| Theatret i Grenå | Theatret i Grenå | Denmark, Grenå | 1885-02-28 | -- | 1885 | 1 | |
| Theatro Ilisia | Theatro Ilisia | Greece, Alexandroupoli | 1940-02- | -- | 1940 | 1 | |
| Teatret i Sakskøbing | Teatret i Sakskøbing | Denmark, Sakskøbing | 1907-10-08 | -- | 1907 | 1 | |
| Teatr im. Juliusza Osterwy | Teatr im. Juliusza Osterwy | Poland, Lublin, prezydenta Gabriela Narutowicza 17 | 1958-03-01 | -- | 1958 | 1 | |
| Theatre Royal | Theatre Royal | England, Bournemouth, Albert Road | 1897-08-30 | -- | 1897 | 1 | |
| Teaterlokalet | Teaterlokalet | Norway, Evjemoen | 1978-01-06 | -- | 1978 | 1 | |
| Teatri di Vita | Teatri di Vita | Italy, Bologna, Via Emilia Ponente, 485, 40132 Bologna BO, Italy | 2014-04-04 | 2014-04-06 | 2014 | 1 | |
| Teatersalen | Teatersalen | Norway, Oslo, Keysers gate 1 (Søilen Teater) | 1957-09-29 | -- | 1957 | 1 | |
| Theater de Nieuwe Kolk | Theater de Nieuwe Kolk | Netherlands, Assen, Weiersstraat 1 | 2017-03-16 | -- | 2017 | 1 | |
| The Little Theatre | The Little Theatre | England, Hull, Kingston Square | 1928-03-05 | -- | 1928 | 1 | |
| Teatro Walter Mac Mazzieri | Teatro Walter Mac Mazzieri | Italy, Pavullo Nel Frignano, Via Giardini, 190, 41026 | 2013-11-19 | -- | 2013 | 1 | |
| Teaterhögskolan i Malmö | Teaterhögskolan i Malmö | Sweden, Malmö, Bergsgatan | 2023-03-09 | 2023-03-18 | 2023 | 1 | |
| Teatro Puccini | Teatro Puccini | Italy, Merano, Theaterplatz, 2 | 2011-10-28 | -- | 2011 | 1 | |
| Teatro Sociale di Alba | Teatro Sociale di Alba | Italy, Alba, Piazza Vittorio Veneto, 3 | 1999-10-23 | -- | 1999 | 1 | |
| Theatr Ardudwy | Theatr Ardudwy | Wales, Harlech, Gwynedd | 1993-05-25 | -- | 1993 | 1 | |
| Twitter og Origo | Twitter og Origo | Norway, Porsgrunn, Skippergata 12 | 2010-06-04 | 2010-07-02 | 2010 | 1 | |
| Torbalı Belediyesi Kültür Merkezi | Torbalı Belediyesi Kültür Merkezi | Turkey, Izmir, Muratbey, Belediye Kültür Merkezi Torbali, 3564. Sokak, Torbalı/İzmir, Türkiye | 2023-04-05 | 2023-04-05 | 2023 | 1 | |
| Thatcher Opera House | Thatcher Opera House | United States of America, Logan | 1905-10-11 | 1905-10-11 | 1905 | 1 | |
| Tata Play Theatre | Tata Play Theatre | India, Telangana, Tata Play Ltd | 2024-08-25 | 2024-08-25 | 2024 | 1 | |
| Teatro San Juan | Teatro San Juan | Spain, Cáceres | 1922-10- | -- | 1922 | 1 | |
| Teatro do Centro Cultural da Caixa Econômica Federal | Teatro do Centro Cultural da Caixa Econômica Federal | Brazil, Fortaleza, Av. Almirante Barroso, 500 - Praia de Iracema | 2006-02-03 | 2006-02-05 | 2006 | 1 | |
| Teatro Moderno | Teatro Moderno | Italy, Savignano Sul Rubicone FC, Corso Perticari 5 | 2008-01-26 | -- | 2008 | 1 | |
| Theater Center Forum | Theater Center Forum | Austria, Vienna, Porzellangasse 50 | 2006-04-21 | -- | 2006 | 1 | |
| Theater Spielraum | Theater Spielraum | Austria, Wien, Kaiserstraße 46 | 2012-10-22 | 2012-11-24 | 2012 | 1 | |
| Turner Theatre | Turner Theatre | United States of America, New Ulm | 1904-10-16 | 1904-10-16 | 1904 | 1 | |
| Teatro Politeama | Teatro Politeama | Italy, Catania | 1893-08-29 | -- | 1893 | 1 | |
| Teatro Cantiere Florida | Teatro Cantiere Florida | Italy, Florence, Via Pisana 111r | 2003-12-03 | 2003-12-04 | 2003 | 1 | |
| Théâtre Boulogne-Billancourt | Théâtre Boulogne-Billancourt | France, Boulogne-Billancourt | 1986-11-14 | 1986-12-21 | 1986 | 1 | |
| Theater im Malsaal | Theater im Malsaal | Germany, Zwickau, Katharinenstraße 7 | 1997-05-16 | -- | 1997 | 1 | |
| Theater Die Auslese Hamburg | Theater Die Auslese Hamburg | Germany, Hamburg | 1948-09-03 | -- | 1948 | 1 | |
| Theater Oben | Theater Oben | Germany, Karl-Marx-Stadt (Chemnitz) | 1979-04-11 | -- | 1979 | 1 | |
| Temple Theater at Angelina College | Temple Theater at Angelina College | United States of America, Lufkin, 3500 South First Street | 2012-02-16 | 2012-02-18 | 2012 | 1 | |
| Teatre Principal | Teatre Principal | Spain, Olot, Girona, Passeig d'en Blay, 5 | 2008-10-10 | -- | 2008 | 1 | |
| Teatri Migjeni | Teatri Migjeni | Albania, Shkodër , Sheshi Demokracia 1 | 2010-11-13 | -- | 2010 | 1 | |
| Theater De Paardenkathedraal | Theater De Paardenkathedraal | Netherlands, Utrecht, Veeartsenijstraat 155 | 2004-06-01 | 2004-11-06 | 2004 | 1 | |
| Teatro Comunale | Teatro Comunale | Croatia, Rijeka | 1897-11-01 | -- | 1897 | 1 | |
| Teatro Alighieri | Teatro Alighieri | Italy, Ravenna, Via Angelo Mariani, 2 | 2002-02-21 | 2002-02-24 | 2002 | 1 | |
| Teatern i Östersund | Teatern i Östersund | Sweden, Östersund | 1899-02-03 | 1899-02-10 | 1899 | 1 | |
| Teatro della Regina | Teatro della Regina | Italy, Cattolica, Piazzale della Repubblica 1 | 2001-03-06 | 2001-03-06 | 2001 | 1 | |
| Théâtre de l'Orme | Théâtre de l'Orme | France, Paris, 16 Rue de l'Orme | 2006-02-24 | 2006-06-25 | 2006 | 1 | |
| Theater Bregenz (Forster-Saal) | Theater Bregenz (Forster-Saal) | Austria, Bregenz | 1913-04-09 | -- | 1913 | 1 | |
| Theater Hall, Art University of Afghanistan | Theater Hall, Art University of Afghanistan | Afghanistan, Kabul, Kabul University Road | 2014-10-12 | 2014-11- | 2014 | 1 | |
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