| Thüringer Landestheater Rudolstadt | Thüringer Landestheater Rudolstadt | Germany, Rudolstadt, Anger 1 | 1937-10-26 | 2006-10-13 | 1937–2006 | 5 | |
| Teatro Cuyás | Teatro Cuyás | Spain, Las Palmas de Gran Canaria, Calle Viera y Clavijo, s/n | 2005-10-04 | 2011-01-30 | 2005–2011 | 4 | |
| Teatro Comunale | Teatro Comunale | Italy, Alessandria, Via Savona | 1993-03-02 | 1993-03-03 | 1993–2000 | 2 | |
| The Andrews Theatre | The Andrews Theatre | United States, Buffalo, 625 Main St | 2009-03-06 | 2009-04-05 | 2009 | 1 | |
| Teatro Gobetti | Teatro Gobetti | Italy, Torino, Via Gioacchino Rossini, 8 | 1975-02-07 | -- | 1975 | 1 | |
| Totleben | Totleben | Bulgaria, Totleben | -- | -- | | | |
| Teatro Sociale | Teatro Sociale | Italy, Mantova, Piazza Felice Cavallotti | 1908-07-01 | 2001-11-14 | 1908–2001 | 2 | |
| Teater i Rådhussalongen | Teater i Rådhussalongen | Finland, Gamlakarleby (Kokkola) | 1886-02-19 | -- | 1886 | 1 | |
| Teatro Apolo | Teatro Apolo | Brazil, Recife, R. do Apolo 121 | 2005-05-12 | -- | 2005 | 1 | |
| Teatro Principal | Teatro Principal | Spain, Zaragoza, Plaza de José Sinués y Urbiola, 2 | 1902-10-04 | -- | 1902 | 1 | |
| Theater & Congres Orpheus | Theater & Congres Orpheus | Netherlands, Apeldoorn, Churchillplein 1 | 2008-03-31 | 2008-04-01 | 2008–2017 | 2 | |
| Théâtre de la Porte Saint-Martin | Théâtre de la Porte Saint-Martin | France, Paris, 18 Boulevard Saint-Martin | 1924-12-24 | 1935-- | 1924–1935 | 3 | |
| Teatr Kononowa | Teatr Kononowa | Russia, St Petersburg | 1883-01-25 | 1897-05-09 | 1883–1897 | 2 | |
| Theatret i Trondheim | Theatret i Trondheim | Norway, Trondheim, Prinsens Gate 20 | 1856-04-02 | 1927-11-10 | 1856–1928 | 48 | |
| Théâtre de l’Odéon | Théâtre de l’Odéon | France, Paris, 2 Rue Corneille | 1907-09-27 | 2009-04-11 | 1907–2009 | 3 | |
| 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 | |
| Tokke kulturhus | Tokke kulturhus | Norway, Dalen, Storvegen 211 | 2008-10-19 | 2008-10-20 | 2008–2018 | 8 | |
| Tbilisi | Tbilisi | Georgia, Tbilisi | 1906-02-20 | 1906-- | 1906 | 2 | |
| Tingvoll Gymnas | Tingvoll Gymnas | Norway, Tingvold | 1969-09-16 | -- | 1969–1990 | 4 | |
| Theatro Settas "Nikos Papakonstantinou" | Theatro Settas "Nikos Papakonstantinou" | Greece, Setta, Evia, Ano Setta | 2006-08-05 | 2006-08-05 | 2006 | 1 | |
| Théâtre du Gymnase | Théâtre du Gymnase | France, Marseille, 4 Rue Théâtre Français | 1931-03-03 | -- | 1931 | 1 | |
| Teatro Comunale | Teatro Comunale | Italy, Trieste | 1891-10-21 | -- | 1891–1893 | 2 | |
| Teatro Lirico | Teatro Lirico | Italy, Milan, Via Larga, 14 | 1905-12-11 | 1928-11-16 | 1905–1977 | 5 | |
| Teatr Polski im. Arnolda Szyfmana | Teatr Polski im. Arnolda Szyfmana | Poland, Warszawa, ul. Kazimierza Karasia 2 | 2017-10-06 | -- | 2017 | 1 | |
| Theater Casino Zug | Theater Casino Zug | Switzerland, Zug, Artherstrasse 2-4 | 2005-11-16 | -- | 2005–2019 | 2 | |
| TU-Nantes | TU-Nantes | France, Nantes, Chemin de la Censive du Tertre | 2012-02-28 | 2018-02-23 | 2012–2018 | 2 | |
| The Academy | The Academy | United States, Reading | 1905-09-02 | 1905-09-02 | 1905 | 1 | |
| Trinity Repertory Company | Trinity Repertory Company | United States, Providence, 201 Washington St. | 1975-01-07 | 1998-03-01 | 1975–1998 | 2 | |
| Todd Wehr Theater, Performing Arts Center | Todd Wehr Theater, Performing Arts Center | United States, Milwaukee, 325 West Walnut Street | 1971-04-23 | 1987-04-05 | 1971–1987 | 2 | |
| Telemark Teater | Telemark Teater | Norway, Skien, Hollenderigata | 1978-02-07 | -- | 1978–1987 | 3 | |
| 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 | |
| Teatern i Lund | Teatern i Lund | Sweden, Lund | 1876-03-24 | 1897-02-18 | 1876–1897 | 5 | |
| Tron Theatre | Tron Theatre | Scotland, Glasgow, 63 Trongate | 2004-06-17 | 2015-10-24 | 2004–2015 | 2 | |
| Trikkehallen på Kjelsås | Trikkehallen på Kjelsås | Norway, Oslo, Midtoddveien 12 | 2010-06-18 | -- | 2010 | 1 | |
| Teatro Josep Carreras | Teatro Josep Carreras | Spain, Fuenlabrada, Calle de Oviedo, s/n, | 2017-03-10 | -- | 2017 | 1 | |
| Theatre Royal | Theatre Royal | England, Bath, Sawclose | 1909-05-03 | 2021-05-22 | 1909–2021 | 6 | |
| Trondheim | Trondheim | Norway, Trondheim | 1972-11-09 | -- | 1972–2015 | 2 | |
| Théâtre d'Esch sur Alzette | Théâtre d'Esch sur Alzette | Luxembourg, Luxembourg, 120 r. de l'Alzette | 2002-03-18 | -- | 2002 | 1 | |
| Teatro Rossini | Teatro Rossini | Switzerland, Lugano | 1893-01-24 | -- | 1893 | 1 | |
| Teatrul "Tony Bulandra" | Teatrul "Tony Bulandra" | Romania, Târgovişte, Bulevardul Regele Carol I nr. 43 Târgoviște | 2016-01-13 | -- | 2016 | 3 | |
| Teatro della Regina | Teatro della Regina | Italy, Cattolica, Piazzale della Repubblica 1 | 2001-03-06 | 2001-03-06 | 2001 | 1 | |
|
|
