataf & Tue Track
- U149
- U2 (Irish rock band)
- U2 & Cash, Johnny
- U2 & Dylan, Bob
- U2 & Freeman, Coco
- U2 & King, B.B.
- U2 & Rahman, A. R.
- U2 and Green Day
- U2 feat. Cash, Johnny
- U2 feat. Pavarotti, Luciano
- U2 featuring Pavarotti, Luciano
- U2 vs. Kygo
- U3000
- U96 (German eurodance group)
- UA (Japanese singer‐songwriter)
- UADA (Portland, OR black metal)
- Uadamen
- Uakti
- Uallacháin, Eithne Ní
- uamee (Latvian EDM)
- UANA
- UB40
- UB40 & Hynde, Chrissie
- UB40 feat. Blvk H3ro
- UB40 feat. Francis, Winston
- UB40 feat. Gilly G
- UB40 feat. House of Shem
- UB40 feat. Hynde, Chrissie
- UB40 feat. Inner Circle
- UB40 feat. Irie, Tippa
- UB40 feat. KIOKO
- UB40 feat. Saw, Lady
- UB40 feat. Slinger
- UB40 featuring Ali Campbell & Astro (Ali Campbell forms group after solo career)
- UB40 featuring Ali Campbell & Astro & Banton, Pato
- UB40 featuring Ali Campbell & Astro feat. Banton, Pato
- UB40 featuring Ali Campbell & Astro feat. Campbell, Kaya
