| Trinity Square Repertory Company | Trinity Square Repertory Company | United States, Providence, 201 Washington Street | 1968-03-21 | 1984-01-01 | 1968–1983 | 3 | |
| Trenton | Trenton | United States | 1903-03-24 | 1903-03-24 | 1903 | 1 | |
| Theater auf dem Hornwerk | Theater auf dem Hornwerk | Germany, Nienburg (Weser), Mühlentorsweg 2 | 2005-10-06 | 2010-11-25 | 2005–2015 | 3 | |
| Teatro El Sauzal, | Teatro El Sauzal, | Spain, Santa Cruz de Tenerife, Canarias, C/ Constitución núm. 3, | 2019-04-26 | -- | 2019 | 1 | |
| Teatro Franco Parenti | Teatro Franco Parenti | Italy, Milan, Via Pier Lombardo, 14 | 2016-01-28 | 2018-05-20 | 2016–2018 | 3 | |
| Teatro Mariani | Teatro Mariani | Italy, Ravenna, Via San Vitale 5 | 1894-10-08 | -- | 1894 | 1 | |
| Town Hall | Town Hall | Ireland, Cavan | 1980-03-05 | 1980-03-06 | 1980 | 1 | |
| Teatro Galileo | Teatro Galileo | Spain, Madrid, Calle de Galileo, 39 | 2004-05-05 | -- | 2004 | 1 | |
| Teatr dramy Orel | Teatr dramy Orel | Russia, Orel, Orel | 1944-02- | -- | 1944 | 1 | |
| Theatre 1010 | Theatre 1010 | Japan, Tokyo | 2007-11-01 | 2007-11-30 | 2007 | 1 | |
| Teatersalen | Teatersalen | Norway, Båtsfjord, Båtsfjord | -- | -- | | | |
| Teatr Miejski | Teatr Miejski | Poland, Grudziądz | 1927-07-24 | -- | 1927 | 1 | |
| Teatro Auditorium Santa Chiara | Teatro Auditorium Santa Chiara | Italy, Trento, Via Santa Croce 67 | 2001-02-27 | 2011-11-20 | 2001–2011 | 2 | |
| Turteatern | Turteatern | Sweden, Johanneshov, Lågskärsvägen 13 | 2018-11-29 | 2018-12-31 | 2018 | 1 | |
| Theatre in the Round Players | Theatre in the Round Players | United States, Minneapolis, 245 Cedar Ave | 2006-01-06 | 2006-01-29 | 2006 | 1 | |
| Teatro da Comuna | Teatro da Comuna | Portugal, Lisbon, Praça de Espanha S/N | 2013-10-30 | 2013-12-22 | 2013 | 1 | |
| Teatro Comunale G. B. Pergolesi | Teatro Comunale G. B. Pergolesi | Italy, Jesi AN, Piazza della Repubblica, 9 | 1999-02-18 | 2005-02-02 | 1999–2005 | 2 | |
| Tjarnarbær | Tjarnarbær | Iceland, Reykjavík | 1993-01-29 | -- | 1993 | 1 | |
| Taproot Theatre | Taproot Theatre | United States, Seattle, 204 N 85th St | 2005-02-02 | 2005-03-05 | 2005 | 1 | |
| Teatro Sociale di Soresina | Teatro Sociale di Soresina | Italy, Soresina CR, Via Giuseppe Verdi, 23 | 2000-01-31 | -- | 2000 | 1 | |
| Théâtre de l’Opprimé | Théâtre de l’Opprimé | France, Paris, 78 Rue du Charolais | 2012-12-19 | 2014-02-16 | 2012–2014 | 2 | |
| Theatro Katerinas Vasilakou | Theatro Katerinas Vasilakou | Greece, Athens, Profitou Daniil 3 | 2003-09-08 | 2003-09-20 | 2003 | 1 | |
| Teatr imeni Mossoveta | Teatr imeni Mossoveta | Russia, Moscow, Садовая Б. ул., 16 | 1959-04-26 | -- | 1959–1983 | 2 | |
| Teatro Il Ridotto | Teatro Il Ridotto | Italy, Salerno, V. Fabrizio Pinto | 2006-05-12 | 2006-05-19 | 2006 | 1 | |
| Tulcea | Tulcea | Romania, Tulcea | -- | -- | | | |
| Teatro Tascabile di Bergamo | Teatro Tascabile di Bergamo | Italy, Bergamo, Via San Lorenzo 12/A | 1996-06-09 | -- | 1996 | 1 | |
| Theatertage Aarau | Theatertage Aarau | Switzerland, Aarau, Metzgergasse 18 | 2002-06-15 | -- | 2002 | 1 | |
| Teatr Miejski | Teatr Miejski | Poland, Krakow, Plac Świętego Ducha 1 | 1894-04-27 | 1912-05-06 | 1894–1912 | 26 | |
| Tivoli Theater | Tivoli Theater | Norway, Kristiania (Oslo) | 1891-09-17 | 1897-01-16 | 1891–1901 | 4 | |
| Theater im Bauturm | Theater im Bauturm | Germany, Köln (Cologne), Aachener Straße 24-26 | 1999-08-21 | 2007-12-06 | 1999–2007 | 5 | |
| Theatro Alampra | Theatro Alampra | Egypt, Alexandria | 1910-10-12 | 1939-12-12 | 1910–1945 | 4 | |
| Théâtre Pitoëff | Théâtre Pitoëff | Switzerland, 1205 Genève, Rue de Carouge 52 | 1920-02-05 | -- | 1920 | 1 | |
| Teatr Powszechny | Teatr Powszechny | Poland, Łódź, Legionów 21 | 1960-05-07 | 2016-04-23 | 1960–2016 | 3 | |
| Tripoli | Tripoli | Libya, Tripoli | 2013-09-04 | 2013-09-09 | 2013 | 1 | |
| Theatre Royal | Theatre Royal Plymouth | England, Plymouth, Royal Parade | 1993-05-11 | 2017-10-07 | 1993–2017 | 3 | |
| Teatro Principal | Teatro Principal de Requena | Spain, Requena, c/ Las Cruces 5 | 2005-02-26 | 2005-10-22 | 2005 | 2 | |
| Teatro Municipal Pedro Munoz Seca | Teatro Municipal Pedro Munoz Seca | Spain, El Puerto de Santa María, Calle de la Nevería, 48 | 2010-02-26 | -- | 2010 | 1 | |
| Théâtre de Lyon | Théâtre de Lyon | France, Lyon, 4 Rue Charles Dullin | 2005-11-17 | 2005-11-19 | 2005 | 1 | |
| Théâtre Marigny | Théâtre Marigny | France, Paris, Carré Marigny | 1909-02-27 | 2003-11-09 | 1909–2003 | 3 | |
| Teatro I do Centro Cultural Banco do Brasil | Teatro I do Centro Cultural Banco do Brasil | Brazil, Rio de Janeiro, Rua Primeiro de Março, 66 | 2002-04-18 | 2002-06-30 | 2002 | 1 | |
| Théâtre du Château de la ville d'Eu | Théâtre du Château de la ville d'Eu | France, Eu, Place Isabelle d'Orléans | 2018-10-16 | -- | 2018 | 1 | |
| Teatre Principal de Palma | Teatre Principal de Palma | Spain, Palma de Mallorca, Carrer de la Riera 2 A | 2008-11-08 | 2008-11-09 | 2008 | 1 | |
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