| The LAMDA Linbury Studio | The LAMDA Linbury Studio | England, London, 155 Talgarth Road | 2009-08-07 | 2009-08-09 | 2009 | 1 | |
| Theater am Aegi | Theater am Aegi | Germany, Hannover, Aegidientorplatz 2 | 1975-10-17 | -- | 1975–1982 | 2 | |
| Tivolischouwburg | Tivolischouwburg | Netherlands, Rotterdam | 1891-02-26 | -- | 1891–1893 | 5 | |
| Teatro Taib | Teatro Taib | Brazil, São Paulo | 1988-03- | -- | 1988 | 1 | |
| Theatre Royal | Theatre Royal Plymouth | England, Plymouth, Royal Parade | 1993-05-11 | 2017-10-07 | 1993–2017 | 3 | |
| Theatersaal des Krystall-Palast | Theatersaal des Krystall-Palast | Germany, Leipzig | 1894-03-15 | 1898-03-04 | 1894–1898 | 3 | |
| Théâtre du Moulin Neuf | Théâtre du Moulin Neuf | Switzerland, Aigle, Avenue du Chamossaire 12 | 2002-02- | -- | 2002 | 1 | |
| Thatcher Opera House | Thatcher Opera House | United States of America, Logan | 1905-10-11 | 1905-10-11 | 1905 | 1 | |
| Theater der Freien Volksbühne | Theater der Freien Volksbühne | Germany, Berlin, Ruhrstraße 6 | 1991-03-09 | -- | 1991 | 1 | |
| Trondhjems Katedralskole | Trondhjems Katedralskole | Norway, Trondheim | 1973-10-17 | -- | 1973 | 1 | |
| Teatro Olmetto | Teatro Olmetto | Italy, Milan | 1990-03-05 | -- | 1990 | 1 | |
| Teatro Sannazzaro | Teatro Sannazzaro | Italy, Naples, Via Chiaia, 157 | 1893-02-28 | 1895-04-03 | 1893–1899 | 7 | |
| Teatro Spazio Libero | Teatro Spazio Libero | Italy, Napoli, Via del Parco Margherita, 28, 80121 Napoli NA, Italy | 2013-01-25 | 2013-01-27 | 2013 | 1 | |
| Teatro do Estudante da Paraíba | Teatro do Estudante da Paraíba | Brazil, Santos | 1959-08-05 | -- | 1959 | 1 | |
| Teatro Moderno | Teatro Moderno | Italy, Savignano Sul Rubicone FC, Corso Perticari 5 | 2008-01-26 | -- | 2008 | 1 | |
| Theatre Royal | Theatre Royal | Ireland, Dublin | 1903-06-18 | -- | 1903–1917 | 2 | |
| Theatro Magiko Palati | Theatro Magiko Palati | Cyprus, Nikosia | 1946-12-13 | -- | 1946–1947 | 2 | |
| Teatrul "Muncă şi lumină" | Teatrul "Muncă şi lumină" | Romania, Bucharest | 1943-03-21 | 1943-04-08 | 1943 | 1 | |
| Theatro Ilisia | Theatro Ilisia (Ilisia Theater) | Greece, Athens, Papadiamantopoulou 4 | 2001-05-03 | 2020-03-08 | 2001–2019 | 2 | |
| Theatre Saint-Michel | Theatre Saint-Michel | Belgium, Brussels, Rue Père Eudore Devroye 2 | 2011-02-01 | -- | 2011 | 1 | |
| Theater Freiburg | Theater Freiburg | Germany, Freiburg, Bertoldstr. 46 | 1966-05-16 | 2008-07-11 | 1966–2015 | 6 | |
| Teatry Dramatyczne | Teatry Dramatyczne | Poland, Szczecin | 1955-06-01 | -- | 1955–1968 | 2 | |
| Teatro Comunale Walter Chiari | Teatro Comunale Walter Chiari | Italy, Cervia, v. XX Settembre 125, 48015 | 2012-01-14 | 2012-01-15 | 2012 | 4 | |
| Turnhallen | Turnhallen | Norway, Mandal | 1952-01-27 | -- | 1952–1960 | 3 | |
| Theater Center Forum | Theater Center Forum | Austria, Vienna, Porzellangasse 50 | 2006-04-21 | -- | 2006 | 1 | |
| Trondheim Forfattersentrum | Trondheim Forfattersentrum | Norway, Trondheim, Kjøpmannsgata 40 | 2007-01-15 | 2007-01-24 | 2007 | 1 | |
| Théâtre du Vieux-Colombier | Théâtre du Vieux-Colombier | France, Paris, 21 Rue du Vieux Colombier | 1934-05-05 | 2023-03-12 | 1934–2023 | 2 | |
| Turner Theatre | Turner Theatre | United States of America, New Ulm | 1904-10-16 | 1904-10-16 | 1904 | 1 | |
| Theater am Gärtnerplatz | Theater am Gärtnerplatz | Germany, Munich, Gärtnerplatz | 1899-03-20 | 1899-03-29 | 1899–1900 | 2 | |
| 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 | |
| The Civic | The Civic | England, Barnsley, Hanson St | 2011-06-15 | -- | 2011 | 1 | |
| Theater Lüneburg | Theater Lüneburg | Germany, Lüneburg, An den Reeperbahnen 3 | 2001-09-28 | 2008-03-20 | 2001–2008 | 3 | |
| Teatro Epicarmo | Teatro Epicarmo | Italy, Syracuse | 1907-08-06 | -- | 1907 | 1 | |
| Teatro Palafolli | Teatro Palafolli | Italy, Ascoli Piceno, Via della Cardatura, 63100 | 2010-02-11 | 2010-02-12 | 2010 | 1 | |
| Théâtre Sarah Bernhardt | Théâtre Sarah Bernhardt | France, Paris, 2 Place du Châtelet | 1956-06-26 | 1958-06-15 | 1956–1958 | 2 | |
| Teatre Principal | Teatre Principal | Spain, Olot, Girona, Passeig d'en Blay, 5 | 2008-10-10 | -- | 2008 | 1 | |
| Thorndike Theatre, Leatherhead | Thorndike Theatre, Leatherhead | England, Leatherhead, Surrey | 1974-10-22 | 1974-11-09 | 1974 | 1 | |
| Teatro Litta | Teatro Litta | Italy, Milan, Corso Magenta, 24 | 2001-02-07 | 2006-04-09 | 2001–2006 | 4 | |
| Town Assembly | Town Assembly | Malawi, Nkhotakota | 2006-06-10 | -- | 2006 | 1 | |
| Teatre Cervantes | Teatre Cervantes | Spain, Palamós | 1915-12-07 | -- | 1915 | 1 | |
| Theater De Paardenkathedraal | Theater De Paardenkathedraal | Netherlands, Utrecht, Veeartsenijstraat 155 | 2004-06-01 | 2004-11-06 | 2004 | 1 | |
| Theatro Polytheama | Theatro Polytheama (Polytheama theater) | Greece, Pireus | 1898-08-16 | 1913-02-14 | 1898–1913 | 3 | |
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