| Ultra Nate |
| Ultra Vomit |
| Ultrabeat |
| Ultrablue |
| Ultradance |
| Ultraista |
| Ultraje A Rigor |
| Ultramagnetic MC's |
| Ultramariini |
| Ultramarine |
| UltraMax |
| Ultraspank |
| Ultraviolence |
| Ultraviolet Eye |
| Ultraviolet Sound |
| Ultravox |
| Ultravox & Midge Ure |
| Uluwehi Guerrero |
| Ulvaeus, Björn |
| Ulver |
| Ulysses |
| Um |
| Uman |
| Umaporn |
| Umarul |
| Umberto Echo |
| Umberto Maria Giardini |
| Umberto Petrin |
| Umberto Tozzi |
| Umboza |
| Umbra et Imago |
| Umbrellas |
| UMIE AIDA |
| Ummet Ozcan |
| Umphrey's McGee |
| Umphreys McGee |
| Umpteen Trombones |
| Umse |
| Un |
| Un Casa |
| Un Kasa |
| Un'Ottava Sottosopra |
| Un-Cut |
| Una |
| Una Healy |
| Una Mae Carlisle |
| Una Mae Carlisle & Her Jam Band |
| Una Merkel |
| Una Sand |
| Unaffiliated |
| UnAmerican |
| Unantastbar |
| Unashamed |
| UNB |
| Unbelievable Truth |
| Unborde All Stars |
| Unbroken |
| Unbroken Shards |
| Uncertain |
| Unción Tropical |
| Uncle B. |
| Uncle Birmy's Dirty Foot Choir |
| Uncle Bonsai |
| Uncle Charlie Wilson |
| Uncle Chucc |
| Uncle Chuce |
| Uncle Chuck |
| Uncle Dave Macon |
| Uncle Dirty Toes |
| Uncle Earl |
| Uncle Ezra Ray |
| Uncle Festive |
| Uncle Fucker |
| Uncle George |
| Uncle Ho |
| Uncle Howie |
| Uncle Jim |
| Uncle Kracker |
| Uncle Lucius |
| Uncle Luke |
