| Teatr Soveta Sojuzov | Teatr Soveta Sojuzov | Russia, Samara | 1921-11- | -- | 1921 | 1 | |
| Târgu Mureș | Târgu Mureș | Romania, Târgu Mureș | 1900-07-10 | -- | 1900–1938 | 4 | |
| Teatr Nowy w Poznaniu | Teatr Nowy w Poznaniu | Poland, Poznań, ul. Dąbrowskiego 5 | 1925-12-19 | -- | 1925–1927 | 2 | |
| Tacoma Little Theatre | Tacoma Little Theatre | United States, Tacoma, 210 N I St | 2019-01-25 | 2019-02-10 | 2019 | 1 | |
| Teatro Matteotti | Teatro Matteotti | Italy, Moncalieri, Via Giacomo Matteotti, 1 | 1996-02-08 | 1996-02-12 | 1996 | 1 | |
| Théâtre National de l'Odéon | Théâtre National de l'Odéon | France, Paris | 1937-12-04 | 1982-03-14 | 1937–1982 | 2 | |
| Teatru Fix | Teatru Fix | Romania, Iași, Str. Cuza Vodă nr. 10 | 2015-10-08 | -- | 2015 | 1 | |
| Turku (Åbo) | Turku (Åbo) | Finland, Turku (Åbo) | 1878-10-16 | 1893-09-14 | 1878–1893 | 4 | |
| Teatro Calderón de la Barca de Valladolid | Teatro Calderón de la Barca de Valladolid | Spain, Valladolid, Calle de las Angustias, 1 | 2005-02-11 | 2005-02-13 | 2005 | 1 | |
| Theatret i Fredrikshald | Theatret i Fredrikshald | Norway, Halden | 1878-10-24 | 1880-03-07 | 1878–1904 | 6 | |
| Teatret i Asnæs | Teatret i Asnæs | Denmark, Asnæs | 1907-12-05 | -- | 1907 | 1 | |
| Théâtre du Gymnase | Théâtre du Gymnase | France, Marseille, 4 Rue Théâtre Français | 1931-03-03 | -- | 1931 | 1 | |
| Theatro Sporting Club | Theatro Sporting Club | Turkey, Izmir | 1909-03-03 | -- | 1909–1920 | 4 | |
| The Little Theatre Group Auditorium | The Little Theatre Group Auditorium | India, New Delhi, Mandi House, Copernicus Road, Connaught Place, Copernicus Marg | 2007-03-24 | -- | 2007 | 2 | |
| Teatrul Țăndărică | Teatrul Țăndărică | Romania, Bucharest, Strada General Eremia Grigorescu 24 | 2016-10-21 | -- | 2016 | 1 | |
| Tampere | Tampere | Finland, Tampere | 1993-- | 2009-08-04 | 1993–2009 | 2 | |
| Teatro Greco | Teatro Greco | Italy, Rome, Via Ruggero Leoncavallo 10 | 2001-03-13 | 2001-04-08 | 2001 | 1 | |
| Teatro Vascello | Teatro Vascello | Italy, Rome, Via Giacinto Carini, 78, | 1993-11-10 | 1993-12-20 | 1993–2017 | 2 | |
| Teatr Polskiego Radia | Teatr Polskiego Radia | Poland, Warsaw, Modzelewskiego 59 | 2012-12-23 | 2012-12-23 | 2012 | 1 | |
| Teatro del Corso | Teatro del Corso | Italy, Bologna | 1891-11-28 | -- | 1891–1892 | 2 | |
| Teatrul Naţional Cluj | Teatrul Naţional Cluj | Romania, Cluj-Napoca, Piaţa Ştefan cel Mare 2-4 | 1922-06-03 | 1940-03-09 | 1922–2016 | 19 | |
| Théâtre d'Esch sur Alzette | Théâtre d'Esch sur Alzette | Luxembourg, Luxembourg, 120 r. de l'Alzette | 2002-03-18 | -- | 2002 | 1 | |
| Teatret i Maribo | Teatret i Maribo | Denmark, Maribo | 1902-11-15 | -- | 1902–1910 | 2 | |
| The Playhouse | The Playhouse | England, Sheffield, South Yorkshire, Townshead Street | 1960-02-29 | -- | 1960 | 1 | |
| Théâtre de la Cité Internationale | Théâtre de la Cité Internationale | France, Paris, 21a Boulevard Jourdan | 1981-04-23 | 2014-05-11 | 1981–2014 | 3 | |
| Théâtre de Fontainebleau | Théâtre de Fontainebleau | France, Fontainebleau | 1999-03-11 | 1999-03-12 | 1999 | 1 | |
| Teatro de Arriaga | Teatro de Arriaga | Spain, Bilbao, Plaza Arriaga, 1 | 2010-11-04 | 2020-02-04 | 2010–2020 | 3 | |
| Theater in der Kaiserallee | Theater in der Kaiserallee | Germany, Berlin, Kaiserallee | 1948-03-25 | -- | 1948 | 1 | |
| Theatersaal der Alten Uni | Theatersaal der Alten Uni | Germany, Freiburg, Alte Universität | 2006-05-18 | -- | 2006 | 1 | |
| Thessaloniki | Thessaloniki | Greece, Thessaloniki | 1962-03-15 | 2013-10-12 | 1962–2013 | 2 | |
| Theater aan het Water | Theater aan het Water | Netherlands, Leeuwarden | 1986-09-25 | -- | 1986 | 1 | |
| Theatersaal Uni Bremen | Theatersaal Uni Bremen | Germany, Bremen | 2012-12-01 | -- | 2012 | 1 | |
| Trilogy Theatre | Trilogy Theatre | United States, New York, 341 W 44th St | 1998-12-02 | 2000-10-21 | 1998–2000 | 2 | |
| Teatrul Mihai Eminescu Botoşani | Teatrul Mihai Eminescu Botoşani | Romania, Botoşani, Str. Teatrului, Nr. 5 | 1993-10-07 | -- | 1993 | 1 | |
| Tank, The | The Tank | United States, New York, 151 West 46th Street | 2011-03-16 | 2011-03-23 | 2011 | 1 | |
| Teatro Alfieri | Teatro Alfieri | Italy, Genova | 1895-08-29 | -- | 1895–1898 | 2 | |
| Theater aan de Schie | Theater aan de Schie | Netherlands, Schiedam, Stadserf 1 | 2001-12-18 | -- | 2001–2017 | 3 | |
| Teatr Studio | Teatr Studio | Ukraine, Kiev | 1916-11-09 | 1916-11-17 | 1916–1917 | 2 | |
| The McCroskey Memorial Internet Playhouse | The McCroskey Memorial Internet Playhouse | United States | 2009-06-28 | -- | 2009 | 1 | |
| Theater De Spiegel | Theater De Spiegel | Netherlands, Zwolle, Spinhuisplein 14 | 2013-01-23 | -- | 2013 | 1 | |
| Teatro Gláucio Gil | Teatro Gláucio Gil | Brazil, Copacabana, Pc Card Arcoverde | 1971-10-05 | -- | 1971–1982 | 2 | |
| Teatre de Capdepera | Teatre de Capdepera | Spain, Capdepera, Carrer Col·legi, 18 | 2006-05-12 | -- | 2006 | 1 | |
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