| The Brandels | The Brandels | United States of America, Omaha | 1910-06-11 | 1910-06-11 | 1910 | 1 | |
| Teatrul "George Ciprian" | Teatrul "George Ciprian" | Romania, Buzău, Bd. N. Bălcescu nr. 50 | 2005-06-18 | -- | 2005 | 1 | |
| Tivolischouwburg | Tivolischouwburg | Netherlands, Amsterdam | 1891-03-10 | -- | 1891 | 1 | |
| Teatro Sociale | Teatro Sociale | Italy, Amelia, Via del Teatro, 39 | 1999-03-16 | -- | 1999 | 1 | |
| Teatr Miejski | Teatr Miejski | Ukraine, Lviv, Svobody Ave., 28 | 1898-04-05 | 1917-08-25 | 1898–1918 | 39 | |
| Tămăoani | Tămăoani | Romania, Frumuşiţa | -- | -- | | | |
| Teatro Niccolini | Teatro Niccolini | Italy, Florence, Via Roma, 15, San Casciano in Val di Pesa | 1898-05-21 | -- | 1898–1906 | 5 | |
| Teatro Nacional São João | Teatro Nacional São João | Portugal, Porto, Praça da Batalha | 2010-10-20 | 2010-10-24 | 2010 | 1 | |
| Theater Zuidpool | Theater Zuidpool | Belgium, Antwerpen, Lange Noordstraat 11 | 1995-02-22 | 1995-02-25 | 1995–2016 | 3 | |
| Teatro Theatron | Teatro Theatron | Italy, Roma, p.le Aldo Moro, 5, Rome, Italy | 1986-05-26 | 1986-05-31 | 1986 | 1 | |
| Théâtre de l´Ancre | Théâtre de l´Ancre | Belgium, Charleroi, Rue de Montigny 122 | 1986-10-14 | 1996-05-25 | 1986–1996 | 4 | |
| Teatro Kismet OperA | Teatro Kismet OperA | Italy, Bari, Str. S. Giorgio Martire, 22/F | 2008-03-29 | 2008-03-30 | 2008 | 1 | |
| Theater Bonn Kammerspiele | Theater Bonn Kammerspiele | Germany, Bonn, Am Michaelshof 9 | 2004-06-04 | 2013-06-15 | 2004–2014 | 8 | |
| Theater T | Theater T | Greece, Thessaloniki, l. Flemingk 16, Thessaloniki 546 42, Greece | 2023-12-01 | 2024-01-07 | 2023 | 1 | |
| The Dionysus Theater's L'IL PEACH | The Dionysus Theater's L'IL PEACH | United States of America, New York, 270 West 36th Street | 2005-11-17 | 2005-12-18 | 2005 | 1 | |
| Teatro Infanta Beatriz | Teatro Infanta Beatriz | Spain, Madrid, Calle de Hermosilla, 15 | 1971-09-24 | 1972-02-20 | 1971 | 1 | |
| Théâtre Octave Mirbeau | Théâtre Octave Mirbeau | France, Triel-sur-Seine, 3 Rue Cadot | 2015-01-15 | 2015-02-07 | 2015 | 1 | |
| Teatersalen i Turul hotell | Teatersalen i Turul hotell | Hungary, Kaposvár | 1928-04-16 | -- | 1928 | 1 | |
| Teatro del Giglio | Teatro del Giglio | Italy, Lucca, Piazza del Giglio 13/15 | 2001-03-02 | 2001-03-04 | 2001 | 1 | |
| Thalia-Theater | Thalia-Theater | Germany, Hamburg, Raboisen 67 | 1878-03-07 | 2018-10-28 | 1878–2018 | 91 | |
| Tvornica Kulture | Tvornica Kulture | Croatia, Zagreb, Šubićeva 2/ Lj. Posavskog 1 | 2017-11-29 | 2019-04-08 | 2017 | 1 | |
| Theatro Syntagmatos | Theatro Syntagmatos | Turkey, Samsun | 1909-12-15 | -- | 1909 | 1 | |
| Teatr Wielki | Teatr Wielki | Poland, Łódź, Plac Generała Henryka Dąbrowskiego | 1902-02-18 | 1902-02-20 | 1902–1912 | 2 | |
| Ţifeşti | Ţifeşti | Romania, Ţifeşti | -- | -- | | | |
| Thália Társaság | Thália Társaság | Hungary, Budapest | 1906-12-25 | 1907-04-14 | 1906 | 1 | |
| Teatro Sociale di Bellinzona | Teatro Sociale di Bellinzona | Switzerland, Bellinzona, Piazza Governo 11 | 1899-02-02 | 2019-04-06 | 1899–2019 | 3 | |
| Theatergesellschaft Malters | Theatergesellschaft Malters | Switzerland | 2016-04-08 | 2016-04-30 | 2016 | 1 | |
| Theater Der Keller | Theater Der Keller | Germany, Köln, Kleingedankstraße 6 | 1995-04-26 | 2006-06-15 | 1995–2005 | 3 | |
| Theaterboerderij Het Hek van de Dam | Theaterboerderij Het Hek van de Dam | Netherlands, Ekehaar | 2004-04-03 | 2004-09-11 | 2004 | 1 | |
| Teatro Civico di Busca | Teatro Civico di Busca | Italy, Busca, Vicolo del Teatro, 1, 12022 Busca CN, Italy | 2013-05-18 | -- | 2013 | 2 | |
| Théâtre National de Strasbourg | Théâtre National de Strasbourg | France, Strasbourg, 1 Avenue de la Marseillaise | 1987-03-17 | 2019-12-20 | 1987–2019 | 10 | |
| Theater & Congres Orpheus | Theater & Congres Orpheus | Netherlands, Apeldoorn, Churchillplein 1 | 2008-03-31 | 2008-04-01 | 2008–2017 | 2 | |
| TAP Gallery | TAP Gallery | Australia, Darlinghurst, 278 Palmer Street | 2012-03-01 | 2012-03-11 | 2012 | 1 | |
| Théâtre Varia | Théâtre Varia | Belgium, Brussels, Rue du Sceptre, Ixelles, Belgia | 2022-11-23 | 2024-01-28 | 2022–2024 | 2 | |
| Teatr Dramatyczny m. st. Warszawy | Teatr Dramatyczny m. st. Warszawy | Poland, Warsaw, plac Defilad 1 | 2007-09-22 | 2011-11-19 | 2007 | 1 | |
| Théâtre Jean Duceppe | Théâtre Jean Duceppe | Canada, Montreal, 175 Rue Sainte-Catherine Oues | 1990-10-31 | 2013-05-24 | 1990–2013 | 2 | |
| Teatro delle Saline | Teatro delle Saline | Italy, Cagliari, Piazzetta Billy Sechi n. 3/4 | 2019-11-21 | 2023-11-05 | 2019–2023 | 5 | |
| Theatre Three | Theatre Three | United States of America, Dallas, 2800 Routh Street | 1970-04-24 | 1970-05-16 | 1970 | 1 | |
| Teatro Civico Milanollo | Teatro Civico Milanollo | Italy, Savigliano, Piazza Casimiro Turletti 7 | 2001-12-14 | 2005-02-17 | 2001–2005 | 2 | |
| Theater Malpertuis | Theater Malpertuis | Belgium, Knokke-Heist | -- | -- | | | |
| Teatro Biondo Palermo | Teatro Biondo | Italy, Palermo, Via Roma, 258, 90133 | 1956-01-05 | 2020-02-23 | 1956–2020 | 7 | |
| Tammerfors | Tammerfors | Finland, Tammerfors | 1893-04-13 | 1994-- | 1893–1993 | 3 | |
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