| Theatre Royal | Theatre Royal | Australia, Sydney, Castlereagh Street | 1952-10-15 | -- | 1952 | 1 | |
| Teatrul Național Radiofonic (Societatea Română de Radiodifuziune) | Teatrul Național Radiofonic (Societatea Română de Radiodifuziune) | Romania, Bucureşti, Str. General Berthelot, Nr. 60-64 | 1929-09-28 | 1991-- | 1929–2006 | 16 | |
| Teatro Municipale | Teatro Municipale | Italy, Casale Monferrato, Piazza Castello 9 | 2001-12-11 | 2001-12-12 | 2001 | 1 | |
| Théâtre de la Manufacture | Théâtre de la Manufacture | France, Nancy, 10 Rue Baron Louis | 2007-01-30 | 2007-02-10 | 2007 | 1 | |
| Teatro Principe di Napoli | Teatro Principe di Napoli | Italy, Catania | 1907-10-14 | -- | 1907 | 1 | |
| Théâtre Municipal de Charleville-Mézières | Théâtre Municipal de Charleville-Mézières | France, Charleville-Mézières, Place Du Théatre | 2015-03- | -- | 2015 | 1 | |
| Toronto Free Theatre | Toronto Free Theatre | Canada, Toronto | 1972-11-10 | -- | 1972–1973 | 2 | |
| Teatro Municipal Joaquim Benite | Teatro Municipal Joaquim Benite | Portugal, Almada, Av. Prof. Egas Moniz | 2014-02-08 | -- | 2014 | 1 | |
| Teatro Gonzaga | Teatro Gonzaga | Brazil, Pelotas | 1966-10-16 | -- | 1966 | 1 | |
| Timrå | Timrå | Sweden, Timrå | 1989-10-04 | 1989-10-04 | 1989 | 1 | |
| Towarzystwo Miłośników Sceny | Towarzystwo Miłośników Sceny | Poland, Warsaw | 1899-01-22 | 1902-03-05 | 1899–1901 | 2 | |
| Teatro Comunale | Teatro Comunale | Italy, Trieste | 1891-10-21 | -- | 1891–1893 | 2 | |
| Théâtre de Gisors | Théâtre de Gisors | France, Gisors | 2013-04-07 | -- | 2013 | 1 | |
| Teatro do Centro Cultural da Caixa Econômica Federal | Teatro do Centro Cultural da Caixa Econômica Federal | Brazil, Fortaleza, Av. Almirante Barroso, 500 - Praia de Iracema | 2006-02-03 | 2006-02-05 | 2006 | 1 | |
| Théâtre de l'Arc-en-Ciel | Théâtre de l'Arc-en-Ciel | France, Rungis, 1 Place du Général de Gaulle | 1999-01-29 | -- | 1999 | 1 | |
| Thomas-Morus-Gymnasium | Thomas-Morus-Gymnasium | Germany, Oelde, Zur Dicken Linde 29 | 1999-01-13 | 1999-01-13 | 1999 | 1 | |
| Trondenes fort | Trondenes fort | Norway, Harstad, Trondenes | 1994-03-21 | -- | 1994 | 1 | |
| Teatro de Rosalía Castro | Teatro de Rosalía Castro | Spain, A Coruna, Calle del Riego de Agua, 37 | 2010-10-29 | 2011-01-30 | 2010–2011 | 2 | |
| Televiziunea Română (TVR) | Televiziunea Română (TVR) | Romania, Bucharest, Calea Dorobanți 191 | 1965-01-16 | 2013-11-11 | 1965–2013 | 7 | |
| Theatro Apollon | Theatro Apollon | Greece, Athens | 1921-10-09 | 1928-03-14 | 1921–1928 | 6 | |
| Théâtre des Nations | Théâtre des Nations | France, Paris, 2 Place du Châtelet | -- | -- | | | |
| Théâtre de l’Espace | Théâtre de l’Espace | France, Besançon, Place de l’Europe | 2000-03-07 | 2000-03-08 | 2000 | 1 | |
| Theater am Stadtgarten | Theater am Stadtgarten | Switzerland, Winterthur | 1980-03-06 | 1984-11-22 | 1980–2001 | 7 | |
| Teatro Luigi Pirandello | Teatro Luigi Pirandello | Italy, Agrigento, Piazza Luigi Pirandello | 2001-04-17 | 2001-04-22 | 2001 | 1 | |
| Theatersaal des Krystall-Palast | Theatersaal des Krystall-Palast | Germany, Leipzig | 1894-03-15 | 1898-03-04 | 1894–1898 | 3 | |
| Theater Rampe | Theater Rampe | Germany, Stuttgart, Filderstraße 47 | 2010-05-17 | -- | 2010 | 1 | |
| Trøgstad Ungdomsskole | Trøgstad Ungdomsskole | Norway, Trøgstad, Trøgstad | 2005-11-10 | -- | 2005 | 1 | |
| Teatrul Liric | Teatrul Liric | Romania, Bucharest, Piaţa Walter Mărăcineanu | 1897-11- | 1908-02-03 | 1897–1920 | 6 | |
| Teatro Circular | Teatro Circular | Uruguay, Montevideo, Av General Rondeau 1388 | 1965-06-10 | -- | 1965–1991 | 2 | |
| Teatro Comunale, Belluno | Teatro Comunale, Belluno | Italy, Belluno, Piazza dei Martiri, Belluno, Italia | 1976-11-12 | 2011-11-06 | 1976–2011 | 2 | |
| Teatr Dramatyczny | Teatr Dramatyczny | Poland, Gdynia, Generała Józefa Bema 26 | 1978-02-17 | -- | 1978 | 1 | |
| Tierp | Tierp | Sweden, Tierp | 1989-10-14 | 1989-10-14 | 1989–1993 | 2 | |
| Teatro Sannazzaro | Teatro Sannazzaro | Italy, Naples, Via Chiaia, 157 | 1893-02-28 | 1895-04-03 | 1893–1899 | 7 | |
| The Nielsen Theatre | The Nielsen Theatre | United States, Los Angeles | 1910-04-25 | 1910-04-25 | 1910 | 1 | |
| Teatr Ziemi Krakowskiej im.Solskiego | Teatr Ziemi Krakowskiej im.Solskiego | Poland, Tarnów, Mickiewicza 4 | 1963-10-26 | -- | 1963 | 1 | |
| Teatro Metastasio | Teatro Metastasio | Italy, Prato, Via Cairoli n.59 | 1977-01-05 | 2017-02-19 | 1977–2017 | 5 | |
| Teatro Sant`Anna | Teatro Sant`Anna | Brazil, Rio de Janeiro | 1899-05- | -- | 1899–1900 | 2 | |
| Teatro Filarmonico di Piove di Sacco | Teatro Filarmonico di Piove di Sacco | Italy, Padova, Via Arturo Toscanini, 8 | 2003-11-28 | -- | 2003 | 1 | |
| Theater am Stadtpark | Theater am Stadtpark | Austria, Graz, Stadtpark 1 | 1892-04-23 | 1895-05-24 | 1892–1897 | 3 | |
| Teatro El Albéitar | Teatro El Albéitar | Spain, León, Av. Facultad de Veterinaria, 25 | 2015-01-31 | -- | 2015 | 1 | |
| Tjornhom-Nelson Theater, Foss Center | Tjornhom-Nelson Theater, Foss Center | United States, Minneapolis, Augsburg College, 2211 Riverside Ave | 2006-11-03 | 2006-11-12 | 2006 | 1 | |
| Teatrul Naţional Craiova | Teatrul Naţional Craiova | Romania, Craiova, Strada Alexandru Ioan Cuza, 11 | 1906-02-02 | 1916-08-14 | 1906–2008 | 9 | |
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