| Thionville | NEST - CDN transfrontalier de Thionville-Grand Est | France, Thionville, 15 Route de Manom | 1991-11-15 | 2018-06-08 | 1991–2018 | 4 | |
| Theater Monty | Theater Monty | Belgium, Antwerpen, Montignystraat 3 | 1993-05-19 | 2014-03-22 | 1993–2014 | 4 | |
| Théâtre Dijon Bourgogne | Théâtre Dijon Bourgogne | France, Dijon, Place du théâtre | 2003-04-24 | 2017-05-24 | 2003–2017 | 4 | |
| 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 | |
| Theater im Pfalzbau | Theater im Pfalzbau | Germany, Ludwigshafen, Berliner Straße 30 | 1980-01-06 | 2004-03-17 | 1980–2012 | 4 | |
| Tingvang | Tingvang | Norway, Heggenes | 1971-02-11 | -- | 1971–1973 | 4 | |
| Teatro Municipal de Santiago | Teatro Municipal de Santiago | Chile, Santiago, Agustinas 794, Región Metropolitana | 1926-12-22 | 2017-01-22 | 1926–2017 | 4 | |
| Turku (Åbo) | Turku (Åbo) | Finland, Turku (Åbo) | 1878-10-16 | 1893-09-14 | 1878–1893 | 4 | |
| Theatro Sporting Club | Theatro Sporting Club | Turkey, Izmir | 1909-03-03 | -- | 1909–1920 | 4 | |
| Theater Augsburg | Theater Augsburg | Germany, Augsburg, Kasernstraße 4 | 2001-10-06 | 2009-06-12 | 2001–2017 | 4 | |
| Théâtre de l´Ancre | Théâtre de l´Ancre | Belgium, Charleroi, Rue de Montigny 122 | 1986-10-14 | 1996-05-25 | 1986–1996 | 4 | |
| Theater Winterthur | Theater Winterthur | Austria, Winterthur, Theaterstrasse 4 | 2000-01-21 | 2000-01-21 | 2000–2014 | 4 | |
| Tarnów | Tarnów | Poland, Tarnów | 1904-02-08 | -- | 1904–1918 | 4 | |
| Toronto | Toronto | Canada, Toronto | 1908-04- | 2020-05-17 | 1908–2020 | 4 | |
| The Reif Center | The Reif Center | United States, Grand Rapids, 720 NW Conifer Dr | 2005-04-13 | 2005-04-13 | 2005–2013 | 4 | |
| Théâtre de la Ville | Théâtre de la Ville | France, Paris, 2 Place du Châtelet | 1981-02-17 | 1994-06-21 | 1981–2014 | 4 | |
| Théâtre La Piscine | Théâtre La Piscine | France, Châtenay-Malabry, 254 Avenue de la Division Leclerc | 2002-10-16 | 2019-10-20 | 2002–2019 | 4 | |
| Teatro Garcia de Resende | Teatro Garcia de Resende | Portugal, Évora | 1987-11-19 | 2007-04-07 | 1987–2007 | 4 | |
| Theatro Neapoleos | Theatro Neapoleos | Greece, Athens | 1899-07-20 | 1904-07-26 | 1899–1904 | 4 | |
| Teatro Quirino | Teatro Quirino | Italy, Rome, Via delle Vergini | 1955-12-28 | 2003-06-01 | 1955–2003 | 4 | |
| Théâtre de Saint-Quentin-en-Yvelines | Théâtre de Saint-Quentin-en-Yvelines | France, Saint-Quentin, Place Georges Pompidou | 2005-02-15 | 2020-02-01 | 2005–2020 | 4 | |
| Teatrul Dramatic I.D.Sîrbu Petrosani | Teatrul Dramatic I.D.Sîrbu Petrosani | Romania, Petroşani, Mihai Viteazu street, nr. 2 | 1964-02-22 | 2017-01-28 | 1964–2016 | 4 | |
| Teatro della Corte | Teatro della Corte | Italy, Genova, Piazza Borgo Pila, 42 | 1999-01-28 | 2013-02-24 | 1999–2013 | 4 | |
| Theater der Stadt Plauen | Theater der Stadt Plauen | Germany, Plauen, Theaterplatz | 1962-04-21 | -- | 1962–1981 | 4 | |
| Théâtre Sorano | Théâtre Sorano | France, Toulouse, 35 Allée Jules Guesde | 2003-11-05 | 2019-04-05 | 2003–2019 | 4 | |
| Teatr Dramatyczny | Teatr Dramatyczny | Poland, Warsaw, Plac Defilad 1 | 1973-06-03 | 2007-05-18 | 1973–2007 | 4 | |
| Theater am Domhof | Theater am Domhof | Germany, Osnabrück, Domhof 10-11 | 1926-11-21 | -- | 1926–2014 | 4 | |
| Teatro Lope de Vega | Teatro Lope de Vega | Spain, Madrid, Gran Vía, 57 | 1994-02-11 | 2010-02-07 | 1994–2010 | 4 | |
| Teater Mungo Park | Teater Mungo Park | Denmark, Allerod, Fritz Hansens Vej 23 | 2002-01-10 | 2015-10-17 | 2002–2015 | 4 | |
| Théâtre de l’Archipel | Théâtre de l’Archipel | France, Perpignan, Avenue Général Leclerc | 2013-01-19 | 2020-10-15 | 2013–2020 | 4 | |
| Theater De Brakke Grond | Theater De Brakke Grond | Netherlands, Amsterdam, Nes 45 | 1973-04-13 | 2014-04-12 | 1973–2014 | 4 | |
| Trafó Kortárs Művészetek Háza | Trafó Kortárs Művészetek Háza | Hungary, Budapest, Liliom u. 41 | 2005-02-18 | 2015-05-25 | 2005–2015 | 4 | |
| Tingvoll Gymnas | Tingvoll Gymnas | Norway, Tingvold | 1969-09-16 | -- | 1969–1990 | 4 | |
| Theatre Royal | Theatre Royal | England, Exeter | 1910-11-28 | 1910-12-02 | 1910 | 4 | |
| Thália Színház | Thália Színház | Hungary, Budapest, Nagymező utca 22-24. | 2005-10-14 | 2012-10-14 | 2005–2012 | 4 | |
| Târgu Mureș | Târgu Mureș | Romania, Târgu Mureș | 1900-07-10 | -- | 1900–1938 | 4 | |
| Teatro Comunale di Ferrara | Teatro Comunale di Ferrara | Italy, Ferrara, CORSO MARTIRI DELLA LIBERTÀ 5 | 1980-10-29 | 2017-01-12 | 1980–2017 | 4 | |
| Théâtre Couvert, Châteauvallon | Théâtre Couvert, Châteauvallon | France, Ollioules, Chemin de Chateauvallon | 2011-03-18 | 2019-03-16 | 2011–2019 | 4 | |
| Tremont Theatre | Tremont Theatre | United States, Boston, 88 Tremont Street | 1894-04-18 | 1904-01-26 | 1894–1904 | 3 | |
| Teatrul Naţional "Mihai Eminescu" | Teatrul Naţional "Mihai Eminescu" | Moldova, Chişinău, Bulevardul Ștefan cel Mare și Sfânt 79 | 1931-03-10 | 2017-03-26 | 1931–2017 | 3 | |
| Theater De Purmaryn | Theater De Purmaryn | Netherlands, Purmerend, Waagplein 1 | 2001-12-13 | -- | 2001–2017 | 3 | |
| Teatro Espanol | Teatro Espanol | Spain, Madrid, Calle del Príncipe, 25 | 1988-04- | 2007-11-04 | 1988–2007 | 3 | |
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