| Theatre Royal | Theatre Royal | England, Bath, Sawclose | 1909-05-03 | 2021-05-22 | 1909–2021 | 6 | |
| Teatro Campo Alegre | Teatro Campo Alegre | Portugal, Porto, Rua das Estrelas | 2009-09-03 | 2009-09-13 | 2009 | 1 | |
| Theater am Franzensplatz | Theater am Franzensplatz | Austria, Graz, Franzensplatz | 1891-10-10 | 1908-11-04 | 1891–1909 | 20 | |
| Teatro dell’Aquila | Teatro dell’Aquila | Italy, Fermo FM, Via Giuseppe Mazzini, 4, | 2013-03-16 | 2013-03-17 | 2013 | 1 | |
| Theater & Congres Orpheus | Theater & Congres Orpheus | Netherlands, Apeldoorn, Churchillplein 1 | 1992-02-19 | -- | 1992–2008 | 3 | |
| Teatro Caporali | Teatro Caporali | Italy, Panicale, Via Cesare Caporali, 16 | 2000-01-21 | -- | 2000 | 1 | |
| tulleteater | tulleteater | Belarus | -- | -- | | | |
| The Metropolitan | The Metropolitan | United States, Saint Paul | 1903-04-19 | 1903-05-27 | 1903 | 2 | |
| Thessaloniki | Thessaloniki | Greece, Thessaloniki | 1962-03-15 | 2013-10-12 | 1962–2013 | 2 | |
| Teatro do Bolso | Teatro do Bolso | Portugal, Porto, Rua de Miragaia 61 | 1961-01-09 | -- | 1961 | 1 | |
| Theater Junushoff | Theater Junushoff | Netherlands, Wageningen, Plantsoen 3, | 2012-04-12 | -- | 2012–2017 | 2 | |
| Theater Bonn Kammerspiele | Theater Bonn Kammerspiele | Germany, Bonn, Am Michaelshof 9 | 2004-06-04 | 2013-06-15 | 2004–2014 | 8 | |
| Theater der Freien Hansestadt | Theater der Freien Hansestadt | Germany, Bremen | 1961-02-02 | -- | 1961–1984 | 3 | |
| Teatro Grande | Teatro Grande | Italy, Brescia, C.so Zanardelli, 9/a | 1999-01-13 | 1999-01-17 | 1999 | 1 | |
| Teaterbiennalen | Teaterbiennalen | Sweden, Luleå | 1997-03- | -- | 1997 | 1 | |
| Teatro Sociale | Teatro Sociale | Italy, Cittadella, Via Indipendenza | 2005-03-18 | -- | 2005 | 1 | |
| Teatro Municipal Francisco Rabal | Teatro Municipal Francisco Rabal | Spain, Pinto, Calle de las Alpujarras, s/n | 2017-03-31 | -- | 2017 | 1 | |
| Théâtre National du Luxembourg | Théâtre National du Luxembourg | Luxembourg, Luxembourg, 194 rte de Longwy | 2010-05-06 | 2019-02-15 | 2010–2019 | 2 | |
| tallin | tallin | Eritrea | -- | -- | | | |
| Teatro Spazio Uno | Teatro Spazio Uno | Italy, Rome, Vicolo dei Panieri, 3 | 2011-12-06 | 2011-12-11 | 2011 | 1 | |
| The Shakespeare Festival | The Shakespeare Festival | England, Stratford-upon-Avon | 1982-07-09 | 1982-07-30 | 1982 | 1 | |
| Theater Dortmund | Theater Dortmund | Germany, Dortmund, Kuhstr. 12 / Platz der Alten Synagoge | 1995-05-27 | 2012-05-05 | 1995–2011 | 8 | |
| Tomtaklintskolans Aula | Tomtaklintskolans Aula | Sweden, Trosa, Tomtaklintgatan 4 | 2019-09-10 | 2019-09-10 | 2019 | 1 | |
| The Kentucky | The Kentucky | United States, Paducah | 1903-11-06 | 1907-09-16 | 1903–1907 | 3 | |
| Teatteri Jurkka | Teatteri Jurkka | Finland, Helsinki, 7, Vironkatu | 1995-09-28 | -- | 1995 | 1 | |
| Teatro Avenida | Teatro Avenida | Portugal, Lisbon, Avenida da Liberdade | 1961-05-26 | -- | 1961 | 1 | |
| Trollhättan | Trollhättan | Sweden, Trollhättan | 1991-04-04 | 1991-04-04 | 1991 | 1 | |
| Teatro della Bicchieraia | Teatro della Bicchieraia | Italy, Arezzo, Via Della Bicchieraia 32 | 2001-03-07 | 2001-03-08 | 2001 | 1 | |
| Theatret (Hotel Kong Carl) | Theatret (Hotel Kong Carl) | Norway, Sandefjord, Torggata 9 | 1903-03-25 | -- | 1903 | 1 | |
| Tverski akademičeski teatr | Tverski akademičeski teatr | Russia, Tver, Sovetskaja 16 str. | 2019-12-03 | -- | 2019 | 1 | |
| Teatro Vittoria | Teatro Vittoria | Italy, Ortona CH, Corso Garibaldi, 1 | 2008-02-21 | -- | 2008 | 1 | |
| Tērbatā | Tērbatā | Estonia, Tartu | 1918-09-10 | -- | 1918 | 1 | |
| Taastrup Teater | Taastrup Teater | Denmark, 2630 Taastrup, Kjeld Abells Plads 1 | 2002-09-29 | -- | 2002–2006 | 2 | |
| The Playhouse | The Playhouse | Australia, Adelaide, Festival Drive | 1978-08-11 | 1978-09-02 | 1978–1989 | 3 | |
| Teatro do SESC Centro | Teatro do SESC Centro | Brazil, Porto Alegre, Av. Alberto Bins, 665 | 2019-05-21 | -- | 2019 | 2 | |
| Théâtre universitaire de Franche-Comté | Théâtre universitaire de Franche-Comté | France, Besançon, 1 Rue Claude Goudimel | 2008-04-02 | -- | 2008 | 1 | |
| Tangvall skole | Tangvall skole | Norway, Søgne, Stemveien 2 | 2006-10-26 | -- | 2006 | 1 | |
| Teatr Dramatyczny | Teatr Dramatyczny | Poland, Wałbrzych, Plac Teatralny 1 | 1975-05-17 | -- | 1975 | 1 | |
| The Starting Gate | The Starting Gate | England, London, Station Rd, Wood Green | 2000-09-13 | 2000-10-15 | 2000 | 1 | |
| Theatre of the Riverside Church | Theatre of the Riverside Church | United States, New York, 91 Claremont Avenue | 2002-11-02 | 2002-11-16 | 2002 | 1 | |
| Tacoma Theatre | Tacoma Theatre | United States, Tacoma | 1909-01-08 | 1909-01-09 | 1909 | 1 | |
| Teatr Powszechny im. Zygmunta Hübnera | Teatr Powszechny im. Zygmunta Hübnera | Poland, Warsaw, ul. Jana Zamoyskiego 20 | 2006-04-04 | 2007-09-27 | 2006–2007 | 3 | |
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