| Theatro Opseis | Theatro Opseis | Greece, Karditsa | 2007-04-19 | -- | 2007 | 1 | |
| Teater Geist | Teater Geist | Finland, Degerby | 2015-03-19 | -- | 2015 | 1 | |
| Teatre Euterpe | Teatre Euterpe (Teatro Euterpe) | Spain, Mataró, Carrer de la Riera, 119 | 1902-09-07 | -- | 1902 | 1 | |
| Teatro Lucinda | Teatro Lucinda | Brazil, Rio de Janeiro | 1900-03- | -- | 1900 | 1 | |
| Theater De Paardenkathedraal | Theater De Paardenkathedraal | Netherlands, Utrecht, Veeartsenijstraat 155 | 2004-06-01 | 2004-11-06 | 2004 | 1 | |
| Theatro Orfefs | Theatro Orfefs (Orpheus Theatre) | Greece, Larisa | 1951-03-15 | 1951-03-16 | 1951 | 1 | |
| Théâtre de Gisors | Théâtre de Gisors | France, Gisors | 2013-04-07 | -- | 2013 | 1 | |
| Teatro El Bardo | Teatro El Bardo | Argentina, Buenos Aires, Cochabamba 743 | 2001-06-26 | -- | 2001 | 1 | |
| Theatro Kefalos | Theatro Kefalos (Kefalos Theatre) | Greece, Kefalonia | 1909-03-26 | -- | 1909 | 1 | |
| Theater Tinnenpot | Theater Tinnenpot | Belgium, Gent, Tinnenpotstraat 21 | 1995-04-10 | 1995-04-15 | 1995 | 1 | |
| The McCroskey Memorial Internet Playhouse | The McCroskey Memorial Internet Playhouse | United States of America | 2009-06-28 | -- | 2009 | 1 | |
| Teatro alle Tese dell'Arsenale | Teatro alle Tese dell'Arsenale | Italy, Venice | 2000-09-11 | 2000-09-15 | 2000 | 1 | |
| Teatro CTBlu Almenno San Bartolomeo | Teatro CTBlu Almenno San Bartolomeo | Italy, Almenno San Bartolomeo, Piazza Don Alessio Pezzoli, 2, 24030 | 2023-11-17 | -- | 2023 | 1 | |
| Trojan House Theater | Trojan House Theater (木马剧场) | China, Beijing, 22 International Art Street, 32 Baiziwan Lu, Chaoyang district | 2012-11-12 | 2012-11-28 | 2012 | 1 | |
| Tennisstadion | Tennisstadion | Sweden, Ystad, Spaljégatan 14 | 2006-10-26 | -- | 2006 | 1 | |
| Théâtre de la Grange | Théâtre de la Grange | France, Brive-la-Gaillarde, 12 Rue René Glangeaud, | 2003-03- | -- | 2003 | 1 | |
| Tingvold | Tingvold | Norway, Tingvold | 1966-04-29 | -- | 1966 | 1 | |
| Teatro delle Moline | Teatro delle Moline | Italy | 2023-01-11 | 2023-01-11 | 2023 | 1 | |
| Teatro de Cádiz | Teatro de Cádiz | Spain, Cádiz | 2009-10-25 | 2009-10-26 | 2009 | 1 | |
| Théâtre de Comédie | Théâtre de Comédie | France, Strasbourg | 1960-03-16 | -- | 1960 | 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 | |
| Teatro Sá da Bandeira | Teatro Sá da Bandeira | Portugal, Santarém, Rua João Afonso nº7 | 2009-07-18 | -- | 2009 | 1 | |
| Theodore and Adele Shank Theatre | Theodore and Adele Shank Theatre | United States of America, San Diego, 9500 Gilman Drive | 2018-06-06 | 2018-06-09 | 2018 | 1 | |
| Théâtre Molière | Théâtre Molière | Belgium, Brussels, Square du Bastion, 3 | 1969-01-09 | -- | 1969 | 1 | |
| Teatro dell'Opera di Roma | Teatro dell'Opera di Roma | Italy, Rome, Piazza Beniamino Gigli 7 | 2007-11-07 | 2007-11-11 | 2007 | 1 | |
| Teatergrad | Teatergrad | Denmark, Copenhagen, Nørrebrogade 208 | 2015-08-27 | 2015-11-02 | 2015 | 1 | |
| Theater Rotonde | Theater Rotonde | Netherlands, Borger, Hoofdstraat 21 | 2004-11-07 | -- | 2004 | 1 | |
| Tom Bradley Theatre | Tom Bradley Theatre | United States of America, Los Angeles, Los Angeles Theatre Center, 514 S Spring St, | 1990-07-12 | -- | 1990 | 1 | |
| Timrå | Timrå | Sweden, Timrå | 1989-10-04 | 1989-10-04 | 1989 | 1 | |
| Theatre 14 Smith College | Theatre 14 Smith College | United States of America, Northampton | 2002-10-18 | 2002-10-26 | 2002 | 1 | |
| Trento Teatro Auditorium | Trento Teatro Auditorium | Italy, Trento | 2013-02-28 | 2013-03-03 | 2013 | 1 | |
| Théâtre d'Aurillac | Théâtre d'Aurillac | France, Aurillac, 4 Rue de la Coste | 2026-02-24 | 2026-02-25 | 2026 | 1 | |
| Teatro Bertagnolio | Teatro Bertagnolio | Italy, Chiaverano, Via del Teatro, 19, 10010 Chiaverano TO, Italy | 2023-05-07 | -- | 2023 | 1 | |
| Teatro Capitólio | Teatro Capitólio | Portugal, Lisbon, Parque Mayer | 1972-05-31 | -- | 1972 | 1 | |
| Teatry Dramatyczne | Teatry Dramatyczne | Poland, Wrocław | 1957-03-30 | -- | 1957 | 1 | |
| Teatro dei Segni | Teatro dei Segni | Italy, Modena, Via S.G.Bosco, 150/B | 2022-05-21 | -- | 2022 | 1 | |
| Theatro Praxis | Theatro Praxis | Cyprus, Limassol | 2003-03-07 | -- | 2003 | 1 | |
| Teatro Regina | Teatro Regina | Argentina, Buenos Aires, Av. Santa Fe 1235, | 1971-- | -- | 1971 | 1 | |
| Trossnäs lägerplats | Trossnäs lägerplats | Sweden, Trossnäs | 1911-06-30 | -- | 1911 | 1 | |
| Theatro Analyti | Theatro Analyti (Analyst Theatre) | Greece, Athens | 2002-12-20 | 2003-04-17 | 2002 | 1 | |
| Tindlund ungdomsskole | Tindlund ungdomsskole | Norway, Sarpsborg, 1718 Sarpsborg | 2006-10-27 | -- | 2006 | 1 | |
| Teatro Real | Teatro Real () | Spain, Madrid, Plaza de Isabel II | 2026-02-12 | 2026-02-18 | 2026 | 1 | |
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