| U Brown | 4 | 1977 - 1985 |
| U Roy | 5 | 1971 - 2002 |
| U Škripcu | 3 | 1983 - 1984 |
| U-Brown | 2 | 1978 - 1982 |
| The U-Men | 1 | |
| U-Roy | 9 | 1974 - 1982 |
| U. P. Wilson | 1 | 1988 |
| U. Roy | 1 | 1974 |
| The U. S. Double Quartet | 1 | 1968 |
| U.D.O. | 11 | 1987 - 2015 |
| U.F.O. | 14 | 1970 - 1981 |
| U.K. | 8 | 1978 - 1979 |
| U.K. Squeeze | 2 | 1978 - 1981 |
| U.K. Subs | 19 | 1979 - 2019 |
| The U.L.S. | 1 | 2015 |
| U.S. '69 | 1 | 1969 |
| The U.S. Air Force Band And The Singing Sergeants | 1 | |
| U.S. Apple Corps | 2 | 1970 - 1976 |
| The U.S. Army Forces Command Country And Western Music Program | 1 | 1982 |
| The U.S. Army Forces Command | 2 | 1980 |
| U.S. Bonds | 2 | 1961 |
| U.S. Radio Band | 1 | 1976 |
| U.S.S.R. Symphony Orchestra, Yevgeny Svetlanov | 2 | 1979 - 1980 |
| U.X.A. | 1 | 1981 |
| U2 | 93 | 1980 - 2021 |
| Uart Punk | 1 | 1997 |
| UB40 | 42 | 1980 - 1990 |
| Ubaldo Continiello | 1 | 1978 |
| Ubaldo Lay, Loretta Goggi | 1 | 1963 |
| Ubiquity | 1 | 1978 |
| Udi Joseph Kouyoumjian Orchestra | 1 | 1975 |
| Udo Jürgens | 77 | 1965 - 1990 |
| Udo Jürgens And Roy Black | 1 | 1982 |
| Udo Jürgens und die Fußball-Nationalmannschaft | 1 | 1990 |
| Udo Lindenberg | 38 | 1972 - 1992 |
| Udo Lindenberg And The Panic Orchestra | 1 | 1976 |
| Udo Lindenberg And The Panik Orchestra | 1 | 1977 |
| Udo Lindenberg und das Panik-Orchester | 21 | 1973 - 1985 |
| Udo Schild And Unplugged Jazzband | 1 | 2017 |
| Uel Deane | 2 | 1974 - 1979 |
| Uffa Fox | 1 | 1960 |
| Uffe | 1 | 1982 |
| Uffe Neidemar | 1 | 1972 |
| Uffe Persson | 1 | 1988 |
| UFO | 83 | 1970 - 2019 |
| Ug And The Cavemen | 2 | 1987 - 2019 |
| Ugly Custard | 1 | 1971 |
| The Ugly Ducklings | 3 | 1966 - 1982 |
| Ugly Fly Guys | 1 | 2020 |
| Ugly Kid Joe | 7 | 1991 - 2022 |
| The Ugly Kings | 4 | 2015 - 2021 |
| Ugo Calise | 1 | 1955 |
| UIC | 1 | 1989 |
| Uilab | 1 | 1998 |
| UK | 1 | 1979 |
| UK Players | 1 | 1982 |
| UK Subs | 1 | 2000 |
| The Ukrainian Bandurist Chorus | 1 | 1964 |
| Ukrainian Male Choir "Burlaka" | 1 | |
| The Ukrainian State Choir Of Bandore-Players | 1 | 1966 |
| The Ukrainian Sweethearts | 1 | |
| UKW | 1 | 1983 |
| Ulf Björlin | 1 | 1986 |
| Ulf Dageby | 1 | 1983 |
| Ulf Krüger | 1 | 1989 |
| Ulf Lundell | 8 | 1975 - 1985 |
| Ulf Lundell Och Nature | 1 | 1977 |
| Ulf Sandberg Quartet | 1 | 1993 |
| Uli Dörr | 1 | 1978 |
| Uli Jon Roth | 1 | 1985 |
| Uli Trepte | 1 | 1990 |
| Ulick O'Connor | 1 | 1969 |
| Ulla Bella | 1 | 1980 |
| Ulla Henningsen | 1 | 1992 |
| Ulla Meinecke | 3 | 1977 - 1986 |
| Ulla Neumann | 1 | 1973 |
| Ulla Och Folke Edsmyr | 1 | 1974 |
| Ulla Pia | 3 | 1969 - 1979 |
| Ulla Pia - Keld Heick | 1 | 1975 |
| Ulla Sallert | 4 | 1964 - 1979 |
| Ulla Sallert, Jarl Kulle | 1 | 1959 |
| Ulla Sallert, Lars Amble | 1 | 1973 |
| Ulla-Britt Muthas | 1 | 1985 |
| Ulla-Britt O Sven Henrikssons Dragspelskvartett | 1 | 1973 |
| Ullanda McCullough | 2 | 1981 - 1982 |
| Ulli Bäer | 1 | 1983 |
| Ulli Bögershausen | 1 | 1984 |
| Ulli Martin | 1 | |
| Ulls | 1 | 2019 |
| Ulpio Minucci Et Son Orchestre | 1 | 1955 |
| Ulrich Bremsteller, Stuttgart Chamber Orchestra, Karl Münchinger | 1 | 1978 |
| Ulrich Roski | 1 | 1973 |
| Ulrik Neumann | 1 | 1961 |
| Ulrik Remy | 1 | 1976 |
| Ulrika Spacek | 1 | 2017 |
| Ulsers | 1 | 2014 |
| Ulster Flute Band, Ulster Accordion Band, Sam Carson | 1 | 1975 |
| The Ulster Orchestra, Bryden Thomson | 1 | 1985 |
| Ulster Volunteer Force | 1 | 1975 |
| Últim Cavall | 1 | 2019 |
| Ultima Thule | 1 | 1988 |
| Ultimate | 1 | 1980 |
| Ultimate Spinach | 17 | 1968 - 2018 |
| Ultra Magnetic MC's | 1 | 1992 |
| Ultrafunk | 1 | 1977 |
| Ultraísta | 1 | 2020 |
| Ultramagnetic MC's | 1 | 1988 |
| The Ultraviolets | 2 | 1990 |
| Ultravox | 49 | 1977 - 2016 |
| Ultravox! | 10 | 1977 - 2016 |
| Ulysses Hardware | 1 | 1976 |
| Umberto Bindi | 1 | 1985 |
| Umberto Cattini, Orchestra Of The Angelicum Of Milan | 1 | 1971 |
| Umberto Da Preda | 1 | 1970 |
| Umberto Marcato | 2 | 1975 - 1991 |
| Umberto Tozzi | 11 | 1977 - 1991 |
| Umeå Big Band | 1 | 1971 |
| Umetnički Ansambl Doma JNA Beograd | 1 | 1973 |
| Umetnički Ansambl JNA, Simfonijski Orkestar Umetničkog Ansambla JNA And Mladen Jagušt | 3 | 1958 |
| Umps And Dumps | 1 | 1980 |
| Una Mentz | 4 | 1975 - 1982 |
| Una Mentz En Danie De Wet | 1 | 1974 |
| Una Stubbs | 1 | 1982 |
| The Unapproachable Slawheads | 1 | 1988 |
| Uncle Acid | 1 | 2013 |
| Uncle Acid And The Deadbeats | 1 | 2011 |
| Uncle Bill | 1 | 1968 |
| Uncle Bonsai | 1 | 1986 |
| Uncle Chapin | 1 | 1970 |
| Uncle Dave Macon | 4 | 1963 - 1987 |
| Uncle Dirty | 1 | 1971 |
| Uncle Dog | 1 | 1972 |
| Uncle Don | 1 | |
| Uncle Floyd | 1 | 1983 |
| Uncle Jan | 1 | |
| Uncle Lar' And Li'l Tommy | 1 | 1983 |
| Uncle Lar' And Li'l Tommy’s Animal Stories | 1 | 1981 |
| Uncle Lar' And Li'l Tommy’s Animal Stories - Volume II | 1 | 1982 |
| Uncle Walt's Band | 1 | |
| Uncle Willard | 1 | 1972 |
| Uncredited | 1 | 1975 |
| Undead | 1 | 1984 |
| Under Ika | 1 | 1984 |
| Under Milkwood | 1 | 1993 |
| Under Neath What | 1 | 1989 |
| Underbar Frid | 1 | 1984 |
| Undercover | 2 | 1984 - 1992 |
| The Underdogs Blues Band | 1 | 1966 |
| The Underdogs | 1 | 1970 |
| The Underground All Stars | 1 | 1969 |
| The Underground Electrics | 1 | |
| The Underground Set | 1 | 1970 |
| Underground Sunshine | 2 | 1969 |
| Underground Zero | 1 | 1985 |
| Underhållningsorkestern | 1 | 1959 |
| Underhållningsorkestern, Åke Jelving | 1 | 1968 |
| Underhållningsorkestern, Egon Kjerrman | 1 | 1969 |
| The Undertones Featuring Feargal Sharkey | 1 | 1986 |
| The Undertones | 22 | 1979 - 1994 |
| Underworld | 2 | 1988 |
| Undisputed Truth | 3 | 1973 - 1976 |
| The Undisputed Truth | 19 | 1971 - 1998 |
| UNE | 1 | 2021 |
| The Unfolding | 1 | 1967 |
| The Unforgiven | 1 | 1986 |
| Ung Pike Forsvunnet | 1 | 1982 |
| Ungdomar Från Björngårdsvillan | 1 | 1974 |
| Ungdomskoret Agape | 1 | 1978 |
| Unholy Swill | 1 | 1991 |
| União Black | 1 | 1977 |
| Unicorn | 29 | 1971 - 2018 |
| The Unifics | 1 | 1968 |
| Union | 2 | 1981 |
| Union Folk | 1 | 1971 |
| The Union Folk | 1 | 1969 |
| The Union Gap Featuring Gary Puckett | 3 | 1968 |
| The Union Gap | 2 | 1968 |
| The Uniques [Jamaica] | 2 | 1968 - 1974 |
| The Uniques | 11 | 1966 - 2009 |
| Unisono | 1 | 1975 |
| Unit 4 + 2 | 5 | 1965 - 1976 |
| Unit 4 Plus 2 | 1 | 1965 |
| Unit 5 | 1 | 1982 |
| Unit 7 Band | 1 | 1977 |
| Unit 9 | 3 | 1982 - 1984 |
| Unit Eight | 3 | 1978 - 1981 |
| Unit Five | 4 | 1978 - 1981 |
| Unit Four | 1 | 1980 |
| Unit Six | 2 | 1979 - 1981 |
| United Artists | 1 | 1971 |
| United Balls | 2 | 1981 - 1982 |
| United Blues Experience | 1 | 2012 |
| United Future Organization (U. F. O.) | 1 | 1996 |
| The United Jazz+Rock Ensemble | 1 | 1978 |
| United Nations | 1 | 1986 |
| United Singers | 2 | 1980 - 1981 |
| United Sons Of America | 2 | 1970 |
| The United States Air Force Airmen Of Note, Washington, D.C. | 1 | 1985 |
| The United States Air Force Band | 2 | 1963 - 1971 |
| The United States Air Force Military Airlift Command Band | 2 | 1987 |