| Theater an der Wien | Theater an der Wien | Austria, Vienna, Linke Wienzeile 6 | 1905-05-30 | 2017-04-04 | 1905–2017 | 15 | |
| Teatro El Sauzal | Teatro El Sauzal | Spain, Santa Cruz de Tenerife, Canarias, Calle Constitución, 3 | 2019-04-26 | -- | 2019 | 1 | |
| Theater am Sophienblatt Kiel | Theater am Sophienblatt Kiel | Germany, Kiel | 1922-11-22 | -- | 1922 | 1 | |
| Tetsudokai Auditorium | Tetsudokai Auditorium | Japan, Tokyo | 1921-11-04 | 1921-11-06 | 1921 | 1 | |
| Theater am Stadtgarten | Theater am Stadtgarten | Switzerland, Winterthur | 1980-03-06 | 1984-11-22 | 1980–2001 | 7 | |
| Teatro San Martín | Teatro San Martín | Argentina, Buenos Aires, Avenida Corrientes | 1904-06-27 | 2013-10-09 | 1904–2013 | 8 | |
| Town Hall | Town Hall | Ireland, Skibbereen | 1980-02-18 | 1980-02-19 | 1980 | 1 | |
| Theatre 54 | Theatre 54 | United States, New York, 254 W 54th St | 2003-11-07 | 2003-11-23 | 2003 | 1 | |
| Teatr RSFSR | Теatr RSFSR | Russia, Moscow, Bolshaya Sadovaya St. , 20 | 1921-08-07 | -- | 1921–1922 | 2 | |
| Théo Théatre | Le Théo Théatre | France, Paris, 20 Rue Théodore Deck | 2007-12-19 | 2008-02-07 | 2007 | 1 | |
| Tindlund ungdomsskole | Tindlund ungdomsskole | Norway, Sarpsborg, 1718 Sarpsborg | 2006-10-27 | -- | 2006 | 1 | |
| Teatro Comunale, Belluno | Teatro Comunale, Belluno | Italy, Belluno, Piazza dei Martiri, Belluno, Italia | 1976-11-12 | 2011-11-06 | 1976–2011 | 2 | |
| Teatr Nowy w Poznaniu | Teatr Nowy w Poznaniu | Poland, Poznań, ul. Dąbrowskiego 5 | 1925-12-19 | -- | 1925–1927 | 2 | |
| The Ron Barber Studio Theatre | The Ron Barber Studio Theatre, The Crescent Theatre | England, Birmingham, Brindleyplace, Sheepcote St | 2003-01-24 | 2003-02-01 | 2003 | 1 | |
| Teatrul Anton Pann | Teatrul Anton Pann | Romania, Râmnicu Vâlcea, Bulevardul Tudor Vladimirescu 23 | 2018-07-01 | 2018-10-14 | 2018 | 2 | |
| Teatr Ziemi Krakowskiej im. Solskiego | Teatr Ziemi Krakowskiej im. Solskiego | Poland, Kraków | -- | -- | | | |
| Theatro Kyvelis | Theatro Kyvelis | Greece, Athens | 1908-07-17 | 1953-03-15 | 1908–1953 | 17 | |
| Teatry Dramatyczne | Teatry Dramatyczne | Poland, Poznań | 1958-12-19 | -- | 1958 | 1 | |
| Thesbiteateret | Thesbiteateret | Norway, Tønsberg, Nordlysveien 4 c, 3113 Tønsberg | 1978-03-01 | -- | 1978 | 1 | |
| Teatru Fix | Teatru Fix | Romania, Iași, Str. Cuza Vodă nr. 10 | 2015-10-08 | -- | 2015 | 1 | |
| Teatro Auditorio Municipal Adolfo Marsillach | Teatro Auditorio Municipal Adolfo Marsillach | Spain, San Sebastián de los Reyes, Avenida Baunatal, 18 | 2006-04-22 | 2006-04-22 | 2006 | 1 | |
| Thyolo Secondary School | Thyolo Secondary School | Malawi, Thyolo | 2006-07-22 | -- | 2006 | 1 | |
| Teatret i Vejen | Teatret i Vejen | Denmark, Vejen | 1907-12-09 | -- | 1907 | 1 | |
| Teatro Comunale | Teatro Comunale | Italy, Monfalcone, Corso del Popolo, 20 | 1999-01-12 | 2017-01-18 | 1999–2017 | 3 | |
| Theatro Neapoleos | Theatro Neapoleos | Greece, Athens | 1899-07-20 | 1904-07-26 | 1899–1904 | 4 | |
| Théâtre National de la Colline | Théâtre National de la Colline | France, Paris, 15 Rue Malte Brun | 1998-05-06 | 2016-01-14 | 1998–2016 | 10 | |
| Theater Erfurt | Theater Erfurt | Germany, Erfurt, Theaterpl. 1 | 1999-01-30 | -- | 1999 | 1 | |
| Théâtre 71 | Théâtre 71 | France, Malakoff, 3 Place du 11 Novembre | 2004-02-06 | 2004-02-06 | 2004 | 1 | |
| Theatre Royal | Theatre Royal | England, Exeter | 1910-11-28 | 1910-12-02 | 1910 | 4 | |
| Teatrul Țăndărică | Teatrul Țăndărică | Romania, Bucharest, Strada General Eremia Grigorescu 24 | 2016-10-21 | -- | 2016 | 1 | |
| Teatro Pacini | Teatro Pacini | Italy, Pescia, Piazza S. Francesco 9 | 2001-02-21 | 2001-02-22 | 2001 | 1 | |
| Théâtre Libre | Théâtre Libre | France, Paris | 1890-05-30 | -- | 1890–1891 | 2 | |
| Tomtaklintskolans Aula | Tomtaklintskolans Aula | Sweden, Trosa, Tomtaklintgatan 4 | 2019-09-10 | 2019-09-10 | 2019 | 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 | |
| Theatro Kefalos | Theatro Kefalos | Greece, Kefalonia | 1909-03-26 | -- | 1909 | 1 | |
| Theatret i Tromsø | Theatret i Tromsø | Norway, Tromsø | 1880-05-10 | -- | 1880–1909 | 5 | |
| Teatr Polskiego Radia | Teatr Polskiego Radia | Poland, Warsaw, Modzelewskiego 59 | 2012-12-23 | 2012-12-23 | 2012 | 1 | |
| Trueblood Auditorium, Frieze Building, University of Michigan | Trueblood Auditorium, Frieze Building, University of Michigan | United States, Ann Arbor | 1966-04-06 | 1966-04-09 | 1966 | 1 | |
| Theater de Meervaart | Theater de Meervaart | Netherlands, Amsterdam, Meer en Vaart 300 | 2002-05-12 | -- | 2002 | 1 | |
| Teatro Municipal | Teatro Municipal | Spain, Alcázar de San Juan, Calle de Goya, 1 | 2010-03-11 | -- | 2010 | 1 | |
| Theatret (Hotel Kong Carl) | Theatret (Hotel Kong Carl) | Norway, Sandefjord, Torggata 9 | 1903-03-25 | -- | 1903–1907 | 2 | |
| Taproot Theatre | Taproot Theatre | United States, Seattle, 204 N 85th St | 2005-02-02 | 2005-03-05 | 2005 | 1 | |
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