| Teatro Valle | Teatro Valle | Italy, Rome, Via del Teatro Valle, 22-32 | 1891-03-10 | 1893-03-19 | 1891–1982 | 17 | |
| Teatro Municipal Sá de Miranda | Teatro Municipal Sá de Miranda | Portugal, Viana do Castelo, R. de Sá de Miranda | 1997-11-07 | 1998-01-25 | 1997 | 2 | |
| Teatre Euterpe | Teatre Euterpe (Teatro Euterpe) | Spain, Mataró, Carrer de la Riera, 119 | 1902-09-07 | -- | 1902 | 1 | |
| Teatry Dramatyczne | Teatry Dramatyczne | Poland, Wrocław | 1957-03-30 | -- | 1957 | 1 | |
| Tripoli | Tripoli | Libya, Tripoli | 2013-09-04 | 2013-09-09 | 2013 | 1 | |
| Theatro Pallas | Theatro Pallas | Greece, Thessaloniki | 1939-05-08 | 1940-05-31 | 1939–1940 | 3 | |
| Teatro Auditorio de Cuenca | Teatro Auditorio de Cuenca | Spain, Cuenca, Paseo del Huécar, S/N | 2005-10-27 | 2005-10-27 | 2005 | 1 | |
| Théâtre Nanterre-Amandiers, Grande Salle | Théâtre Nanterre-Amandiers, Grande Salle | France, Nanterre, 7 Avenue Pablo Picasso | 1991-03-05 | 2013-04-27 | 1991–2013 | 2 | |
| Telfair Peet Theatre | Telfair Peet Theatre | United States of America, Auburn, 350 W Samford Ave | 2021-09-30 | 2021-10-06 | 2021 | 1 | |
| Théâtre de Chartres | Théâtre de Chartres | France, Chartres, Place de Ravenne | 2005-02-24 | 2005-02-25 | 2005 | 1 | |
| Teatro Ivo Chiesa | Teatro Ivo Chiesa | Italy, Genova, viale Duca d’Aosta, 16129 | 2018-11-06 | 2018-11-18 | 2018 | 1 | |
| Théatron, Kéntro Politismoú «Ellinikós Kósmos», Aíthousa Antigóni | Théatron, Kéntro Politismoú «Ellinikós Kósmos», Aíthousa Antigóni (Theatron, Cultural Center "Hellenic Cosmos", Antigone Hall) | Greece, Athens, Pireos 254, Tavros 177 78 | 2012-06-06 | 2012-07-01 | 2012 | 1 | |
| Teatr im. Stefana Jaracza | Teatr im. Stefana Jaracza | Poland, Lódz | 1920-10-19 | -- | 1920–1998 | 2 | |
| Teatro Rossini | Teatro Rossini | Switzerland, Lugano | 1893-01-24 | -- | 1893 | 1 | |
| Teatr Panteon | Teatr Panteon | Poland, Lublin | 1918-03-21 | -- | 1918 | 1 | |
| Théâtre d'Esch sur Alzette | Théâtre d'Esch sur Alzette | Luxembourg, Luxembourg, 120 r. de l'Alzette | 2002-03-18 | -- | 2002 | 1 | |
| Teatro 3 de febreo | Teatro 3 de febrero | Bolivia, Sucre, Arenales 8 | 2004-09- | -- | 2004 | 1 | |
| Teatre Lliure (Montjüic) | Teatre Lliure (Montjüic) | Spain, Barcelona, Pg. Santa Madrona, 40-46 / Pl. Margarida Xirgu, 1 | 2005-01-08 | 2022-07-03 | 2005–2022 | 8 | |
| Thionville | NEST - CDN transfrontalier de Thionville-Grand Est | France, Thionville, 15 Route de Manom | 1991-11-15 | 2018-06-08 | 1991–2018 | 4 | |
| Teatro delle Moline | Teatro delle Moline | Italy | 2023-01-11 | 2023-01-11 | 2023 | 1 | |
| Theatergesellschaft Malters | Theatergesellschaft Malters | Switzerland | 2016-04-08 | 2016-04-30 | 2016 | 1 | |
| Théâtre Présent | Théâtre Présent | France, Paris, 211 avenue Jean Jaurès | 1980-09-16 | -- | 1980–1981 | 2 | |
| Théâtre du Vieux Colombier | Théâtre du Vieux Colombier | France, Paris, 21 Rue du Vieux Colombier | 1961-06-05 | 2002-05-04 | 1961–2002 | 2 | |
| Teaterbåten MS Innvik | Teaterbåten MS Innvik | Norway, Oslo, Bjørvika | 2005-03-12 | 2008-11-12 | 2005–2008 | 5 | |
| Theatro Dionysiadou | Theatro Dionysiadou (Dionysiadou theater) | Greece, Pireus | 1901-05-24 | 1901-08-24 | 1901–1921 | 7 | |
| Teatro Palladium | Teatro Palladium | Italy, Roma, Piazza Bartolomeo Romano, 8 | 2020-02-20 | 2020-02-23 | 2020 | 1 | |
| Teatre Lliure YouTube channel | Teatre Lliure YouTube channel | Spain | 2020-04-23 | 2020-04-26 | 2020 | 1 | |
| Teatro Cine Moderno de San Pedro del Pinatar | Teatro Cine Moderno de San Pedro del Pinatar | Spain, Murcia, Calle del Barón de Benifayó | 2010-04-16 | -- | 2010 | 1 | |
| The Hole in the Wall Theatre | The Hole in the Wall Theatre | Australia, Leederville, 8 Southport Street | 1982-06-03 | -- | 1982–1988 | 2 | |
| Theatr Brycheiniog | Theatr Brycheiniog | Wales, Powys, Canal Wharf, Brecon | 2014-09-26 | 2014-09-26 | 2014 | 1 | |
| Teatro Principe di Napoli | Teatro Principe di Napoli | Italy, Catania | 1907-10-14 | -- | 1907 | 1 | |
| Teatro Contavalli | Teatro Contavalli | Italy, Bologna | 1895-05-08 | -- | 1895 | 1 | |
| Theatre Calgary | Theatre Calgary | Canada, Calgary, 205 - 8th Ave. S.E | -- | -- | | | |
| Teatr Polski im. Arnolda Szyfmana | Teatr Polski im. Arnolda Szyfmana | Poland, Warszawa, ul. Kazimierza Karasia 2 | 2017-10-06 | -- | 2017 | 1 | |
| TU-Nantes | TU-Nantes | France, Nantes, Chemin de la Censive du Tertre | 2012-02-28 | 2018-02-23 | 2012–2018 | 2 | |
| Teatre Nacional de Catalunya | Teatre Nacional de Catalunya | Spain, Barcelona, Carrer de l'Art, 1 | 2004-02-12 | 2024-04-25 | 2004–2024 | 2 | |
| Tierp | Tierp | Sweden, Tierp | 1989-10-14 | 1989-10-14 | 1989–1993 | 2 | |
| Teaterbiennalen | Teaterbiennalen | Sweden, Luleå | 1997-03- | -- | 1997 | 1 | |
| Turku | Turku | Finland, Turku | -- | -- | | | |
| Trossnäs lägerplats | Trossnäs lägerplats | Sweden, Trossnäs | 1911-06-30 | -- | 1911 | 1 | |
| Teatro del Notariado | Teatro del Notariado | Uruguay, Montevideo, Guayabo 1729 | 1980-09-25 | -- | 1980–2001 | 2 | |
| Teatr Komi | Teatr Komi | Russia, Syktyvkar, Syktyvkar | 1950-02- | -- | 1950 | 1 | |
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