| Ulricehamn | Ulricehamn | Sweden, Ulricehamn | 1989-11-24 | 1989-11-24 | 1989–1993 | 2 | |
| Ukranian Orthodox Centre | Ukranian Orthodox Centre | Canada, Kamloops | 1978-01-31 | -- | 1978 | 1 | |
| Universitetsbiblioteket i Oslo (UiO) | Universitetsbiblioteket i Oslo (UiO) | Norway, Oslo, Moltke Moes vei 39 | 2008-02-29 | -- | 2008 | 1 | |
| Újpest | Újpest | Hungary, Budapest, Újpest | 1912-11-01 | -- | 1912–1913 | 2 | |
| Unitarian Universalist Church of Raleigh | Unitarian Universalist Church of Raleigh | United States, Raleigh, 3313 Wade Ave | 2013-04-12 | 2013-04-13 | 2013 | 1 | |
| Ungarns ambassade | Ungarns ambassade | Norway, Oslo, Sophus Lies gate 3 | 1992-- | 1993-- | 1992 | 1 | |
| Uljanovskij dramatičeskij teatr | Uljanovskij dramatičeskij teatr | Russia, Uljanovsk | 1940-10- | -- | 1940–1990 | 2 | |
| University of Freiburg Aula | University of Freiburg Aula | Germany, Freiburg | 2002-12-12 | -- | 2002 | 1 | |
| Utansjö | Utansjö | Sweden, Utansjö | 1989-10-01 | 1989-10-01 | 1989 | 1 | |
| University of Texas, The | The University of Texas | United States, Austin, 1 University Station | 1911-02-01 | 1911-02-01 | 1911 | 1 | |
| Ulefoss samfunnshus | Ulefoss samfunnshus | Norway, Nome, Ulefossgata 2 | 1997-10-16 | -- | 1997 | 1 | |
| Uusi Teatteri | Uusi Teatteri | Sweden, Stockholm, Västmannagatan 56 | 1898-- | -- | 1898–1916 | 2 | |
| University Theatre at UGA | University Theatre at UGA | United States, Athens, Corner of Lumpkin and Baldwin | 1970-11-18 | 1970-11-21 | 1970 | 1 | |
| University of Wisconsin - Green Bay | University of Wisconsin - Green Bay | United States, Green Bay, 2420 Nicolet Dr | 2008-02-29 | 2008-03-07 | 2008 | 1 | |
| Upsala Stadsteater | Upsala Stadsteater | Sweden, Gävle, Teaterplan 1 | 1955-04-12 | -- | 1955–1987 | 4 | |
| Ullersmo fengsel, Krogsrud avdeling | Ullersmo fengsel, Krogsrud avdeling | Norway, Kløfta, Ullersmoveien 2 | 2012-11-14 | -- | 2012 | 2 | |
| Ushigome Geijutsu Club | Ushigome Geijutsu Club | Japan, Tokyo | 1918-04-21 | 1918-04-22 | 1918 | 1 | |
| Unteatru | Unteatru | Romania, Bucharest, Str. Sfintii Apostoli, nr. 44 | 2017-05-30 | 2020-01-29 | 2017–2019 | 7 | |
| University Theatre | University Theatre, Department of Theatre and Dance | United States, Boulder, 261 UCB | 1947-01-30 | 2017-11-12 | 1947–2017 | 4 | |
| University Playhouse, Arizona State University | University Playhouse, Arizona State University | United States, Tempe, 1001 S Forest Mall | 1963-02-13 | 1963-02-22 | 1963 | 1 | |
| Ugala Teater | Ugala Teater | Estonia, Viljandi, Vaksali 7 | 2007-05-12 | 2011-05-16 | 2007–2010 | 3 | |
| Union Theatre | Union Theatre | Australia, Parkville, University of Melbourne, Union House, Ground Floor, Union Rd | 1945-07-02 | -- | 1945–1947 | 2 | |
| Umstead Park UCC | Umstead Park UCC | United States, Raleigh, 8208 Brownleigh Dr | 2018-10-19 | 2018-10-28 | 2018 | 1 | |
| Ungdomsskolen | Ungdomsskolen | Norway, Leikanger, Kyrkjevegen 6 | 1969-10-03 | 1969-10-04 | 1969 | 1 | |
| Union Theater | Union Theater | United States, Madison, 800 Langdon St | 1950-05-02 | -- | 1950 | 1 | |
| Union Theatre | Union Theatre | England, London, 204 Union St | 2003-03-25 | 2019-02-02 | 2003–2019 | 2 | |
| Underhuset fritidsklubb | Underhuset fritidsklubb | Norway, Drøbak | 2001-10-30 | -- | 2001 | 1 | |
| Université Populaire du Faubourg Saint-Antoine | Université Populaire du Faubourg Saint-Antoine | France, Paris, 157 rue du Faubourg Saint-Antoine | 1908-10-04 | -- | 1908 | 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 | |
| Ulsteinvik Samfunnshus | Ulsteinvik Samfunnshus | Norway, Ulsteinvik, Vikemyra 2 | 1961-01-28 | -- | 1961–1990 | 6 | |
| Ulstein ungdomsskule | Ulstein ungdomsskule | Norway, Ulsteinvik, Bakkegata 31 | 2006-10-02 | -- | 2006 | 1 | |
| Utställningen i Arvika | Utställningen i Arvika | Sweden, Arvika | 1911-06-27 | 1911-06-28 | 1911 | 1 | |
| University of Southern Maine | University of Southern Maine | United States, Gorham | 1986-04-11 | 1986-04-12 | 1986 | 1 | |
| University of Montana | University of Montana | United States, Missoula, 32 Campus Drive | 1972-10-21 | 1972-10-24 | 1972 | 1 | |
| University of Utah | University of Utah | United States, Salt Lake City, Presidents Circle | 1909-11-23 | 1909-11-23 | 1909 | 1 | |
| Ulmer Theater | Ulmer Theater | Germany, Ulm, Herb-v-Karajan-Platz 1 | 1983-06-28 | 2006-07-13 | 1983–2006 | 7 | |
| Ulsteinvik | Ulsteinvik | Norway, Ulsteinvik | 1966-04-28 | 1995-11-16 | 1966–1997 | 4 | |
| University Playhouse, Kansas City | University Playhouse, Kansas City | United States, Kansas City, Rockhill Road | 1974-08-08 | -- | 1974 | 1 | |
| UCLA School of Law | UCLA School of Law | United States, Los Angeles, 385 Charles E Young Dr E | 1999-03- | -- | 1999–2018 | 5 | |
| Užhorod | Užhorod | Ukraine, Užhorod | 1911-10-21 | 1911-11-04 | 1911–1941 | 7 | |
| University Theatre | University Theatre | United States, New Haven, 222 York Street | 2014-02-01 | 2014-02-07 | 2014 | 1 | |
| University Workshop Theatre, Louisiana State University | University Workshop Theatre, Louisiana State University | United States, Baton Rouge | 1947-04-24 | 1947-04-26 | 1947 | 1 | |
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