| Theatret i Gymnastiklokalet | Theatret i Gymnastiklokalet | Norway, Haugesund | 1884-05-05 | -- | 1884 | 1 | |
| Tiyatro Boyali Kuş (Theatre Painted Bird) | Tiyatro Boyali Kuş (Theatre Painted Bird) | Turkey, Batman | 2010-03-03 | -- | 2010 | 1 | |
| Teatr Dramatyczny | Teatr Dramatyczny | Poland, Gdynia, Generała Józefa Bema 26 | 1978-02-17 | -- | 1978 | 1 | |
| Trinity Valley School | Trinity Valley School | United States of America, Willow Creek, 730 CA-96 | 2005-12-08 | -- | 2005 | 1 | |
| Théâtre Municipal Marc Sebbah | Théâtre Municipal Marc Sebbah | France, Muret, Place Léon Blum | 2014-09-27 | 2014-09-28 | 2014 | 1 | |
| Teatro della Regina | Teatro della Regina | Italy, Cattolica, Piazzale della Repubblica 1 | 2001-03-06 | 2001-03-06 | 2001 | 1 | |
| Théâtre Marie Stuart | Théâtre Marie Stuart | France, Paris, 4 Rue Marie Stuart | 1986-10-30 | 1986-12-20 | 1986 | 1 | |
| Teatersalen | Teatersalen | Norway, Rommetveit | 1969-09-25 | -- | 1969 | 1 | |
| Theater | Theater | Germany, Marsberg | 1980-01-30 | -- | 1980 | 1 | |
| Teatro Panettone | Teatro Panettone | Italy, Ancona, Via Maestri del Lavoro, 60131 | 2016-05-06 | -- | 2016 | 1 | |
| The Plough Theatre | The Plough Theatre | England, Devon, 9-11 Fore St, Great Torrington | 1985-01-15 | -- | 1985 | 1 | |
| Théâtre National du Palais de Chaillot | Théâtre National du Palais de Chaillot | France, Paris, 1 Place du Trocadéro et du 11 Novembre | 1958-02-05 | -- | 1958 | 1 | |
| The Lights | The Lights | England, Andover, 3 West St | 2011-05-04 | -- | 2011 | 1 | |
| The Novelty Theatre | The Novelty Theatre | United States of America, San Francisco | 1908-05-23 | 1908-05-23 | 1908 | 1 | |
| Teatret i Nibe | Teatret i Nibe | Denmark, Nibe | 1907-11-05 | -- | 1907 | 1 | |
| The Artillery Lane Players | The Artillery Lane Players | United States of America, St. Augustine | 1948-02-20 | -- | 1948 | 1 | |
| Transteatral | Transteatral | Czech Republic, Prague, V Jámě 1598/4 | 2010-06-06 | -- | 2010 | 1 | |
| Teatro Angelicum | Teatro Angelicum | Italy, Milan | 1954-02-26 | 1954-02-27 | 1954 | 1 | |
| Teatro Principe di Napoli | Teatro Principe di Napoli | Italy, Catania | 1907-10-14 | -- | 1907 | 1 | |
| Theater der Stadt Marl | Theater der Stadt Marl | Germany, Marl, Am Theater 1 | 1962-05- | -- | 1962 | 1 | |
| Theatre of the Poor | Theatre of the Poor | United States of America, Casper, Wyoming, 140 East Midwest Ave, Suite 202 | 2025-01-10 | 2025-01- | 2025 | 1 | |
| The Auditorium | The Auditorium | United States of America, The High Point | 1913-12-30 | 1913-12-30 | 1913 | 1 | |
| Teatro Walter Mac Mazzieri | Teatro Walter Mac Mazzieri | Italy, Pavullo Nel Frignano, Via Giardini, 190, 41026 | 2013-11-19 | -- | 2013 | 1 | |
| Teatro La Latina | Teatro La Latina | Spain, Madrid, Plaza de la Cebada, 2 | 1922-12-14 | -- | 1922 | 1 | |
| Teatr Klasyczny | Teatr Klasyczny | Poland, Warsaw | 1971-04-24 | -- | 1971 | 1 | |
| Théâtre de Chartres | Théâtre de Chartres | France, Chartres, Place de Ravenne | 2005-02-24 | 2005-02-25 | 2005 | 1 | |
| Televisa | Televisa (MEX) | Mexico, Ciudad de México, Blvd. Adolfo López Mateos No. 2551 Col. Lomas de San Ángel Inn Delegación Álvaro Obregón | 1994-05-16 | -- | 1994 | 1 | |
| Trippel X | Trippel X | Netherlands, Amsterdam | 1994-07-28 | 1994-07-30 | 1994 | 1 | |
| Temple Theatre | Temple Theatre | United States of America, Owensboro | 1905-01-03 | 1905-01-03 | 1905 | 1 | |
| Târgu Lăpuş | Târgu Lăpuş | Romania, Târgu Lăpuş | -- | -- | | | |
| Tecuci | Tecuci | Romania, Tecuci | -- | -- | | | |
| Teatro di Documenti | Teatro di Documenti | Italy, Roma, Via Nicola Zabaglia, 42 | -- | -- | | | |
| Tallin | Tallin | Estonia | -- | -- | | | |
| Tel Aviv | Tel Aviv | Israel, Tel Aviv | -- | -- | | | |
| Trinity Theatre | Trinity Theatre | England, Cowes, The Grv | -- | -- | | | |
| Tigheci | Tigheci | Moldova, Tigheci | -- | -- | | | |
| Theater Antigone | Theater Antigone | Belgium, Overleiestraat 47 | -- | -- | | | |
| The Den Theatre | The Den Theatre | United States of America, Chicago, 1331 N. Milwaukee Ave Chicago, IL 60622 | -- | -- | | | |
| The Hague | The Hague | Netherlands, The Hague | -- | -- | | | |
| Theater am Schiffbauerdamm | Theater am Schiffbauerdamm | Germany, Berlin, Bertolt-Brecht-Platz 1 | -- | -- | | | |
| Teatro Studio Mejerchol’d | Teatro Studio Mejerchol’d | Italy, Bari | -- | -- | | | |
| tulleteater | tulleteater | Belarus | -- | -- | | | |
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