| Theater der Stadt Koblenz | Theater der Stadt Koblenz | Germany, Koblenz, Clemensstraße 5 | 1928-04-04 | 2005-06-26 | 1928–2015 | 12 | |
| Theatret i Stenkjær | Theatret i Stenkjær | Norway, Steinkjer | 1898-02-28 | -- | 1898–1906 | 2 | |
| Theatro Syntagmatos | Theatro Syntagmatos | Turkey, Samsun | 1909-12-15 | -- | 1909 | 1 | |
| Theatro To scholeion (Xoros B’) | Theatro To scholeion (Xoros B’) | Greece, Athens | 2008-07-27 | 2008-07-31 | 2008 | 1 | |
| The Playhouse | The Playhouse | England, Sheffield, South Yorkshire, Townshead Street | 1960-02-29 | -- | 1960 | 1 | |
| Theater de Tamboer | Theater de Tamboer | Netherlands, Hoogeveen, Hoofdstraat 17 | 1989-02-06 | 1989-04-02 | 1989–2001 | 3 | |
| Théâtre les Gémeaux | Théâtre les Gémeaux | France, Sceaux, 49 Avenue Georges Clemenceau | 1998-11-05 | 2024-03-24 | 1998–2024 | 6 | |
| Tiyatro Boyali Kuş (Theatre Painted Bird) | Tiyatro Boyali Kuş (Theatre Painted Bird) | Turkey, Batman | 2010-03-03 | -- | 2010 | 1 | |
| Theater! Theatre! | Theater! Theatre! | United States of America, Portland, 3430 SE Belmont Street | 2007-08-24 | 2007-09-22 | 2007 | 1 | |
| Teater i Falköping (Jouvins Hotell) | Teater i Falköping (Jouvins Hotell) | Sweden, Falköping, Storgatan | 1881-12-12 | -- | 1881 | 1 | |
| Teatro Isabel la Católica | Teatro Isabel la Católica | Spain, Granada, Calle Acera del Casino, s/n, | 1919-06-19 | 1919-06-29 | 1919–2016 | 2 | |
| Teatro Kismet OperA | Teatro Kismet OperA | Italy, Bari, Str. S. Giorgio Martire, 22/F | 2008-03-29 | 2008-03-30 | 2008 | 1 | |
| Theatersaal Uni Bremen | Theatersaal Uni Bremen | Germany, Bremen | 2012-12-01 | -- | 2012 | 1 | |
| Teatrul Municipal Bacovia | Teatrul Municipal Bacovia | Romania, Bacău, Strada Iernii 7 | 1976-12-29 | 2015-05-10 | 1976–2016 | 6 | |
| Teatro Manzoni | Teatro Manzoni | Italy, Milan, Via Alessandro Manzoni | 1891-09-26 | 2023-02-26 | 1891–2023 | 23 | |
| Theater | Theater | Germany, Marsberg | 1980-01-30 | -- | 1980 | 1 | |
| The DeLuxe Theater | The DeLuxe Theater | United States of America, Houston, 3303 Lyons Avene | 2020-02-17 | 2020-02-21 | 2020 | 1 | |
| Theatre Margot, Johnson Center for Fine Arts | Theatre Margot, Johnson Center for Fine Arts | United States of America, Franklin, 101 Branigin Blvd | 2007-05-02 | 2007-05-06 | 2007 | 1 | |
| The McCroskey Memorial Internet Playhouse | The McCroskey Memorial Internet Playhouse | United States of America | 2009-06-28 | -- | 2009 | 1 | |
| Teatr na Woli | Teatr na Woli | Poland, Warsaw, Marcina Kasprzaka 22 | 1983-05-10 | -- | 1983–1997 | 2 | |
| Teatro Nacional Almeida Garrett | Teatro Nacional Almeida Garrett | Portugal, Lisbon, Praça D. Pedro IV | 1928-03-20 | -- | 1928 | 1 | |
| Theater Euskirchen | Theater Euskirchen | Germany, Euskirchen, Hochstraße 25 | 2004-02-29 | -- | 2004 | 1 | |
| Teatr Miejski | Teatr Miejski | Poland, Toruń, Plac Teatralny 1, | 1922-10-10 | -- | 1922–1923 | 2 | |
| Trondhjems Nationale Scene | Trondhjems Nationale Scene | Norway, Trondheim, Prinsens Gate 20 | 1911-09-16 | -- | 1911–1924 | 11 | |
| Tara Theatre | Tara Theatre | England, London, 356 Garratt Lane | 2018-05-03 | 2018-05-04 | 2018 | 1 | |
| Theater de Muzeval | Theater de Muzeval | Netherlands, Emmen, Boermarkeweg 43 | 2000-04-18 | -- | 2000–2001 | 2 | |
| Theatro Achilleion | Theatro Achilleion (Achilleion Theatre) | Greece, Volos | 1940-03-19 | -- | 1940 | 1 | |
| Teatret i Stubbekøbing | Teatret i Stubbekøbing | Denmark, Stubbekøbing | 1907-10-14 | -- | 1907 | 1 | |
| Teatre del Mar | Teatre del Mar | Spain, Palma, Carrer de Llucmajor, 90 | 2005-04-08 | 2005-04-17 | 2005 | 1 | |
| Theatret i Fredrikshald | Theatret i Fredrikshald | Norway, Halden | 1878-10-24 | 1880-03-07 | 1878–1904 | 6 | |
| Theater Geert Teis | Theater Geert Teis | Netherlands, 9501 VL, Geert Teisplein 2, | 2000-04-25 | -- | 2000 | 1 | |
| The Leicester Phoenix Theatre | The Leicester Phoenix Theatre | England, Leicester | 1969-03-18 | -- | 1969 | 1 | |
| Theatersaal des Etablissements Tivoli | Theatersaal des Etablissements Tivoli | Germany, Weimar | 1903-11-25 | -- | 1903 | 2 | |
| Théâtre de l’Opsis, Le | Le Théâtre de l’Opsis | Canada, Montréal, 1600 DE LORIMIER AVE | 2017-01-30 | 2017-02-19 | 2017 | 1 | |
| Teatro Studio Melato | Teatro Studio Melato | Italy, Milan, Via Rivoli 6, 20121 | 2022-12-01 | 2022-12-22 | 2022 | 1 | |
| Theatro Orfefs | Theatro Orfefs | Greece, Athens | 1956-01-28 | 1956-01-29 | 1956 | 1 | |
| Teatro do IBEU | Teatro do IBEU | Brazil, Fortaleza, R. Nogueira Acioly, 891 | 1994-05-10 | -- | 1994 | 1 | |
| Teatro Fenice | Teatro Fenice | Italy, Trieste | 1895-04-27 | -- | 1895 | 1 | |
| Teater Borgen | Teater Borgen | Sweden, Osby, Klockaregatan 4 | 2000-11-14 | -- | 2000 | 1 | |
| Theater am Bülowplatz | Theater am Bülowplatz | Germany, Berlin, Rosa-Luxemburg-Platz, Linienstraße 227 | 1917-12-12 | 1918-01-14 | 1917 | 1 | |
| Teatar 199 | Teatar 199 | Bulgaria, Sofia, ul. "Slavyanska" 8 | 1977-10-11 | -- | 1977–1997 | 2 | |
| Teatro San Babila | Teatro San Babila | Italy, Milan, Corso Venezia, 2/A | 2012-01-10 | 2012-01-29 | 2012 | 1 | |
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