| Teatteri Jurkka | Teatteri Jurkka | Finland, Helsinki, 7, Vironkatu | 1995-09-28 | -- | 1995 | 1 | |
| Teatro Avenida | Teatro Avenida | Portugal, Lisbon, Avenida da Liberdade | 1961-05-26 | -- | 1961 | 1 | |
| Täby | Täby | Sweden, Täby | 1991-04-20 | 1991-04-20 | 1991 | 1 | |
| Teatr V. F. Komissarzhevskoi | Teatr V. F. Komissarzhevskoi | Russia, St Petersburg, Italiyanskaya ul 19 | 1904-09-17 | -- | 1904–2016 | 5 | |
| Théâtre du Rideau Vert | Théâtre du Rideau Vert | Canada, Montréal, 4664 Rue Saint-Denis | 1969-04-02 | 1995-02-11 | 1969–1995 | 2 | |
| Teatr Narodowy | Teatr Narodowy | Poland, Warsaw, Plac Teatralny 3 | 1926-05-28 | 2009-06-10 | 1926–2009 | 5 | |
| Theatret (Hotel Kong Carl) | Theatret (Hotel Kong Carl) | Norway, Sandefjord, Torggata 9 | 1903-03-25 | -- | 1903–1907 | 2 | |
| Teatar Vuk | Teatar Vuk | Serbia, Beograd, Bulevar Kralja Aleksandra 77a | -- | -- | | | |
| Teatro Vittoria | Teatro Vittoria | Italy, Ortona CH, Corso Garibaldi, 1 | 2008-02-21 | -- | 2008 | 1 | |
| Tērbatā | Tērbatā | Estonia, Tartu | 1918-09-10 | -- | 1918 | 1 | |
| Théâtre Durance | Théâtre Durance | France, Château-Arnoux-Saint-Auban, Avenue des Lauzières | 2012-11-23 | -- | 2012 | 1 | |
| TheatreLab@855 | TheatreLab@855 | United States, Boston | 2013-12-11 | 2013-12-15 | 2013 | 1 | |
| Theater Bonn | Theater Bonn | Germany, Bonn, Am Boeselagerhof 1 | 1976-12-04 | 2012-10-07 | 1976–2012 | 4 | |
| Theodore L. Hazlett, Jr. Theatre | Theodore L. Hazlett, Jr. Theatre | United States, Pittsburgh, 6 Allegheny Square East | 1984-02-17 | 1984-04-01 | 1984 | 1 | |
| The Playhouse | The Playhouse | Australia, Adelaide, Festival Drive | 1978-08-11 | 1978-09-02 | 1978–1989 | 3 | |
| Teatro do SESC Centro | Teatro do SESC Centro | Brazil, Porto Alegre, Av. Alberto Bins, 665 | 2019-05-21 | -- | 2019 | 2 | |
| 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 | |
| Teatr Dramatyczny | Teatr Dramatyczny | Poland, Wałbrzych, Plac Teatralny 1 | 1975-05-17 | -- | 1975 | 1 | |
| Teatro Piccinni | Teatro Piccinni | Italy, Bari | 1973-03-22 | 2006-10-22 | 1973–2006 | 5 | |
| Teatr Polski | Teatr Polski | Poland, Poznań, 27 Grudnia 8/10 | 1882-11-09 | 1971-01-23 | 1882–2008 | 21 | |
| The Starting Gate | The Starting Gate | England, London, Station Rd, Wood Green | 2000-09-13 | 2000-10-15 | 2000 | 1 | |
| Tacoma Theatre | Tacoma Theatre | United States, Tacoma | 1909-01-08 | 1909-01-09 | 1909 | 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 | |
| Tel Aviv | Tel Aviv | Israel, Tel Aviv | -- | -- | | | |
| Theatro Eldorado | Theatro Eldorado | Egypt, Port Said | 1940-01-11 | -- | 1940 | 1 | |
| Teatro Auditorio de Cuenca | Teatro Auditorio de Cuenca | Spain, Cuenca, Paseo del Huécar, S/N | 2005-10-27 | 2005-10-27 | 2005 | 1 | |
| Teatret i Kjellerup | Teatret i Kjellerup | Denmark, Kjellerup | 1902-12-04 | -- | 1902 | 1 | |
| Theatro Odeio | Theatro Odeio | Greece, Rethymno, Crete | 2005-01-11 | 2005-01-12 | 2005 | 1 | |
| Teatro Sociale di Bellinzona | Teatro Sociale di Bellinzona | Switzerland, Bellinzona, Piazza Governo 11 | 1899-02-02 | -- | 1899 | 1 | |
| Theatro Malliaropouleion | Theatro Malliaropouleion | Greece, Tripoli | 1912-03-28 | -- | 1912 | 1 | |
| Theatre Royal | Theatre Royal | England, Bournemouth, Albert Road | 1897-08-30 | -- | 1897 | 1 | |
| Tomaszów Lubelski | Tomaszów Lubelski | Poland, Tomaszów Lubelski | -- | -- | | | |
| Teatro del IMSS | Teatro del IMSS | Mexico, Aguascalientes | 1975-09-16 | -- | 1975 | 1 | |
| Tribühne Norderstedt | Tribühne Norderstedt | Germany, Norderstedt, Jörg Peter Hahn Pl. 1 | 2003-01-21 | -- | 2003–2017 | 2 | |
| Teatro Apollo | Teatro Apollo | Italy, Genova | 1893-04-20 | -- | 1893 | 1 | |
| Tysvær | Tysvær | Norway, Tysvær | 1995-03-12 | -- | 1995 | 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 | |
| Théâtre Paris-Villette | Théâtre Paris-Villette | France, Paris, 211 avenue Jean Jaurès | 2021-06-22 | 2021-06-25 | 2021 | 1 | |
| The Artillery Lane Players | The Artillery Lane Players | United States, St. Augustine | 1948-02-20 | -- | 1948 | 1 | |
| Teatro Aberto | Teatro Aberto | Portugal, Lisbon, R. Armando Cortez | 2002-02-26 | -- | 2002 | 1 | |
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