| Teatro Massimo | Teatro Massimo | Italy, Benevento, Via Giovan Battista Perasso, 3, 82100 | 2012-03-02 | -- | 2012 | 1 | |
| Teatr Ludowy | Teatr Ludowy | Poland, Kraków, osiedle Teatralne 34 | 1910-09-24 | 1910-10-03 | 1910 | 1 | |
| Teatre Comptal (Clot) | Teatre Comptal (Clot) | Spain, Barcelona | 1915-10-06 | -- | 1915 | 1 | |
| Trondheim Torg | Trondheim Torg | Norway, Trondheim, Kongens gate 9 | 2004-11-06 | 2004-11-13 | 2004 | 1 | |
| Teatro Filarmónica | Teatro Filarmónica | Spain, Oviedo, Calle Mendizábal, 3, | 2015-05-14 | -- | 2015 | 1 | |
| Théâtre Tristan Bernard (Théâtre Albert-Ier) | Théâtre Tristan Bernard (Théâtre Albert-Ier) | France, Paris, 64 Rue du Rocher | 1931-10-23 | -- | 1931 | 1 | |
| Teatro Domus | Teatro Domus | Brazil, São Paulo | 1985-08-20 | -- | 1985 | 1 | |
| Teatro Rossini | Teatro Rossini | Italy, Lugo, Piazza Cavour, 17, 48022 | 2017-01-13 | 2017-01-15 | 2017 | 1 | |
| Teatri Kombëtar i Operas dhe Baletit | Teatri Kombëtar i Operas dhe Baletit (National Opera and Ballet Theatre) | Albania, Tirana | 2009-10- | -- | 2009 | 1 | |
| Théâtre Mogador | Théâtre Mogador | France, Paris, 25 Rue de Mogador | 1922-11-06 | -- | 1922 | 1 | |
| Tanssiteatteri ERI | Tanssiteatteri ERI | Finland, Turku, Yliopistonkatu 7 | 1946-- | 1947-- | 1946 | 1 | |
| Teatro Civico 14 | Teatro Civico 14 | Italy, Caserta, Via Francesco Petrarca, 25, 81100 Caserta CE, Italy | 2021-12-07 | 2021-12-09 | 2021 | 1 | |
| Theater Excelsior | Theater Excelsior | Netherlands, The Hague, Statenlaan 45 | 1933-03-06 | -- | 1933 | 1 | |
| Teatro do Píer da Praça Mauá | Teatro do Píer da Praça Mauá | Brazil, Praça Mauá, Avenida Rodrigues Alves, 10 | 1996-10-18 | -- | 1996 | 1 | |
| Théâtre 145 | Théâtre 145 (Theatre cent quarante-cinq) | France, Grenoble, 145 Cours Berriat | 2018-03-22 | 2018-03-24 | 2018 | 1 | |
| Tierra Del Sol, Studio Theatre – | Studio Theatre – Tierra Del Sol | United States of America, Lady Lake, 806 San Marino Dr | 2019-03-19 | 2019-04-28 | 2019 | 1 | |
| Teatro Comunale Ferdinando Bibiena | Teatro Comunale Ferdinando Bibiena | Italy, Sant'Agata Bolognese BO, Via II Agosto 1980, 114, | 2008-01-28 | -- | 2008 | 1 | |
| Tjodalyng ungdomsskole | Tjodalyng ungdomsskole | Norway, Tjodalyng, 3280 Tjodalyng | 2007-01-11 | -- | 2007 | 1 | |
| Thesbiteateret | Thesbiteateret | Norway, Tønsberg, Nordlysveien 4 c, 3113 Tønsberg | 1978-03-01 | -- | 1978 | 1 | |
| Theater Rüsselsheim | Theater Rüsselsheim | Germany, Rüsselsheim am Main, Am Treff 1 | 2005-11-09 | -- | 2005 | 1 | |
| Theatro Bolari | Theatro Bolari | Greece, Chania, Crete | 1937-07-21 | -- | 1937 | 1 | |
| Teatro Nacional de México | Teatro Nacional de México | Mexico, Mexico City, Vergara Street | 1896-02-20 | 1896-02-27 | 1896 | 1 | |
| Théâtre de Chelles | Théâtre de Chelles | France, Chelles, Place des Martyrs de Châteaubriant | 2012-03-30 | -- | 2012 | 1 | |
| Teatro Alla Scala - Laboratori-Atelier ex Ansaldo | Teatro Alla Scala - Laboratori-Atelier ex Ansaldo | Italy, Milano, V. Ambrogio Bergognone da Fossano, 34, 20144 | 2012-11-09 | 2012-11-10 | 2012 | 1 | |
| Teatro Oscar Fessler | Teatro Oscar Fessler | Costa Rica, Barrio Escalante, San José | 2010-09-17 | 2010-10-24 | 2010 | 1 | |
| Teatro Civico | Teatro Civico | Italy, Sassari, Corso Vittorio Emanuele II, 07100 Sassari SS, Italy | 2020-01-20 | -- | 2020 | 1 | |
| Teatro India | Teatro India | Italy, Rome, Lungotevere Vittorio Gassman, 1 | 2008-04-02 | 2008-04-06 | 2008 | 1 | |
| Theatret i Hotel Phønix | Theatret i Hotel Phønix | Norway, Skien | 1883-11-21 | 1884-06-11 | 1883 | 1 | |
| Trinity Valley School | Trinity Valley School | United States of America, Willow Creek, 730 CA-96 | 2005-12-08 | -- | 2005 | 1 | |
| Telfair Peet Theatre | Telfair Peet Theatre | United States of America, Auburn, 350 W Samford Ave | 2021-09-30 | 2021-10-06 | 2021 | 1 | |
| Teatro Faap | Teatro Faap | Brazil, Higienópolis, Rua Alagoas, 903 | 2002-04-12 | -- | 2002 | 1 | |
| Teatro della Regina | Teatro della Regina | Italy, Cattolica, Piazzale della Repubblica 1 | 2001-03-06 | 2001-03-06 | 2001 | 1 | |
| Theater | Theater | Germany, Marsberg | 1980-01-30 | -- | 1980 | 1 | |
| Teatro Serra | Teatro Serra | Italy, Napoli, Via Diocleziano, 316, 80125 | 2023-03-24 | 2023-03-26 | 2023 | 1 | |
| Trianon-Theater | Trianon-Theater | Germany, Berlin, Prinz-Friedrich-Karl-Straße 7 | 1914-12-31 | -- | 1914 | 1 | |
| Teatro Juvarra | Teatro Juvarra | Italy, Torino, Via Juvarra 13, 10128 | 1975-02-23 | 1975-02-25 | 1975 | 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 | |
| Teatre Lliure YouTube channel | Teatre Lliure YouTube channel | Spain | 2020-04-23 | 2020-04-26 | 2020 | 1 | |
| Tao Tao Theatre | Tao Tao Theatre | China, Nanjing, Yanlin Alley | 1935-01-01 | 1935-01-03 | 1935 | 1 | |
| Theatr Ardudwy | Theatr Ardudwy | Wales, Harlech, Gwynedd | 1993-05-25 | -- | 1993 | 1 | |
| The Lights | The Lights | England, Andover, 3 West St | 2011-05-04 | -- | 2011 | 1 | |
| The Novelty Theatre | The Novelty Theatre | United States of America, San Francisco | 1908-05-23 | 1908-05-23 | 1908 | 1 | |
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