| Teatrul Național de Operă și Balet Oleg Danovski | Teatrul Național de Operă și Balet Oleg Danovski | Romania, Constanța, Str. Mircea cel Bătrân, nr. 97 | 2013-05-30 | -- | 2013 | 1 | |
| Teatro Calderón de la Barca de Valladolid | Teatro Calderón de la Barca de Valladolid | Spain, Valladolid, Calle de las Angustias, 1 | 2005-02-11 | 2005-02-13 | 2005 | 1 | |
| Theatre Royal | Theatre Royal | Australia, Hobart, 29 Campbell Street | 1891-10-14 | 1971-04-24 | 1891–1971 | 3 | |
| The Street Theatre | The Street Theatre | Australia, Canberra, 15 Childers Street | 2004-08-04 | 2004-08-07 | 2004 | 1 | |
| Theatre 3 | Theatre 3 | United States, New York, 311 W 43rd St | 2003-05-17 | 2003-06-22 | 2003 | 1 | |
| Teatro Lirico | Teatro Lirico | Italy, Milan, Via Larga, 14 | 1905-12-11 | 1928-11-16 | 1905–1977 | 5 | |
| Theatro Magiko Palati | Theatro Magiko Palati | Cyprus, Nikosia | 1946-12-13 | -- | 1946–1947 | 2 | |
| Teatro Sistina | Teatro Sistina | Italy, Rome, Via Sistina, 129 | 1969-05-15 | 1969-05-16 | 1969 | 1 | |
| Teatro Goldoni | Teatro Goldoni | Italy, Venice, Sestiere San Marco | 1892-05-20 | 2022-02-06 | 1892–2022 | 16 | |
| The Plough Theatre | The Plough Theatre | England, Devon, 9-11 Fore St, Great Torrington | 1985-01-15 | -- | 1985 | 1 | |
| Theatro Dionysiadou | Theatro Dionysiadou | Greece, Pireus | 1901-05-24 | 1901-08-24 | 1901–1921 | 7 | |
| Teatro Comunale di Ferrara | Teatro Comunale di Ferrara | Italy, Ferrara, CORSO MARTIRI DELLA LIBERTÀ 5 | 1980-10-29 | 2017-01-12 | 1980–2017 | 4 | |
| The Vancouver Playhouse | The Vancouver Playhouse | Canada, Vancouver | 1974-01-27 | -- | 1974 | 1 | |
| Théâtre du Gymnase | Théâtre du Gymnase | France, Paris, 38, boulevard Bonne Nouvelle | 1899-10-29 | -- | 1899–1913 | 3 | |
| Teatret i Ringkjøbing | Teatret i Ringkjøbing | Denmark, Ringkjøbing | 1902-11-26 | -- | 1902 | 1 | |
| Theatro Polytheama | Theatro Polytheama | Greece, Pireus | 1898-08-16 | 1913-02-14 | 1898–1913 | 3 | |
| Teatro Vascello | Teatro Vascello | Italy, Rome, Via Giacinto Carini, 78, | 1993-11-10 | 1993-12-20 | 1993–2017 | 2 | |
| Taproot Theatre | Taproot Theatre | United States, Seattle, 204 N 85th St | 2005-02-02 | 2005-03-05 | 2005 | 1 | |
| Teatro Ideal | Teatro Ideal | Mexico, Mexico by | 1916-11-17 | -- | 1916 | 1 | |
| Teatro Filarmonico di Piove di Sacco | Teatro Filarmonico di Piove di Sacco | Italy, Padova, Via Arturo Toscanini, 8 | 2003-11-28 | -- | 2003 | 1 | |
| Teatry Dramatyczne | Teatry Dramatyczne | Poland, Poznań | 1958-12-19 | -- | 1958 | 1 | |
| Technical School Auditorium | Technical School Auditorium | Canada, Kingston | 1932-04-21 | -- | 1932 | 1 | |
| Teatergrad | Teatergrad | Denmark, Copenhagen, Nørrebrogade 208 | 2015-08-27 | 2015-11-02 | 2015 | 1 | |
| Tromsø | Tromsø | Norway, Tromsø | 1898-01-10 | 1999-06-19 | 1898–2015 | 9 | |
| Théâtre de la Cité Internationale | Théâtre de la Cité Internationale | France, Paris, 21a Boulevard Jourdan | 1981-04-23 | 2014-05-11 | 1981–2014 | 3 | |
| Theatro Katerinas Vasilakou | Theatro Katerinas Vasilakou | Greece, Athens, Profitou Daniil 3 | 2003-09-08 | 2003-09-20 | 2003 | 1 | |
| Teatr Ludowy Tadeusza Pilarskiego | Teatr Ludowy Tadeusza Pilarskiego | Poland, Przemyśl | 1907-03-01 | -- | 1907 | 1 | |
| Theater de Kom | Theater de Kom | Netherlands, Nieuwegein, Stadsplein 6 | 2017-02-25 | 2017-02-26 | 2017 | 1 | |
| Teatro do Atlántico | Teatro do Atlántico | Spain, Culleredo, La Coruña, Outeiro de Arriba | 1995-11-22 | -- | 1995 | 1 | |
| Trilogy Theatre | Trilogy Theatre | United States, New York, 341 W 44th St | 1998-12-02 | 2000-10-21 | 1998–2000 | 2 | |
| Theatro Foskolos | Theatro Foskolos | Greece, Zakynthos, Dionysios Solomos Square | 1904-04- | -- | 1904–1911 | 3 | |
| The Little Country Theater (North Dakota State University) | The Little Country Theater | United States, Fargo, 1340 Administration Ave | 1928-03-20 | -- | 1928 | 1 | |
| Teatro Astra | Teatro Astra | Italy, Vicenza, Contrà delle Barche, 53 | 2001-03-03 | -- | 2001 | 1 | |
| Teatro Verdi | Teatro Verdi | Italy, Padova, Via Livello, 32 | 2001-01-09 | 2001-01-14 | 2001 | 1 | |
| Teatro Municipal | Teatro Municipal | Spain, Alcázar de San Juan, Calle de Goya, 1 | 2010-03-11 | -- | 2010 | 1 | |
| The Sheridan Square Playhouse | The Sheridan Square Playhouse | United States, New York, 99 7th Avenue South | 1961-06-26 | -- | 1961 | 1 | |
| Théâtre les Gémeaux | Théâtre les Gémeaux | France, Sceaux, 49 Avenue Georges Clemenceau | 1998-11-05 | 2018-02-04 | 1998–2018 | 5 | |
| TAT-Probebühne | TAT-Probebühne | Germany, Frankfurt, Daimlerstraße 32 | 1993-10-07 | 1994-06-05 | 1993–1994 | 2 | |
| Tromøy ungdomsskole | Tromøy ungdomsskole | Norway, Færvik, Aust-Agder | 1997-09-01 | -- | 1997 | 1 | |
| The Place Theatre | The Place Theatre | England, London, 17 Duke's Rd | 1985-02-25 | 1985-02-27 | 1985–1990 | 2 | |
| The Jefferson Theatre | The Jefferson Theatre | United States, Coffeyville | 1909-01-08 | 1909-01-08 | 1909 | 1 | |
| Théâtre Forum Meyrin | Théâtre Forum Meyrin | Switzerland, Meyrin, Place des Cinq-Continents 1 | 2012-12-05 | 2012-12-06 | 2012 | 1 | |
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