| Usine C | Usine C | Canada, Montréal, 1345 Avenue Lalonde | 2003-09-02 | 2003-09-13 | 2003 | 1 | |
| Université Inter-Âges | Université Inter-Âges | France, Versailles, 6 impasse des gendarmes | 2019-06-20 | -- | 2019 | 1 | |
| Ugala Teater | Ugala Teater | Estonia, Viljandi, Vaksali 7 | 2007-05-12 | 2021-12-10 | 2007–2020 | 5 | |
| University Auditorium | University Auditorium | United States of America, Columbia, Columbia | 1920-04-05 | -- | 1920 | 1 | |
| Unitarian Assembly Theatre | Unitarian Assembly Theatre | United States of America, Minneapolis | 1928-12-12 | 1928-12-13 | 1928–1934 | 3 | |
| University of Iowa Theatre Department | University of Iowa Theatre Department | United States of America, Iowa City, 200 N Riverside Dr | 2006-09-16 | 2006-09-17 | 2006 | 1 | |
| University Of Arkansas Theatre | University Of Arkansas Theatre | United States of America | 2023-02-17 | 2023-02-26 | 2023 | 1 | |
| Union Theatre | Union Theatre | Australia, Parkville, University of Melbourne, Union House, Ground Floor, Union Rd | 1945-07-02 | -- | 1945–1947 | 2 | |
| Ullensaker Kulturhus | Ullensaker Kulturhus | Norway, Jessheim, Furusethgata 12 | 2001-11-01 | 2020-11-09 | 2001–2022 | 12 | |
| Upper Yarra Arts Centre | Upper Yarra Arts Centre | Australia, Warburton, 3409 Warburton Hwy | 2001-03-31 | 2001-08-25 | 2001 | 2 | |
| Uttam Manch | Uttam Manch | India, Kolkata, Manohar Pukur Road, Hazra | 2016-- | -- | 2016 | 1 | |
| UNRWA School | UNRWA School | Palestinian Territories, Jenin | 2008-10-09 | -- | 2008 | 1 | |
| Utstillingshallen | Utstillingshallen | Norway, Molde | 1952-03-03 | -- | 1952–1956 | 3 | |
| Ulsteinvik Samfunnshus | Ulsteinvik Samfunnshus | Norway, Ulsteinvik, Vikemyra 2 | 1961-01-28 | -- | 1961–1990 | 6 | |
| Under Bredesøylen i Mesnaelva | Under Bredesøylen i Mesnaelva | Norway, Lillehammer | 2006-03-02 | 2006-03-04 | 2006 | 1 | |
| Ukkel | Ukkel | Belgium, Ukkel | -- | -- | | | |
| Utica | Utica | United States of America, Utica | 1903-10-08 | 1903-10-08 | 1903 | 1 | |
| University of Victoria | University of Victoria | Canada, Victoria, 3800 Finnerty Rd | 2002-03-14 | 2002-03-30 | 2002 | 1 | |
| Ufa-Theater Friedrichstrasse | Ufa-Theater Friedrichstrasse | Germany, Berlin, Friedrichstrasse 180 | 1935-12-21 | -- | 1935 | 1 | |
| Ulmer Theater | Ulmer Theater | Germany, Ulm, Herb-v-Karajan-Platz 1 | 1983-06-28 | 2006-07-13 | 1983–2006 | 7 | |
| Uppsala | Uppsala | Sweden, Uppsala | 1911-07-11 | 1911-07-12 | 1911–1952 | 4 | |
| Umělecká beseda na Malé straně | Umělecká beseda na Malé straně | Czech Republic, Prague | 1940-11-16 | -- | 1940 | 1 | |
| Union, Théâtre de l' | Théâtre de l'Union | France, Limoges, 20 Rue des Coopérateurs | 2012-10-22 | 2012-10-23 | 2012 | 1 | |
| Ulsteinvik | Ulsteinvik | Norway, Ulsteinvik | 1966-04-28 | 1995-11-16 | 1966–1997 | 4 | |
| University Playhouse, Kansas City | University Playhouse, Kansas City | United States of America, Kansas City, Rockhill Road | 1974-08-08 | -- | 1974 | 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 | |
| Unterländische Volksbühne Bruchsal | Unterländische Volksbühne Bruchsal | Germany, Bruchsal | 1954-09-15 | -- | 1954 | 1 | |
| University of Minnesota | University of Minnesota | United States of America, Morris, University of Minnesota, Morris, East 4th Street, Morris, Minnesota, USA | -- | -- | | | |
| Ungarns ambassade | Ungarns ambassade | Norway, Oslo, Sophus Lies gate 3 | 1992-- | 1993-- | 1992 | 1 | |
| Umewaka nōgaku gakuin kaikan | Umewaka nōgaku gakuin kaikan (Umewaka Nohgaku Gakuin Kaikan Theater) | Japan, Tokyo, 2-6-14 Higashi-nakano, Nakano-ku | 2005-08-09 | 2008-05-31 | 2005–2013 | 4 | |
| Ulefoss samfunnshus | Ulefoss samfunnshus | Norway, Nome, Ulefossgata 2 | 1997-10-16 | -- | 1997 | 1 | |
| Utrechtse School, De | De Utrechtse School | Netherlands, Utrecht, Boorstraat 107 | 1994-12-17 | -- | 1994 | 1 | |
| Urania National Film Theatre | Urania National Film Theatre | Hungary, Budapest, Rakoczi ut. 21 | 2018-01-23 | 2018-01-23 | 2018 | 1 | |
| University of Waterloo | University of Waterloo | Canada, Waterloo, 200 University Ave W | 1963-10-22 | -- | 1963 | 1 | |
| Unterschleißheim Bürgerhaus | Unterschleißheim Bürgerhaus | Germany, Unterschleißheim, Rathausplatz 1 | 1997-10-25 | 2023-05-02 | 1997–2023 | 2 | |
| Union Theatre | Union Theatre | United States of America, Bakersfield | 1908-06-27 | 1908-06-27 | 1908 | 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 | |
| Uppsala Stadsteater | Uppsala Stadsteater | Sweden, Uppsala, Kungsgatan 53 | 1955-03-18 | 2024-11-16 | 1955–2024 | 5 | |
| Ullersmo fengsel, Krogsrud avdeling | Ullersmo fengsel, Krogsrud avdeling | Norway, Kløfta, Ullersmoveien 2 | 2012-11-14 | -- | 2012 | 2 | |
| Uffculme Village Hall | Uffculme Village Hall | England, Uffculme, Devon | 2003-03-19 | -- | 2003 | 1 | |
| Ufimskij russkij dramatičeskij teatr | Ufimskij russkij dramatičeskij teatr (Ufa Russian Dramatic Theatre) | Russia, Ufa, Ulitsa Zaki Validi, 34 | 1964-11- | -- | 1964 | 1 | |
| Unity Theatre | Unity Theatre | England, London, Goldington St | 1963-11-29 | 2008-11-01 | 1963–2008 | 2 | |
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