| Teatro Gayarre | Teatro Gayarre | Spain, 31002 Pamplona, Avda. Carlos III, nº 3 | 2009-03-27 | 2024-11-08 | 2009–2024 | 3 | |
| Teatro Comunale G. B. Pergolesi | Teatro Comunale G. B. Pergolesi | Italy, Jesi AN, Piazza della Repubblica, 9 | 1977-11-10 | 2005-02-02 | 1977–2005 | 3 | |
| Theatre Royal | Theatre Royal | England, Bristol, King Street | 1943-06-19 | -- | 1943–1963 | 3 | |
| Theatre Royal | Theatre Royal | England, Bradford, West Yorkshire, Manningham Lane | 1911-06-12 | 1911-06-17 | 1911 | 3 | |
| Theater auf dem Hornwerk | Theater auf dem Hornwerk | Germany, Nienburg (Weser), Mühlentorsweg 2 | 2005-10-06 | 2010-11-25 | 2005–2015 | 3 | |
| Theatro Mnimatakion | Theatro Mnimatakion | Turkey, Istanbul | 1906-01-24 | -- | 1906–1910 | 3 | |
| Teatr Polski w Wilnie (Teatr na Pohulance) | Teatr Polski w Wilnie (Teatr na Pohulance) | Lithuania, Vilnius, Basanavičiusa 13 | 1923-01-22 | 1923-12-10 | 1923 | 3 | |
| Tonstad | Tonstad | Norway, Tonstad | 1991-09-25 | -- | 1991–2004 | 3 | |
| Theater im Werftpark | Theater im Werftpark | Germany, Kiel, Ostring 187A | 2003-10-05 | 2004-12-21 | 2003–2018 | 3 | |
| Teatr im. Żeromskiego | Teatr im. Żeromskiego | Poland, Kielce/ Radom, Henryka Sienkiewicza 32 | 1954-11-13 | -- | 1954–1965 | 3 | |
| Tom Patterson Theatre | Tom Patterson Theatre | Canada, Stratford, 111 Lakeside Dr | 2006-07-25 | 2024-09-28 | 2006–2024 | 3 | |
| Teatro Carlos Lazo | Teatro Carlos Lazo | Mexico, Ciudad de México, D.F, Interior Facultad de Arquitectura, Escolar SN, Ciudad Universitaria, Coyoacán | 1995-11-16 | 2006-10-26 | 1995–2006 | 3 | |
| Telemark gymnas | Telemark gymnas | Norway, Bø i Telemark | 1960-10-08 | -- | 1960–1971 | 3 | |
| Teatre Lliure (Gràcia) | Teatre Lliure (Gràcia) | Spain, Barcelona | 1978-02-23 | 2023-01-29 | 1978–2022 | 3 | |
| Theater Junge Generation | Theater Junge Generation | Germany, Dresden, Meißner Landstraße 4 | 1995-03-10 | -- | 1995–2002 | 3 | |
| Theater Reichenau | Theater Reichenau | Austria, Reichenau an der Rax, Hauptstraße 28 | 2010-07-03 | 2017-08-02 | 2010–2017 | 3 | |
| Theatro Amalia | Theatro Amalia (Theater Amalia) | Greece, Thessaloniki | 1988-12-23 | 2007-01-07 | 1988–2006 | 3 | |
| Theatro Polytheama | Theatro Polytheama (Polytheama theater) | Greece, Pireus | 1898-08-16 | 1913-02-14 | 1898–1913 | 3 | |
| Törökszentmiklós | Törökszentmiklós | Hungary, Törökszentmiklós | 1924-08-01 | -- | 1924–1926 | 3 | |
| Théâtre d'Angoulême, Scène nationale | Théâtre d'Angoulême, Scène nationale | France, Angoulême, Avenue des Maréchaux | 1999-12- | 2025-12-03 | 1999–2025 | 3 | |
| Theatro Foskolos | Theatro Foskolos (Foskolos theater) | Greece, Zakynthos, Dionysios Solomos Square | 1904-04- | -- | 1904–1911 | 3 | |
| Teatr Wielki | Teatr Wielki | Poland, Lublin | 1918-01-15 | 1918-02-05 | 1918–1920 | 3 | |
| Teatro Filodrammatico | Teatro Filodrammatico | Italy, Trieste | 1892-04-05 | -- | 1892–1897 | 3 | |
| Teatro Amintore Galli | Teatro Amintore Galli | Italy, Rimini, Piazza Cavour, 22, 47921 | 2019-03-14 | 2025-01-17 | 2019–2025 | 3 | |
| Tremont Theatre | Tremont Theatre | United States of America, Boston, 88 Tremont Street | 1894-04-18 | 1904-01-26 | 1894–1904 | 3 | |
| Teatre de les Arts | Teatre de les Arts (Teatro de las Artes) | Spain, Barcelona, Carrer de Floridablanca, 135-139 | 1902-09-05 | -- | 1902–1903 | 3 | |
| Teatro Donizetti | Teatro Donizetti | Italy, Bergamo, Piazza Cavour, 15 | 1974-02-16 | -- | 1974–1994 | 3 | |
| Theater Zuidpool | Theater Zuidpool | Belgium, Antwerpen, Lange Noordstraat 11 | 1995-02-22 | 1995-02-25 | 1995–2016 | 3 | |
| Teatro Ermete Novelli | Teatro Ermete Novelli | Italy, Rimini RN, Via Alfredo Cappellini, 3 | 2001-07-14 | 2005-02-13 | 2001–2008 | 3 | |
| Theater Der Keller | Theater Der Keller | Germany, Köln, Kleingedankstraße 6 | 1995-04-26 | 2006-06-15 | 1995–2005 | 3 | |
| Theater Bregenz (Saal des Cafe Central) | Theater Bregenz (Saal des Cafe Central) | Austria, Bregenz | 1908-11-14 | -- | 1908–1911 | 3 | |
| Teatrul de Comedie | Teatrul de Comedie | Romania, Bucharest, Strada Sf. Dumitru, nr. 2 sector 3 | 1945-- | 2017-01-12 | 1945–2015 | 3 | |
| Teatre Monumental | Teatre Monumental | Spain, Mataró, Carrer de la Riera, 169 | 1994-02-04 | 1998-03-15 | 1994–2008 | 3 | |
| Teatro de la Princesa | Teatro de la Princesa | Spain, Madrid, Calle de Tamayo y Baus, 4 | 1906-10-20 | -- | 1906–1919 | 3 | |
| Teatr Śląski im. Stanisława Wyspiańskiego | Teatr Śląski im. Stanisława Wyspiańskiego | Poland, Katowice, Rynek 10 | 1954-11-27 | -- | 1954–2010 | 3 | |
| Teatro della Corte | Teatro della Corte | Italy, Genova, Piazza Borgo Pila, 42 | 1999-01-28 | 2011-04-21 | 1999–2011 | 3 | |
| Teatro della Cometa | Teatro della Cometa | Italy, Rome, Via del Teatro Marcello | 2003-01-28 | 2006-06-25 | 2003–2006 | 3 | |
| The Playhouse | The Playhouse | Australia, Adelaide, Festival Drive | 1978-08-11 | 1978-09-02 | 1978–1989 | 3 | |
| Teatro Bellas Artes | Teatro Bellas Artes | Spain, Madrid, Calle del Marques de Casa Riera, 2 | 1983-02-02 | 2010-01-24 | 1983–2010 | 3 | |
| Théâtre de la Porte Saint-Martin | Théâtre de la Porte Saint-Martin | France, Paris, 18 Boulevard Saint-Martin | 1924-12-24 | 1935-- | 1924–1935 | 3 | |
| Teatrul de Stat Constanţa | Teatrul de Stat Constanţa | Romania, Constanţa, Bulevardul Ferdinand, no.11 | 1966-12-29 | -- | 1966–1968 | 3 | |
| Theatre Lobby | Theatre Lobby | United States of America, Washington D.C. | 1963-06-04 | 1966-07-16 | 1963–1967 | 3 | |
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