| Ushigome, Koto Engekikan Hall | Ushigome, Koto Engekikan Hall (Ushigome High Performing Arts Center) | Japan, Tokyo | 1912-01-30 | 1912-01-31 | 1912 | 1 | 1 |
| Uppsala | Uppsala | Sweden, Uppsala | 1911-07-11 | 1911-07-12 | 1911–1952 | 4 | |
| Union Theater | Union Theater | United States of America, Madison, 800 Langdon St | 1950-05-02 | -- | 1950 | 1 | |
| Ufimskij russkij dramatičeskij teatr | Ufimskij russkij dramatičeskij teatr (Ufa Russian Dramatic Theatre) | Russia, Ufa, Ulitsa Zaki Validi, 34 | 1964-11- | -- | 1964 | 1 | |
| Ulmer Theater | Ulmer Theater | Germany, Ulm, Herb-v-Karajan-Platz 1 | 1983-06-28 | 2006-07-13 | 1983–2006 | 7 | |
| Ungdomsskolen | Ungdomsskolen | Norway, Leikanger, Kyrkjevegen 6 | 1969-10-03 | 1969-10-04 | 1969 | 1 | |
| Ulsteinvik | Ulsteinvik | Norway, Ulsteinvik | 1966-04-28 | 1995-11-16 | 1966–1997 | 4 | |
| Union Theatre | Union Theatre | England, London, 204 Union St | 2003-03-25 | 2019-02-02 | 2003–2019 | 2 | |
| Ukranian Orthodox Centre | Ukranian Orthodox Centre | Canada, Kamloops | 1978-01-31 | -- | 1978 | 1 | |
| Undercoft | The Undercroft | England, Peterborough | 2023-03-28 | 2023-04-01 | 2023 | 1 | |
| Ungarns ambassade | Ungarns ambassade | Norway, Oslo, Sophus Lies gate 3 | 1992-- | 1993-- | 1992 | 1 | |
| Universidad del Claustro de Sor Juana | Universidad del Claustro de Sor Juana | Mexico, Mexico City, José María Izazaga 92, Centro Histórico, Cuauhtémoc | 2006-04-09 | 2006-08-30 | 2006 | 1 | |
| Umeås Theater | Umeås Theater | Sweden, Umeå | 1885-06-12 | -- | 1885 | 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 | |
| University of Montana | University of Montana | United States of America, Missoula, 32 Campus Drive | 1972-10-21 | 1972-10-24 | 1972 | 1 | |
| Ulefoss samfunnshus | Ulefoss samfunnshus | Norway, Nome, Ulefossgata 2 | 1997-10-16 | -- | 1997 | 1 | |
| University of Utah | University of Utah | United States of America, Salt Lake City, Presidents Circle | 1909-11-23 | 1909-11-23 | 1909 | 1 | |
| Ullersmo fengsel, Krogsrud avdeling | Ullersmo fengsel, Krogsrud avdeling | Norway, Kløfta, Ullersmoveien 2 | 2012-11-14 | -- | 2012 | 2 | |
| University Theatre | University Theatre | United States of America, New Haven, 222 York Street | 2014-02-01 | 2022-10-28 | 2014–2022 | 2 | |
| Undermain Theatre | Undermain Theatre | United States of America, Dallas, 3200 Main St | 2018-11-07 | 2021-06-13 | 2018–2021 | 2 | |
| Uppsala Stadsteater | Uppsala Stadsteater | Sweden, Uppsala, Kungsgatan 53 | 1955-03-18 | 2013-05-08 | 1955–2013 | 4 | |
| Užhorod | Užhorod | Ukraine, Užhorod | 1911-10-21 | 1911-11-04 | 1911–1941 | 7 | |
| Unity Theatre | Unity Theatre | England, London, Goldington St | 1963-11-29 | 2008-11-01 | 1963–2008 | 2 | |
| University Theatre | University Theatre | United States of America, Iowa City, University of Iowa | 1937-02-22 | 1965-04-03 | 1937–1965 | 3 | |
| Ushigome geijutsu kurabu | Ushigome geijutsu kurabu (Ushigome Art Club) | Japan, Tokyo | 1918-04-21 | 1918-04-22 | 1918 | 1 | |
| 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 | |
| Usine, Théâtre de l' | Théâtre de l'Usine | France, Éragny-sur-Oise, 33 Chemin d'Andrésy | 2017-01-20 | 2017-01-22 | 2017 | 1 | |
| Utiel | Utiel | Spain, Utiel | 2010-09-10 | -- | 2010 | 1 | |
| University Theatre | University Theatre | United States of America, Sacramento, 6000 J Street Shasta Hall | 2004-11-05 | 2004-11-14 | 2004 | 1 | |
| Ussel - Château de la Diège | Ussel - Château de la Diège | France | 2023-07-30 | 2023-07-21 | 2023 | 1 | |
| University of Calgary - Department of Drama | University of Calgary, Department of Drama | Canada, Calgary, Craigie Hall 2500 University Drive NW | 1975-02-26 | 1978-03-18 | 1975–1978 | 2 | |
| Underhuset fritidsklubb | Underhuset fritidsklubb | Norway, Drøbak | 2001-10-30 | -- | 2001 | 1 | |
| University Auditorium, Nnamdi Azikiwe University | University Auditorium, Nnamdi Azikiwe University | Nigeria, Awaka | 2002-09-11 | 2002-09-11 | 2002 | 1 | |
| University of Southern Maine | University of Southern Maine | United States of America, Gorham | 1986-04-11 | 1986-04-12 | 1986 | 1 | |
| Universitetsbiblioteket i Oslo (UiO) | Universitetsbiblioteket i Oslo (UiO) | Norway, Oslo, Moltke Moes vei 39 | 2008-02-29 | -- | 2008 | 1 | |
| USF Verftet | USF Verftet | Norway, Bergen, Georgernes Verft 12 | 1985-03-28 | 2011-07-09 | 1985–2011 | 8 | |
| Uddevalla | Uddevalla | Sweden, Uddevalla | 1991-04-02 | 1991-04-03 | 1991 | 1 | |
| Ulstein ungdomsskule | Ulstein ungdomsskule | Norway, Ulsteinvik, Bakkegata 31 | 2006-10-02 | -- | 2006 | 1 | |
| UIC Theatre | UIC Theatre | United States of America, Chicago, 1044 W Harrison St | 2010-10-01 | 2010-10-10 | 2010 | 1 | |
| Utställningen i Arvika | Utställningen i Arvika | Sweden, Arvika | 1911-06-27 | 1911-06-28 | 1911 | 1 | |
| Ungdomshuset | Ungdomshuset | Norway, Fiskåbygd | 1952-03-01 | -- | 1952 | 1 | |
| Ul'ânovskij dramatičeskij teatr im. I. A. Gončarova | Ul'ânovskij dramatičeskij teatr im. I. A. Gončarova (Goncharov Ulyanovsk Drama Theatre) | Russia, Ulyanovsk, Spasskaya Ulitsa, 12А, Ulyanovsk | 1940-10- | -- | 1940–1990 | 2 | |
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