| Theatro Nea Skini | Theatro Nea Skini | Greece, Athens, Agiou Konstantinou 22 | 1903-06-12 | 2018-02-04 | 1903–2017 | 4 | |
| Theater Wolfsburg | Theater Wolfsburg | Germany, Wolfsburg, Klieverhagen 50 | 1980-02-09 | 1999-01-08 | 1980–2017 | 4 | |
| Theater im Pfalzbau | Theater im Pfalzbau | Germany, Ludwigshafen, Berliner Straße 30 | 1980-01-06 | 2004-03-17 | 1980–2012 | 4 | |
| Theatro Technis | Theatro Technis | England, London, 26 Crowndale Rd | 2004-10-19 | 2018-12-19 | 2004–2017 | 4 | |
| Theatro Alampra | Theatro Alampra | Egypt, Alexandria | 1910-10-12 | 1939-12-12 | 1910–1945 | 4 | |
| Thionville | NEST - CDN transfrontalier de Thionville-Grand Est | France, Thionville, 15 Route de Manom | 1991-11-15 | 2018-06-08 | 1991–2018 | 4 | |
| Theater der Stadt Plauen | Theater der Stadt Plauen | Germany, Plauen, Theaterplatz | 1962-04-21 | -- | 1962–1981 | 4 | |
| Teatro Cuyás | Teatro Cuyás | Spain, Las Palmas de Gran Canaria, Calle Viera y Clavijo, s/n | 2005-10-04 | 2011-01-30 | 2005–2011 | 4 | |
| The Questors Studio | The Questors Studio | England, London, 12 Mattock Ln | 1975-05- | 2017-12-05 | 1975–2015 | 4 | |
| Theatre Royal | Theatre Royal | England, Manchester, Smithy Street | 1904-04-25 | 1904-04-30 | 1904–1910 | 4 | |
| Théâtre National de Marseille, La Criée | Théâtre National de Marseille, La Criée | France, Marseille, 30 Quai Rive Neuve | 1980-03-18 | 2020-01-25 | 1980–2020 | 4 | |
| Théâtre Dijon Bourgogne | Théâtre Dijon Bourgogne | France, Dijon, Place du théâtre | 2003-04-24 | 2017-05-24 | 2003–2017 | 4 | |
| Teatr Dramatyczny | Teatr Dramatyczny | Poland, Warsaw, Plac Defilad 1 | 1973-06-03 | 2007-05-18 | 1973–2007 | 4 | |
| Theater Augsburg | Theater Augsburg | Germany, Augsburg, Kasernstraße 4 | 2001-10-06 | 2009-06-12 | 2001–2017 | 4 | |
| Tynset | Tynset | Norway, Tynset | 1991-10-15 | -- | 1991–2005 | 4 | |
| Teatro Municipal de Santiago | Teatro Municipal de Santiago | Chile, Santiago, Agustinas 794, Región Metropolitana | 1926-12-22 | 2017-01-22 | 1926–2017 | 4 | |
| Theater Winterthur | Theater Winterthur | Austria, Winterthur, Theaterstrasse 4 | 2000-01-21 | 2000-01-21 | 2000–2014 | 4 | |
| Teatro Quirino | Teatro Quirino | Italy, Rome, Via delle Vergini | 1955-12-28 | 2003-06-01 | 1955–2003 | 4 | |
| Theater Monty | Theater Monty | Belgium, Antwerpen, Montignystraat 3 | 1993-05-19 | 2014-03-22 | 1993–2014 | 4 | |
| Turku (Åbo) | Turku (Åbo) | Finland, Turku (Åbo) | 1878-10-16 | 1893-09-14 | 1878–1893 | 4 | |
| Tingvang | Tingvang | Norway, Heggenes | 1971-02-11 | -- | 1971–1973 | 4 | |
| Teatret i Holstebro | Teatret i Holstebro | Denmark, Holstebro | 1880-05-20 | -- | 1880–1907 | 4 | |
| Théâtre La Piscine | Théâtre La Piscine | France, Châtenay-Malabry, 254 Avenue de la Division Leclerc | 2002-10-16 | 2019-10-20 | 2002–2019 | 4 | |
| Théâtre de l´Ancre | Théâtre de l´Ancre | Belgium, Charleroi, Rue de Montigny 122 | 1986-10-14 | 1996-05-25 | 1986–1996 | 4 | |
| Teatro Garcia de Resende | Teatro Garcia de Resende | Portugal, Évora | 1987-11-19 | 2007-04-07 | 1987–2007 | 4 | |
| Théâtre de Saint-Quentin-en-Yvelines | Théâtre de Saint-Quentin-en-Yvelines | France, Saint-Quentin, Place Georges Pompidou | 2005-02-15 | 2020-02-01 | 2005–2020 | 4 | |
| Teatrul Dramatic I.D.Sîrbu Petrosani | Teatrul Dramatic I.D.Sîrbu Petrosani | Romania, Petroşani, Mihai Viteazu street, nr. 2 | 1964-02-22 | 2017-01-28 | 1964–2016 | 4 | |
| Toronto | Toronto | Canada, Toronto | 1908-04- | 2020-05-17 | 1908–2020 | 4 | |
| Theatro Sporting Club | Theatro Sporting Club | Turkey, Izmir | 1909-03-03 | -- | 1909–1920 | 4 | |
| Theatro Neapoleos | Theatro Neapoleos | Greece, Athens | 1899-07-20 | 1904-07-26 | 1899–1904 | 4 | |
| Théâtre Sorano | Théâtre Sorano | France, Toulouse, 35 Allée Jules Guesde | 2003-11-05 | 2019-04-05 | 2003–2019 | 4 | |
| Tarnów | Tarnów | Poland, Tarnów | 1904-02-08 | -- | 1904–1918 | 4 | |
| Teatro della Corte | Teatro della Corte | Italy, Genova, Piazza Borgo Pila, 42 | 1999-01-28 | 2013-02-24 | 1999–2013 | 4 | |
| Teatr Dramatyczny im. Aleksandra Węgierki | Teatr Dramatyczny im. Aleksandra Węgierki | Poland, Białystok, Elektryczna 12 | 1961-12-09 | -- | 1961–1980 | 4 | |
| Theater am Domhof | Theater am Domhof | Germany, Osnabrück, Domhof 10-11 | 1926-11-21 | -- | 1926–2014 | 4 | |
| Terry's Theatre | Terry's Theatre | England, London, Strand | 1891-01-27 | 1908-02-15 | 1891–1908 | 3 | |
| Théâtre de l’Archipel | Théâtre de l’Archipel | France, Perpignan, Avenue Général Leclerc | 2013-01-19 | 2019-12-05 | 2013–2019 | 3 | |
| Theater de Tamboer | Theater de Tamboer | Netherlands, Hoogeveen, Hoofdstraat 17 | 1989-02-06 | 1989-04-02 | 1989–2001 | 3 | |
| Teatr Powszechny | Teatr Powszechny | Poland, Łódź, Legionów 21 | 1960-05-07 | 2016-04-23 | 1960–2016 | 3 | |
| Teatro dei Rozzi | Teatro dei Rozzi | Italy, Siena, Piazza Indipendenza, 15 | 1893-03-22 | -- | 1893–2016 | 3 | |
| Theatro Pallas | Theatro Pallas | Greece, Thessaloniki | 1939-05-08 | 1940-05-31 | 1939–1940 | 3 | |
| Theatro Avlaia | Theatro Avlaia | Greece, Thessaloniki | 1968-03-05 | 2002-02-10 | 1968–2002 | 3 | |
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