| University of Wisconsin - Green Bay | University of Wisconsin - Green Bay | United States of America, Green Bay, 2420 Nicolet Dr | 2008-02-29 | 2008-03-07 | 2008 | 1 | |
| University Playhouse, Arizona State University | University Playhouse, Arizona State University | United States of America, Tempe, 1001 S Forest Mall | 1963-02-13 | 1963-02-22 | 1963 | 1 | |
| University Playhouse, Kansas City | University Playhouse, Kansas City | United States of America, Kansas City, Rockhill Road | 1974-08-08 | -- | 1974 | 1 | |
| University Theatre | University Theatre, Department of Theatre and Dance | United States of America, Boulder, 261 UCB | 1947-01-30 | 2017-11-12 | 1947–2017 | 4 | |
| University Theatre | University Theatre | United States of America, Iowa City, University of Iowa | 1937-02-22 | 1965-04-03 | 1937–1965 | 3 | |
| University Theatre | University Theatre | United States of America, Sacramento, 6000 J Street Shasta Hall | 2004-11-05 | 2004-11-14 | 2004 | 1 | |
| University Theatre | University Theatre | United States of America, New Haven, 222 York Street | 2014-02-01 | 2022-10-28 | 2014–2022 | 2 | |
| University Theatre | University Theatre | United States of America, Washington D.C., The Catholic University of America | 1965-03-19 | 1965-04-03 | 1965 | 1 | |
| University Theatre at UGA | University Theatre at UGA | United States of America, Athens, Corner of Lumpkin and Baldwin | 1970-11-18 | 1970-11-21 | 1970 | 1 | |
| University Theatre University of Minnesota, The | The University Theatre University of Minnesota | United States of America, Minneapolis | 1934-07-05 | 1934-07-07 | 1934 | 1 | |
| University Theatre, Bascom Hall | University Theatre, Bascom Hall | United States of America, Madison | 1935-11-04 | -- | 1935 | 2 | |
| University Theatre, Indiana University | University Theatre, Indiana University | United States of America, Bloomington, 275 North Jordan Avenue | 1963-11-04 | 2019-11-17 | 1963–2019 | 5 | |
| University Theatre, University of Arizona | University Theatre, University of Arizona (University Theatre) | United States of America, Tucson | 1963-04-30 | 1963-05-04 | 1963 | 1 | |
| University Theatre, University of Calgary | The University Theatre, University of Calgary | Canada, Calgary | 1970-02-11 | 1970-02-15 | 1970 | 1 | |
| University Theatre, University of California | University Theatre, University of California | United States of America, Davis | 1979-03-15 | 1981-05-30 | 1979–1981 | 2 | |
| University Workshop Theatre, Louisiana State University | University Workshop Theatre, Louisiana State University | United States of America, Baton Rouge | 1947-04-24 | 1947-04-26 | 1947 | 1 | |
| UNRWA School | UNRWA School | Palestinian Territories, Jenin | 2008-10-09 | -- | 2008 | 1 | |
| Unteatru | Unteatru | Romania, Bucharest, Str. Sfintii Apostoli, nr. 44 | 2017-05-30 | 2020-01-29 | 2017–2019 | 7 | |
| Unterländische Volksbühne Bruchsal | Unterländische Volksbühne Bruchsal | Germany, Bruchsal | 1954-09-15 | -- | 1954 | 1 | |
| Unterschleißheim Bürgerhaus | Unterschleißheim Bürgerhaus | Germany, Unterschleißheim, Rathausplatz 1 | 1997-10-25 | 2023-05-02 | 1997–2023 | 2 | |
| Up at the Stables | Up at the Stables | England, Manchester | 1974-05-13 | 1974-05-18 | 1974 | 1 | |
| Upper Yarra Arts Centre | Upper Yarra Arts Centre | Australia, Warburton, 3409 Warburton Hwy | 2001-03-31 | 2001-08-25 | 2001 | 2 | |
| Uppingham Theatre | Uppingham Theatre | England, Oakham, Leicestershire, 32 Stockerston Road, Uppingham | 2014-01-31 | 2014-10-17 | 2014 | 2 | |
| Uppsala | Uppsala | Sweden, Uppsala | 1911-07-11 | 1911-07-12 | 1911–1952 | 4 | |
| Uppsala Stadsteater | Uppsala Stadsteater | Sweden, Uppsala, Kungsgatan 53 | 1955-03-18 | 2024-11-16 | 1955–2024 | 5 | |
| Upsala Teater | Upsala Teater | Sweden, Uppsala | 1871-11-21 | 1905-03-16 | 1871–1905 | 9 | |
| Upsala-Gävle stadsteater | Upsala-Gävle stadsteater | Sweden, Gävle, Teaterplan 1 | 1955-04-12 | -- | 1955–1987 | 4 | |
| Upstairs at the Gatehouse | Upstairs at the Gatehouse | England, London, Highgate Village | 2015-10-13 | 2015-10-17 | 2015 | 1 | |
| Ural'sk | Ural'sk | Russia, Ural'sk | -- | -- | | 1 | |
| Urania National Film Theatre | Urania National Film Theatre | Hungary, Budapest, Rakoczi ut. 21 | 2018-01-23 | 2018-01-23 | 2018 | 1 | |
| Urquiza | Urquiza | Uruguay, Montevideo | 1907-10-10 | -- | 1907 | 1 | |
| USF Verftet | USF Verftet | Norway, Bergen, Georgernes Verft 12 | 1985-03-28 | 2011-07-09 | 1985–2011 | 8 | |
| Ushigome geijutsu kurabu | Ushigome geijutsu kurabu (Ushigome Art Club) | Japan, Tokyo | 1918-04-21 | 1918-04-22 | 1918 | 1 | |
| Ushigome kaikan | Ushigome kaikan (Ushigome Kaikan Hall) | Japan, Tokyo | 1924-02-07 | 1924-02-14 | 1924 | 1 | |
| Ushigome, Koto Engekikan Hall | Ushigome, Koto Engekikan Hall (Ushigome High Performing Arts Center) | Japan, Tokyo | 1912-01-30 | 1912-01-31 | 1912 | 1 | 1 |
| Usine C | Usine C | Canada, Montréal, 1345 Avenue Lalonde | 2003-09-02 | 2003-09-13 | 2003 | 1 | |
| Usine, Théâtre de l' | Théâtre de l'Usine | France, Éragny-sur-Oise, 33 Chemin d'Andrésy | 2017-01-20 | 2017-01-22 | 2017 | 1 | |
| Ussel - Château de la Diège | Ussel - Château de la Diège | France | 2023-07-30 | 2023-07-21 | 2023 | 1 | |
| Ustinov Studio | Ustinov Studio | England, Bath, Sawclose, (Behind the Theatre Royal) | 1999-07-01 | 1999-07-03 | 1999 | 1 | |
| Utansjö | Utansjö | Sweden, Utansjö | 1989-10-01 | 1989-10-01 | 1989 | 1 | |
| Utgard fleirbrukshus | Utgard fleirbrukshus | Norway, Lom, Bergomsvegen 41 | 2015-10-08 | 2015-10-08 | 2015–2017 | 2 | |
| Utica | Utica | United States of America, Utica | 1903-10-08 | 1903-10-08 | 1903 | 1 | |
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