| Théâtre de la Parcheminerie | Théâtre de la Parcheminerie | France, Rennes, 23 Rue Parcheminerie | 1982-10-14 | 1982-11-25 | 1982 | 1 | |
| Théâtre Forum Meyrin | Théâtre Forum Meyrin | Switzerland, Meyrin, Place des Cinq-Continents 1 | 2012-12-05 | 2012-12-06 | 2012 | 1 | |
| Theatre Four | Theatre Four | United States of America, New York, 424 West 55th Street | 1963-02-02 | -- | 1963 | 1 | |
| Tampereen Teatteri | Tampereen Teatteri | Finland, Tampere, 2, Keskustori | 1904-10-14 | 2003-05-16 | 1904–2002 | 16 | |
| The Goodwin Theatre, Austin Arts Center | The Goodwin Theatre, Austin Arts Center | United States of America, Hartford, Summit Street | 1978-12-07 | 1978-12-10 | 1978 | 1 | |
| Teatro Ideal | Teatro Ideal | Mexico, Mexico by | 1916-11-17 | -- | 1916 | 1 | |
| Teatro Vertigo | Teatro Vertigo | Italy, Livorno, Via del Pallone 2 | 2018-12-01 | 2019-11-23 | 2018–2019 | 2 | |
| Teatro Helena Sá e Costa | Teatro Helena Sá e Costa | Portugal, Porto, R. da Escola Normal 41 | 2008-02-07 | 2008-02-16 | 2008 | 1 | |
| Theatersaal der Alten Uni | Theatersaal der Alten Uni | Germany, Freiburg, Alte Universität | 2006-05-18 | -- | 2006 | 1 | |
| Theatro Ilisia | Theatro Ilisia (Ilisia Theater) | Greece, Athens, Papadiamantopoulou 4 | 2001-05-03 | 2020-03-08 | 2001–2019 | 2 | |
| Théâtre Vidy-Lausanne (Salle Charles Apothéloz) | Théâtre Vidy-Lausanne (Salle Charles Apothéloz) | Switzerland, Lausanne, Avenue Emile-Henri-Jaques-Dalcroze 5 | 1993-01-21 | 2013-03-29 | 1993–2013 | 3 | |
| Theatre Royal | Theatre Royal | England, Brighton, New Rd | 1889-06-20 | 2013-12-07 | 1889–2013 | 12 | |
| Theatret i Kristiansand | Theatret i Kristiansand | Norway, Kristiansand | 1858-04-16 | 1984-11-24 | 1858–1984 | 14 | |
| Teatr Wielki | Teatr Wielki | Ukraine, Lviv | 1922-06-07 | -- | 1922–1928 | 2 | |
| Teatern i Östersund | Teatern i Östersund | Sweden, Östersund | 1899-02-03 | 1899-02-10 | 1899 | 1 | |
| Theater aan de Schie | Theater aan de Schie | Netherlands, Schiedam, Stadserf 1 | 2001-12-18 | -- | 2001–2017 | 3 | |
| Theater am Gärtnerplatz | Theater am Gärtnerplatz | Germany, Munich, Gärtnerplatz | 1899-03-20 | 1899-03-29 | 1899–1900 | 2 | |
| Teatro Commenda | Teatro Commenda | Italy, Milan | 1892-06-11 | 1892-07-11 | 1892–1965 | 5 | |
| Teatro César Cava | Teatro César Cava | Brazil, São Paulo, Presidente Prudente | 2009-08-26 | -- | 2009 | 1 | |
| Theatro Attikon | Theatro Attikon (Atticon Theatre) | Greece, Drama | 1940-02- | -- | 1940 | 1 | |
| Teatret i Sakskøbing | Teatret i Sakskøbing | Denmark, Sakskøbing | 1907-10-08 | -- | 1907 | 1 | |
| Teatre de Vilafranca | Teatre de Vilafranca | Spain, Vilafranca del Penedès, Rambla Nostra Senyora, 35 | 2005-04-03 | -- | 2005 | 1 | |
| Théâtre des Mathurins | Théâtre des Mathurins | France, Paris, 36 Rue des Mathurins | 1928-03-14 | -- | 1928–1943 | 5 | |
| Theatro Apollon | Theatro Apollon (Apollo Theater) | Greece, Ermoupoli, Syros, Siros Ermoupoli 841 00 | 1901-04-22 | 2012-02-05 | 1901–2012 | 6 | |
| Teatro Colosseo | Teatro Colosseo | Italy, Torino, Via Madama Cristina | 1993-04-13 | 1993-04-22 | 1993 | 1 | |
| Technical School Auditorium | Technical School Auditorium | Canada, Kingston | 1932-04-21 | -- | 1932 | 1 | |
| Teatr im. Adama Mickiewicza | Teatr im. Adama Mickiewicza | Poland, Częstochowa | 1969-01-24 | -- | 1969 | 1 | |
| Tejido Abierto Teatro | Tejido Abierto Teatro | Spain, Madrid, Pza del Alamillo, 8 | 2016-12-14 | 2017-05-07 | 2016 | 1 | |
| Teatro Vittorio Emanuele | Teatro Vittorio Emanuele | Italy, Messina, Via Pozzo Leone 5 | 2001-12-19 | 2001-12-23 | 2001 | 1 | |
| Théâtre des Menus Plaisirs | Théâtre des Menus Plaisirs | France, Paris, 33 Rue Fbg St Martin | 1895-05-08 | -- | 1895 | 1 | |
| Teatro Bertagnolio | Teatro Bertagnolio | Italy, Chiaverano, Via del Teatro, 19, 10010 Chiaverano TO, Italy | 2023-05-07 | -- | 2023 | 1 | |
| Teatro Monumental | Teatro Monumental | Portugal, LIsbon, Praca do Saldanha | 1956-01-20 | -- | 1956 | 1 | |
| Teatar «Salsa i smjah» | Teatar «Salsa i smjah» | Bulgaria, Sofia | 1982-11-24 | -- | 1982 | 1 | |
| Theater de Maagd | Theater de Maagd | Netherlands, Bergen op Zoom, Grote Markt 32 | 2017-04-12 | -- | 2017 | 1 | |
| Thirteen/WNET New York (USA) | Thirteen/WNET New York (USA) | United States of America, New York | -- | -- | | | |
| Théâtre Tristan Bernard (Théâtre Albert-Ier) | Théâtre Tristan Bernard (Théâtre Albert-Ier) | France, Paris, 64 Rue du Rocher | 1931-10-23 | -- | 1931 | 1 | |
| Teater 1, Riksteatern | Teater 1, Riksteatern | Sweden, Hallunda, Hallunda | 1952-- | 2008-11-16 | 1952–2008 | 5 | |
| Teatro Ermano Fabbri | Teatro Ermano Fabbri | Italy, Vignola, Via Pietro Minghelli, 11, 41058 | 2013-11-20 | -- | 2013 | 1 | |
| Teatro Comunale | Teatro Comunale | Italy, Vipiteno, Piazza J. W. von Goethe, 1 | 2011-10-27 | -- | 2011 | 1 | |
| Teatro Experimental de Cascais | Teatro Experimental de Cascais | Portugal, ESTORIL, Avenida Fausto Figueiredo Edifício Teatro M M Casimiro Monte Estoril | 1992-01-05 | 2015-08-09 | 1992–2015 | 2 | |
| Teatro Verdi | Teatro Verdi | Italy, Padova, Via Livello, 32 | 2001-01-09 | 2022-11-13 | 2001–2022 | 3 | |
| Thomas-Morus-Gymnasium | Thomas-Morus-Gymnasium | Germany, Oelde, Zur Dicken Linde 29 | 1999-01-13 | 1999-01-13 | 1999 | 1 | |
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