| Tristan Bates Theatre | Tristan Bates Theatre | England, London, 1A Tower Street, Covent Garden | 1997-09-25 | -- | 1997 | 1 | |
| Tromsø | Tromsø | Norway, Tromsø | 1898-01-10 | 1999-06-19 | 1898–2015 | 9 | |
| Tavastehus | Tavastehus | Finland, Tavastehus | 1897-04-25 | -- | 1897 | 1 | |
| Town Hall Theatre | Town Hall Theatre | Ireland, Galway, 1 Courthouse Square | 2011-05-17 | 2011-05-18 | 2011 | 1 | |
| Teatersalen i Hotell Hedmark | Teatersalen i Hotell Hedmark | Norway, Brumunddal | 1987-03-17 | -- | 1987 | 1 | |
| Teatro Universitario, Facultad de Humanidades | Teatro Universitario, Facultad de Humanidades (University Theatre, Faculty of Humanities) | Uruguay, Montevideo | 1955-07-10 | -- | 1955 | 1 | |
| Teatro do Píer da Praça Mauá | Teatro do Píer da Praça Mauá | Brazil, Praça Mauá, Avenida Rodrigues Alves, 10 | 1996-10-18 | -- | 1996 | 1 | |
| Teatro Luigi Pirandello | Teatro Luigi Pirandello | Italy, Agrigento, Piazza Luigi Pirandello | 2001-04-17 | 2001-04-22 | 2001 | 1 | |
| Teatro Municipal de Portimão | Teatro Municipal de Portimão | Portugal, Portimão, Largo 1º de Dezembro 34 | 2009-09-18 | 2009-09-19 | 2009 | 1 | |
| Theater der Stadt Heidelberg | Theater der Stadt Heidelberg | Germany, Heidelberg | 1981-01-21 | -- | 1981–2002 | 5 | |
| Teatro dell’Aquila | Teatro dell’Aquila | Italy, Fermo FM, Via Giuseppe Mazzini, 4, | 2013-03-16 | 2013-03-17 | 2013 | 1 | |
| Theatrikos Organismos "Morfes" | Theatrikos Organismos "Morfes" | Greece, Athens | -- | -- | | | |
| Teatret Hamar | Teatret Hamar | Norway, Hamar, Strandgata 23 | 1927-09-24 | 1984-04-04 | 1927–2008 | 20 | |
| Theater der Freien Hansestadt | Theater der Freien Hansestadt | Germany, Bremen | 1961-02-02 | -- | 1961–1984 | 3 | |
| tulleteater | tulleteater | Belarus | -- | -- | | | |
| Theater 80 St Marks | Theater 80 St Marks | United States, New York, 80 St Marks Pl | 2005-09-22 | 2008-08-14 | 2005–2008 | 2 | |
| The Gabriel Sundukian National Theatre | The Gabriel Sundukian National Theatre | Armenia, Yerevan | 1991-02-13 | -- | 1991 | 1 | |
| Teatro do Bolso | Teatro do Bolso | Portugal, Porto, Rua de Miragaia 61 | 1961-01-09 | -- | 1961 | 1 | |
| Taranto | Taranto | Italy | -- | -- | | | |
| Theater am Stadtpark | Theater am Stadtpark | Austria, Graz, Stadtpark 1 | 1892-04-23 | 1895-05-24 | 1892–1897 | 3 | |
| Theater an der Wien | Theater an der Wien | Austria, Vienna, Linke Wienzeile 6 | 1905-05-30 | 2017-04-04 | 1905–2017 | 15 | |
| Teatr-studija "Na Filjach" | Teatr-studija "Na Filjach" | Russia, Moscow | 1992-- | -- | 1992 | 1 | |
| Teatro Comunale Ferdinando Bibiena | Teatro Comunale Ferdinando Bibiena | Italy, Sant'Agata Bolognese BO, Via II Agosto 1980, 114, | 2008-01-28 | -- | 2008 | 1 | |
| Teatro Ideal | Teatro Ideal | Mexico, Mexico by | 1916-11-17 | -- | 1916 | 1 | |
| Theater Phönix | Theater Phönix | Austria, Linz, Wiener Str. 25 | 2011-03-17 | 2011-04-24 | 2011 | 1 | |
| Théâtre de la Chrysalide | Théâtre de la Chrysalide | France, Lyon, 234, rue Paul Bert | 1983-10-27 | 1983-10-29 | 1983 | 1 | |
| Teatr Kononowa | Teatr Kononowa | Russia, St Petersburg | 1883-01-25 | 1897-05-09 | 1883–1897 | 2 | |
| Teatro Municipal Francisco Rabal | Teatro Municipal Francisco Rabal | Spain, Pinto, Calle de las Alpujarras, s/n | 2017-03-31 | -- | 2017 | 1 | |
| Theater im Hofgarten | Theater im Hofgarten | Germany, Immenstadt i. Allgäu | 1980-03-07 | -- | 1980–2010 | 2 | |
| Tallin | Tallin | Estonia | -- | -- | | | |
| Teatro Spazio Uno | Teatro Spazio Uno | Italy, Rome, Vicolo dei Panieri, 3 | 2011-12-06 | 2011-12-11 | 2011 | 1 | |
| Theaterhaus Jena | Theaterhaus Jena | Germany, Jena, Schillergäßchen 1 | 1994-03-30 | -- | 1994 | 1 | |
| Théâtre National de Bretagne | Théâtre National de Bretagne | France, Rennes, 1 Rue Saint-Hélier | 1997-05-28 | 2014-03-22 | 1997–2014 | 8 | |
| Teatro dei Filodrammatici | Teatro dei Filodrammatici | Italy, Milan, Via Filodrammatici | 1891-02-09 | 1900-10-21 | 1891–1900 | 9 | |
| Tomtaklintskolans Aula | Tomtaklintskolans Aula | Sweden, Trosa, Tomtaklintgatan 4 | 2019-09-10 | 2019-09-10 | 2019 | 1 | |
| The Grand | The Grand | United States, Evansville | 1907-10-23 | 1907-10-23 | 1907 | 1 | |
| Theater for the New City | Theater for the New City | United States, New York, 155 1st Ave | 1998-02-17 | 2006-10-07 | 1998–2006 | 5 | |
| Teatro Avenida | Teatro Avenida | Portugal, Lisbon, Avenida da Liberdade | 1961-05-26 | -- | 1961 | 1 | |
| Täby | Täby | Sweden, Täby | 1991-04-20 | 1991-04-20 | 1991 | 1 | |
| Teatro Goldoni | Teatro Goldoni | Italy, Venice, Sestiere San Marco | 1892-05-20 | 2022-02-06 | 1892–2022 | 16 | |
| Teatr na Woli | Teatr na Woli | Poland, Warsaw, Marcina Kasprzaka 22 | 1983-05-10 | -- | 1983–1997 | 2 | |
| Theatret (Hotel Kong Carl) | Theatret (Hotel Kong Carl) | Norway, Sandefjord, Torggata 9 | 1903-03-25 | -- | 1903 | 1 | |
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