| Theater Reichenau | Theater Reichenau | Austria, Reichenau an der Rax, Hauptstraße 28 | 2010-07-03 | 2017-08-02 | 2010–2017 | 3 | |
| Teatermuseet | Teatermuseet | Norway, Oslo, Nedre Slottsgate 1 | 2010-09-25 | -- | 2010 | 1 | |
| Todd Wehr Theater, Performing Arts Center | Todd Wehr Theater, Performing Arts Center | United States, Milwaukee, 325 West Walnut Street | 1971-04-23 | 1987-04-05 | 1971–1987 | 2 | |
| Trysil | Trysil | Norway, Trysil | 1966-04-21 | -- | 1966–1971 | 2 | |
| Teatro Filodrammatico | Teatro Filodrammatico | Italy, Trieste | 1892-04-05 | -- | 1892–1897 | 3 | |
| Theater Aachen | Theater Aachen | Germany, Aachen, Theaterplatz | 1972-04-15 | 2014-06-07 | 1972–2014 | 9 | |
| Théâtre Forum Meyrin | Théâtre Forum Meyrin | Switzerland, Meyrin, Place des Cinq-Continents 1 | 2012-12-05 | 2012-12-06 | 2012 | 1 | |
| Teatrul Toma Caragiu Ploiesti | Teatrul Toma Caragiu Ploiesti | Romania, Ploieşti, Str. Toma Caragiu 13 | 1973-05-11 | -- | 1973 | 1 | |
| Turbulences | Festival Turbulences | France, Strasbourg | 1998-06-11 | 1998-06-13 | 1998 | 1 | |
| Théâtre Tristan Bernard (Théâtre Albert-Ier) | Théâtre Tristan Bernard (Théâtre Albert-Ier) | France, Paris, 64 Rue du Rocher | 1931-10-23 | -- | 1931 | 1 | |
| Theater Düren | Theater Düren | Germany, Düren, Stefan-Schwer-Straße 4 | 2002-11-28 | -- | 2002–2011 | 2 | |
| Theatre Royal | Theatre Royal | England, Bath, Sawclose | 1909-05-03 | 2010-04-03 | 1909–2010 | 5 | |
| Torrejón de Ardóz | Torrejón de Ardóz | Spain, Torrejón de Ardóz | 2010-11-28 | -- | 2010 | 1 | |
| Theatre Royal | Theatre Royal | England, Brighton, New Rd | 1889-06-20 | 2013-12-07 | 1889–2013 | 12 | |
| Teatret Om | Teatret Om | Denmark, Ringkøbing, Buen 15 | 2013-09-21 | -- | 2013 | 1 | |
| Theatre 22 | Theatre 22 | United States, New York | 1991-10-17 | 1991-11-03 | 1991–1997 | 2 | |
| Theater im Bauturm | Theater im Bauturm | Germany, Köln (Cologne), Aachener Straße 24-26 | 1999-08-21 | 2007-12-06 | 1999–2007 | 5 | |
| Tremont Theatre | Tremont Theatre | United States, Boston, 88 Tremont Street | 1894-04-18 | 1904-01-26 | 1894–1904 | 3 | |
| Teatro Carlos Alberto | Teatro Carlos Alberto | Portugal, Porto, Rua Oliveiras 43 | 2008-05-09 | 2008-08-25 | 2008 | 1 | |
| Teatr im. hr. Skarbka | Teatr im. hr. Skarbka | Ukraine, Lviv | 1879-12-05 | 1900-04-09 | 1879–1899 | 7 | |
| Teatro Nair Bello | Teatro Nair Bello | Brazil, Consolação, R. Frei Caneca, 569 | 2012-06-29 | 2012-09-02 | 2012 | 1 | |
| Théâtre du Nouveau Monde | Théâtre du Nouveau Monde | Canada, Montréal, 84 Rue Sainte-Catherine Ouest | 1991-01-22 | 1991-02-16 | 1991 | 1 | |
| Teatro Municipal de Lima | Teatro Municipal de Lima | Peru, Lima, Jirón Ica 377 | 1927-01-24 | -- | 1927 | 1 | |
| Teatro Marilia | Teatro Marilia | Brazil, Belo Horizonte, Av. Prof Alfredo Balena | 1973-07- | -- | 1973 | 1 | |
| Teign Valley Community Hall | Teign Valley Community Hall | England, Christow, Lower town | 2007-12-03 | -- | 2007 | 1 | |
| Theatro Olympia | Theatro Olympia | Greece, Pyrgos | 1912-09-02 | -- | 1912–1916 | 3 | |
| Theatro Alekton | Theatro Alekton | Greece | 2010-12-17 | 2011-04-17 | 2010 | 1 | |
| The Questors Studio | The Questors Studio | England, London, 12 Mattock Ln | 1975-05- | 2017-12-05 | 1975–2015 | 4 | |
| Teatro Fabbricone | Teatro Fabbricone | Italy, Prato, Via Ferdinando Targetti, 12 | 2002-05-25 | -- | 2002 | 2 | |
| Theater in der List | Theater in der List | Germany, Hannover, Spichernstr. 13 | 2019-11-07 | 2019-11-09 | 2019 | 1 | |
| Teatro Santa Catarina | Teatro Santa Catarina | Mexico, Mexico City, Jardín Sta Catarina 10, Santa Catarina, Coyoacán | 2006-04-04 | 2006-04-06 | 2006 | 1 | |
| Tromøy ungdomsskole | Tromøy ungdomsskole | Norway, Færvik, Aust-Agder | 1997-09-01 | -- | 1997 | 1 | |
| Theater Augsburg | Theater Augsburg | Germany, Augsburg, Kasernstraße 4 | 2001-10-06 | 2009-06-12 | 2001–2017 | 4 | |
| Teatro Paulo Autran | Teatro Paulo Autran | Brazil, Curitiba, Rua Coronel Dulcídio, 517 - Batel | 2013-09-27 | 2013-09-29 | 2013 | 1 | |
| Trenton | Trenton | United States | 1903-03-24 | 1903-03-24 | 1903 | 1 | |
| Theater Casino Zug | Theater Casino Zug | Switzerland, Zug, Artherstrasse 2-4 | 2005-11-16 | -- | 2005–2019 | 2 | |
| Theatre Royal | Theatre Royal | England, Manchester, Smithy Street | 1904-04-25 | 1904-04-30 | 1904–1910 | 4 | |
| Teatro El Sauzal, | Teatro El Sauzal, | Spain, Santa Cruz de Tenerife, Canarias, C/ Constitución núm. 3, | 2019-04-26 | -- | 2019 | 1 | |
| The Academy | The Academy | United States, Reading | 1905-09-02 | 1905-09-02 | 1905 | 1 | |
| Teatersalen i Turul hotell | Teatersalen i Turul hotell | Hungary, Kaposvár | 1928-04-16 | -- | 1928 | 1 | |
| Town Hall | Town Hall | Ireland, Cavan | 1980-03-05 | 1980-03-06 | 1980 | 1 | |
| Tron Theatre | Tron Theatre | Scotland, Glasgow, 63 Trongate | 2004-06-17 | 2015-10-24 | 2004–2015 | 2 | |
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