| Tao Tao Theatre | Tao Tao Theatre | China, Nanjing, Yanlin Alley | 1935-01-01 | 1935-01-03 | 1935 | 1 | |
| TeaterHUSET | TeaterHUSET | Denmark, Copenhagen, Magstræde 14 | 2006-10-12 | 2006-10-15 | 2006 | 1 | |
| Théâtre de l’Opsis, Le | Le Théâtre de l’Opsis | Canada, Montréal, 1600 DE LORIMIER AVE | 2017-01-30 | 2017-02-19 | 2017 | 1 | |
| Teatteri Ulpu | Teatteri Ulpu | Finland, Ulvila, Rauhantie 6 | 2005-04-09 | 2005-04-25 | 2005 | 1 | |
| Terschelling | Terschelling | Netherlands, Terschelling, Friesland | 1999-06-10 | 1999-06-19 | 1999 | 1 | |
| Theater Verkade | Theater Verkade | Netherlands, The Hague | 1913-12-12 | -- | 1913 | 1 | |
| Topoľčany | Topoľčany | Slovak Republic, Topoľčany | 1912-04-25 | -- | 1912 | 1 | |
| Theater Wit | Theater Wit | United States of America, Chicago, 1229 W Belmont Ave | 2011-02-25 | 2011-04-03 | 2011 | 1 | |
| Teatro Leonardo da Vinci | Teatro Leonardo da Vinci | Italy, Milano, Via Andrea Maria Ampère, 1, 20131 | 2021-09-27 | -- | 2021 | 1 | |
| Teatre Municipal de Palafrugell | Teatre Municipal de Palafrugell | Spain, Palafrugell, Carrer de Santa Margarida, 1 | 2008-09-05 | -- | 2008 | 1 | |
| Torbalı Belediyesi Kültür Merkezi | Torbalı Belediyesi Kültür Merkezi | Turkey, Izmir, Muratbey, Belediye Kültür Merkezi Torbali, 3564. Sokak, Torbalı/İzmir, Türkiye | 2023-04-05 | 2023-04-05 | 2023 | 1 | |
| Theatro Paradeisos | Theatro Paradeisos | Greece, Patra | 1918-08- | -- | 1918 | 1 | |
| Teatre del Circ Barcelonès | Teatre del Circ Barcelonès | Spain, Barcelona, Carrer de Montserrat, 18 | 1896-05-23 | 1896-05-23 | 1896 | 1 | |
| Thália Társaság | Thália Társaság | Hungary, Budapest | 1906-12-25 | 1907-04-14 | 1906 | 1 | |
| Teatro Principal de San Sebastián | Teatro Principal de San Sebastián | Spain, Donostia-San Sebastian, Calle Mayor, 3, | 1965-04-25 | -- | 1965 | 1 | |
| Teatro Cândido Mendes | Teatro Cândido Mendes | Brazil, Rio de Janeiro | 1983-12-09 | -- | 1983 | 1 | |
| Theatro Katrakeio | Theatro Katrakeio (Katrakeio Theater) | Greece, Piraeus | 1994-08-18 | 1994-08-18 | 1994 | 1 | |
| Teatr Imka | Teatr Imka | Poland, Warsaw, M. Konopnickiej 6 | 2016-11-23 | 2016-11-23 | 2016 | 1 | |
| théatro «Dimítris Chorn» | théatro «Dimítris Chorn» ("Dimitris Horn" theater) | Greece, Athens | 2013-10-24 | 2014-01-19 | 2013 | 1 | |
| Teatr im. Juliusza Osterwy | Teatr im. Juliusza Osterwy | Poland, Lublin, prezydenta Gabriela Narutowicza 17 | 1958-03-01 | -- | 1958 | 1 | |
| Teatro Agnelli | Teatro Agnelli | Italy, Torino, Via Paolo Sarpi 111 | 2001-04-04 | 2001-04-06 | 2001 | 1 | |
| Theatro Ellinikon | Theatro Ellinikon | Greece, Athens | 1906-07-24 | 1906-08-05 | 1906 | 1 | |
| Theatro São Pedro | Theatro São Pedro | Brazil, São Paulo, R. Barra Funda, 171 | 2018-10-07 | -- | 2018 | 1 | |
| Teatro Sociale | Teatro Sociale | Italy, Varese | 1893-03-13 | -- | 1893 | 1 | |
| Triad Stage | Triad Stage | United States of America, Greensboro, 232 S Elm St | 2004-04-25 | 2004-05-16 | 2004 | 1 | |
| Theatro Amore | Theatro Amore (Amore Theater) | Greece, Athina, Prigkiponnison 2 | 1994-03-16 | 1994-04-24 | 1994 | 1 | |
| Theatre Delicatessen | Theatre Delicatessen | England, London, 35 Marylebone High Street | 2011-01-05 | 2011-02-05 | 2011 | 1 | |
| Theatre Moasat | Theatre Moasat | Egypt, Alexandria | 1946-12-20 | 1946-12-22 | 1946 | 1 | |
| The Little Theatre, DePauw University | The Little Theatre, DePauw University | United States of America, Greencastle | 1963-03-28 | -- | 1963 | 1 | |
| Théâtre du Merlan | Théâtre du Merlan | France, 13014 Marseille, Av. Raimu | 2024-12-19 | 2024-12-19 | 2024 | 1 | |
| Teatro Stabile di Abruzzo | Teatro Stabile di Abruzzo | Italy, L'Aquila | 2012-02-23 | 2012-02-24 | 2012 | 1 | |
| Teatre Collel | Teatre Collel | Spain, Manlleu | 1915-08-29 | -- | 1915 | 1 | |
| Trondheim Torg | Trondheim Torg | Norway, Trondheim, Kongens gate 9 | 2004-11-06 | 2004-11-13 | 2004 | 1 | |
| Teatro El Albéitar | Teatro El Albéitar | Spain, León, Av. Facultad de Veterinaria, 25 | 2015-01-31 | -- | 2015 | 1 | |
| Teatro Rossini | Teatro Rossini | Italy, Lugo, Piazza Cavour, 17, 48022 | 2017-01-13 | 2017-01-15 | 2017 | 1 | |
| Tanssiteatteri ERI | Tanssiteatteri ERI | Finland, Turku, Yliopistonkatu 7 | 1946-- | 1947-- | 1946 | 1 | |
| Teatro Mauro Bolognini | Teatro Mauro Bolognini | Italy, Pistoia, Via del Presto, 5, 51100 | 2018-10-15 | -- | 2018 | 1 | |
| Teatro Don Bosco | Teatro Don Bosco | Italy, Rome, Via Publio Valerio, 63 | 2004-11-26 | -- | 2004 | 1 | |
| Theater Excelsior | Theater Excelsior | Netherlands, The Hague, Statenlaan 45 | 1933-03-06 | -- | 1933 | 1 | |
| Théatro Aristotéleion | Théatro Aristotéleion (Aristotelian theater) | Greece, Thessaloniki 546 21, Eth. Aminis 2 | 2023-10-18 | 2023-10-22 | 2023 | 1 | |
| Theatro Akropolis | Theatro Akropolis | Greece, Thessaloniki | 1929-09-13 | -- | 1929 | 1 | |
| Theater des Westens | Theater des Westens | Germany, Berlin, Kantstraße 12 | 1903-11-19 | -- | 1903 | 1 | |
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