| Teatr Polski im. Hieronima Konieczki | Teatr Polski im. Hieronima Konieczki | Poland, Bydgoszcz, Aleje Adama Mickiewicza 2 | 1973-04-08 | -- | 1973–1981 | 2 | |
| Teatre Euterpe | Teatre Euterpe (Teatro Euterpe) | Spain, Mataró, Carrer de la Riera, 119 | 1902-09-07 | -- | 1902 | 1 | |
| Theatrikos Stathmos | Theatrikos Stathmos (Heraklion Theater Station) | Greece, Heraklion / Irakleio | 2005-01-15 | 2011-12-16 | 2005–2011 | 2 | |
| Teatro de Rossi | Teatro de Rossi | Italy, Rome, Via Cesare Baronio, 127, 00179 | 2024-04-05 | 2024-04-14 | 2024 | 1 | |
| Tampereen Työväen Teatteri | Tampereen Työväen Teatteri | Finland, Tampere, Hämeenpuisto 28 | 1925-- | 2012-05-10 | 1925–2012 | 3 | |
| Theatro Olympia | Theatro Olympia | Greece, Chania, Crete | 1939-04-24 | 1939-04-25 | 1939 | 1 | |
| Teatro Principe di Napoli | Teatro Principe di Napoli | Italy, Catania | 1907-10-14 | -- | 1907 | 1 | |
| Theatre in the Hotel du Nord | Theatre in the Hotel du Nord | Norway, Stavanger | 1878-05-19 | 1878-06-11 | 1878 | 2 | |
| Teatro Maria Matos | Teatro Maria Matos | Portugal, Lisbon, Avenida Frei Miguel Contreiras 52 | 1986-01-16 | 2012-07-09 | 1986–2012 | 2 | |
| Telfair Peet Theatre | Telfair Peet Theatre | United States of America, Auburn, 350 W Samford Ave | 2021-09-30 | 2021-10-06 | 2021 | 1 | |
| Theaterboerderij Het Hek van de Dam | Theaterboerderij Het Hek van de Dam | Netherlands, Ekehaar | 2004-04-03 | 2004-09-11 | 2004 | 1 | |
| Teatro Olmetto | Teatro Olmetto | Italy, Milan | 1990-03-05 | -- | 1990 | 1 | |
| Teatro Ivo Chiesa | Teatro Ivo Chiesa | Italy, Genova, viale Duca d’Aosta, 16129 | 2013-02-19 | 2018-11-18 | 2013–2018 | 4 | |
| Teatro Hidalgo | Teatro Hidalgo | Mexico, Ciudad de México, Av. Hidalgo 23, Cuauhtémoc | 1932-10-14 | -- | 1932–1964 | 2 | |
| Teatro Nuovo | Teatro Nuovo | Italy, Naples, Via Montecalvario, 16 | 1898-10-28 | 2011-03-10 | 1898–2010 | 2 | |
| Trossnäs lägerplats | Trossnäs lägerplats | Sweden, Trossnäs | 1911-06-30 | -- | 1911 | 1 | |
| Teatro Guairinha | Teatro Guairinha | Brazil, Curitiba, Rua 15 Novembro, 971 - Centro | 2006-03-24 | 2006-03-26 | 2006 | 1 | |
| Teatr Studio | Teatr Studio | Ukraine, Kiev | 1916-11-09 | 1916-11-17 | 1916–1917 | 2 | |
| Teatro 3 de febreo | Teatro 3 de febrero | Bolivia, Sucre, Arenales 8 | 2004-09- | -- | 2004 | 1 | |
| Teaterlokalet | Teaterlokalet | Norway, Sandefjord, Jernbanealleen 34 | 1956-10-15 | -- | 1956–1969 | 5 | |
| Trilogy Theatre | Trilogy Theatre | United States of America, New York, 341 W 44th St | 1998-12-02 | 2000-10-21 | 1998–2000 | 2 | |
| Teatro delle Moline | Teatro delle Moline | Italy | 2023-01-11 | 2023-01-11 | 2023 | 1 | |
| Trondenes fort | Trondenes fort | Norway, Harstad, Trondenes | 1994-03-21 | -- | 1994 | 1 | |
| Teatro Sociale | Teatro Sociale | Italy, Brescia, Via Felice Cavallotti 20 | 2001-01-30 | 2018-03-15 | 2001–2018 | 5 | |
| Teatro Palladium | Teatro Palladium | Italy, Roma, Piazza Bartolomeo Romano, 8 | 2020-02-20 | 2020-02-23 | 2020 | 1 | |
| Teatro della Villa | Teatro della Villa | Italy, Rome | 1999-12-08 | 1999-12-19 | 1999 | 1 | |
| Theatro Elsa Vergi | Theatro Elsa Vergi (Elsa Vergi Theater) | Greece, Athens | 1967-02-03 | 1972-04-02 | 1967–1971 | 2 | |
| Teatre Lliure YouTube channel | Teatre Lliure YouTube channel | Spain | 2020-04-23 | 2020-04-26 | 2020 | 1 | |
| Tennessee Technological University Backdoor Playhouse | Tennessee Technological University Backdoor Playhouse | United States of America, Cookeville, 805 Quadrangle | 2006-11-09 | 2006-11-18 | 2006 | 1 | |
| Théâtre de Poche | Théâtre de Poche | Belgium, Brussels, 1000 City of Brussels | 1975-- | -- | 1975 | 1 | |
| Theatro Aktaio | Theatro Aktaio | Cyprus, Limassol | 1903-10-05 | -- | 1903 | 1 | |
| Tatabánya | Tatabánya | Hungary, Tatabánya | 1927-05-05 | -- | 1927 | 1 | |
| Teatr Polski im. Arnolda Szyfmana | Teatr Polski im. Arnolda Szyfmana | Poland, Warszawa, ul. Kazimierza Karasia 2 | 2017-10-06 | -- | 2017 | 1 | |
| Teatro Puccini | Teatro Puccini | Italy, Udine | 1928-03-11 | -- | 1928 | 1 | |
| TU-Nantes | TU-Nantes | France, Nantes, Chemin de la Censive du Tertre | 2012-02-28 | 2018-02-23 | 2012–2018 | 2 | |
| Teatro Matteotti | Teatro Matteotti | Italy, Moncalieri, Via Giacomo Matteotti, 1 | 1996-02-08 | 1996-02-12 | 1996 | 1 | |
| Teatro Monumento | Teatro Monumento | Italy, Pescara, Lungomare Cristoforo Colombo, 122 | 1969-07-22 | -- | 1969 | 1 | |
| Theater at St. Clement’s | Theater at St. Clement’s | United States of America, New York, 423 W 46th St | 2009-11-30 | 2009-11-30 | 2009 | 1 | |
| Teatro del Notariado | Teatro del Notariado | Uruguay, Montevideo, Guayabo 1729 | 1980-09-25 | -- | 1980–2001 | 2 | |
| Thália Színház | Thália Színház | Hungary, Budapest, Nagymező utca 22-24. | 2005-10-14 | 2012-10-14 | 2005–2012 | 4 | |
| Teatr Komi | Teatr Komi | Russia, Syktyvkar, Syktyvkar | 1950-02- | -- | 1950 | 1 | |
| Teatro-Estúdio Mário Viegas | Teatro-Estúdio Mário Viegas | Portugal, Lisbon, Largo do Picadeiro | 1998-09-10 | 2005-03-31 | 1998–2004 | 2 | |
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