| Teatro Lope de Vega | Teatro Lope de Vega | Spain, Valladolid, Calle María de Molina, 12, | 1946-05-08 | -- | 1946 | 1 | |
| Teatr Ludowy | Teatr Ludowy | Poland, Warsaw | 1957-03-02 | -- | 1957 | 1 | |
| Théâtre de Genève | Théâtre de Genève | Switzerland, Genève | 1906-09-21 | -- | 1906 | 1 | |
| Teatro Quirino | Teatro Quirino | Italy, Rome, Via delle Vergini | 1943-02-20 | 2022-12-18 | 1943–2022 | 6 | |
| Town Assembly | Town Assembly | Malawi, Nkhotakota | 2006-06-10 | -- | 2006 | 1 | |
| The Grand | The Grand | United States of America, Great Falls | 1904-02-29 | 1909-01-16 | 1904–1909 | 2 | |
| Theatrikos Stathmos | Theatrikos Stathmos (Heraklion Theater Station) | Greece, Heraklion / Irakleio | 2005-01-15 | 2011-12-16 | 2005–2011 | 2 | |
| Teatre Kursaal | Teatre Kursaal | Spain, Manresa, Barcelona, Passeig de Pere III, 35 | 2008-10-18 | 2008-10-19 | 2008 | 1 | |
| Theatro Attikon | Theatro Attikon (Atticon Theatre) | Greece, Kavala | 1940-01-31 | -- | 1940 | 2 | |
| Theater i Neksø | Theater i Neksø | Denmark, Neksø | 1902-11-07 | -- | 1902 | 1 | |
| Tribühne Norderstedt | Tribühne Norderstedt | Germany, Norderstedt, Jörg Peter Hahn Pl. 1 | 2003-01-21 | -- | 2003–2017 | 2 | |
| Teatr Studio | Teatr Studio | Ukraine, Kiev | 1916-11-09 | 1916-11-17 | 1916–1917 | 2 | |
| The People´s Theatre, Fortune Theatre | The People´s Theatre, Fortune Theatre | England, London, Russell Street | 1931-03-23 | -- | 1931 | 1 | |
| The Grand | The Grand | United States of America, Kansas City | 1904-03-03 | 1904-03-05 | 1904 | 1 | |
| Teatret Faxe Ladeplads | Teatret Faxe Ladeplads | Denmark, Faxe Ladeplads | 1909-10-23 | -- | 1909 | 2 | |
| Théâtre Royal du Parc | Théâtre Royal du Parc | Belgium, Brussels, Rue de la Loi 3 | 1889-03-01 | 2023-06-18 | 1889–2023 | 18 | |
| Teaterhuset Forum | Teaterhuset Forum | Norway, Molde, Julsundveien 4 | 2001-03-21 | 2001-04-20 | 2001 | 1 | |
| Teatro Rosalía de Castro | Teatro Rosalía de Castro | Spain, A Coruña, Calle del Riego de Agua, 37, | 2005-12-16 | 2005-12-17 | 2005 | 1 | |
| Teatr Dramatyczny | Teatr Dramatyczny | Poland, Warsaw, Plac Defilad 1 | 1973-06-03 | 2007-05-18 | 1973–2007 | 4 | |
| Théâtre Franklin | Théâtre Franklin | France, Paris, 12 rue Benjamin Franklin | 1957-01-02 | -- | 1957 | 1 | |
| Teatr Polski w Wilnie (Teatr na Pohulance) | Teatr Polski w Wilnie (Teatr na Pohulance) | Lithuania, Vilnius, Basanavičiusa 13 | 1923-01-22 | 1923-12-10 | 1923 | 3 | |
| Theatro Titania | Theatro Titania (Titania Theater) | Greece, Ioannina | 1940-04-05 | -- | 1940 | 1 | |
| Teatret i Nibe | Teatret i Nibe | Denmark, Nibe | 1907-11-05 | -- | 1907 | 1 | |
| Theatre 3 | Theatre 3 | United States of America, New York, 311 W 43rd St | 2003-05-17 | 2003-06-22 | 2003 | 1 | |
| TheatreLab@855 | TheatreLab@855 | United States of America, Boston | 2013-12-11 | 2013-12-15 | 2013 | 1 | |
| Tērbatā | Tērbatā | Estonia, Tartu | 1918-09-10 | -- | 1918 | 1 | |
| Theatro Megas Alexandros | Theatro Megas Alexandros (Theater of Alexander the Great) | Greece, Thessaloniki | 1933-09-20 | -- | 1933 | 1 | |
| Tbilisi International Festival of Theatre | Tbilisi International Festival of Theatre | Georgia, Tbilisi | 2015-10-05 | -- | 2015 | 1 | |
| Teatro Politheama | Teatro Politheama | Brazil, São Paulo, R. Barão de Jundiaí | 1899-10- | -- | 1899 | 1 | |
| Technochoros Pantomima | Technochoros Pantomima | Greece, Athens | 2006-03-02 | 2007-01- | 2006 | 2 | |
| Theater am Aegi | Theater am Aegi | Germany, Hannover, Aegidientorplatz 2 | 1975-10-17 | -- | 1975–1982 | 2 | |
| Tinntjønn skole | Tinntjønn skole | Norway, Søgne, Søgne | 2006-10-27 | -- | 2006 | 1 | |
| Tylovo divadlo | Tylovo divadlo | Czech Republic, Prague | 1966-01-26 | 1967-05-23 | 1966 | 1 | |
| Teatry Dramatyczne | Teatry Dramatyczne | Poland, Częstochowa | 1955-02-22 | -- | 1955 | 1 | |
| Teatrul pentru Copii și Tineret "Luceafărul" | Teatrul pentru Copii și Tineret "Luceafărul" | Romania, Iași, str. Grigore Ureche nr. 5 | 2015-10-06 | -- | 2015 | 1 | |
| Toynbee Hall Theatre | Toynbee Hall Theatre | England, London, 28 Commercial St | 1949-02-12 | -- | 1949 | 1 | |
| Thessaloniki | Thessaloniki | Greece, Thessaloniki | 1962-03-15 | 1962-05-24 | 1962 | 1 | |
| Theater De Engelenbak | Theater De Engelenbak | Netherlands, Amsterdam, Nes 71 | 1991-01-11 | -- | 1991 | 1 | |
| Theatro Polytheama | Theatro Polytheama (Polytheama theater) | Greece, Pireus | 1898-08-16 | 1913-02-14 | 1898–1913 | 3 | |
| Teatret i Hillerød (Hotel Leidersdorff) | Teatret i Hillerød (Hotel Leidersdorff) | Denmark, Hillerød | 1883-11-05 | -- | 1883–1907 | 3 | |
| Tehran | Tehran | Iran, Tehran | 2016-01-27 | 2016-01-28 | 2016 | 1 | |
| Teatro Romano | Teatro Romano | Italy, Provincia di Massa Carrara | 1969-07-30 | 1969-08-01 | 1969 | 1 | |
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