| Thorvalds pub og studentkro | Thorvalds pub og studentkro | Norway, Nesna, Nesna | 2012-05-07 | -- | 2012 | 1 | |
| Théâtre de la Ville Aoste | Théâtre de la Ville Aoste | Italy, Aosta, Rue Xavier de Maistre, 21, | 2004-03-22 | -- | 2004 | 1 | |
| The Opera House | The Opera House | Northern Ireland, Londonderry, Carlisle Road | 1907-08-21 | 1907-08-24 | 1907 | 2 | |
| Teatro Studio | Teatro Studio | Italy, Milan, Via Rivoli 6 | 2002-01-10 | 2022-12-22 | 2002–2022 | 2 | |
| Teatro Sociale | Teatro Sociale | Italy, Varese | 1893-03-13 | -- | 1893 | 1 | |
| 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 | |
| Tynset | Tynset | Norway, Tynset | 1991-10-15 | -- | 1991–2005 | 4 | |
| Teatr im. Stefana Jaracza | Teatr im. Stefana Jaracza | Poland, Olsztyn, 1 Maja 4 | 1958-01-16 | -- | 1958–2014 | 6 | |
| Teatro de Estudantes | I Festival de Teatro de Estudantes | Brazil, Recife | 1958-03-24 | -- | 1958 | 1 | |
| Teatro Carlos Gomes | Teatro Carlos Gomes | Brazil, Natal | 1948-02-04 | 1948-02-06 | 1948 | 1 | |
| Theater am Bülowplatz | Theater am Bülowplatz | Germany, Berlin, Rosa-Luxemburg-Platz, Linienstraße 227 | 1917-12-12 | 1918-01-14 | 1917 | 1 | |
| Teatro São Pedro | Teatro São Pedro | Brazil, Porto Alegre, Praça Mal. Deodoro - Centro | 1952-08-31 | -- | 1952–1989 | 2 | |
| Theatro Kronion | Theatro Kronion | Greece, Serres | 1940-03-04 | -- | 1940 | 1 | |
| Teatret i Stubbekøbing | Teatret i Stubbekøbing | Denmark, Stubbekøbing | 1907-10-14 | -- | 1907 | 1 | |
| Theatro Odeio | Theatro Odeio | Greece, Rethymno, Crete | 2005-01-11 | 2005-01-12 | 2005 | 1 | |
| Teatro Nuovo | Teatro Nuovo | Italy, Naples, Via Montecalvario, 16 | 1898-10-28 | 2011-03-10 | 1898–2010 | 2 | |
| Trossnäs lägerplats | Trossnäs lägerplats | Sweden, Trossnäs | 1911-06-30 | -- | 1911 | 1 | |
| Theater Geert Teis | Theater Geert Teis | Netherlands, 9501 VL, Geert Teisplein 2, | 2000-04-25 | -- | 2000 | 1 | |
| Tejido Abierto Teatro | Tejido Abierto Teatro | Spain, Madrid, Pza del Alamillo, 8 | 2016-12-14 | 2017-05-07 | 2016 | 1 | |
| Theater der Stadt Gummersbach | Theater der Stadt Gummersbach | Germany, Gummersbach, Moltkestr. 50 | 2002-12-18 | -- | 2002–2005 | 2 | |
| Teatro Andreani | Teatro Andreani | Italy, Mantova | 1893-03-30 | -- | 1893 | 1 | |
| Trondenes fort | Trondenes fort | Norway, Harstad, Trondenes | 1994-03-21 | -- | 1994 | 1 | |
| Teatr Ochoty | Teatr Ochoty | Poland, Warsaw, Mikołaja Reja 9 | 1978-01-28 | -- | 1978 | 1 | |
| Theatro Palladio | Theatro Palladio | Greece, Ioannina | 1956-01-27 | 1956-01-28 | 1956 | 1 | |
| Teatro dell'Elfo | Teatro dell'Elfo | Italy, Milan, Corso Buenos Aires 33 | 1994-10-19 | -- | 1994 | 1 | |
| Theatro Gkloria | Theatro Gkloria | Greece, Athens | 2000-10-13 | 2001-04-08 | 2000 | 1 | |
| The New Theatre | The New Theatre | United States, New Haven | 2002-02-11 | 2008-02-09 | 2002–2008 | 2 | |
| Teatro Guerra de Lorca | Teatro Guerra de Lorca | Spain, Murcia, Plaza de Calderón de la Barca | 1994-03-15 | -- | 1994–2009 | 2 | |
| Theatro Aktaio | Theatro Aktaio | Cyprus, Limassol | 1903-10-05 | -- | 1903 | 1 | |
| Teatr Mały | Teatr Mały | Poland, Warsaw, Marszałkowska 104/122 | 1905-05-06 | 1909-10-06 | 1905–1993 | 12 | |
| Teatro Puccini | Teatro Puccini | Italy, Merano, Theaterplatz, 2 | 2011-10-28 | -- | 2011 | 1 | |
| Teatro Castro Alves | Teatro Castro Alves | Brazil, Salvador | 1983-06- | -- | 1983–1989 | 2 | |
| Teatro Unione | Teatro Unione | Italy, Viterbo, Via Teatro Nuovo | 2001-02-03 | 2001-02-04 | 2001 | 1 | |
| Theatro Akadimos | Theatro Akadimos | Greece, Athens | 1967-10-11 | 1968-04-14 | 1967–1968 | 2 | |
| Tranebjerg Teater | Tranebjerg Teater | Denmark, Tranebjerg, Samsø | 1907-11-19 | -- | 1907 | 1 | |
| Theater Duisburg | Theater Duisburg | Germany, Duisburg, Neckarstraße 1 | 2004-01-08 | 2013-10-13 | 2004–2013 | 5 | |
| Théâtre Antibéa | Théâtre Antibéa | France, Antibes, 1 Place nationale | 2012-03-16 | 2022-05-08 | 2012–2022 | 2 | |
| Theater am Kornmarkt | Theater am Kornmarkt | Austria, Bregenz | 1978-08-08 | 2006-06-23 | 1978–2006 | 5 | |
| Teatrul Naţional Cluj | Teatrul Naţional Cluj | Romania, Cluj-Napoca, Piaţa Ştefan cel Mare 2-4 | 1922-06-03 | 1940-03-09 | 1922–2016 | 19 | |
| Teatret | Teatret | Norway, Kongsberg | 1952-02-06 | -- | 1952 | 1 | |
| Theater de Veste | Theater de Veste | Netherlands, Delft, Asvest 1 | 1997-01-24 | -- | 1997–2017 | 6 | |
| Teatro Jenco | Teatro Jenco | Italy, Viareggio, Via Menini | 2005-02-25 | -- | 2005 | 1 | |
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