| Teatro Oscar Fessler | Teatro Oscar Fessler | Costa Rica, Barrio Escalante, San José | 2010-09-17 | 2010-10-24 | 2010 | 1 | |
| Théâtre Mogador | Théâtre Mogador | France, Paris, 25 Rue de Mogador | 1922-11-06 | -- | 1922 | 1 | |
| Teatro San Genesio | Teatro San Genesio | Italy, Roma, Via Podgora, 1, 00195 Roma RM, Italy | 1991-05-16 | -- | 1991 | 1 | |
| Teatro India | Teatro India | Italy, Rome, Lungotevere Vittorio Gassman, 1 | 2008-04-02 | 2008-04-06 | 2008 | 1 | |
| Torņakalna Palīdzības biedrībā | Torņakalna Palīdzības biedrībā | Latvia, Riga, 6 Altonavas iela | 1907-10-14 | -- | 1907 | 1 | |
| Theatret i Gymnastiklokalet | Theatret i Gymnastiklokalet | Norway, Haugesund | 1884-05-05 | -- | 1884 | 1 | |
| Trinity Valley School | Trinity Valley School | United States of America, Willow Creek, 730 CA-96 | 2005-12-08 | -- | 2005 | 1 | |
| Teatro Andreani | Teatro Andreani | Italy, Mantova | 1893-03-30 | -- | 1893 | 1 | |
| Théâtre Municipal Marc Sebbah | Théâtre Municipal Marc Sebbah | France, Muret, Place Léon Blum | 2014-09-27 | 2014-09-28 | 2014 | 1 | |
| Teatro della Regina | Teatro della Regina | Italy, Cattolica, Piazzale della Repubblica 1 | 2001-03-06 | 2001-03-06 | 2001 | 1 | |
| Teatar Anton Panov | Teatar Anton Panov | Macedonia, Strumica, Ulica Mosha Pijade 1 | 1983-10-08 | 2018-05-19 | 1983–2017 | 2 | |
| Teatersalen | Teatersalen | Norway, Rommetveit | 1969-09-25 | -- | 1969 | 1 | |
| Theater | Theater | Germany, Marsberg | 1980-01-30 | -- | 1980 | 1 | |
| Teatro Ventidio Basso | Teatro Ventidio Basso | Italy, Ascoli Piceno, Via del Trivio | 2007-03-16 | 2007-03-18 | 2007–2022 | 2 | |
| Thesbiteateret | Thesbiteateret | Norway, Tønsberg, Nordlysveien 4 c, 3113 Tønsberg | 1978-03-01 | -- | 1978 | 1 | |
| Teatro Panettone | Teatro Panettone | Italy, Ancona, Via Maestri del Lavoro, 60131 | 2016-05-06 | -- | 2016 | 1 | |
| Tierp | Tierp | Sweden, Tierp | 1989-10-14 | 1989-10-14 | 1989–1993 | 2 | |
| Theagovia Theater | Theagovia Theater | Switzerland, Weinfelden | -- | -- | | | |
| Theatro Rex | Theatro Rex | Greece, Komotini | 1940-02- | -- | 1940 | 2 | |
| Tingsaker skole | Tingsaker skole | Norway, Lillesand | 1997-09-19 | -- | 1997 | 1 | |
| Teatro del Marchesato | Teatro del Marchesato | Italy, Saluzzo, Piazza Liderico Vineis, 11, 12037 | 2024-05-10 | 2024-05-19 | 2024 | 2 | |
| Teatro Faap | Teatro Faap | Brazil, Higienópolis, Rua Alagoas, 903 | 2002-04-12 | -- | 2002 | 1 | |
| The Plough Theatre | The Plough Theatre | England, Devon, 9-11 Fore St, Great Torrington | 1985-01-15 | -- | 1985 | 1 | |
| Théâtre National du Palais de Chaillot | Théâtre National du Palais de Chaillot | France, Paris, 1 Place du Trocadéro et du 11 Novembre | 1958-02-05 | -- | 1958 | 1 | |
| Theater Duisburg | Theater Duisburg | Germany, Duisburg, Neckarstraße 1 | 2004-01-08 | 2013-10-13 | 2004–2013 | 5 | |
| Teatre Lliure (Gràcia) | Teatre Lliure (Gràcia) | Spain, Barcelona | 1978-02-23 | 2023-01-29 | 1978–2022 | 3 | |
| Teatr Śląski im. Stanisława Wyspiańskiego | Teatr Śląski im. Stanisława Wyspiańskiego | Poland, Katowice, Rynek 10 | 1954-11-27 | -- | 1954–2010 | 3 | |
| The Lights | The Lights | England, Andover, 3 West St | 2011-05-04 | -- | 2011 | 1 | |
| Teatro de Chacao | Teatro de Chacao | Venezuela, Caracas, Av. Tamanaco, El Rosal, Avenida Tamanaco | 2012-04-08 | -- | 2012 | 1 | |
| Toržok | Toržok | Russia, Toržok | -- | -- | | | |
| The Novelty Theatre | The Novelty Theatre | United States of America, San Francisco | 1908-05-23 | 1908-05-23 | 1908 | 1 | |
| Tønsberghallen | Tønsberghallen | Norway, Tønsberg, Eikveien | 1997-09-13 | 1997-09-15 | 1997 | 1 | |
| Teatret i Nibe | Teatret i Nibe | Denmark, Nibe | 1907-11-05 | -- | 1907 | 1 | |
| Teatro Jovellanos | Teatro Jovellanos | Spain, Gijón, Paseo de Begoña, 11 | 1928-07-15 | 2007-05-26 | 1928–2015 | 5 | |
| Tampere | Tampere | Finland, Tampere | 1993-- | 2009-08-04 | 1993–2009 | 2 | |
| The Artillery Lane Players | The Artillery Lane Players | United States of America, St. Augustine | 1948-02-20 | -- | 1948 | 1 | |
| Transteatral | Transteatral | Czech Republic, Prague, V Jámě 1598/4 | 2010-06-06 | -- | 2010 | 1 | |
| Teatro Angelicum | Teatro Angelicum | Italy, Milan | 1954-02-26 | 1954-02-27 | 1954 | 1 | |
| Teatret i Hammerfest | Teatret i Hammerfest | Norway, Hammerfest | 1880-05-20 | -- | 1880–2009 | 9 | |
| Teatro Principal | Teatro Principal de Requena | Spain, Requena, c/ Las Cruces 5 | 2005-02-26 | 2005-10-22 | 2005 | 2 | |
| Theater der Stadt Marl | Theater der Stadt Marl | Germany, Marl, Am Theater 1 | 1962-05- | -- | 1962 | 1 | |
| Teatro Principal | Teatro Principal | Mexico, Puebla, Calle 6 Norte s/n, Centro Histórico | 1929-11-15 | -- | 1929 | 1 | |
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