| Teatro Quaranthana | Teatro Quaranthana | Italy, San Miniato, Via Zara, 58, 56024 San Miniato PI | 2019-06-01 | -- | 2019 | 1 | |
| Tivoli-Theatret | Tivoli-Theatret | Germany, Flensburg | 1880-04-22 | -- | 1880–1883 | 2 | |
| Teatrul de Stat din Oradea | Teatrul de Stat din Oradea | Romania, Oradea, Str. Madách Imre | -- | -- | | | |
| Theatre Ses | Theatre Ses | Turkey, Istanbul | 1949-11-30 | 1949-12-06 | 1949 | 1 | |
| The New Theatre | The New Theatre | United States of America, New Haven | 2002-02-11 | 2008-02-09 | 2002–2008 | 2 | |
| Teatro Quirino | Teatro Quirino | Italy, Rome, Via delle Vergini | 1917-12-14 | 2022-12-18 | 1917–2022 | 8 | |
| Teatro Gerbino | Teatro Gerbino | Italy, Torino | 1889-02-15 | 1894-01-10 | 1889–1898 | 6 | |
| Théâtre de la Balsamine | Théâtre de la Balsamine | Belgium, Bruxelles, Avenue Félix Marchal, 1 | 2003-11-13 | 2003-11-22 | 2003 | 1 | |
| Theater Rendsburg | Theater Rendsburg | Germany, Rendsburg, Hans-Heinrich-Beisenkötter-Platz 1 | 1976-10-09 | -- | 1976–1995 | 2 | |
| Theatret (Hotel Kong Carl) | Theatret (Hotel Kong Carl) | Norway, Sandefjord, Torggata 9 | 1903-03-25 | -- | 1903–1907 | 2 | |
| Teatro Comunale | Teatro Comunale | Italy, Monfalcone, Corso del Popolo, 20 | 1999-01-12 | 2019-03-13 | 1999–2019 | 4 | |
| Teatro Fernán Gómez - Centro de Arte | Teatro Fernán Gómez - Centro de Arte | Spain, Madrid, Calle de Colón, 4 | 2011-04-07 | 2017-12-17 | 2011–2017 | 3 | |
| Theater Kikker | Theater Kikker | Netherlands, Utrecht, Ganzenmarkt 14 | 2002-05-08 | 2017-03-24 | 2002–2017 | 6 | |
| Theatro Orfefs | Theatro Orfefs (Theater Orpheus) | Greece, Volos | 1896-07-13 | -- | 1896 | 1 | |
| Teatro Amintore Galli | Teatro Amintore Galli | Italy, Rimini, Piazza Cavour, 22, 47921 | 2019-03-14 | 2019-03-16 | 2019 | 1 | |
| Teatro Rossini | Teatro Rossini | Italy, Pesaro PU, Piazza Lazzarini | 2000-02-25 | 2000-02-27 | 2000 | 1 | |
| The Hangar Theatre | The Hangar Theatre | United States of America, Ithaca, Taughannock Boulevard | 1978-08-08 | 1978-08-19 | 1978 | 1 | |
| Théâtre de la Manufacture | Théâtre de la Manufacture | France, Colmar, 6 Route d'Ingersheim | 2003-05-14 | 2003-05-16 | 2003 | 1 | |
| Theatre Royal | Theatre Royal | Australia, Hobart, 29 Campbell Street | 1891-10-14 | 1971-04-24 | 1891–1971 | 3 | |
| Theatret i Gymnastiklokalet | Theatret i Gymnastiklokalet | Norway, Haugesund | 1884-05-05 | -- | 1884 | 1 | |
| Teatro Lo Spazio | Teatro Lo Spazio | Italy, Roma, Via Locri, 42/44, 00183 | 2020-06-19 | 2020-06-20 | 2020 | 1 | |
| Teatrul Toma Caragiu Ploiesti | Teatrul Toma Caragiu Ploiesti | Romania, Ploieşti, Str. Toma Caragiu 13 | 1973-05-11 | -- | 1973 | 1 | |
| Teatro Nuovo | Teatro Nuovo | Italy, Torino, Corso Massimo d'Azeglio, 17 | 2002-04-09 | 2002-04-21 | 2002 | 1 | |
| Teatr Letni Zofii Broniec | Teatr Letni Zofii Broniec | Poland, Lublin | 1887-08-21 | 1887-08-23 | 1887 | 1 | |
| Teatro Aldo Fabrizi | Teatro Aldo Fabrizi | Italy, Morlupo, Rome, Via del Mattatoio, 58 | 2009-03-22 | -- | 2009 | 1 | |
| Teatersalen | Teatersalen | Norway, Rommetveit | 1969-09-25 | -- | 1969 | 1 | |
| Teatro Circo Español | Teatro Circo Español (Teatre Circ Espanyol) | Spain, Barcelona, Avinguda del Paral·lel, 62 | 1905-01-13 | -- | 1905 | 1 | |
| Teatro degli Storti | Teatro degli Storti | Italy, Alzano Lombardo, P.za Caduti di Nassiriya, 24022 Alzano Lombardo BG, Italy | 2023-03-11 | -- | 2023 | 1 | |
| Ţifeşti | Ţifeşti | Romania, Ţifeşti | -- | -- | | | |
| Teatro Leopoldo Fróes | Teatro Leopoldo Fróes | Brazil, São Paulo, Praça da República | 1955-04-20 | 1955-04-24 | 1955–1956 | 2 | |
| Târgu Mureș | Târgu Mureș | Romania, Târgu Mureș | 1900-07-10 | -- | 1900–1938 | 4 | |
| Toronto Free Theatre | Toronto Free Theatre | Canada, Toronto | 1972-11-10 | -- | 1972–1973 | 2 | |
| Thalia Theater - Alstertor | Thalia Theater - Alstertor | Germany, Hamburg, Alstertor 1 | 2021-11-09 | 2022-02-11 | 2021 | 1 | |
| The Auditorium | The Auditorium | United States of America, Houston | 1908-03-16 | 1908-03-16 | 1908 | 1 | |
| Teatro del Marchesato | Teatro del Marchesato | Italy, Saluzzo, Piazza Liderico Vineis, 11, 12037 | 2024-05-10 | 2024-05-19 | 2024 | 2 | |
| Teatro Nair Bello | Teatro Nair Bello | Brazil, Consolação, R. Frei Caneca, 569 | 2012-06-29 | 2012-09-02 | 2012 | 1 | |
| Théâtre National de l'Odéon | Théâtre National de l'Odéon | France, Paris | 1937-12-04 | 1982-03-14 | 1937–1982 | 2 | |
| Teatro Gobetti | Teatro Gobetti | Italy, Torino, Via Gioacchino Rossini, 8 | 1975-02-07 | 1975-05-14 | 1975–1981 | 4 | |
| Teatro Palacio Valdés | Teatro Palacio Valdés | Spain, Avilés, Calle Palacio Valdés, 3 | 2009-11-13 | -- | 2009 | 2 | |
| Teatro dell'Opera di Roma | Teatro dell'Opera di Roma | Italy, Rome, Piazza Beniamino Gigli 7 | 2007-11-07 | 2007-11-11 | 2007 | 1 | |
| The Boiler | The Boiler | United States of America | 2023-08-05 | 2023-08-05 | 2023 | 1 | |
| Toneelklas Sint-Barbaracollege | Toneelklas Sint-Barbaracollege | Belgium, Ghent, Savaanstraat 33 | 2011-02-11 | 2011-02-19 | 2011 | 1 | |
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