| Theater Palme | Theater Palme | Russia, St. Petersburg | 1902-01-24 | -- | 1902 | 2 | |
| Thunder River Theatre Company | Thunder River Theatre Company | United States of America, Carbondale, CO, 67 Promenade, | 2000-04-14 | 2000-04-29 | 2000 | 1 | |
| Teatrul Țăndărică | Teatrul Țăndărică | Romania, Bucharest, Strada General Eremia Grigorescu 24 | 2016-10-21 | -- | 2016 | 1 | |
| Theater Bregenz (Saal des Cafe Central) | Theater Bregenz (Saal des Cafe Central) | Austria, Bregenz | 1908-11-14 | -- | 1908–1911 | 3 | |
| Theater in Baden-Baden | Theater in Baden-Baden | Germany, Baden-Baden | 1887-07-08 | -- | 1887–1928 | 22 | |
| Tierra Del Sol, Studio Theatre – | Studio Theatre – Tierra Del Sol | United States of America, Lady Lake, 806 San Marino Dr | 2019-03-19 | 2019-04-28 | 2019 | 1 | |
| Teatr Ziemi Krakowskiej im. Solskiego | Teatr Ziemi Krakowskiej im. Solskiego | Poland, Kraków | -- | -- | | | |
| Theatro Syntagmatos | Theatro Syntagmatos | Turkey, Samsun | 1909-12-15 | -- | 1909 | 1 | |
| Teatr Polskiego Radia | Teatr Polskiego Radia | Poland, Warsaw, Modzelewskiego 59 | 2012-12-23 | 2012-12-23 | 2012 | 1 | |
| Teatro Rosalía de Castro | Teatro Rosalía de Castro | Spain, A Coruña, Calle del Riego de Agua, 37, | 2005-12-16 | 2005-12-17 | 2005 | 1 | |
| Tomelloso | Tomelloso | Spain, Tomelloso | 2010-03-27 | -- | 2010 | 1 | |
| Tanz-Forum | Tanz-Forum | Germany, Köln, Düppelstraße 5 | 1993-01-17 | 1994-03-31 | 1993 | 1 | |
| Teatro Due | Teatro Due | Italy, Parma, Viale Francesco Basetti, 12/a | 1999-01-29 | 2017-02-25 | 1999–2017 | 3 | |
| Theater in der Klosterstraße | Theater in der Klosterstraße | Germany, Berlin, Klosterstraße 43 | 1928-03-20 | -- | 1928 | 2 | |
| Théâtre de l'Agora, Scène nationale | Théâtre de l'Agora, Scène nationale | France, Évry, Allée de l'Agora | 1999-01-14 | 2001-03-24 | 1999–2001 | 2 | |
| Théatro Simeío | Théatro Simeío (Theater Point) | Greece, Athens, Harilaou Trikoupi 4, Kallithea | 2015-03-06 | 2015-04-05 | 2015 | 1 | |
| Teatr Wielki | Teatr Wielki | Poland, Warsaw, Plac Teatralny 1 | 1882-03-10 | 1906-01-12 | 1882–1904 | 5 | |
| The Hangar Theatre | The Hangar Theatre | United States of America, Ithaca, Taughannock Boulevard | 1978-08-08 | 1978-08-19 | 1978 | 1 | |
| Theatro Ena | Theatro Ena | Cyprus, Nicosia, 4 Athinas Avenue | 2003-04-11 | -- | 2003 | 1 | |
| Teatro Carignano | Teatro Carignano | Italy, Torino, Piazza Carignano, 6 | 1895-02-18 | 2023-01-15 | 1895–2023 | 14 | |
| Theater T | Theater T | Greece, Thessaloniki, l. Flemingk 16, Thessaloniki 546 42, Greece | 2023-12-01 | 2024-01-07 | 2023 | 1 | |
| Theater Bonn | Theater Bonn | Germany, Bonn, Am Boeselagerhof 1 | 1976-12-04 | 2023-04-05 | 1976–2022 | 5 | |
| Teatrul Alexandru Davila Pitesti | Teatrul Alexandru Davila Pitesti | Romania, Piteşti, Strada Victoriei | 1957-01-12 | -- | 1957 | 1 | |
| Teatro Comunale di L'Aquila | Teatro Comunale di L'Aquila | Italy, L'Aquila, Piazza del Teatro | 1994-11-03 | -- | 1994 | 1 | |
| Theaterboerderij Het Hek van de Dam | Theaterboerderij Het Hek van de Dam | Netherlands, Ekehaar | 2004-04-03 | 2004-09-11 | 2004 | 1 | |
| Tianjin People's Art Theatre | Tianjin People's Art Theatre | China, Tianjin, 43 Pingshan Rd, Hexi Qu, Tianjin Shi, China | 2016-01-15 | 2016-01-16 | 2016 | 1 | |
| The Firehouse | The Firehouse | United States of America, South Bend | 2002-04-05 | 2002-04-20 | 2002 | 1 | |
| Teatro Gerbino | Teatro Gerbino | Italy, Torino | 1889-02-15 | 1894-01-10 | 1889–1898 | 6 | |
| Teatro Circo | Teatro Circo | Spain, Cartagena, Calle Tolosa Latour | 1905-05- | -- | 1905 | 1 | |
| Teaterøen | Teaterøen | Denmark, København, William Wains Gade 11 | 2013-09-25 | 2013-09-26 | 2013 | 1 | |
| Target Margin Theater | Target Margin Theater | United States of America, Brooklyn, 138 South Oxford Street | 1992-09-10 | 1992-09-27 | 1992 | 1 | |
| Teaterlokalet | Teaterlokalet | Norway, Sandefjord, Jernbanealleen 34 | 1956-10-15 | -- | 1956–1969 | 5 | |
| Teatro Popular do Nordeste | Teatro Popular do Nordeste | Brazil, Recife | 1967-01-07 | -- | 1967 | 1 | |
| Théâtre de la Madeleine | Théâtre de la Madeleine | France, Paris, 19 Rue de Surène | 2010-02-16 | 2010-05-30 | 2010 | 1 | |
| Théâtre de l'Orangerie | Théâtre de l'Orangerie | Switzerland, Genève, Quai Gustave-Ador 66B | 2021-07-08 | 2021-07-25 | 2021 | 1 | |
| Teatro del Marchesato | Teatro del Marchesato | Italy, Saluzzo, Piazza Liderico Vineis, 11, 12037 | 2024-05-10 | 2024-05-19 | 2024 | 1 | |
| Teatro Nair Bello | Teatro Nair Bello | Brazil, Consolação, R. Frei Caneca, 569 | 2012-06-29 | 2012-09-02 | 2012 | 1 | |
| Trojan House Theater | Trojan House Theater (木马剧场) | China, Beijing, 22 International Art Street, 32 Baiziwan Lu, Chaoyang district | 2012-11-12 | 2012-11-28 | 2012 | 1 | |
| Teatro della Villa | Teatro della Villa | Italy, Rome | 1999-12-08 | 1999-12-19 | 1999 | 1 | |
| Teatrul de Nord Satu Mare | Teatrul de Nord Satu Mare | Romania, Satu Mare, str. Horea nr. 3. | 1972-06-03 | 2008-05-31 | 1972–2014 | 5 | |
| Tennessee Technological University Backdoor Playhouse | Tennessee Technological University Backdoor Playhouse | United States of America, Cookeville, 805 Quadrangle | 2006-11-09 | 2006-11-18 | 2006 | 1 | |
| Teatrul Bulandra (Sala Izvor) | Teatrul Bulandra (Sala Izvor) | Romania, Bucharest, Bulevardul Schitu Măgureanu 1 | 2005-11-11 | -- | 2005 | 1 | |
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