| Utgard fleirbrukshus | Utgard fleirbrukshus | Norway, Lom, Bergomsvegen 41 | 2015-10-08 | 2015-10-08 | 2015–2017 | 2 | |
| 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 | |
| Underhuset fritidsklubb | Underhuset fritidsklubb | Norway, Drøbak | 2001-10-30 | -- | 2001 | 1 | |
| Universidad Nacional Autónoma de México | Universidad Nacional Autónoma de México (UNAM) | Mexico, Ciudad de México, Av Universidad 3000, Copilco Universidad, Coyoacán. | 1976-03-16 | -- | 1976 | 1 | |
| Ulsteinvik Samfunnshus | Ulsteinvik Samfunnshus | Norway, Ulsteinvik, Vikemyra 2 | 1961-01-28 | -- | 1961–1990 | 6 | |
| Unitarian Parish House | Unitarian Parish House | United States, Anaconda | 1910-05-25 | 1910-05-25 | 1910 | 1 | |
| Ulstein ungdomsskule | Ulstein ungdomsskule | Norway, Ulsteinvik, Bakkegata 31 | 2006-10-02 | -- | 2006 | 1 | |
| Uleåborg Teater | Uleåborg Teater | Finland, Uleåborg (Oulu) | 1880-08-13 | 1885-11-08 | 1880–1885 | 2 | |
| University of Southern Maine | University of Southern Maine | United States, Gorham | 1986-04-11 | 1986-04-12 | 1986 | 1 | |
| Ulmer Theater | Ulmer Theater | Germany, Ulm, Herb-v-Karajan-Platz 1 | 1983-06-28 | 2006-07-13 | 1983–2006 | 7 | |
| Union Hall, University of Adelaide | Union Hall, University of Adelaide | Australia, Adelaide, North Terrace | 1960-08-31 | 1960-11-26 | 1960 | 2 | |
| Utställningen i Arvika | Utställningen i Arvika | Sweden, Arvika | 1911-06-27 | 1911-06-28 | 1911 | 1 | |
| University Playhouse, Kansas City | University Playhouse, Kansas City | United States, Kansas City, Rockhill Road | 1974-08-08 | -- | 1974 | 1 | |
| University Theatre | University Theatre | United States, Washington D.C., The Catholic University of America | 1965-03-19 | 1965-04-03 | 1965 | 1 | |
| UCLA School of Law | UCLA School of Law | United States, Los Angeles, 385 Charles E Young Dr E | 1999-03- | -- | 1999–2018 | 5 | |
| Ulsteinvik | Ulsteinvik | Norway, Ulsteinvik | 1966-04-28 | 1995-11-16 | 1966–1997 | 4 | |
| University Theatre, Bascom Hall | University Theatre, Bascom Hall | United States, Madison | 1935-11-04 | -- | 1935 | 2 | |
| Urquiza | Urquiza | Uruguay, Montevideo | 1907-10-10 | -- | 1907 | 1 | |
| Usine C | Usine C | Canada, Montréal, 1345 Avenue Lalonde | 2003-09-02 | 2003-09-13 | 2003 | 1 | |
| Ural'sk | Ural'sk | Russia, Ural'sk | -- | -- | | 1 | |
| Umewaka Nohgaku Gakuin Kaikan Theater | 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 Iowa Theatre Department | University of Iowa Theatre Department | United States, Iowa City, 200 N Riverside Dr | 2006-09-16 | 2006-09-17 | 2006 | 1 | |
| Université Cheikh-Anta-Diop | Université Cheikh-Anta-Diop | Senegal, Dakar | 2021-05-25 | -- | 2021 | 1 | |
| Ueneshallen | Ueneshallen | Norway, Flekkefjord, Tunveien 18 | 1997-09-27 | 1997-10-08 | 1997 | 2 | |
| Unitarian Assembly Theatre | Unitarian Assembly Theatre | United States, Minneapolis | 1928-12-12 | 1928-12-13 | 1928–1934 | 3 | |
| Upper Yarra Arts Centre | Upper Yarra Arts Centre | Australia, Warburton, 3409 Warburton Hwy | 2001-03-31 | 2001-08-25 | 2001 | 2 | |
| Uppsala Stadsteater | Uppsala Stadsteater | Sweden, Uppsala, Kungsgatan 53 | 1955-03-18 | 2013-05-08 | 1955–2013 | 4 | |
| UNRWA School | UNRWA School | Palestinian Territories, Jenin | 2008-10-09 | -- | 2008 | 1 | |
| University of Wisconsin | University of Wisconsin | United States, Madison | 2006-10-07 | -- | 2006 | 1 | |
| Ukkel | Ukkel | Belgium, Ukkel | -- | -- | | | |
| University of South Florida | University of South Florida | United States, Tampa, 3837 USF Holly Drive | 2018-01-11 | 2018-01-28 | 2018 | 1 | |
| Unity Theatre | Unity Theatre | England, London, Goldington St | 1963-11-29 | 2008-11-01 | 1963–2008 | 2 | |
| Utstillingshallen | Utstillingshallen | Norway, Molde | 1952-03-03 | -- | 1952–1956 | 3 | |
| Ushigome, Koto Engekikan Hall | Ushigome, Koto Engekikan Hall | Japan, Tokyo | 1912-01-30 | 1912-01-31 | 1912 | 1 | |
| University of Victoria | University of Victoria | Canada, Victoria, 3800 Finnerty Rd | 2002-03-14 | 2002-03-30 | 2002 | 1 | |
| Union Theatre | Union Theatre | United States, Missoula | 1909-01-14 | 1909-01-14 | 1909 | 1 | |
| Utiel | Utiel | Spain, Utiel | 2010-09-10 | -- | 2010 | 1 | |
| Umělecká beseda na Malé straně | Umělecká beseda na Malé straně | Czech Republic, Prague | 1940-11-16 | -- | 1940 | 1 | |
| Université Inter-Âges | Université Inter-Âges | France, Versailles, 6 impasse des gendarmes | 2019-06-20 | -- | 2019 | 1 | |
| Ulefoss | Ulefoss | Norway, Ulefoss | 1991-09-30 | -- | 1991 | 1 | |
| University Theatre, University of California | University Theatre, University of California | United States, Davis | 1979-03-15 | 1981-05-30 | 1979–1981 | 2 | |
| USF Verftet | USF Verftet | Norway, Bergen, Georgernes Verft 12 | 1985-03-28 | 2011-07-09 | 1985–2011 | 8 | |
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