| Teatro Fábrica | Teatro Fábrica | Brazil, Consolação, Rua Consolação, 1623 | 2005-10-22 | 2005-12-18 | 2005 | 1 | |
| Teatro Monterosa | Teatro Monterosa | Italy, Torino, Via Brandizzo, 65, 10154 | 2003-04-12 | -- | 2003 | 1 | |
| Teatrul Toma Caragiu Ploiesti | Teatrul Toma Caragiu Ploiesti | Romania, Ploieşti, Str. Toma Caragiu 13 | 1973-05-11 | -- | 1973 | 1 | |
| The Ron Barber Studio Theatre | The Ron Barber Studio Theatre, The Crescent Theatre | England, Birmingham, Brindleyplace, Sheepcote St | 2003-01-24 | 2003-02-01 | 2003 | 1 | |
| Teatro Circo | Teatro Circo | Spain, Cartagena, Calle Tolosa Latour | 1905-05- | -- | 1905 | 1 | |
| Theatro Odou Antioxeias | Theatro Odou Antioxeias (Antiochia Street Teater) | Greece, Athens | 2006-05-04 | 2006-05-28 | 2006 | 1 | |
| The McCroskey Memorial Internet Playhouse | The McCroskey Memorial Internet Playhouse | United States of America | 2009-06-28 | -- | 2009 | 1 | |
| Teatro Nuovo | Teatro Nuovo | Italy, Treviglio, Piazza Garibaldi, 7, 24047 | 2023-03-04 | -- | 2023 | 1 | |
| Theater des Volkes | Theater des Volkes | Germany, Berlin, Friedrichstraße 107 | 1936-03-05 | -- | 1936 | 1 | |
| Teatro Fortezza Est | Teatro Fortezza Est | Italy, Roma, Via Francesco Laparelli, 62, 00177 | 2024-03-14 | 2024-03-16 | 2024 | 1 | |
| Trudvang | Trudvang | Norway, Surna | 1956-02-10 | -- | 1956 | 1 | |
| Teatre de Capdepera | Teatre de Capdepera | Spain, Capdepera, Carrer Col·legi, 18 | 2006-05-12 | -- | 2006 | 1 | |
| Teatro Matteotti | Teatro Matteotti | Italy, Moncalieri, Via Giacomo Matteotti, 1 | 1996-02-08 | 1996-02-12 | 1996 | 1 | |
| Tyrili Kollektivets teatersal på Tøyen | Tyrili Kollektivets teatersal på Tøyen | Norway, Oslo, Tøyen | 1991-09-13 | -- | 1991 | 1 | |
| Teatro Pacini | Teatro Pacini | Italy, Pescia, Piazza S. Francesco 9 | 2001-02-21 | 2001-02-22 | 2001 | 1 | |
| Teatre Domènech | Teatre Domènech | Spain, Rubí | 1914-08-02 | -- | 1914 | 1 | |
| Teatro Campo Alegre | Teatro Campo Alegre | Portugal, Porto, Rua das Estrelas | 2009-09-03 | 2009-09-13 | 2009 | 1 | |
| Teatro Comunale di Alvito | Teatro Comunale di Alvito | Italy, Alvito, Piazza Umberto I, 03041 | 2022-10-22 | -- | 2022 | 1 | |
| Théâtre de l'Aquarium | Théâtre de l'Aquarium | France, Paris, la Cartoucherie, Route du Champ de Manoeuvre | 2013-02-12 | 2013-03-03 | 2013 | 1 | |
| Trueblood Auditorium, Frieze Building, University of Michigan | Trueblood Auditorium, Frieze Building, University of Michigan | United States of America, Ann Arbor | 1966-04-06 | 1966-04-09 | 1966 | 1 | |
| Teatro Aperto della Sentinella | Teatro Aperto della Sentinella | Italy, Casamicciola | 1956-07-13 | 1956-07-15 | 1956 | 1 | |
| Theater der Stadt Marl | Theater der Stadt Marl | Germany, Marl, Am Theater 1 | 1962-05- | -- | 1962 | 1 | |
| Toledo | Toledo | Spain, Toledo | 2010-11-26 | -- | 2010 | 1 | |
| Teatersalen | Teatersalen | Norway, Rommetveit | 1969-09-25 | -- | 1969 | 1 | |
| Turnhalle | Turnhalle | Switzerland, Klingnau | 1991-08-21 | -- | 1991 | 1 | |
| Teatro Quijano | Teatro Quijano | Spain, Ciudad Real, Calle Ciruela, 7 | 1998-06-11 | -- | 1998 | 1 | |
| Théatro Alkmíni | Théatro Alkmíni (Alcmeni theater) | Greece, Athens, Alkminis 8-12 | 2023-10-21 | -- | 2023 | 1 | |
| Tetsudokai Auditorium | Tetsudokai Auditorium | Japan, Tokyo | 1921-11-04 | 1921-11-06 | 1921 | 1 | |
| Theatreworks | Theatreworks | Australia, St Kilda, 14 Acland Street | 2007-05-04 | 2007-05-20 | 2007 | 1 | |
| Teatro Regina | Teatro Regina | Argentina, Buenos Aires, Av. Santa Fe 1235, | 1971-- | -- | 1971 | 1 | |
| Teatro Bretón | Teatro Bretón | Spain, Logroño, Calle Bretón de los Herreros, 11 | 2018-11-24 | 2018-11-24 | 2018 | 1 | |
| The Norwegian Theatre | The Norwegian Theatre | United States of America, Chicago | 1913-04-18 | 1913-05-04 | 1913 | 1 | |
| Teatro Marilia | Teatro Marilia | Brazil, Belo Horizonte, Av. Prof Alfredo Balena | 1973-07- | -- | 1973 | 1 | |
| Teater Manu | Teater Manu | Norway, Oslo, Schleppegrells gate 32 | 2006-03-16 | 2006-04-23 | 2006 | 1 | |
| Temple Theatre | Temple Theatre | United States of America, Owensboro | 1905-01-03 | 1905-01-03 | 1905 | 1 | |
| Theater im Kärntnertor | Ensemble Theater im Kärntnertor | Austria, Wien, Walfischgasse 4 | 1975-03-01 | -- | 1975 | 1 | |
| Theatro Akropolis | Theatro Akropolis | Greece, Thessaloniki | 1929-09-13 | -- | 1929 | 1 | |
| Theatro Enten | Theatro Enten | Greece, Thessaloniki | 1914-01-06 | -- | 1914 | 1 | |
| Theater Sandro Pertini | Theater Sandro Pertini | Italy, 10043 Orbassano TO, Via dei Mulini, 1 | 2024-09-05 | -- | 2024 | 1 | |
| Theatro Inteal | Theatro Inteal (Ideal Theatre) | Greece, Athens | 1950-10-09 | 1950-10-22 | 1950 | 1 | |
| Teatrul de Vară Herăstrău | Teatrul de Vară Herăstrău | Romania, Bucharest | 2014-09-13 | -- | 2014 | 1 | |
| Théâtre de la Bordée | Théâtre de la Bordée | Canada, Ville de Québec, 315 Rue Saint-Joseph E | 2009-01-13 | 2009-02-07 | 2009 | 1 | |
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