| Theatro Pallas | Theatro Pallas | Greece, Thessaloniki | 1939-05-08 | 1940-05-31 | 1939–1940 | 3 | |
| Teatro Ivo Chiesa | Teatro Ivo Chiesa | Italy, Genova, viale Duca d’Aosta, 16129 | 2013-02-19 | 2023-02-05 | 2013–2023 | 5 | |
| Theater am Turm | Theater am Turm | Germany, Frankfurt am Main, Carlo-Schmid-Platz | 1963-10-30 | -- | 1963 | 1 | |
| Tarragon Theatre | Tarragon Theatre | Canada, Toronto, 30 Bridgman Ave | 1983-02-17 | 2015-11-01 | 1983–2015 | 3 | |
| Théâtre de la Manufacture | Théâtre de la Manufacture | France, Nancy, 10 Rue Baron Louis | 2007-01-30 | 2007-02-10 | 2007 | 1 | |
| Theater Freiberg | Theater Freiberg | Germany, Freiberg, Borngasse 1 | 2013-09-21 | 2014-02-20 | 2013 | 1 | |
| Teatro Principal Alcoy | Teatre Principal Alcoy | Spain, Alcoy, Alicante, Calle Sant Tomàs, 5 | 2003-05-15 | -- | 2003 | 1 | |
| Theatret i Narvik | Theatret i Narvik | Norway, Narvik | 1908-05-26 | -- | 1908 | 1 | |
| Theatro Dionysia | Theatro Dionysia (Theater Dionysia) | Greece, Athens | 1926-01-05 | 1984-04-16 | 1926–1983 | 2 | |
| Theatro Katerinas Vasilakou | Theatro Katerinas Vasilakou (Katerina Vasilakou Theatre) | Greece, Athens, Profitou Daniil 3 | 2003-09-08 | 2003-09-20 | 2003 | 1 | |
| Torn Space Theater | Torn Space Theater | United States of America, Buffalo, 612 Fillmore Ave | 2012-03-01 | 2012-03-25 | 2012 | 1 | |
| Theater Studio | Theater Studio | Russia | -- | -- | | | |
| Teatre Rialto Valencia | Teatre Rialto Valencia | Spain, Valencia, Plaça de l'Ajuntament, 17 | 2003-02-26 | 2013-12-14 | 2003–2013 | 3 | |
| The Prince | The Prince | United States of America, Houston | 1908-09-29 | 1908-12-08 | 1908 | 2 | |
| Teatret i Rødby | Teatret i Rødby | Denmark, Rødby | 1907-10-10 | -- | 1907 | 1 | |
| Tierp | Tierp | Sweden, Tierp | 1989-10-14 | 1989-10-14 | 1989–1993 | 2 | |
| Teatro Francisco Nunes | Teatro Francisco Nunes in Belo Horizonte (Minas Gerais) | Brazil, Belo Horizonte | 1983-06- | -- | 1983 | 1 | |
| TATA Theatre, National Centre of Performing Arts | TATA Theatre, National Centre of Performing Arts | India, Mumbai, Maharashtra, Sir Dorab Tata Road, Nariman Point | 2015-10-22 | 2015-10-25 | 2015 | 1 | |
| Teatro Carlos Gomes | Teatro Carlos Gomes | Brazil, Natal | 1948-02-04 | 1948-02-06 | 1948 | 1 | |
| Theatret i Kristiansand | Theatret i Kristiansand | Norway, Kristiansand | 1858-04-16 | 1984-11-24 | 1858–2024 | 15 | |
| T.B. Sheldon Performing Arts Theatre | T.B. Sheldon Performing Arts Theatre | United States of America, Red Wing, 443 West 3rd Street | 2009-04-04 | -- | 2009–2013 | 3 | |
| Théâtre de la Renaissance | Théâtre de la Renaissance | France, Oullins, 7 Rue Orsel | 2003-10-15 | 2017-06-10 | 2003–2017 | 2 | |
| Teatro / Oratorio San Filippo | Teatro / Oratorio San Filippo | Italy, Turin | 1998-03-07 | 1998-03-08 | 1998 | 1 | |
| Teatro Mayor Julio Mario Santo Domingo | Teatro Mayor Julio Mario Santo Domingo | Colombia, Bogotá, Diagonal 170 | 2012-03-29 | 2018-04-01 | 2012–2018 | 3 | |
| Teatro Calderón de la Barca de Valladolid | Teatro Calderón de la Barca de Valladolid | Spain, Valladolid, Calle de las Angustias, 1 | 1924-- | 2005-02-13 | 1924–2005 | 2 | |
| Teatr Ziemi Krakowskiej im.Solskiego | Teatr Ziemi Krakowskiej im.Solskiego | Poland, Tarnów, Mickiewicza 4 | 1963-10-26 | -- | 1963 | 1 | |
| Teatro Epicarmo | Teatro Epicarmo | Italy, Syracuse | 1907-08-06 | -- | 1907 | 1 | |
| Theatre on The Square | Theatre on The Square | South Africa, Sandton (Johannesburg) | 2025-05-14 | 2025-06-07 | 2025 | 1 | |
| Teatro do IBEU | Teatro do IBEU | Brazil, Fortaleza, R. Nogueira Acioly, 891 | 1994-05-10 | -- | 1994 | 1 | |
| Teatro Comunale | Teatro Comunale | Italy, Trieste | 1891-10-21 | -- | 1891–1893 | 2 | |
| Théâtre de Nîmes | Théâtre de Nîmes | France, Nîmes, 1 Place de la Calade | 2013-04-03 | 2013-04-04 | 2013 | 1 | |
| Teatro Carignano | Teatro Carignano | Italy, Genova, Viale Villa Glori, 8, 16128 Genova GE, Italy | 2011-04-30 | 2011-05-01 | 2011 | 1 | |
| Turku | Turku | Finland, Turku | -- | -- | | | |
| Théo Théatre | Le Théo Théatre | France, Paris, 20 Rue Théodore Deck | 2007-12-19 | 2008-02-07 | 2007 | 1 | |
| Teatro Ortiz | Teatro Ortiz | Spain, Murcia, Calle Vara del Rey 7 | 1918-11-16 | -- | 1918 | 1 | |
| Teatro Sant`Anna | Teatro Sant`Anna | Brazil, Rio de Janeiro | 1899-05- | -- | 1899–1900 | 2 | |
| The Gabriel Sundukian National Theatre | The Gabriel Sundukian National Theatre | Armenia, Yerevan | 1991-02-13 | -- | 1991 | 1 | |
| Theatro Odeio | Theatro Odeio | Greece, Rethymno, Crete | 2005-01-11 | 2005-01-12 | 2005 | 1 | |
| Teatr Dom rabočih | Teatr Dom rabočih | Russia, Petrograd (Saint Petersburg) | 1918-06-07 | -- | 1918 | 1 | |
| Tvedestrand Kulturhus | Tvedestrand Kulturhus | Norway, Tvedestrand | 1997-11-16 | -- | 1997 | 1 | |
| The Minack Theatre | The Minack Theatre | England, Penzance, Cornwall, Porthcurno | 1965-08-09 | 2007-08-03 | 1965–2007 | 2 | |
| The Grand | The Grand | United States of America, Indianapolis | 1908-05-18 | 1908-05-20 | 1908 | 1 | |
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