| The Sheridan Square Playhouse | The Sheridan Square Playhouse | United States, New York, 99 7th Avenue South | 1961-06-26 | -- | 1961 | 1 | |
| TIK-Zelt vor der Votivkirche | TIK-Zelt vor der Votivkirche | Austria, Vienna | 1988-04-16 | -- | 1988 | 1 | |
| Theater Hagen | Theater Hagen | Germany, Hagen, Elberfelder Straße 65 | 1920-01-10 | 2005-09-20 | 1920–2010 | 5 | |
| Theater Leo17 | Theater Leo17 | Germany | 2017-06-21 | 2017-06-23 | 2017 | 1 | |
| Teatralnij osobnjak | Teatralnij osobnjak | Russia, Moscow, Bibliotečnaja 23 | 2009-03-20 | -- | 2009 | 1 | |
| Teatro Kismet OperA | Teatro Kismet OperA | Italy, Bari, Str. S. Giorgio Martire, 22/F | 2008-03-29 | 2008-03-30 | 2008 | 1 | |
| Theater Kikker | Theater Kikker | Netherlands, Utrecht, Ganzenmarkt 14 | 2002-05-08 | 2017-03-24 | 2002–2017 | 6 | |
| Teatro de la Princesa | Teatro de la Princesa | Spain, Madrid | 1908-01-14 | -- | 1908–1919 | 2 | |
| Turku | Turku | Finland, Turku | -- | -- | | | |
| Theater Antigone | Theater Antigone | Belgium, Overleiestraat 47 | -- | -- | | | |
| Teatro Glênio Peres | Teatro Glênio Peres | Brazil, Porto Alegre, Av. Loureiro da Silva, 255 | 2019-08-30 | 2019-08-31 | 2019 | 1 | |
| Teatro Libero | Teatro Libero | Italy, Milan, Via Savona, 10 | 2006-07-04 | 2006-07-22 | 2006 | 1 | |
| Tønsberghallen | Tønsberghallen | Norway, Tønsberg, Eikveien | 1997-09-13 | 1997-09-15 | 1997 | 1 | |
| Theater am Karl-Marx-Platz | Theater am Karl-Marx-Platz | Germany, Karl-Marx-Stadt (Chemnitz) | 1953-11-14 | -- | 1953 | 1 | |
| Teatro alle Tese dell'Arsenale | Teatro alle Tese dell'Arsenale | Italy, Venice | 2000-09-11 | 2000-09-15 | 2000 | 1 | |
| 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 | |
| The Walker | The Walker | Canada, Winnipeg | 1909-01-30 | 1909-01-30 | 1909 | 1 | |
| Teatr Współczesny | Teatr Współczesny | Poland, Szczecin, Wały Chrobrego 3 | 1978-04-28 | -- | 1978 | 1 | |
| Teatro Lirico | Teatro Lirico | Italy, Milan, Via Larga, 14 | 1905-12-11 | 1928-11-16 | 1905–1977 | 5 | |
| Teatr Weimar | Teatr Weimar | Sweden, Malmö, S:t Gertrudsgatan 4B | 2010-02-12 | 2010-03-07 | 2010 | 1 | |
| Teatro Pietro Mascagni | Teatro Pietro Mascagni | Italy, Chiusi, Via G.Garibaldi | 2005-02-26 | -- | 2005 | 1 | |
| Theatro Ilisia | Theatro Ilisia | Greece, Alexandroupoli | 1940-02- | -- | 1940 | 1 | |
| Teatro Rosalía de Castro | Teatro Rosalía de Castro | Spain, A Coruña, Calle del Riego de Agua, 37, | 2005-12-16 | 2005-12-17 | 2005 | 1 | |
| Teatret i Ringkjøbing | Teatret i Ringkjøbing | Denmark, Ringkjøbing | 1902-11-26 | -- | 1902 | 1 | |
| Theatro Sigchrono Athinas | Theatro Sigchrono Athinas | Greece, Athens, Evmolpidon 39 | 2004-12-25 | 2005-04-24 | 2004 | 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 | |
| Trikkehallen på Kjelsås | Trikkehallen på Kjelsås | Norway, Oslo, Midtoddveien 12 | 2010-06-18 | -- | 2010 | 1 | |
| Theater am Ring | Theater am Ring | Germany, Villingen | 1980-03-11 | -- | 1980 | 2 | |
| Telus Studio Theatre, Chan Centre for the Performing Arts | Telus Studio Theatre, Chan Centre for the Performing Arts | Canada, Vancouver, 6265 Crescent Rd | 2004-03-18 | 2009-11-07 | 2004–2009 | 2 | |
| Tbilisi | Tbilisi | Georgia, Tbilisi | 1906-02-20 | 1906-- | 1906 | 2 | |
| Theatro Settas "Nikos Papakonstantinou" | Theatro Settas "Nikos Papakonstantinou" | Greece, Setta, Evia, Ano Setta | 2006-08-05 | 2006-08-05 | 2006 | 1 | |
| Tveten ungdomsskole | Tveten ungdomsskole | Norway, Porsgrunn | 2005-10-20 | 2005-10-21 | 2005–2006 | 3 | |
| Tønder Kulturhus | Tønder Kulturhus | Denmark, Tønder, Ribelandevej 39 | 2002-03-20 | -- | 2002–2018 | 5 | |
| Teatteri Imatra | Teatteri Imatra | Finland, Imatra, Kallenkuja 3 | 1972-- | 1973-- | 1972 | 1 | |
| Theater Basel | Theater Basel | Switzerland, Basel, Elisabethenstrasse 16 | 1991-12-12 | 2017-06-22 | 1991–2017 | 13 | |
| Trinity Parish Church | Trinity Parish Church | United States, Seattle, 609 8th Ave | 2018-07-06 | 2018-07-29 | 2018 | 1 | |
| Teatrul Tineretului Piatra-Neamt | Teatrul Tineretului Piatra-Neamt | Romania, Piatra Neamț, Piața Ștefan cel Mare 1 | 1966-01-30 | 1985-11-18 | 1966–1985 | 3 | |
| Teatr Ludowy Tadeusza Pilarskiego | Teatr Ludowy Tadeusza Pilarskiego | Poland, Przemyśl | 1907-03-01 | -- | 1907 | 1 | |
| Teatro Quirino | Teatro Quirino | Italy, Rome, Via delle Vergini | 1955-12-28 | 2003-06-01 | 1955–2003 | 4 | |
| Tower Grove Abbey | Tower Grove Abbey | United States, Saint Louis, 2336 Tennessee Avenue | 2017-02-02 | 2018-06-23 | 2017–2018 | 2 | |
| Tylovo divadlo | Tylovo divadlo | Czech Republic, Prague | 1966-01-26 | 1967-05-23 | 1966 | 1 | |
| Teatret i Frederikssund | Teatret i Frederikssund | Denmark, Frederikssund | 1907-11-29 | -- | 1907 | 1 | |
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