| Ţifeşti | Ţifeşti | Romania, Ţifeşti | -- | -- | | | |
| Teatro Tasso | Teatro Tasso | Italy, Sorrento | 1982-01-12 | 1982-01-13 | 1982 | 1 | |
| Triad Stage | Triad Stage | United States of America, Greensboro, 232 S Elm St | 2004-04-25 | 2004-05-16 | 2004 | 1 | |
| Tønder Kulturhus | Tønder Kulturhus | Denmark, Tønder, Ribelandevej 39 | 2002-03-20 | -- | 2002–2018 | 5 | |
| Teatrul National Bucuresti | Teatrul National Bucuresti | Romania, Bucharest, Bulevardul Nicolae Bălcescu, 2 | 1895-12-09 | 2024-01-28 | 1895–2024 | 47 | |
| Teatr Polski Victoria | Teatr Polski Victoria | Poland, Łódź | 1882-10-29 | 1918-12-23 | 1882–1918 | 17 | |
| Thalia Theater - Alstertor | Thalia Theater - Alstertor | Germany, Hamburg, Alstertor 1 | 2021-11-09 | 2022-02-11 | 2021 | 1 | |
| Teatro Carlos Alberto | Teatro Carlos Alberto | Portugal, Porto, Rua Oliveiras 43 | 2008-05-09 | 2021-06-06 | 2008–2021 | 2 | |
| The Little Theatre, DePauw University | The Little Theatre, DePauw University | United States of America, Greencastle | 1963-03-28 | -- | 1963 | 1 | |
| Theatro Kosta Preka | Theatro Kosta Preka (Kostas Prekas Theatre) | Greece, Athens | 1984-10-10 | 1984-11-04 | 1984 | 1 | |
| Thália Színház | Thália Színház | Slovak Republic, Košice, Mojmírova 1. | 1982-12-16 | -- | 1982 | 1 | |
| Teatro Colosseo | Teatro Colosseo | Italy, Torino, Via Madama Cristina | 1993-04-13 | 1993-04-22 | 1993 | 1 | |
| Teatro Nuovo | Teatro Nuovo | Italy, Milan, Piazza San Babila | 1941-01-15 | 1993-03-31 | 1941–1993 | 2 | |
| Teatro Palacio Valdés | Teatro Palacio Valdés | Spain, Avilés, Calle Palacio Valdés, 3 | 2009-11-13 | -- | 2009 | 2 | |
| Tonhallen | Tonhallen | Sweden, Sundsvall, Universitetsallén 24 | 2006-11-12 | -- | 2006 | 1 | |
| The Boiler | The Boiler | United States of America | 2023-08-05 | 2023-08-05 | 2023 | 1 | |
| Toneelklas Sint-Barbaracollege | Toneelklas Sint-Barbaracollege | Belgium, Ghent, Savaanstraat 33 | 2011-02-11 | 2011-02-19 | 2011 | 1 | |
| The Plough Theatre | The Plough Theatre | England, Devon, 9-11 Fore St, Great Torrington | 1985-01-15 | -- | 1985 | 1 | |
| Teatro A Hebraica | Teatro A Hebraica | Brazil, São Paulo | 1983-03- | -- | 1983 | 1 | |
| Teatro Odeon | Teatro Odeon | Italy, Milan, Via Santa Radegonda, 8 | 1934-05-07 | 1934-05-31 | 1934–1959 | 2 | |
| Tingvoll Gymnas | Tingvoll Gymnas | Norway, Tingvold | 1969-09-16 | -- | 1969–1990 | 4 | |
| 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 | |
| Teatro Auditorio Ciudad de Alcobendas | Teatro Auditorio Ciudad de Alcobendas | Spain, Alcobendas, Calle de Blas de Otero 4 | 2007-05-05 | 2007-05-06 | 2007 | 1 | |
| Teatro Lienzo Norte | Teatro Lienzo Norte | Spain, Ávila, Av. de Madrid, 102 | 2016-04-30 | 2016-04-30 | 2016 | 1 | |
| Théâtre de la Place des Martyrs (Grande Salle) | Théâtre de la Place des Martyrs (Grande Salle) | Belgium, Bruxelles, Place des Martyrs 22 | 2008-11-06 | 2008-12-06 | 2008 | 1 | |
| Trinity Square Repertory Company | Trinity Square Repertory Company | United States of America, Providence, 201 Washington Street | 1968-03-21 | 1984-01-01 | 1968–1983 | 3 | |
| Théâtre Tristan Bernard (Théâtre Albert-Ier) | Théâtre Tristan Bernard (Théâtre Albert-Ier) | France, Paris, 64 Rue du Rocher | 1931-10-23 | -- | 1931 | 1 | |
| Toselli, Teatro | Teatro Toselli | Italy, Cuneo, Via Teatro Giovanni Toselli, 9 | 2018-03-17 | -- | 2018 | 1 | |
| The Phoenix Players | The Phoenix Players | Kenya, Nairobi, P.O. Box 52383 County Ln | 2005-04-16 | 2005-04-30 | 2005 | 1 | |
| Taï Théâtre d'Essai | Taï Théâtre d'Essai | France, Paris, 37, rue Vieille-du-Temple | 1982-09-16 | 1982-09-19 | 1982 | 1 | |
| TWU Redbud Theater | TWU Redbud Theater | United States of America, Denton, 1401 Oakland St | 2008-04-17 | 2008-04-20 | 2008 | 1 | |
| Teatro Mariani | Teatro Mariani | Italy, Ravenna, Via San Vitale 5 | 1894-10-08 | -- | 1894 | 1 | |
| Teatro Julio Jiménez Rueda | Teatro Julio Jiménez Rueda | Mexico, Mexico by, D.F., Ubicación: Plaza de la República 154 | 1981-10-09 | -- | 1981 | 1 | |
| Teatre Romea | Teatre Romea | Spain, Barcelona, Carrer de l'Hospital, 51 | 1909-10-17 | 2003-11-30 | 1909–2008 | 7 | |
| Teatro Juan del Enzina | Teatro Juan del Enzina | Spain, Salamanca,, Calle Tostado, 8 | 2017-03-30 | -- | 2017 | 1 | |
| Theatro Settas "Nikos Papakonstantinou" | Theatro Settas "Nikos Papakonstantinou" | Greece, Setta, Evia, Ano Setta | 2006-08-05 | 2006-08-05 | 2006 | 1 | |
| Teater 1, Riksteatern | Teater 1, Riksteatern | Sweden, Hallunda, Hallunda | 1952-- | 2008-11-16 | 1952–2008 | 5 | |
| Teatre Gaudí de Barcelona (TGB) | Teatre Gaudí de Barcelona (TGB) | Spain, Barcelona, Carrer de Sant Antoni Maria Claret, 120 | 2022-05-05 | 2022-05-22 | 2022 | 1 | |
| Teatro O Tablado | Teatro O Tablado | Brazil, Lagoa, Av. Lineu de Paula Machado, 795 | 2010-01-17 | 2010-08-08 | 2010 | 1 | |
| Theatro Akropolis | Theatro Akropolis | Greece, Thessaloniki | 1929-09-13 | -- | 1929 | 1 | |
| Teatro-Estúdio Mário Viegas | Teatro-Estúdio Mário Viegas | Portugal, Lisbon, Largo do Picadeiro | 1998-09-10 | 2005-03-31 | 1998–2004 | 2 | |
| The New Theatre | The New Theatre | United States of America, Sioux Falls | 1905-01-09 | 1905-01-09 | 1905 | 1 | |
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