| Tonhallen | Tonhallen | Sweden, Sundsvall, Universitetsallén 24 | 2006-11-12 | -- | 2006 | 1 | |
| Teatro Puccini | Teatro Puccini | Italy, Udine | 1928-03-11 | -- | 1928 | 1 | |
| The Grand | The Grand | United States of America, Kansas City | 1904-03-03 | 1904-03-05 | 1904 | 1 | |
| Theatro Thessalonikis | Theatro Thessalonikis | Greece, Thessaloniki | 2005-03-11 | 2005-04-24 | 2005 | 1 | |
| Théâtre du Vieux-Colombier | Théâtre du Vieux-Colombier | France, Paris, 21 Rue du Vieux Colombier | 1934-05-05 | 2023-03-12 | 1934–2023 | 2 | |
| Théâtre les Gémeaux | Théâtre les Gémeaux | France, Sceaux, 49 Avenue Georges Clemenceau | 1998-11-05 | 2024-07-21 | 1998–2024 | 7 | |
| Teatro Colosseo | Teatro Colosseo | Italy, Rome, Via Capo d'Africa | 1979-12-21 | 1980-02-17 | 1979 | 1 | |
| Theatertage Aarau | Theatertage Aarau | Switzerland, Aarau, Metzgergasse 18 | 2002-06-15 | -- | 2002 | 1 | |
| Théâtre sortieOuest | Théâtre sortieOuest | France, Béziers, Domaine départemental de Bayssan, Route de Vendres | 2013-02-01 | -- | 2013 | 1 | |
| Teatro Alla Scala | Teatro Alla Scala | Italy, Milan, Via Filodrammatici, 2 | 1918-05-12 | 2025-04-18 | 1918–2025 | 2 | |
| Teatralna rabotilnitsa Sfumato | Teatralna rabotilnitsa Sfumato (Sfumato Theatre Laboratory) | Bulgaria, Sofia, 2, "Dimitar Grekov" St. | 2025-06-24 | -- | 2025 | 1 | |
| Talento Bilingüe de Houston | Talento Bilingüe de Houston | United States of America, Houston, 333 S Jensen Drive | 2010-10-07 | 2010-10-17 | 2010 | 1 | |
| Teatro degli Eroi | Teatro degli Eroi | Italy, Roma, Via Girolamo Savonarola, 36/m, 00195 Roma RM, Italy | 2024-01-12 | 2024-01-14 | 2024 | 1 | |
| TWU Redbud Theater | TWU Redbud Theater | United States of America, Denton, 1401 Oakland St | 2008-04-17 | 2008-04-20 | 2008 | 1 | |
| Tindved Kulturhage | Tindved Kulturhage | Norway, Verdal, Møllegata 6 | 2010-11-17 | 2010-11-25 | 2010 | 1 | |
| Teatro Taborda | Teatro Taborda | Portugal, 1100-022 Lisboa, Costa do Castelo 75 | 2020-09-10 | 2020-09-13 | 2020 | 1 | |
| Trnava | Trnava | Slovak Republic, Trnava | 1912-09-24 | -- | 1912 | 1 | |
| Teatr Ludowy | Teatr Ludowy | Poland, Warsaw | 1957-03-02 | -- | 1957 | 1 | |
| Theater Die Auslese Hamburg | Theater Die Auslese Hamburg | Germany, Hamburg | 1948-09-03 | -- | 1948 | 1 | |
| Théâtre de la Manufacture des Abbesses | Théâtre de la Manufacture des Abbesses | France, Paris | 2022-04-07 | 2022-05-22 | 2022 | 1 | |
| Teatro Nacional Almeida Garrett | Teatro Nacional Almeida Garrett | Portugal, Lisbon, Praça D. Pedro IV | 1928-03-20 | -- | 1928 | 1 | |
| Théâtre Antoine | Théâtre Antoine | France, Paris, 14 Boulevard de Strasbourg | 1898-02-06 | -- | 1898–1913 | 7 | |
| Teatr im. Stefana Jaracza | Teatr im. Stefana Jaracza | Poland, Olsztyn, 1 Maja 4 | 1958-01-16 | -- | 1958–2014 | 6 | |
| Teatro do Centro Integrado de Cultura | Teatro do Centro Integrado de Cultura | Brazil, Florianópolis, Avenida Governador Irineu Bornhausen, -5600 Agronômica | 1989-04- | -- | 1989 | 1 | |
| Theater in der Stadthalle | Theater in der Stadthalle | Germany, Neumünster, Kleinflecken 1 | 2001-03-08 | -- | 2001–2013 | 4 | |
| Teatro de los Independientes | Teatro de los Independientes | Argentina, Buenos Aires, San Martín 766 | 1961-- | -- | 1961 | 1 | |
| Tynset Kulturhus | Tynset Kulturhus | Norway, Tynset | 1989-11-02 | 2021-02-05 | 1989–2021 | 11 | |
| Teatro Infanta Beatriz | Teatro Infanta Beatriz | Spain, Madrid, Calle de Hermosilla, 15 | 1971-09-24 | 1972-02-20 | 1971 | 1 | |
| Theater der Nationen | Theater der Nationen | Bulgaria, Sofia | 1982-06-20 | 1982-07-06 | 1982 | 1 | |
| Teatro Salón Cervantes | Teatro Salón Cervantes | Spain, 28801 Alcalá de Henares, Madrid, C. de Cervantes, 7 | 2024-10-25 | 2024-10-26 | 2024 | 1 | |
| Teatrul Foarte Mic | Teatrul Foarte Mic | Romania, Bucharest, Bulevardul Carol I 21 | 2015-09-30 | 2016-12-12 | 2015 | 1 | |
| Teatro Coccia | Teatro Coccia | Italy, Novara, Via Fratelli Rosselli, 47, 28100 | 2017-01-31 | 2020-01-26 | 2017–2020 | 2 | |
| Tapolca | Tapolca | Hungary, Tapolca | 1925-02-07 | -- | 1925 | 1 | |
| Teatrul Regina Maria | Teatrul Regina Maria | Romania, Oradea, Piaţa Regele Ferdinand I, 4-6 | 1956-10-27 | 2025-05-15 | 1956–2025 | 4 | |
| Teatro Juan Ruiz de Alarcón | Teatro Juan Ruiz de Alarcón - PUMA UNAM | Mexico, Mexico City, University City, Coyoacán | 2022-09-28 | 2022-10-02 | 2022 | 1 | |
| Theatret i Fredrikshald | Theatret i Fredrikshald | Norway, Halden | 1878-10-24 | 1880-03-07 | 1878–1904 | 6 | |
| Theatrikos Organismos "Morfes" | Theatrikos Organismos "Morfes" | Greece, Athens | -- | -- | | | |
| The University Theatre, University of Honolulu, Department of Theatre and Drama | The University Theatre, University of Honolulu, Department of Theatre and Drama | United States of America, Honolulu, 1314 S King St | 1964-05-22 | 1964-05-30 | 1964 | 1 | |
| Theater am Turm | Theater am Turm | Germany, Frankfurt am Main, Carlo-Schmid-Platz | 1963-10-30 | -- | 1963 | 1 | |
| Teatr drami | Teatr drami | Russia, Ekaterinburg, Ploshchad' Oktyabr'skaya, 2 | 1979-- | -- | 1979 | 1 | |
| Théâtre de l'Espérance | Théâtre de l'Espérance | Switzerland, Geneva, Rue de la Chapelle 8, 1207 Genève, Switzerland | 2024-10-08 | 2024-10-12 | 2024 | 1 | |
| Temple Theatre | Temple Theatre | United States of America, Alton | 1902-05-11 | 1907-11-05 | 1902–1907 | 2 | |
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