| Tysvær | Tysvær | Norway, Tysvær | 1995-03-12 | -- | 1995 | 1 | |
| Teatro Fedele Fenaroli | Teatro Fedele Fenaroli | Italy, Lanciano, Via Frentani, 6 | 2001-01-27 | -- | 2001 | 2 | |
| Teatro Monumental | Teatro Monumental | Portugal, LIsbon, Praca do Saldanha | 1956-01-20 | -- | 1956 | 1 | |
| Teater Innlandet | Teater Innlandet | Norway, 2317 Hamar, Torggata 100 | 2024-02-08 | 2024-02-11 | 2024 | 1 | |
| Teatro José de Alencar | Teatro José de Alencar | Brazil, Fortaleza | 1983-06- | -- | 1983 | 1 | |
| Theater de Maagd | Theater de Maagd | Netherlands, Bergen op Zoom, Grote Markt 32 | 2017-04-12 | -- | 2017 | 1 | |
| Teatro Gonzaga | Teatro Gonzaga | Brazil, Pelotas | 1966-10-16 | -- | 1966 | 1 | |
| Teatro-Auditorio | Teatro-Auditorio | Spain, Pinoso, Alicante | 2010-01-22 | -- | 2010 | 1 | |
| Teatro Colon | Teatro Colon | Argentina, Buenos Aires, Cerrito 628 | 1907-09-19 | -- | 1907 | 1 | |
| Trondhjems Nationale Scene | Trondhjems Nationale Scene | Norway, Trondheim, Prinsens Gate 20 | 1911-09-16 | -- | 1911–1924 | 11 | |
| Teatro Comunale | Teatro Comunale | Italy, Vipiteno, Piazza J. W. von Goethe, 1 | 2011-10-27 | -- | 2011 | 1 | |
| Teatro Comunale | Teatro Comunale | Italy, Cesenatico Forlì-Cesena, Viale Giuseppe Mazzini, 10 | 1956-01-01 | -- | 1956 | 1 | |
| Teatro Verdi | Teatro Verdi | Italy, Padova, Via Livello, 32 | 2001-01-09 | 2022-11-13 | 2001–2022 | 2 | |
| Theater Wolfsburg | Theater Wolfsburg | Germany, Wolfsburg, Klieverhagen 50 | 1980-02-09 | 1999-01-08 | 1980–2017 | 4 | |
| Théâtre national de Bordeaux en Aquitaine | Théâtre national de Bordeaux en Aquitaine | France, Bordeaux, 3 Place Pierre Renaudel | 2005-04-16 | 2021-05-22 | 2005–2021 | 5 | |
| Theater Greifswald | Theater Greifswald | Germany, Greifswald, Anklamer Straße 106 | 1943-12-11 | 2015-06-20 | 1943–2017 | 11 | |
| Thunder River Theatre Company | Thunder River Theatre Company | United States of America, Carbondale, CO, 67 Promenade, | 2000-04-14 | 2000-04-29 | 2000 | 1 | |
| Târnăveni | Târnăveni | Romania, Târnăveni | 1911-07-07 | -- | 1911 | 1 | |
| Theatre Royal | Theatre Royal | England, Exeter | 1910-11-28 | 1910-12-02 | 1910 | 4 | |
| Theater Haus im Park der Körber-Stiftung | Theater Haus im Park der Körber-Stiftung | Germany, Hamburg, Gräpelweg 8 | 2004-04-23 | 2004-04-25 | 2004 | 1 | |
| Teatro Nuovo | Teatro Nuovo | Italy, Verona, Piazza Viviani 10 | 1894-02-13 | -- | 1894–1974 | 2 | |
| Târgu Lăpuş | Târgu Lăpuş | Romania, Târgu Lăpuş | -- | -- | | | |
| Teatro Glória | Teatro Glória | Brazil, Rio de Janeiro, Rua do Russel, 632 | 1994-04-13 | -- | 1994 | 1 | |
| Tivoli-Theater Bremen | Tivoli-Theater Bremen | Germany, Bremen, An der Weide | 1878-02-25 | 1878-03-03 | 1878 | 1 | |
| Teatro Carlos Lazo | Teatro Carlos Lazo | Mexico, Ciudad de México, D.F, Interior Facultad de Arquitectura, Escolar SN, Ciudad Universitaria, Coyoacán | 1995-11-16 | 2006-10-26 | 1995–2006 | 3 | |
| Teatre de Salt | Teatre de Salt | Spain, Salt, Carrer de Sant Jaume, 2 | 2009-10-16 | 2009-10-18 | 2009 | 2 | |
| Ţigănaşi | Ţigănaşi | Romania, Ţigănaşi | -- | -- | | | |
| Teatro do Centro Integrado de Cultura | Teatro do Centro Integrado de Cultura | Brazil, Florianópolis, Avenida Governador Irineu Bornhausen, -5600 Agronômica | 1989-04- | -- | 1989 | 1 | |
| The Surry Theatre | The Surry Theatre | United States of America, Bar Harbor, Ellsworth | 1938-08-09 | 1938-08-13 | 1938 | 1 | |
| Teatteri Takomo | Teatteri Takomo | Finland, Helsinki, Fredrikinkatu 18 | 1997-10-01 | 2001-12-14 | 1997–2001 | 2 | |
| Théâtre Montansier | Théâtre Montansier | France, Versailles, 13 Rue des Réservoirs | 2011-11-15 | -- | 2011 | 1 | |
| Turnişor | Turnişor | Romania, Sibiu | -- | -- | | | |
| Teatro Renascença | Teatro Renascença | Brazil, Porto Alegre | 1949-05-13 | 2018-11-11 | 1949–2018 | 3 | |
| Theatro Orfefs | Theatro Orfefs (Orpheus Theatre) | Greece, Larisa | 1951-03-15 | 1951-03-16 | 1951 | 1 | |
| Theatre Royal | Theatre Royal | England, Newcastle upon Tyne, Grey Street | 1997-09-25 | 2018-02-17 | 1997–2018 | 2 | |
| Théâtre de l'Oeuvre | Théâtre de l'Oeuvre | France, Paris, 55 Rue de Clichy | 1897-11-09 | 1904-03-12 | 1897–1964 | 20 | |
| Teatro Jofre | Teatro Jofre | Spain, Ferrol, Praza de Galicia, s/n, | 1928-06- | -- | 1928 | 1 | |
| Tarpon Springs Performing Arts Center | Tarpon Springs Performing Arts Center | United States of America, Tarpon Springs, 324 Pine St | 2010-01-20 | -- | 2010 | 1 | |
| Theater der Stadt Jena | Theater der Stadt Jena | Germany, Jena | 1925-03-22 | 1952-01-09 | 1925–1951 | 5 | |
| Theatre Severn | Theatre Severn | England, Shrewsbury, Frankwell Quay | 2014-02-12 | 2014-02-13 | 2014 | 1 | |
| Theatrikos Organismos "Morfes" | Theatrikos Organismos "Morfes" | Greece, Athens | -- | -- | | | |
| Teatr Dramatyczny | Teatr Dramatyczny | Poland, Gdynia, Generała Józefa Bema 26 | 1978-02-17 | -- | 1978 | 1 | |
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