| Teatr im. Żeromskiego | Teatr im. Żeromskiego | Poland, Kielce/ Radom, Henryka Sienkiewicza 32 | 1954-11-13 | -- | 1954–1965 | 3 | |
| Théâtre Antoine | Théâtre Antoine | France, Paris, 14 Boulevard de Strasbourg | 1898-02-06 | -- | 1898–1913 | 7 | |
| 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 | |
| Théâtre du Chaudron | Théâtre du Chaudron | France, Paris, Route du Champ de Manœuvre | 2008-02-01 | 2008-02-12 | 2008 | 1 | |
| Teatro Ermete Novelli | Teatro Ermete Novelli | Italy, Rimini RN, Via Alfredo Cappellini, 3 | 2001-07-14 | 2005-02-13 | 2001–2008 | 3 | |
| Teatrul "Tony Bulandra" | Teatrul "Tony Bulandra" | Romania, Târgovişte, Bulevardul Regele Carol I nr. 43 Târgoviște | -- | -- | 2016–2019 | 5 | |
| Teatrul Figura Studio (Figura Stúdió Színház) | Teatrul Figura Studio (Figura Stúdió Színház) | Romania, Gheorgheni, Bulevardul Frăției nr. 9 | 2018-09-28 | -- | 2018 | 1 | |
| Todd Theatre | Todd Theatre | United States of America, Rochester, 500 Joseph C Wilson Blvd | 1999-04-22 | 2014-03-08 | 1999–2014 | 2 | |
| Theatro Athina | Theatro Athina (Athens Theater) | Greece, Athina, Derigni 10 | 1979-11-02 | 1979-12-16 | 1979 | 1 | |
| Theatro Vretania | Theatro Vretania (Theatre Bretagne) | Greece, Athens | 1943-01-27 | 1943-02-16 | 1943 | 1 | |
| Teatro da Graça | Teatro da Graça | Portugal, Lisbon | 1993-11-18 | 1994-01-16 | 1993 | 1 | |
| Turku | Turku | Finland, Turku | -- | -- | | | |
| Teatro Municipal de Santiago | Teatro Municipal de Santiago | Chile, Santiago, Agustinas 794, Región Metropolitana | 1926-12-22 | 2017-01-22 | 1926–2017 | 4 | |
| The Place Theatre | The Place Theatre | England, London, 17 Duke's Rd | 1985-02-25 | 1985-02-27 | 1985–1990 | 2 | |
| Teatro Sociale di Soresina | Teatro Sociale di Soresina | Italy, Soresina CR, Via Giuseppe Verdi, 23 | 2000-01-31 | -- | 2000 | 1 | |
| The Theatre 300 | The Theatre 300 | Japan, Tokyo | 1978-07-04 | 1984-09-09 | 1978–1984 | 2 | |
| Theatr Mwldan | Theatr Mwldan | Wales, Cardigan, Dyfed, Bath House Road | 1993-05-26 | -- | 1993 | 1 | |
| Theatro Kotopouli | Theatro Kotopouli (Kotopoulis Theatre) | Greece, Athens | 1918-07-27 | 2003-01-19 | 1918–2002 | 5 | |
| Theatro Ekati | Theatro Ekati | Greece, Athina, Ekatis 11, Athina 113 64, Hellas | 2023-10-28 | 2023-12-30 | 2023 | 1 | |
| Theater am Haidplatz | Theater am Haidplatz | Germany, Regensburg, Haidplatz 3 | 1995-05-28 | 2008-12-22 | 1995–2008 | 3 | |
| Tulcea | Tulcea | Romania, Tulcea | -- | -- | | | |
| Teater Geist | Teater Geist | Finland, Degerby | 2015-03-19 | -- | 2015 | 1 | |
| Theater der Stadt Jena | Theater der Stadt Jena | Germany, Jena | 1925-03-22 | 1952-01-09 | 1925–1951 | 5 | |
| Teatr Comoedia (MTD) | Teatr Comoedia (MTD) | Poland, Warsaw | 1946-03-11 | -- | 1946 | 1 | |
| Teaterhögskolan i Malmö | Teaterhögskolan i Malmö | Sweden, Malmö | -- | -- | | | |
| Theaterfestival Basel | Theaterfestival Basel | Switzerland, Basel | 2000-08-29 | 2000-08-31 | 2000 | 1 | |
| Teatro da Caixa | Teatro da Caixa | Brazil, Curitiba | 2006-06-02 | 2006-06-04 | 2006 | 1 | |
| Théâtre de l'Arc-en-Ciel | Théâtre de l'Arc-en-Ciel | France, Rungis, 1 Place du Général de Gaulle | 1999-01-29 | -- | 1999 | 1 | |
| Toyama prefectural hall for Education and Culturee | Toyama prefectural hall for Education and Culture | Japan, Toyama | 1991-11-21 | 1991-11-22 | 1991 | 1 | |
| Théâtre Mogador | Théâtre Mogador | France, Paris, 25 Rue de Mogador | 1922-11-06 | -- | 1922 | 1 | |
| Tōkyō Geijutsu Gekijō | Tōkyō Geijutsu Gekijō (Tokyo Metropolitan Theatre) | Japan, 1 Chome-8-1 Nishiikebukuro, Toshima City, Tokyo 171-0021, Japan | 1994-09-29 | 2014-11-24 | 1994–2014 | 3 | |
| Televiziunea Română (TVR) | Televiziunea Română (TVR) | Romania, Bucharest, Calea Dorobanți 191 | 1965-01-16 | 2013-11-11 | 1965–2013 | 7 | |
| The Cockpit Theatre | The Cockpit Theatre | England, London, Gateforth St | 2012-04-17 | 2018-04-28 | 2012–2018 | 3 | |
| Théâtre des Nations | Théâtre des Nations | France, Paris, 2 Place du Châtelet | -- | -- | | | |
| Twentse Schouwburg Enschede | Twentse Schouwburg Enschede | Netherlands, Enschede | 1957-11-05 | 1992-03-01 | 1957–1992 | 3 | |
| Teatro Politeama | Teatro Politeama | Italy, Catania | 1893-08-29 | -- | 1893 | 1 | |
| Timothy Christian Schools | Timothy Christian Schools | United States of America, Elmhurst, 188 West Butterfield Road | 2006-05-06 | -- | 2006 | 1 | |
| Tvedestrand videregående skole | Tvedestrand videregående skole | Norway, Tvedestrand, Lyngmyrveien 57 | 2006-05-09 | -- | 2006 | 1 | |
| Teatre Centre Agrícola | Teatre Centre Agrícola | Spain, Sant Sadurní d'Anoia | 1914-03-22 | -- | 1914 | 1 | |
| Theater Rampe | Theater Rampe | Germany, Stuttgart, Filderstraße 47 | 2010-05-17 | -- | 2010 | 1 | |
| Teatrul Bulandra | Teatrul Bulandra | Romania, Bucureşti, Bulevardul Schitu Măgureanu nr. 1, sector 5 | 1944-04-16 | 2019-11-02 | 1944–2019 | 8 | |
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