| Theaterhaus Jena | Theaterhaus Jena | Germany, Jena, Schillergäßchen 1 | 1994-03-30 | -- | 1994 | 1 | |
| Teatermuseet | Teatermuseet | Norway, Oslo, Nedre Slottsgate 1 | 2010-09-25 | -- | 2010 | 1 | |
| Trudvang | Trudvang | Norway, Surna | 1956-02-10 | -- | 1956 | 1 | |
| Tangen samfunnshus | Tangen samfunnshus | Norway, Tangen | 1978-03-12 | 1978-10-22 | 1978 | 1 | |
| Theatre on The Square | Theatre on The Square | South Africa, Sandton (Johannesburg) | 2025-05-14 | 2025-06-07 | 2025 | 1 | |
| Teatro José de Alencar | Teatro José de Alencar | Brazil, Fortaleza | 1983-06- | -- | 1983 | 1 | |
| Teatro Comunale Candoni | Teatro Comunale Candoni | Italy, Tolmezzo, Via 25 Aprile, 33028 | 2012-03-13 | -- | 2012 | 1 | |
| TheatreLab@855 | TheatreLab@855 | United States of America, Boston | 2013-12-11 | 2013-12-15 | 2013 | 1 | |
| Théâtre du Chaudron | Théâtre du Chaudron | France, Paris, Route du Champ de Manœuvre | 2008-02-01 | 2008-02-12 | 2008 | 1 | |
| Teatro Infanta Isabel | Teatro Infanta Isabel | Spain, Madrid, C/ Barquillo 24 | 1915-11-24 | -- | 1915 | 1 | |
| Thessaloniki | Thessaloniki | Greece, Thessaloniki | 1962-03-15 | 1962-05-24 | 1962 | 1 | |
| Theatro Kappa | Theatro Kappa (Kappa Theatre) | Greece, Athens, 2 Kypselis Street | 2004-11-12 | 2005-02-06 | 2004 | 1 | |
| Teatro Quijano | Teatro Quijano | Spain, Ciudad Real, Calle Ciruela, 7 | 1998-06-11 | -- | 1998 | 1 | |
| Troms Fylkeskultursenter | Troms Fylkeskultursenter | Norway, Tromsø, Strandveien 95 | 1997-11-10 | 1997-11-11 | 1997 | 1 | |
| Teatr im. Juliusza Osterwy | Teatr im. Juliusza Osterwy | Poland, Gorzów Wielkopolski | 1965-04-03 | -- | 1965 | 1 | |
| The Grand | The Grand | United States of America, Owensboro | 1908-03-25 | 1908-03-25 | 1908 | 1 | |
| Teatro Félix Petite Antzokia | Teatro Félix Petite Antzokia | Spain, Vitoria-Gasteiz, Landaberde Kalea, 31, 01010 | 2025-02-21 | 2025-02-22 | 2025 | 1 | |
| Théâtre Garonne | Théâtre Garonne | France, Toulouse, 1 Avenue du Château d'Eau | 2000-02-01 | 2000-02-05 | 2000 | 1 | |
| Toten Folkehøgskole | Toten Folkehøgskole | Norway, Lena | 1971-02-15 | -- | 1971 | 1 | |
| Teatro Tirinnanzi | Teatro Tirinnanzi | Italy, Legnano, Piazza IV Novembre, 4/A, 20025 Legnano MI, Italy | 2023-05-29 | -- | 2023 | 1 | |
| Teatro Glória | Teatro Glória | Brazil, Rio de Janeiro, Rua do Russel, 632 | 1994-04-13 | -- | 1994 | 1 | |
| Theatre de la Porte Gentilly | Theatre de la Porte Gentilly | France, Paris, Porte de Gentilly | 1986-12-17 | 1987-02-07 | 1986 | 1 | |
| Theatro Monis Lazariston | Theatro Monis Lazariston | Greece, Thessaloniki | 2008-05-02 | 2008-06-01 | 2008 | 1 | |
| Teatro Iris | Teatro Iris | Spain, Avilés | 1922-06- | -- | 1922 | 1 | |
| Teatteri Jurkka | Teatteri Jurkka | Finland, Helsinki, 7, Vironkatu | 1995-09-28 | -- | 1995 | 1 | |
| The Grand | The Grand | United States of America, San Antonio | 1903-11-25 | 1903-11-25 | 1903 | 1 | |
| Teatri Migjeni | Teatri Migjeni | Albania, Shkodër , Sheshi Demokracia 1 | 2010-11-13 | -- | 2010 | 1 | |
| Teatro Rossini | Teatro Rossini | Italy, Pesaro PU, Piazza Lazzarini | 2000-02-25 | 2000-02-27 | 2000 | 1 | |
| Tao Tao Theatre | Tao Tao Theatre | China, Nanjing, Yanlin Alley | 1935-01-01 | 1935-01-03 | 1935 | 1 | |
| Theological Hall | Theological Hall | Canada, Kingston, 10-14 Professors' Walk | 2024-11-02 | 2024-11-10 | 2024 | 1 | |
| Trossnäs lägerplats | Trossnäs lägerplats | Sweden, Trossnäs | 1911-06-30 | -- | 1911 | 1 | |
| Theatret i Grenå | Theatret i Grenå | Denmark, Grenå | 1885-02-28 | -- | 1885 | 1 | |
| Theatre Utsav | Theatre Utsav | India, New Delhi | 2008-01-08 | -- | 2008 | 1 | |
| Teatro Nacional Almeida Garrett | Teatro Nacional Almeida Garrett | Portugal, Lisbon, Praça D. Pedro IV | 1928-03-20 | -- | 1928 | 1 | |
| Théâtre de l'Orangerie | Théâtre de l'Orangerie | Switzerland, Genève, Quai Gustave-Ador 66B | 2021-07-08 | 2021-07-25 | 2021 | 1 | |
| Theater Rigiblick | Theater Rigiblick | Switzerland, Zürich, Germaniastrasse 99 | 2019-04-09 | 2019-03-19 | 2019 | 1 | |
| Teatro de la Candela | Teatro de la Candela | Uruguay, Montevideo, Ellauri 308 | 1997-09-21 | -- | 1997 | 1 | |
| Teatro della Contraddizione | Teatro della Contraddizione | Italy, Milano, Via Privata della Braida, 6, 20122 | 2023-03-30 | 2023-04-02 | 2023 | 1 | |
| Theatro Ilisia | Theatro Ilisia | Greece, Alexandroupoli | 1940-02- | -- | 1940 | 1 | |
| Teatro S. Remigio | Teatro S. Remigio | Italy, Torino, Via Chiala 4 | 1975-03-12 | -- | 1975 | 1 | |
| Teatr Kameralny | Teatr Kameralny | Poland, Warsaw, Foksal 16 | 1958-05-03 | -- | 1958 | 1 | |
| Toten | Toten | Norway, Toten | 1990-- | 1991-- | 1990 | 1 | |
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