| Teatteri Jurkka | Teatteri Jurkka | Finland, Helsinki, 7, Vironkatu | 1995-09-28 | -- | 1995 | 1 | |
| The Grand | The Grand | United States, Kansas City | 1904-03-03 | 1904-03-05 | 1904 | 1 | |
| Täby | Täby | Sweden, Täby | 1991-04-20 | 1991-04-20 | 1991 | 1 | |
| Théâtre d'Aujourd'hui (Salle de l'Alliance Française) | Théâtre d'Aujourd'hui (Salle de l'Alliance Française) | France, Paris | 1957-02-12 | -- | 1957 | 1 | |
| Teatro Vittoria | Teatro Vittoria | Italy, Ortona CH, Corso Garibaldi, 1 | 2008-02-21 | -- | 2008 | 1 | |
| Tērbatā | Tērbatā | Estonia, Tartu | 1918-09-10 | -- | 1918 | 1 | |
| Teatr Polski w Wilnie (Teatr na Pohulance) | Teatr Polski w Wilnie (Teatr na Pohulance) | Lithuania, Vilnius, Basanavičiusa 13 | 1923-01-22 | 1923-12-10 | 1923 | 3 | |
| TheatreLab@855 | TheatreLab@855 | United States, Boston | 2013-12-11 | 2013-12-15 | 2013 | 1 | |
| Teatro Erba | Teatro Erba | Italy, Torino, Corso Moncalieri 241 | 2007-03-20 | 2007-04-01 | 2007 | 1 | |
| Tank, The | The Tank | United States, New York, 151 West 46th Street | 2011-03-16 | 2011-03-23 | 2011 | 1 | |
| Teatr Ochoty | Teatr Ochoty | Poland, Warsaw, Mikołaja Reja 9 | 1978-01-28 | -- | 1978 | 1 | |
| Theateraula | Theateraula | Germany, Schmallenberg, Obringhauser Str. 38 | 2011-11-13 | -- | 2011 | 1 | |
| Théâtre universitaire de Franche-Comté | Théâtre universitaire de Franche-Comté | France, Besançon, 1 Rue Claude Goudimel | 2008-04-02 | -- | 2008 | 1 | |
| Tangvall skole | Tangvall skole | Norway, Søgne, Stemveien 2 | 2006-10-26 | -- | 2006 | 1 | |
| Teatro Sociale di Alba | Teatro Sociale di Alba | Italy, Alba, Piazza Vittorio Veneto, 3 | 1999-10-23 | -- | 1999 | 1 | |
| Theater Oben | Theater Oben | Germany, Karl-Marx-Stadt (Chemnitz) | 1979-04-11 | -- | 1979 | 1 | |
| Théâtre des Ambassadeurs | Théâtre des Ambassadeurs | France, Paris | 1941-03-13 | -- | 1941 | 1 | |
| Teatr kukol | Teatr kukol | Russia, Kemerovo | 2002-12-05 | -- | 2002 | 1 | |
| Theater Hofplein | Theater Hofplein | Netherlands, Rotterdam | 2012-04-17 | -- | 2012 | 1 | |
| Teatr Powszechny im. Zygmunta Hübnera | Teatr Powszechny im. Zygmunta Hübnera | Poland, Warsaw, ul. Jana Zamoyskiego 20 | 2006-04-04 | 2007-09-27 | 2006–2007 | 3 | |
| Theatret i Frederikshavn | Theatret i Frederikshavn | Denmark, Frederikshavn | 1883-10-17 | -- | 1883–2018 | 6 | |
| Teatro Grande | Teatro Grande | Italy, Brescia, C.so Zanardelli, 9/a | 1999-01-13 | 1999-01-17 | 1999 | 1 | |
| Tel Aviv | Tel Aviv | Israel, Tel Aviv | -- | -- | | | |
| Théâtre National de la Colline | Théâtre National de la Colline | France, Paris, 15 Rue Malte Brun | 1998-05-06 | 2014-02-15 | 1998–2014 | 9 | |
| Theater in der Basilika | Theater in der Basilika | Germany, Hamburg, Borselstraße 14-16 | 2002-10-10 | 2002-10-27 | 2002 | 1 | |
| Teatrul Naţional Cluj | Teatrul Naţional Cluj | Romania, Cluj-Napoca, Piaţa Ştefan cel Mare 2-4 | 1922-06-03 | 1940-03-09 | 1922–2016 | 19 | |
| Teatro Juan del Enzina | Teatro Juan del Enzina | Spain, Salamanca,, Calle Tostado, 8 | 2017-03-30 | -- | 2017 | 1 | |
| Teatro de Rojas | Teatro de Rojas | Spain, Toledo, Plaza Mayor, S/N, | 2005-12-02 | 2005-12-03 | 2005 | 1 | |
| Theatersaal, Gronau | Theatersaal, Gronau | Germany, Gronau, Am Bahnhof 2A | 2010-10-06 | -- | 2010 | 1 | |
| Theatro Odeio | Theatro Odeio | Greece, Rethymno, Crete | 2005-01-11 | 2005-01-12 | 2005 | 1 | |
| Theatro Odeion | Theatro Odeion | Turkey, Istanbul | 1899-03-11 | 1905-03-21 | 1899–1909 | 6 | |
| Teatro Spazio Uno | Teatro Spazio Uno | Italy, Rome, Vicolo dei Panieri, 3 | 2011-12-06 | 2011-12-11 | 2011 | 1 | |
| Theatro Malliaropouleion | Theatro Malliaropouleion | Greece, Tripoli | 1912-03-28 | -- | 1912 | 1 | |
| Teatro Leblon | Teatro Leblon | Brazil, Rio de Janeiro, R. Conde Bernadotte | 2001-10-16 | -- | 2001 | 1 | |
| Trinity Street Players | Trinity Street Theatre | United States, Austin, 901 Trinity Street | 2019-06-21 | 2019-07-13 | 2019 | 1 | |
| Tomaszów Lubelski | Tomaszów Lubelski | Poland, Tomaszów Lubelski | -- | -- | | | |
| Tribühne Norderstedt | Tribühne Norderstedt | Germany, Norderstedt, Jörg Peter Hahn Pl. 1 | 2003-01-21 | -- | 2003–2017 | 2 | |
| Teatro Arena | Teatro Arena | Italy, Bologna | 1893-08-24 | 1896-07-23 | 1893–1896 | 2 | |
| Teatro Sala Umberto | Teatro Sala Umberto | Italy, Rome, Via della Mercede 50 | 1989-04-18 | -- | 1989 | 1 | |
| Turku (Åbo) | Turku (Åbo) | Finland, Turku (Åbo) | 1878-10-16 | 1893-09-14 | 1878–1893 | 4 | |
| Turnişor | Turnişor | Romania, Sibiu | -- | -- | | | |
| Teatr Ziemi Krakowskiej im. Solskiego | Teatr Ziemi Krakowskiej im. Solskiego | Poland, Kraków | -- | -- | | | |
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