| Trondhjems Katedralskole | Trondhjems Katedralskole | Norway, Trondheim | 1973-10-17 | -- | 1973 | 1 | |
| Teatro della Regina | Teatro della Regina | Italy, Cattolica, Piazzale della Repubblica 1 | 2001-03-06 | 2001-03-06 | 2001 | 1 | |
| Théâtre de l'Orme | Théâtre de l'Orme | France, Paris, 16 Rue de l'Orme | 2006-02-24 | 2006-06-25 | 2006 | 1 | |
| Théâtre de la Ville | Théâtre de la Ville | France, Paris, 2 Place du Châtelet | 1981-02-17 | 1994-06-21 | 1981–2014 | 4 | |
| Teatro Civico di Busca | Teatro Civico di Busca | Italy, Busca, Vicolo del Teatro, 1, 12022 Busca CN, Italy | 2013-05-18 | -- | 2013 | 2 | |
| Teatro do Estudante da Paraíba | Teatro do Estudante da Paraíba | Brazil, Santos | 1959-08-05 | -- | 1959 | 1 | |
| Theatro Magiko Palati | Theatro Magiko Palati | Cyprus, Nikosia | 1946-12-13 | -- | 1946–1947 | 2 | |
| Teatro Sperimentale | Teatro Sperimentale | Italy, Pesaro, Via Gioacchino Rossini | 1975-02-10 | 2005-02-06 | 1975–2005 | 2 | |
| Tĕšínské divadlo Scena polska | Tĕšínské divadlo Scena polska | Czech Republic, Český Těšín, Ostravská 67 | 1988-05-21 | -- | 1988–2016 | 3 | |
| Teatro Caio Melisso | Teatro Caio Melisso | Italy, Spoleto, Perugia, Via del Duomo, 1 | 1999-03-15 | -- | 1999–2005 | 2 | |
| Teatro do Centro Cultural da Justiça Federal | Teatro do Centro Cultural da Justiça Federal | Brazil, Rio de Janeiro, Avenida Rio Branco, 241 | 2004-10-21 | 2005-01-30 | 2004 | 1 | |
| Teatro Comunale Giuseppe Verdi | Teatro Comunale Giuseppe Verdi | Italy, Pollenza, Piazza della Libertà, 25, 62010 | 2012-02-17 | -- | 2012 | 1 | |
| Teatro Metastasio | Teatro Metastasio | Italy, Prato, Via Cairoli n.59 | 1977-01-05 | 2024-03-24 | 1977–2024 | 6 | |
| Turnhallen | Turnhallen | Norway, Mandal | 1952-01-27 | -- | 1952–1960 | 3 | |
| Théâtre du Vieux-Colombier | Théâtre du Vieux-Colombier | France, Paris, 21 Rue du Vieux Colombier | 1934-05-05 | 2023-03-12 | 1934–2023 | 2 | |
| Theater am Domhof | Theater am Domhof | Germany, Osnabrück, Domhof 10-11 | 1926-11-21 | -- | 1926–2014 | 4 | |
| Teatro San Carlo | Teatro San Carlo | Italy, Naples, Via San Carlo, 98 | 1921-12-03 | -- | 1921 | 1 | |
| Tipping Point Theatre | Tipping Point Theatre | United States of America, 361 E Cady St, Northville, MI 48167 | 2019-09-19 | 2019-10-20 | 2019 | 1 | |
| Teatrul Municipal Bacovia | Teatrul Municipal Bacovia | Romania, Bacău, Strada Iernii 7 | 1976-12-29 | 2015-05-10 | 1976–2016 | 6 | |
| The Civic | The Civic | England, Barnsley, Hanson St | 2011-06-15 | -- | 2011 | 1 | |
| Teatro San Leonardo | Teatro San Leonardo | Italy, Viterbo, Via Camillo Benso Conte di Cavour, 9, 01100 | 2024-06-07 | -- | 2024 | 1 | |
| Théâtre Sarah Bernhardt | Théâtre Sarah Bernhardt | France, Paris, 2 Place du Châtelet | 1956-06-26 | 1958-06-15 | 1956–1958 | 2 | |
| Tamási Áron Színház | Tamási Áron Színház | Romania, Sfântu Gheorghe, Strada Libertății 1 | 1972-05-05 | 1999-12-12 | 1972–1999 | 3 | |
| Toulouse | Toulouse | France, Toulouse | 1897-03-15 | -- | 1897 | 1 | |
| Théâtre de Poche | Théâtre de Poche | Belgium, Brussels, 1000 City of Brussels | 1975-- | -- | 1975 | 1 | |
| Trøgstad Ungdomsskole | Trøgstad Ungdomsskole | Norway, Trøgstad, Trøgstad | 2005-11-10 | -- | 2005 | 1 | |
| Teatro Infanta Isabel | Teatro Infanta Isabel | Spain, Madrid, C/ Barquillo 24 | 1915-11-24 | -- | 1915 | 1 | |
| Teatr Wspólczesny | Teatr Współczesny | Poland, Warsaw, ul. Mokotowska 13 | 1975-04-16 | -- | 1975–1981 | 2 | |
| The LAMDA Linbury Studio | The LAMDA Linbury Studio | England, London, 155 Talgarth Road | 2009-08-07 | 2009-08-09 | 2009 | 1 | |
| Teatro Il Moderno | Teatro Il Moderno | Italy, Agliana, Piazza Anna Magnani, 1, 51031 | 2019-04-27 | -- | 2019 | 1 | |
| Teatro dei Marsi | Teatro dei Marsi | Italy, Avezzano AQ, Via Cavalieri di Vittorio Veneto | 2013-02-03 | 2013-03-20 | 2013 | 1 | |
| Theatr Ardudwy | Theatr Ardudwy | Wales, Harlech, Gwynedd | 1993-05-25 | -- | 1993 | 1 | |
| Teatro Alkázar de Plasencia | Teatro Alkázar de Plasencia | Spain, Cáceres, Calle de la Cruz de Santa Ana | 2009-12-18 | -- | 2009 | 1 | |
| Tmu-na Theater | Tmu-na Theater (Tmuna Theater) | Israel, Tel Aviv, Tmuna Theater R.A. 580103026 8 Soncino St. | 2022-08-16 | 2022-08-17 | 2022 | 1 | |
| Teatro Reina Victoria | Teatro Reina Victoria | Spain, Madrid, Carrera de San Jerónimo | 1928-05-05 | -- | 1928 | 1 | |
| Thatcher Opera House | Thatcher Opera House | United States of America, Logan | 1905-10-11 | 1905-10-11 | 1905 | 1 | |
| Teatro Nuovo Gian Carlo Menotti | Teatro Nuovo Gian Carlo Menotti | Italy, Spoleto, Via Vaita Sant'Andrea, 20, 06049 | 1978-03-06 | -- | 1978 | 1 | |
| Teatro do Bolso | Teatro do Bolso | Portugal, Porto, Rua de Miragaia 61 | 1961-01-09 | -- | 1961 | 1 | |
| The Gate Theatre Salon | The Gate Theatre Salon | England, London, 16A Villiers Street | 1926-01-31 | -- | 1926 | 1 | |
| Te'atron Beit Lessin | Te'atron Beit Lessin (Beit Lessin Theatre) | Israel, Tel Aviv, Dizengoff Street | 2024-03-23 | 2024-05-03 | 2024 | 1 | |
| Theater De Brakke Grond | Theater De Brakke Grond | Netherlands, Amsterdam, Nes 45 | 1973-04-13 | 2014-04-12 | 1973–2014 | 4 | |
| Theater Hofplein | Theater Hofplein | Netherlands, Rotterdam | 2012-04-17 | -- | 2012 | 1 | |
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