| TAT-Probebühne | TAT-Probebühne | Germany, Frankfurt, Daimlerstraße 32 | 1993-10-07 | 1994-06-05 | 1993–1994 | 2 | |
| TATA Theatre, National Centre of Performing Arts | TATA Theatre, National Centre of Performing Arts | India, Mumbai, Maharashtra, Sir Dorab Tata Road, Nariman Point | 2015-10-22 | 2015-10-25 | 2015 | 1 | |
| Tatabánya | Tatabánya | Hungary, Tatabánya | 1927-05-05 | -- | 1927 | 1 | |
| Tavastehus | Tavastehus | Finland, Tavastehus | 1897-04-25 | -- | 1897 | 1 | |
| Tavistock Little Theatre | Tavistock Little Theatre | England, London, Tavistock Square, Bloomsbury | 1933-05-05 | 1938-05-07 | 1933–1938 | 6 | |
| TBG Studio Theatre | TBG Studio Theatre | United States, New York, 312 West 36th Street | 2010-02-06 | 2017-04-01 | 2010–2017 | 2 | |
| Tbilisi | Tbilisi | Georgia, Tbilisi | 1906-02-20 | 1906-- | 1906 | 2 | |
| Tbilisi International Festival of Theatre | Tbilisi International Festival of Theatre | Georgia, Tbilisi | 2015-10-05 | -- | 2015 | 1 | |
| Te'atron ha-Kameri shel Tel-Aviv (Cameri Theatre) | Te'atron ha-Kameri shel Tel-Aviv (Cameri Theatre) | Israel, Tel Aviv, Da Vinci, HaHashmona'im 93 | 1959-02-15 | 2017-12-28 | 1959–2017 | 9 | |
| Teamtheater | Teamtheater | Germany, Munich, Am Einlaß 4 | 2007-02-07 | 2007-02-24 | 2007 | 1 | |
| Teatar «Salsa i smjah» | Teatar «Salsa i smjah» | Bulgaria, Sofia | 1982-11-24 | -- | 1982 | 1 | |
| Teatar 199 | Teatar 199 | Bulgaria, Sofia, ul. "Slavyanska" 8 | 1977-10-11 | -- | 1977–1997 | 2 | |
| Teatar Anton Panov | Teatar Anton Panov | Macedonia, Strumica, Ulica Mosha Pijade 1 | 1983-10-08 | 2018-05-19 | 1983–2017 | 2 | |
| Teatar na Narodnata armija | Teatar na Narodnata armija | Bulgaria, Sofia | 1983-04-29 | -- | 1983 | 1 | |
| Teatar Vuk | Teatar Vuk | Serbia, Beograd, Bulevar Kralja Aleksandra 77a | -- | -- | | | |
| Teatar, Tetovo | National Theatre of Tetovo (Teatri I Tetovës/Народен Театар во Тетово) | Macedonia, Tetovo, Jane Sandanski 91 | 2022-10-15 | -- | 2022 | 1 | |
| Teater 1, Riksteatern | Teater 1, Riksteatern | Sweden, Hallunda, Hallunda | 1952-- | 2008-11-16 | 1952–2008 | 5 | |
| Teater 23 | Teater 23 | Sweden, Malmö, Djäknegatan 7 | 2007-03-15 | 2007-03-30 | 2007 | 1 | |
| Teater Borgen | Teater Borgen | Sweden, Osby, Klockaregatan 4 | 2000-11-14 | -- | 2000 | 1 | |
| Teater Druzhba | Teater Druzhba | Georgia, Tbilisi, Gldani-Nadzaladevi | 1990-01-11 | 1990-01-12 | 1990 | 1 | |
| Teater Durken | Teater Durken | Sweden, Gothenburg, Sven Källfelts Gata | 2001-11-10 | 2001-12-01 | 2001 | 1 | |
| Teater Fusentast | Teater Fusentast | Norway, Trondheim, Riddervolds gate 28 | 1997-11-03 | -- | 1997 | 1 | |
| Teater Får302 | Teater Får302 | Denmark, Copenhagen, Toldbodgade 6-8 | 1992-08-14 | 1995-06-05 | 1992–1995 | 2 | |
| Teater Geist | Teater Geist | Finland, Degerby | 2015-03-19 | -- | 2015 | 1 | |
| Teater Halland | Teater Halland | Sweden, Varberg, Birger Svenssons väg 28e, Box 58 | 2006-10-27 | 2014-10-31 | 2006–2014 | 2 | |
| Teater i Ernsts Hotell | Teater i Ernsts Hotell | Finland, Vaasa | 1886-03-12 | -- | 1886 | 1 | |
| Teater i Falköping (Jouvins Hotell) | Teater i Falköping (Jouvins Hotell) | Sweden, Falköping, Storgatan | 1881-12-12 | -- | 1881 | 1 | |
| Teater i Rådhussalongen | Teater i Rådhussalongen | Finland, Gamlakarleby (Kokkola) | 1886-02-19 | -- | 1886 | 1 | |
| Teater Ibsen | Teater Ibsen | Norway, Skien, Hollenderigata | 1990-09-19 | 2020-02-29 | 1990–2020 | 21 | |
| Teater Manu | Teater Manu | Norway, Oslo, Schleppegrells gate 32 | 2006-03-16 | 2006-04-23 | 2006 | 1 | |
| Teater Mungo Park | Teater Mungo Park | Denmark, Allerod, Fritz Hansens Vej 23 | 2002-01-10 | 2015-10-17 | 2002–2015 | 4 | |
| Teater NOR stor | Teater NOR stor | Norway, Stamsund , J. M. Johansens Vei 32 | 2012-05-29 | -- | 2012 | 1 | |
| Teater Pero | Teater Pero | Sweden, Stockholm, Sveavägen 114 | 2005-04-16 | -- | 2005 | 1 | |
| Teater Plaza | Teater Plaza | Sweden, Stockholm | 1998-10-10 | -- | 1998 | 1 | |
| Teater Tre | Teater Tre | Sweden, Stockholm, Rosenlundsgatan 12 | 2011-08-18 | 2011-08-20 | 2011 | 1 | |
| Teater Vanemuine | Teater Vanemuine | Estonia, Tartu, Vanemuise 6 | 1996-09-22 | 2004-04-23 | 1996–2006 | 3 | |
| Teaterbiennalen | Teaterbiennalen | Sweden, Luleå | 1997-03- | -- | 1997 | 1 | |
| Teaterbåten MS Innvik | Teaterbåten MS Innvik | Norway, Oslo, Bjørvika | 2005-03-12 | 2008-11-12 | 2005–2008 | 5 | |
| Teatergarasjen | Teatergarasjen | Norway, Bergen, Strandgaten 205 | 1993-05-06 | 1997-10-10 | 1993–1997 | 2 | |
| Teatergrad | Teatergrad | Denmark, Copenhagen, Nørrebrogade 208 | 2015-08-27 | 2015-11-02 | 2015 | 1 | |
| TeaterHUSET | TeaterHUSET | Denmark, Copenhagen, Magstræde 14 | 2006-10-12 | 2006-10-15 | 2006 | 1 | |
| Teaterhuset Avant Garden | Teaterhuset Avant Garden | Norway, Trondheim, Olav Tryggvasons gate 5 | 1997-10-27 | 2005-10-25 | 1997–2005 | 2 | |
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