| Throndhjems Theater | Throndhjems Theater | Norway, Trondheim, Prinsens Gate 20 | 1861-11-17 | 1863-11-04 | 1861–1863 | 2 | 1 |
| Teatr Polski im. Hieronima Konieczki | Teatr Polski im. Hieronima Konieczki | Poland, Bydgoszcz, Aleje Adama Mickiewicza 2 | 1973-04-08 | -- | 1973–1981 | 2 | |
| Tecuci | Tecuci | Romania, Tecuci | -- | -- | | | |
| Theatro Adonis | Theatro Adonis (Adonis Theatre) | Greece, Thessaloniki | 1985-03-16 | 1985-05-12 | 1985 | 1 | |
| Teatro García Barbón | Teatro García Barbón | Spain, Vigo, Rúa Policarpo Sanz, 13, | 1928-05-25 | -- | 1928 | 1 | |
| Tynset Kulturhus | Tynset Kulturhus | Norway, Tynset | 1989-11-02 | 2021-02-05 | 1989–2021 | 11 | |
| Târgu Secuiesc | Târgu Secuiesc | Romania, Târgu Secuiesc | 1890-05-29 | -- | 1890 | 1 | |
| Teatro Sociale | Teatro Sociale | Italy, Brescia, Via Felice Cavallotti 20 | 2001-01-30 | 2018-03-15 | 2001–2018 | 5 | |
| Teatro Maria Matos | Teatro Maria Matos | Portugal, Lisbon, Avenida Frei Miguel Contreiras 52 | 1986-01-16 | 2012-07-09 | 1986–2012 | 2 | |
| Teaterhuset Forum | Teaterhuset Forum | Norway, Molde, Julsundveien 4 | 2001-03-21 | 2001-04-20 | 2001 | 1 | |
| Teatrul Muzical ”Nae Leonard” | Teatrul Muzical ”Nae Leonard” | Romania, Galați, Str. Mihai Bravu, Nr. 50 | 2005-11-29 | -- | 2005 | 1 | |
| Theater Malpertuis | Theater Malpertuis | Belgium, Knokke-Heist | -- | -- | | | |
| Theodore L. Hazlett, Jr. Theatre | Theodore L. Hazlett, Jr. Theatre | United States of America, Pittsburgh, 6 Allegheny Square East | 1984-02-17 | 1984-04-01 | 1984 | 1 | |
| Theater Zeitz | Theater Zeitz | Germany, Zeitz | 1990-01-27 | -- | 1990 | 1 | |
| Tatabánya | Tatabánya | Hungary, Tatabánya | 1927-05-05 | -- | 1927 | 1 | |
| Teatr Studio | Teatr Studio | Ukraine, Kiev | 1916-11-09 | 1916-11-17 | 1916–1917 | 2 | |
| Teatro 13 | Teatro 13 | Italy, Firenze, Via Aurelio Nicolodi, 2, 50131 Firenze FI, Italy | 2006-04-03 | 2016-05-18 | 2006–2024 | 10 | |
| Teatro Verdi | Teatro Verdi | Italy, Genova, Piazza Alfredo Oriani | 1906-06-06 | -- | 1906 | 1 | |
| Trilogy Theatre | Trilogy Theatre | United States of America, New York, 341 W 44th St | 1998-12-02 | 2000-10-21 | 1998–2000 | 2 | |
| The Bijou | The Bijou | United States of America, Atlanta | -- | -- | | | |
| Teatro Monumento | Teatro Monumento | Italy, Pescara, Lungomare Cristoforo Colombo, 122 | 1969-07-22 | -- | 1969 | 1 | |
| Teatro B. Asioli | Teatro B. Asioli | Italy, Asioli, Corso Cavour, 9, 42015 | 2020-04-07 | 2020-04-08 | 2020 | 1 | |
| Thália Színház | Thália Színház | Hungary, Budapest, Nagymező utca 22-24. | 2005-10-14 | 2012-10-14 | 2005–2012 | 4 | |
| Teatro Carcano | Teatro Carcano | Italy, Milan, Corso di Porta Romana, 63 | 1898-11-22 | 2022-12-21 | 1898–2022 | 7 | |
| Theatro Elsa Vergi | Theatro Elsa Vergi (Elsa Vergi Theater) | Greece, Athens | 1967-02-03 | 1972-04-02 | 1967–1971 | 2 | |
| Tripoli | Tripoli | Greece, Tripoli | 1911-03-25 | -- | 1911 | 1 | |
| Teatr Ziemi Rzeszowskiej | Teatr Ziemi Rzeszowskiej | Poland, Rzeszów | 1946-11-08 | -- | 1946 | 1 | |
| Theater Tri-bühne | Theater Tri-bühne | Germany, Stuttgart, Eberhardstraße 61A | 2005-02-18 | 2007-04-14 | 2005–2006 | 3 | |
| Teatry Dolnośląskie | Teatry Dolnośląskie | Poland, Jelenia Góra | 1957-02-22 | -- | 1957–1964 | 2 | |
| Teatro Lauro Rossi | Teatro Lauro Rossi | Italy, Macerata MC, Piazza Della Libertà 21 | 2000-02-22 | 2008-02-03 | 2000–2008 | 2 | |
| Theatre Royal Haymarket | Theatre Royal Haymarket | England, London, 18 Suffolk Street | 1890-06-19 | 2003-08-30 | 1890–2003 | 10 | |
| Teatro Comunale di Nardò | Teatro Comunale di Nardò | Italy, Nardò, Corso Vittorio Emanuele II, 73048 Nardò LE, Italy | 2024-01-04 | 2024-01-05 | 2024 | 1 | |
| Teatro di Genova | Teatro di Genova | Italy, Genova, P.za Borgo Pila, 42, 16129 Genova GE, Italy | 1980-01-11 | 2002-04-24 | 1980–2002 | 2 | |
| Teatro Puccini | Teatro Puccini | Italy, Udine | 1928-03-11 | -- | 1928 | 1 | |
| Telemark | Telemark | Norway, Telemark | 1992-- | 2000-11-28 | 1992–2000 | 2 | |
| Teater Fusentast | Teater Fusentast | Norway, Trondheim, Riddervolds gate 28 | 1997-11-03 | -- | 1997 | 1 | |
| Théâtre 13 | Théâtre 13 | France, Paris, 30 rue du Chevarelet | 1993-03-02 | 2023-06-17 | 1993–2023 | 4 | |
| Toronto | Toronto | Canada, Toronto | 1908-04- | 2020-05-17 | 1908–2020 | 4 | |
| Teatr Comoedia (MTD) | Teatr Comoedia (MTD) | Poland, Warsaw | 1946-03-11 | -- | 1946 | 1 | |
| Teatre Collel | Teatre Collel | Spain, Manlleu | 1915-08-29 | -- | 1915 | 1 | |
| Théâtre Pitoëff | Théâtre Pitoëff | Switzerland, 1205 Genève, Rue de Carouge 52 | 1920-02-05 | -- | 1920 | 1 | |
| Teatre Auditori Municipal d`Aldaia | Teatre Auditori Municipal d`Aldaia (TAMA) | Spain, Aldaia, Avda. de la Música 2 | 2004-11-26 | 2004-11-26 | 2004 | 1 | |
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