| University Theatre, University of Calgary | The University Theatre, University of Calgary | Canada, Calgary | 1970-02-11 | 1970-02-15 | 1970 | 1 | |
| Umeå | Umeå | Sweden, Umeå | 1990-10-26 | 1990-10-27 | 1990 | 1 | |
| Unitarian Universalist Church of Raleigh | Unitarian Universalist Church of Raleigh | United States, Raleigh, 3313 Wade Ave | 2013-04-12 | 2013-04-13 | 2013 | 1 | |
| Unitarian Assembly Theatre | Unitarian Assembly Theatre | United States, Minneapolis | 1928-12-12 | 1928-12-13 | 1928–1934 | 3 | |
| Ulvik | Ulvik | Norway, Ulvik | 1951-04-28 | -- | 1951 | 1 | |
| Union Theater | Union Theater | United States, Madison, 800 Langdon St | 1950-05-02 | -- | 1950 | 1 | |
| Ungdomsskolen | Ungdomsskolen | Norway, Leikanger, Kyrkjevegen 6 | 1969-10-03 | 1969-10-04 | 1969 | 1 | |
| University Theatre, University of California | University Theatre, University of California | United States, Davis | 1979-03-15 | 1981-05-30 | 1979–1981 | 2 | |
| University Students' Centre, Xianlin Campus | University Students' Centre, Xianlin Campus | China, Nanjing, Nanjing University | 2010-10-22 | 2010-10-23 | 2010 | 5 | |
| University Workshop Theatre, Louisiana State University | University Workshop Theatre, Louisiana State University | United States, Baton Rouge | 1947-04-24 | 1947-04-26 | 1947 | 1 | |
| University Theatre | University Theatre | United States, Iowa City, University of Iowa | 1937-02-22 | 1965-04-03 | 1937–1965 | 3 | |
| UCSB Main Theatre | UCSB Main Theatre | United States, Santa Barbara | 1984-07-19 | 1984-07-28 | 1984 | 1 | |
| Ungarns ambassade | Ungarns ambassade | Norway, Oslo, Sophus Lies gate 3 | 1992-- | 1993-- | 1992 | 1 | |
| Upsala Teater | Upsala Teater | Sweden, Uppsala | 1871-11-21 | 1893-04-09 | 1871–1893 | 8 | |
| Újvidéki Színház (Novosadsko pozorište) | Újvidéki Színház (Novosadsko pozorište) | Serbia, Novi Sad, Jovana Subotića 3-5 | 1981-04-30 | -- | 1981–2013 | 4 | |
| Usine C | Usine C | Canada, Montréal, 1345 Avenue Lalonde | 2003-09-02 | 2003-09-13 | 2003 | 1 | |
| University Theatre | University Theatre, Department of Theatre and Dance | United States, Boulder, 261 UCB | 1947-01-30 | 2017-11-12 | 1947–2017 | 4 | |
| Underhuset fritidsklubb | Underhuset fritidsklubb | Norway, Drøbak | 2001-10-30 | -- | 2001 | 1 | |
| Üçüncü Tiyatro | Üçüncü Tiyatro (Uucncu Tiyatro) | Turkey, ULUS / ANKARA, İstiklal Cad. Çirmen Sokak Vakıf Apt. No:8 | -- | -- | | | |
| Umeås Theater | Umeås Theater | Sweden, Umeå | 1885-06-12 | -- | 1885 | 1 | |
| Umělecká beseda na Malé straně | Umělecká beseda na Malé straně | Czech Republic, Prague | 1940-11-16 | -- | 1940 | 1 | |
| Užhorod | Užhorod | Ukraine, Užhorod | 1911-10-21 | 1911-11-04 | 1911–1941 | 7 | |
| Ueneshallen | Ueneshallen | Norway, Flekkefjord, Tunveien 18 | 1997-09-27 | 1997-10-08 | 1997 | 2 | |
| 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 | |
| Universitetsbiblioteket i Oslo (UiO) | Universitetsbiblioteket i Oslo (UiO) | Norway, Oslo, Moltke Moes vei 39 | 2008-02-29 | -- | 2008 | 1 | |
| Upstairs at the Gatehouse | Upstairs at the Gatehouse | England, London, Highgate Village | 2015-10-13 | 2015-10-17 | 2015 | 1 | |
| Uppingham Theatre | Uppingham Theatre | England, Oakham, Leicestershire, 32 Stockerston Road, Uppingham | 2014-01-31 | 2014-10-17 | 2014 | 2 | |
| Ullensaker | Ullensaker | Norway, Ullensaker | 2005-04-06 | -- | 2005 | 1 | |
| USF Verftet | USF Verftet | Norway, Bergen, Georgernes Verft 12 | 1985-03-28 | 2011-07-09 | 1985–2011 | 8 | |
| United States | United States | United States, United States | 1911-07-28 | -- | 1911–2016 | 10 | |
| Umstead Park UCC | Umstead Park UCC | United States, Raleigh, 8208 Brownleigh Dr | 2018-10-19 | 2018-10-28 | 2018 | 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 | |
| Ulefoss skole | Ulefoss skole | Norway, Ulefoss, Nome | 2006-09-21 | -- | 2006 | 1 | |
| Ungdomsmötet i Lidköping | Ungdomsmötet i Lidköping | Sweden, Lidköping | 1911-06-23 | -- | 1911 | 1 | |
| University of Dhaka | University of Dhaka | Bangladesh, Dacca, Ramna | -- | -- | | | |
| Ural'sk | Ural'sk | Russia, Ural'sk | -- | -- | | 1 | |
| University of Utah | University of Utah | United States, Salt Lake City, Presidents Circle | 1909-11-23 | 1909-11-23 | 1909 | 1 | |
| Uppsala | Uppsala | Sweden, Uppsala | 1911-07-11 | 1911-07-12 | 1911–1952 | 4 | |
| University of North Carolina | University of North Carolina | United States, Chapel Hill, 209 South Road | 1920-11-20 | 1921-11-19 | 1920–1921 | 2 | |
| UIC Theatre | UIC Theatre | United States, Chicago, 1044 W Harrison St | 2010-10-01 | 2010-10-10 | 2010 | 1 | |
| Ushigome Geijutsu Club | Ushigome Geijutsu Club | Japan, Tokyo | 1918-04-21 | 1918-04-22 | 1918 | 1 | |
| Ugala Teater | Ugala Teater | Estonia, Viljandi, Vaksali 7 | 2007-05-12 | 2011-05-16 | 2007–2010 | 3 | |
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