| The New Theatre | The New Theatre | United States of America, New Haven | 2002-02-11 | 2008-02-09 | 2002–2008 | 2 | |
| The New Theatre | The New Theatre | United States of America, Sioux Falls | 1905-01-09 | 1905-01-09 | 1905 | 1 | |
| Theatro Dionysia | Theatro Dionysia (Theater Dionysia) | Greece, Athens | 1926-01-05 | 1984-04-16 | 1926–1983 | 2 | |
| Teatro Avenida | Teatro Avenida | Portugal, Lisbon, Avenida da Liberdade | 1961-05-26 | -- | 1961 | 1 | |
| Teatro Astra | Teatro Astra | Italy, Torino, Via Rosolino Pilo, 6 | 2010-04-19 | 2025-03-30 | 2010–2025 | 3 | |
| Theatre at Saint Peter's Church, The | The Theatre at Saint Peter's Church | United States of America, New York, 619 Lexington Ave at 54th St | 1994-12-13 | 1995-01-22 | 1994 | 1 | |
| Teatro Municipal Buero Vallejo | Teatro Municipal Buero Vallejo | Spain, Alcorcón | 2025-03-15 | -- | 2025 | 1 | |
| The Duquesne | The Duquesne | United States of America, Pittsburgh | 1895-10- | 1908-02-10 | 1895–1908 | 4 | |
| Teatro Avila | Teatro Avila | Italy, Roma, Corso d'Italia, 37 | 1982-03-11 | -- | 1982 | 1 | |
| Theater am Domhof | Theater am Domhof | Germany, Osnabrück, Domhof 10-11 | 1926-11-21 | -- | 1926–2014 | 4 | |
| Theatre Outback | Theatre Outback | United States of America, Mesa, 1833 W Southern Ave | 2006-09-28 | 2006-10-08 | 2006 | 1 | |
| Teatro Circo de Albacete | Teatro Circo de Albacete | Spain, Albacete, Calle de Isaac Peral, s/n | 1925-04-18 | -- | 1925 | 1 | |
| Théâtre National de l'Odéon | Théâtre National de l'Odéon | France, Paris | 1937-12-04 | 1982-03-14 | 1937–1982 | 2 | |
| Teatro Comunale Garibaldi | Teatro Comunale Garibaldi | Italy, Santa Maria C. V., Corso Giuseppe Garibaldi, 78 | 2006-02-25 | 2006-02-26 | 2006 | 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 | |
| Theatro Monternoi Kairoi | Theatro Monternoi Kairoi (Modern Times Theatre) | Greece, Athens | 1980-12-25 | 1981-03-22 | 1980 | 1 | |
| Tinntjønn skole | Tinntjønn skole | Norway, Søgne, Søgne | 2006-10-27 | -- | 2006 | 1 | |
| Teatro Nuovo | Teatro Nuovo | Italy, Torino, Corso Massimo d'Azeglio, 17 | 2002-04-09 | 2002-04-21 | 2002 | 1 | |
| The Lyric | The Lyric | United States of America, Vicksburg | 1908-10-10 | 1908-10-10 | 1908 | 1 | |
| Trinity Repertory Company | Trinity Repertory Company | United States of America, Providence, 201 Washington St. | 1975-01-07 | 1998-03-01 | 1975–1998 | 2 | |
| Trondhjems Katedralskole | Trondhjems Katedralskole | Norway, Trondheim | 1973-10-17 | -- | 1973 | 1 | |
| Théâtre de l'Arc-en-Ciel | Théâtre de l'Arc-en-Ciel | France, Rungis, 1 Place du Général de Gaulle | 1999-01-29 | -- | 1999 | 1 | |
| Theater in der Kaiserallee | Theater in der Kaiserallee | Germany, Berlin, Kaiserallee | 1948-03-25 | -- | 1948 | 1 | |
| Tisch School of the Arts | Tisch School of the Arts | United States of America, New York, 721 Broadway, 3rd Floor | 2005-09-27 | 2005-10-02 | 2005 | 1 | |
| The Germania Theatre | The Germania Theatre | United States of America, St. Louis | 1891-- | 1891-- | 1891 | 1 | |
| Theatro Malliaropouleion | Theatro Malliaropouleion (Malliaropoulio Theater) | Greece, Tripoli | 1912-03-28 | -- | 1912 | 1 | |
| Theatro Alekton | Theatro Alekton (Alecton Theatre) | Greece | 2010-12-17 | 2011-04-17 | 2010 | 1 | |
| Teatro Ambra | Teatro Ambra | Italy, Alessandria, Viale Brigata Ravenna, 8, 15121 | 2018-05-18 | -- | 2018 | 2 | |
| Theater Die Komödianten | Theater Die Komödianten | Germany, Kiel, Wilhelminenstraße 43 | 2008-03-05 | 2008-11-22 | 2008 | 1 | |
| Teater Garasi | Teater Garasi (Teater Garasi / Garasi Performance Institute) | Indonesia, Daerah Istimewa Yogyakarta 55181, Jl. Jomegatan No.164B, RW.RT. 04, Jomegatan, Ngestiharjo, Kec. Kasihan, Kabupaten Bantul | 2020-10-31 | 2020-11-30 | 2020 | 1 | |
| Tokyo Metropolitan Art Space | Tokyo Metropolitan Art Space | Japan, Tokyo, 1-8-1 Nishi-Ikebukuro, Toshima-ku, | -- | -- | | | |
| Teatr Collegium Nobilium | Teatr Collegium Nobilium | Poland, Warsaw | 2007-05-19 | 2007-06-03 | 2007 | 1 | |
| Teatro Nacional Cervantes | Teatro Nacional Cervantes | Argentina, Buenos Aires, Libertad 815 | 2006-10- | 2022-04-03 | 2006–2022 | 2 | |
| Teaterhögskolan i Malmö | Teaterhögskolan i Malmö | Sweden, Malmö, Bergsgatan | 2023-03-09 | 2023-03-18 | 2023 | 1 | |
| Theater de Garage | Theater de Garage | Netherlands, Venlo, Saxenkampstraat 2 | 2004-10-16 | -- | 2004 | 1 | |
| Theatret i Kristiansund | Theatret i Kristiansund | Norway, Kristiansund | 1880-04-07 | -- | 1880–1906 | 8 | |
| Teatro Rossini | Teatro Rossini | Switzerland, Lugano | 1893-01-24 | -- | 1893 | 1 | |
| Teatro Studio Melato | Teatro Studio Melato | Italy, Milan, Via Rivoli 6, 20121 | 2022-12-01 | 2022-12-22 | 2022 | 1 | |
| Teatro La Capilla | Teatro La Capilla | Mexico, Ciudad de México,, Calle Madrid 13 (Del Carmen, Coyoacán) | 2019-08-27 | 2023-04-25 | 2019–2023 | 2 | |
| Theater for the New City | Theater for the New City | United States of America, New York, 155 1st Ave | 1998-02-17 | 2022-10-08 | 1998–2022 | 6 | |
| Teatro Duse | Teatro Duse | Italy, Bologna, Via Cartoleria, 42 | 1973-02-07 | 2020-01-19 | 1973–2020 | 14 | |
| Town Hall | Town Hall | Ireland, Westport | 1980-03-08 | 1980-03-09 | 1980 | 1 | |
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