| Throndhjems Theater | Throndhjems Theater | Norway, Trondheim, Prinsens Gate 20 | 1861-11-17 | 1863-11-04 | 1861–1863 | 2 | 1 |
| Telfair Peet Theatre | Telfair Peet Theatre | United States of America, Auburn, 350 W Samford Ave | 2021-09-30 | 2021-10-06 | 2021 | 1 | |
| Teatro Ivo Chiesa | Teatro Ivo Chiesa | Italy, Genova, viale Duca d’Aosta, 16129 | 2018-11-06 | 2018-11-18 | 2018 | 1 | |
| Théatron, Kéntro Politismoú «Ellinikós Kósmos», Aíthousa Antigóni | Théatron, Kéntro Politismoú «Ellinikós Kósmos», Aíthousa Antigóni (Theatron, Cultural Center "Hellenic Cosmos", Antigone Hall) | Greece, Athens, Pireos 254, Tavros 177 78 | 2012-06-06 | 2012-07-01 | 2012 | 1 | |
| Trafalgar Square Theatre | Trafalgar Square Theatre | England, Westminster, London, St Martin's Lane | 1893-02-20 | -- | 1893 | 1 | |
| Theater Bonn Kammerspiele | Theater Bonn Kammerspiele | Germany, Bonn, Am Michaelshof 9 | 2004-06-04 | 2013-06-15 | 2004–2014 | 8 | |
| Teaterbiennalen | Teaterbiennalen | Sweden, Luleå | 1997-03- | -- | 1997 | 1 | |
| Tisch School of the Arts | Tisch School of the Arts | United States of America, New York, 721 Broadway, 3rd Floor | 2005-09-27 | 2005-10-02 | 2005 | 1 | |
| Teatro della Villa | Teatro della Villa | Italy, Rome | 1999-12-08 | 1999-12-19 | 1999 | 1 | |
| Teatro 3 de febreo | Teatro 3 de febrero | Bolivia, Sucre, Arenales 8 | 2004-09- | -- | 2004 | 1 | |
| Teatro delle Moline | Teatro delle Moline | Italy | 2023-01-11 | 2023-01-11 | 2023 | 1 | |
| Theatergesellschaft Malters | Theatergesellschaft Malters | Switzerland | 2016-04-08 | 2016-04-30 | 2016 | 1 | |
| Tarragon Theatre | Tarragon Theatre | Canada, Toronto, 30 Bridgman Ave | 1983-02-17 | 2015-11-01 | 1983–2015 | 3 | |
| Theatro Zizania | Theatro Zizania | Egypt, Alexandria | 1903-04-06 | -- | 1903 | 1 | |
| Theatro Amore | Theatro Amore (Amore Theater) | Greece, Athina, Prigkiponnison 2 | 1994-03-16 | 1994-04-24 | 1994 | 1 | |
| Teatro Palladium | Teatro Palladium | Italy, Roma, Piazza Bartolomeo Romano, 8 | 2020-02-20 | 2020-02-23 | 2020 | 1 | |
| Theaterhaus am Alten Markt | Theaterhaus am Alten Markt | Germany, Potsdam, Am Alten Markt | 2006-03-17 | 2007-06-16 | 2006 | 2 | |
| Teatre Lliure YouTube channel | Teatre Lliure YouTube channel | Spain | 2020-04-23 | 2020-04-26 | 2020 | 1 | |
| Teatro Calima | Teatro Calima | Colombia, Santiago de Cali | 2009-03-06 | 2009-03-07 | 2009 | 1 | |
| Teatro Infanta Beatriz | Teatro Infanta Beatriz | Spain, Madrid, Calle de Hermosilla, 15 | 1971-09-24 | 1972-02-20 | 1971 | 1 | |
| Teatro Politeama Pestapevar | Teatro Politeama Pestapevar | Italy, Forli | 1897-05-24 | -- | 1897 | 1 | |
| Trollhättan | Trollhättan | Sweden, Trollhättan | 1991-04-04 | 1991-04-04 | 1991 | 1 | |
| Theatret i Trondheim | Theatret i Trondheim | Norway, Trondheim, Prinsens Gate 20 | 1856-04-02 | 1927-11-10 | 1856–1928 | 50 | |
| Teatr Polski im. Arnolda Szyfmana | Teatr Polski im. Arnolda Szyfmana | Poland, Warszawa, ul. Kazimierza Karasia 2 | 2017-10-06 | -- | 2017 | 1 | |
| Teatro-Estúdio Mário Viegas | Teatro-Estúdio Mário Viegas | Portugal, Lisbon, Largo do Picadeiro | 1998-09-10 | 2005-03-31 | 1998–2004 | 2 | |
| Timrå | Timrå | Sweden, Timrå | 1989-10-04 | 1989-10-04 | 1989 | 1 | |
| TU-Nantes | TU-Nantes | France, Nantes, Chemin de la Censive du Tertre | 2012-02-28 | 2018-02-23 | 2012–2018 | 2 | |
| Teatro Principal | Teatro Principal | Spain, Santiago de Compostela, Rúa Nova, 22 | 2008-03-12 | 2008-03-13 | 2008 | 1 | |
| The Guild Theatre | The Guild Theatre | United States of America, New York, 245 West 52nd Street | 1926-02-02 | -- | 1926–1932 | 2 | |
| Taastrup Teater | Taastrup Teater | Denmark, 2630 Taastrup, Kjeld Abells Plads 1 | 2002-09-29 | -- | 2002–2006 | 2 | |
| Teatro del Notariado | Teatro del Notariado | Uruguay, Montevideo, Guayabo 1729 | 1980-09-25 | -- | 1980–2001 | 2 | |
| Transteatral | Transteatral | Czech Republic, Prague, V Jámě 1598/4 | 2010-06-06 | -- | 2010 | 1 | |
| Teatr Komi | Teatr Komi | Russia, Syktyvkar, Syktyvkar | 1950-02- | -- | 1950 | 1 | |
| Théâtre du Chaudron | Théâtre du Chaudron | France, Paris, Route du Champ de Manœuvre | 2008-02-01 | 2008-02-12 | 2008 | 1 | |
| Toledo | Toledo | Spain, Toledo | 2010-11-26 | -- | 2010 | 1 | |
| Teatro San Martín | Teatro San Martín | Argentina, Buenos Aires, Avenida Corrientes | 1904-06-27 | 2013-10-09 | 1904–2013 | 8 | |
| Teatrul "Tony Bulandra" | Teatrul "Tony Bulandra" | Romania, Târgovişte, Bulevardul Regele Carol I nr. 43 Târgoviște | -- | -- | 2016–2019 | 5 | |
| Teatro Municipal Sá de Miranda | Teatro Municipal Sá de Miranda | Portugal, Viana do Castelo, R. de Sá de Miranda | 1997-11-07 | 1998-01-25 | 1997 | 2 | |
| Teatrul Figura Studio (Figura Stúdió Színház) | Teatrul Figura Studio (Figura Stúdió Színház) | Romania, Gheorgheni, Bulevardul Frăției nr. 9 | 2018-09-28 | -- | 2018 | 1 | |
| Teatry Dramatyczne | Teatry Dramatyczne | Poland, Wrocław | 1957-03-30 | -- | 1957 | 1 | |
| Teatr «Sotvorčeskie Teatral´nye Masterskie» | Teatr «Sotvorčeskie Teatral´nye Masterskie» | Russia, Moscow | 2001-03-03 | -- | 2001 | 1 | |
| Teatro Quirino | Teatro Quirino | Italy, Rome, Via delle Vergini | 1943-02-20 | 2022-12-18 | 1943–2022 | 6 | |
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