| Trinity Valley School | Trinity Valley School | United States, Willow Creek, 730 CA-96 | 2005-12-08 | -- | 2005 | 1 | |
| Teatro Lírico | Teatro Lírico | Brazil, Rio de Janeiro | 1907-07-16 | -- | 1907 | 1 | |
| Theatre der Stadt | Theatre der Stadt | Germany, Baden-Baden | 1924-09-17 | -- | 1924–1967 | 5 | |
| Teatre Municipal de Berga | Teatre Municipal de Berga | Spain, Berga, Ronda de Queralt, 15 | 2008-09-13 | -- | 2008 | 1 | |
| Theatre Three | Theatre Three | United States, Dallas, 2800 Routh Street | 1970-04-24 | 1970-05-16 | 1970 | 1 | |
| Teatro Politecnico | Teatro Politecnico | Italy, Rome, Via Giovanni Battista Tiepolo | 1988-04-14 | 2002-05-19 | 1988–2002 | 3 | |
| The Civic Theatre at Dobbs Ferry | The Civic Theatre at Dobbs Ferry | United States, Dobbs Ferry | 1937-10-23 | -- | 1937 | 1 | |
| Thiva | Thiva | Greece, Thiva | 1981-11-15 | -- | 1981 | 1 | |
| Teatre d`Artà | Teatre d`Artà | Spain, Artà, Carrer Ciutat, 1 | 2005-01-14 | -- | 2005 | 1 | |
| Théâtre de la Renaissance | Théâtre de la Renaissance | France, Paris, 20 Boulevard Saint-Martin | 1898-03-29 | 1899-12-27 | 1898–1899 | 4 | |
| Teamtheater | Teamtheater | Germany, Munich, Am Einlaß 4 | 2007-02-07 | 2007-02-24 | 2007 | 1 | |
| Thorvalds pub og studentkro | Thorvalds pub og studentkro | Norway, Nesna, Nesna | 2012-05-07 | -- | 2012 | 1 | |
| Theatro Inteal | Theatro Inteal | Greece, Athens | 1950-10-09 | 1950-10-22 | 1950 | 1 | |
| Teatrul Național Radiofonic (Societatea Română de Radiodifuziune) | Teatrul Național Radiofonic (Societatea Română de Radiodifuziune) | Romania, Bucureşti, Str. General Berthelot, Nr. 60-64 | 1929-09-28 | 1991-- | 1929–2006 | 16 | |
| Teatro Studio | Teatro Studio | Italy, Milan, Via Rivoli 6 | 2002-01-10 | 2002-01-27 | 2002 | 1 | |
| Teatro Bellini | Teatro Bellini | Italy, Palermo, Piazza Bellini, 1-90133 | 1892-12-11 | -- | 1892 | 1 | |
| Tynset | Tynset | Norway, Tynset | 1991-10-15 | -- | 1991–2005 | 4 | |
| Tigheci | Tigheci | Moldova, Tigheci | -- | -- | | | |
| Teatro Municipal Joaquim Benite | Teatro Municipal Joaquim Benite | Portugal, Almada, Av. Prof. Egas Moniz | 2014-02-08 | -- | 2014 | 1 | |
| Teatr im. Juliusza Osterwy | Teatr im. Juliusza Osterwy | Poland, Gorzów Wielkopolski | 1965-04-03 | -- | 1965 | 1 | |
| Theatre of the Jesuit and Brother's Cultural Association | Theatre of the Jesuit and Brother's Cultural Association | Egypt, Minya | 2009-11-26 | 2009-11-27 | 2009 | 1 | |
| Theatro Nea Skini | Theatro Nea Skini | Greece, Athens, Agiou Konstantinou 22 | 1903-06-12 | 2018-02-04 | 1903–2017 | 4 | |
| Trident - Théâtre de la Butte, Le | Le Trident - Théâtre de la Butte | France, Cherbourg-Octeville, Place Général de Gaulle | 2013-04-09 | 2013-04-10 | 2013 | 1 | |
| Theater der Hansestadt Stralsund | Theater der Hansestadt Stralsund | Germany, Stralsund, Olof-Palme-Platz 6 | 1991-05-25 | -- | 1991–2005 | 3 | |
| Théâtre Jean Vilar | Théâtre Jean Vilar | France, Saint-Quentin, Place de l'Hôtel de ville | 1999-02-03 | -- | 1999 | 1 | |
| Theater Hameln | Theater Hameln | Germany, Hameln, Rathausplatz 5 | 2000-01-26 | 2000-01-26 | 2000 | 1 | |
| Teatro Cressoni | Teatro Cressoni | Italy, Como, Via Armando Diaz | 1892-11-19 | 1892-11-28 | 1892–1906 | 4 | |
| Theatro Orfefs | Theatro Orfefs | Greece, Volos | 1896-07-13 | -- | 1896 | 1 | |
| Teatrul Naţional din Cernăuţi | Teatrul Naţional din Cernăuţi | Ukraine, Cernăuţi | 1925-01-31 | 1935-- | 1925–1934 | 5 | |
| Teatro da UFSC | Teatro da UFSC | Brazil, Florianópolis | 1985-12-11 | -- | 1985 | 1 | |
| Trudvang | Trudvang | Norway, Surna | 1956-02-10 | -- | 1956 | 1 | |
| Théâtre de Gennevilliers | Théâtre de Gennevilliers | France, Gennevilliers, 41 Avenue des Grésillons | 1995-05-02 | 2004-04-04 | 1995–2004 | 5 | |
| Teatro Giovanni Testori | Teatro Giovanni Testori | Italy, Forlì, Viale Amerigo Vespucci, 13 | 2004-01-10 | -- | 2004–2008 | 2 | |
| Theatret i Kristiansand | Theatret i Kristiansand | Norway, Kristiansand | 1858-04-16 | 1984-11-24 | 1858–1984 | 13 | |
| Theater! Theatre! | Theater! Theatre! | United States, Portland, 3430 SE Belmont Street | 2007-08-24 | 2007-09-22 | 2007 | 1 | |
| Teatro Académico Gil Vicente | Teatro Académico Gil Vicente | Portugal, Coimbra, Praça República | 2009-07-31 | 2009-08-01 | 2009 | 1 | |
| Theater am Aegi | Theater am Aegi | Germany, Hannover, Aegidientorplatz 2 | 1975-10-17 | -- | 1975–1982 | 2 | |
| Théâtre de l’Archipel | Théâtre de l’Archipel | France, Perpignan, Avenue Général Leclerc | 2013-01-19 | 2019-12-05 | 2013–2019 | 3 | |
| Theatro Katrakeio | Theatro Katrakeio | Greece, Piraeus | 1994-08-18 | 1994-08-18 | 1994 | 1 | |
| Teatro Torti | Teatro Torti | Italy, Bevagna, Piazza Filippo Silvestri | 2000-01-20 | -- | 2000–2004 | 2 | |
| Theater de Kunstgreep | Theater de Kunstgreep | Netherlands, Oostzaan, Kerkbuurt 4, | 2012-03-08 | -- | 2012 | 1 | |
| Tilburg | Tilburg | Netherlands, Tilburg | -- | -- | | | |
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