| Tejido Abierto Teatro | Tejido Abierto Teatro | Spain, Madrid, Pza del Alamillo, 8 | 2016-12-14 | 2017-05-07 | 2016 | 1 | |
| The Phoenix Players | The Phoenix Players | Kenya, Nairobi, P.O. Box 52383 County Ln | 2005-04-16 | 2005-04-30 | 2005 | 1 | |
| Thalia-Theater | Thalia-Theater | Germany, Halle, Geiststrasse 42a | 1898-03-07 | 1898-03-10 | 1898 | 3 | |
| Teatr kukol | Teatr kukol (Puppet Theatre) | Russia, Kemerovo, Vesennyaya Ulitsa, 18 | 2002-12-05 | -- | 2002 | 1 | |
| Timothy Christian Schools | Timothy Christian Schools | United States of America, Elmhurst, 188 West Butterfield Road | 2006-05-06 | -- | 2006 | 1 | |
| Teatrul Municipal din Baia-Mare | Teatrul Municipal din Baia-Mare | Romania, Baia-Mare, Strada Crișan, Nr. 8 | 1969-12-23 | 1970-- | 1969–2015 | 6 | |
| Theatre Royal | Theatre Royal | Australia, Broken Hill, 347 Argent Street | 1891-08-10 | 1891-08-11 | 1891 | 1 | |
| Târnăveni | Târnăveni | Romania, Târnăveni | 1911-07-07 | -- | 1911 | 1 | |
| Toneelacademie Maastricht | Toneelacademie Maastricht | Netherlands, Maastricht, Lenculenstraat 31-33 | 2002-05-23 | -- | 2002–2004 | 2 | |
| Teatro de La Abadía - Sala Juan de la Cruz | Teatro de La Abadía - Sala Juan de la Cruz | Spain, Madrid, Fernández de los Ríos, 42 | 2012-03-22 | 2022-06-19 | 2012–2022 | 2 | |
| Teatro Leonardo da Vinci | Teatro Leonardo da Vinci | Italy, Milano, Via Andrea Maria Ampère, 1, 20131 | 2021-09-27 | -- | 2021 | 1 | |
| Totleben | Totleben | Bulgaria, Totleben | -- | -- | | | |
| The Grand Opera House | The Grand Opera House | United States of America, New Orleans | 1895-04-29 | 1896-01-09 | 1895–1896 | 2 | |
| 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 | |
| Teatro Giovanni Testori | Teatro Giovanni Testori | Italy, Forlì, Viale Amerigo Vespucci, 13 | 2004-01-10 | -- | 2004–2008 | 2 | |
| Theatro Athina | Theatro Athina (Athens Theater) | Greece, Athina, Derigni 10 | 1979-11-02 | 1979-12-16 | 1979 | 1 | |
| Theater im Wiesenhaus | Theater im Wiesenhaus | Germany, Eisleben | 1900-05-05 | -- | 1900 | 1 | |
| Teatre del Circ Barcelonès | Teatre del Circ Barcelonès | Spain, Barcelona, Carrer de Montserrat, 18 | 1896-05-23 | 1896-05-23 | 1896 | 1 | |
| Teatr Panteon | Teatr Panteon | Poland, Lublin | 1918-03-21 | -- | 1918 | 1 | |
| Theater der Stadt Diepholz | Theater der Stadt Diepholz | Germany, Diepholz, Schlesierstraße 13 | 2003-01-22 | -- | 2003 | 1 | |
| Teatro Municipal da Guarda | Teatro Municipal da Guarda | Portugal, Guarda, Rua Batalha Reis | 2008-01-19 | -- | 2008 | 1 | |
| Teatro Calvert (Colegio Americano Calvert ) | Teatro Calvert (Colegio Americano Calvert ) | Bolivia, La Paz, American Cooperative School Colegio Calvert, | 2016-07-05 | -- | 2016 | 1 | |
| Theatre Variete | Theatre Variete | Turkey, Istanbul | 1907-11-21 | -- | 1907–1908 | 2 | |
| Teatro La Comunità | Teatro La Comunità | Italy, Rome, Via Giggi Zanazzo, 1 | 1990-12-10 | -- | 1990–1992 | 2 | |
| Teatro Duse | Teatro Duse | Italy, Genova | 1960-10-28 | 2001-03-25 | 1960–2001 | 4 | |
| Teatar na Narodnata armija | Teatar na Narodnata armija | Bulgaria, Sofia | 1983-04-29 | -- | 1983 | 1 | |
| Teatro Commenda | Teatro Commenda | Italy, Milan | 1892-06-11 | 1892-07-11 | 1892–1965 | 5 | |
| Theatro Alkyonis | Theatro Alkyonis | Greece, Athens, Ioulianou | 1993-12-25 | 2002-04-28 | 1993–2001 | 2 | |
| Teatr Polskiego Radia | Teatr Polskiego Radia | Poland, Warsaw, Modzelewskiego 59 | 2012-12-23 | 2012-12-23 | 2012 | 1 | |
| Theater Augsburg (Komödie) | Theater Augsburg (Komödie) | Germany, Augsburg, Kennedy-Platz 1 | 1962-12-06 | -- | 1962–2003 | 3 | |
| Theatron Al-Midan | Theatron Al-Midan (Al Midan Theatre) | Israel, Haifa | 2006-02-08 | -- | 2006–2008 | 2 | |
| Teatro del Sindicato Mexicano de Electricistas | Teatro del Sindicato Mexicano de Electricistas | Mexico, Mexico by, D.F. | 1943-03-18 | -- | 1943–1956 | 2 | |
| Teatr Ziemi Pomorskiej | Teatr Ziemi Pomorskiej | Poland, Grudziadz | 1972-01-21 | -- | 1972–1976 | 2 | |
| Theatre Calgary | Theatre Calgary | Canada, Calgary, 205 - 8th Ave. S.E | -- | -- | | | |
| Turnişor | Turnişor | Romania, Sibiu | -- | -- | | | |
| Teatro fACTORy 32 | Teatro fACTORy 32 | Italy, 20143 Milano, Via Giacomo Watt, 32 | 2024-10-18 | 2025-02-16 | 2024–2025 | 2 | |
| Telemark | Telemark | Norway, Telemark | 1992-- | 2000-11-28 | 1992–2000 | 2 | |
| Theater Stralsund (Theater Vorpommern) | Theater Stralsund (Theater Vorpommern) | Germany, Stralsund, Olof-Palme-Platz 6 | 2009-02-07 | 2009-05-16 | 2009 | 1 | |
| Teatro Comunale | Teatro Comunale | Italy, Russi, Via Camillo Benso Conte di Cavour, 8, 48026 | 2019-04-09 | -- | 2019 | 1 | |
| Théâtre des Menus Plaisirs | Théâtre des Menus Plaisirs | France, Paris, 33 Rue Fbg St Martin | 1895-05-08 | -- | 1895 | 1 | |
| Theatre Margot, Johnson Center for Fine Arts | Theatre Margot, Johnson Center for Fine Arts | United States of America, Franklin, 101 Branigin Blvd | 2007-05-02 | 2007-05-06 | 2007 | 1 | |
| Teatro Circo Español | Teatro Circo Español (Teatre Circ Espanyol) | Spain, Barcelona, Avinguda del Paral·lel, 62 | 1905-01-13 | -- | 1905 | 1 | |
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