| Theatre Royal Margate | Theatre Royal Margate | England, Margate, Addington Street | 2014-11-03 | 2014-11-03 | 2014 | 1 | |
| Théâtre Jean Lurçat - Scène Nationale d'Aubusson | Théâtre Jean Lurçat - Scène Nationale d'Aubusson | France, Aubusson, 16 Avenue des Lissiers | 2015-05-12 | -- | 2015 | 1 | |
| Théatre de la Vie | Théatre de la Vie | Belgium, Brussels, Rue traversière 45 | 2017-01-17 | 2017-01-28 | 2017 | 1 | |
| Teatro Comunale | Teatro Comunale | Italy, Alessandria, Via Savona | 1993-03-02 | 1993-03-03 | 1993–2000 | 2 | |
| Théâtre National de Nice | Théâtre National de Nice | France, Nice, Promenade des arts | 1990-01-10 | 2018-01-13 | 1990–2018 | 4 | |
| Teaterhögskolan i Stockholm | Teaterhögskolan i Stockholm | Sweden, Stockholm | 2000-11-03 | 2000-11-30 | 2000 | 1 | |
| Teatrul Anton Pann | Teatrul Anton Pann | Romania, Râmnicu Vâlcea, Bulevardul Tudor Vladimirescu 23 | 2018-07-01 | 2018-10-14 | 2018 | 2 | |
| Theatro Palladio | Theatro Palladio | Greece, Ioannina | 1956-01-27 | 1956-01-28 | 1956 | 1 | |
| Theater Junushoff | Theater Junushoff | Netherlands, Wageningen, Plantsoen 3, | 2012-04-12 | -- | 2012–2017 | 2 | |
| Theater der Künste | Theater der Künste | Switzerland, Zürich, Gessnerallee 13 | 2009-06-22 | -- | 2009 | 1 | |
| Teatro Alla Scala | Teatro Alla Scala | Italy, Milan, Via Filodrammatici, 2 | 1918-05-12 | 2025-04-18 | 1918–2025 | 2 | |
| Teatro San Carlo | Teatro San Carlo | Italy, Naples, Via San Carlo, 98 | 1921-12-03 | -- | 1921 | 1 | |
| Théâtre universitaire de Franche-Comté | Théâtre universitaire de Franche-Comté | France, Besançon, 1 Rue Claude Goudimel | 2008-04-02 | -- | 2008 | 1 | |
| Theatret i Tønsberg | Theatret i Tønsberg | Norway, Tønsberg | 1883-12-05 | -- | 1883–1907 | 3 | |
| Teatre del Mar | Teatre del Mar | Spain, Palma, Carrer de Llucmajor, 90 | 2005-04-08 | 2005-04-17 | 2005 | 1 | |
| Teatro do Derby | Teatro do Derby | Brazil, Recife | 1949-11-06 | -- | 1949 | 1 | |
| Théâtre du Gymnase | Théâtre du Gymnase | France, Marseille, 4 Rue Théâtre Français | 1931-03-03 | -- | 1931 | 1 | |
| Tingvold | Tingvold | Norway, Tingvold | 1966-04-29 | -- | 1966 | 1 | |
| Teatro Quaranthana | Teatro Quaranthana | Italy, San Miniato, Via Zara, 58, 56024 San Miniato PI | 2019-06-01 | -- | 2019 | 1 | |
| Teatro Verdi | Teatro Verdi | Italy, Salerno, Piazza Matteo Luciani | 1999-03-11 | 1999-03-14 | 1999 | 1 | |
| Tarragon Theatre | Tarragon Theatre | Canada, Toronto, 30 Bridgman Ave | 1983-02-17 | 2015-11-01 | 1983–2015 | 3 | |
| Teatro di Documenti | Teatro di Documenti | Italy, Roma, Via Nicola Zabaglia, 42 | -- | -- | | | |
| Teatro Avenida | Teatro Avenida | Portugal, Lisbon, Avenida da Liberdade | 1961-05-26 | -- | 1961 | 1 | |
| Teatro de Arena da Guanabara | Teatro de Arena da Guanabara | Brazil, Rio De Janeiro | 1966-05-24 | -- | 1966 | 1 | |
| Theatret i Risør | Theatret i Risør | Norway, Risør | 1905-02-22 | -- | 1905 | 2 | |
| Teatro Reina Victoria | Teatro Reina Victoria | Spain, Madrid, Carrera de San Jerónimo | 1928-05-05 | -- | 1928 | 1 | |
| Tamási Áron Színház | Tamási Áron Színház | Romania, Sfântu Gheorghe, Strada Libertății 1 | 1972-05-05 | 1999-12-12 | 1972–1999 | 3 | |
| Teatro Estudio San Sebastián | Teatro Estudio San Sebastián | Spain, San Sebastian, Heriz Pasealekua, 16, | 1966-10-03 | -- | 1966 | 1 | |
| Tysvær | Tysvær | Norway, Tysvær | 1995-03-12 | -- | 1995 | 1 | |
| Theatro Adonis | Theatro Adonis (Adonis Theatre) | Greece, Thessaloniki | 1985-03-16 | 1985-05-12 | 1985 | 1 | |
| Theatro Polytheama | Theatro Polytheama (Polytheama theater) | Greece, Pireus | 1898-08-16 | 1913-02-14 | 1898–1913 | 3 | |
| T.B. Sheldon Performing Arts Theatre | T.B. Sheldon Performing Arts Theatre | United States of America, Red Wing, 443 West 3rd Street | 2009-04-04 | -- | 2009–2013 | 3 | |
| Theater Ensemble Würzburg | Theater Ensemble Würzburg | Germany, Würzburg, Frankfurter Str. 87 | 2006-11-23 | 2007-03-09 | 2006 | 1 | |
| Theater am Turm | Theater am Turm | Germany, Frankfurt am Main, Carlo-Schmid-Platz | 1963-10-30 | -- | 1963 | 1 | |
| Taibei Shi Yiwen Tuiguang Chu | Taibei Shi Yiwen Tuiguang Chu (Taipei Cultural Centre) | Taiwan, Taipei, No. 25, Section 3, Bade Rd, Songshan District | 2005-09-23 | -- | 2005 | 1 | |
| Trondhjems Katedralskole | Trondhjems Katedralskole | Norway, Trondheim | 1973-10-17 | -- | 1973 | 1 | |
| Teatret i Troense | Teatret i Troense | Denmark, Troense | 1909-11-05 | -- | 1909 | 2 | |
| Teatro Stabile del Friuli Venezia Giulia | Teatro Stabile del Friuli Venezia Giulia | Italy, 34126 Trieste, Largo Giorgio Gaber, 1 | 2025-01-07 | 2025-01-09 | 2025 | 1 | |
| The Ron Barber Studio Theatre | The Ron Barber Studio Theatre | England, Birmingham, Brindleyplace, Sheepcote St | 2003-01-24 | 2025-03-22 | 2003–2025 | 2 | |
| 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 | |
| Theater Rotonde | Theater Rotonde | Netherlands, Borger, Hoofdstraat 21 | 2004-11-07 | -- | 2004 | 1 | |
| Turku | Turku | Finland, Turku | -- | -- | | | |
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