| Theater T | Theater T | Greece, Thessaloniki, l. Flemingk 16, Thessaloniki 546 42, Greece | 2023-12-01 | 2024-01-07 | 2023 | 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 | |
| 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 da Casa da Cultura | Teatro da Casa da Cultura | Brazil, Caxias do Sul | 1987-05- | -- | 1987 | 1 | |
| Théâtre de l'Orangerie | Théâtre de l'Orangerie | Switzerland, Genève, Quai Gustave-Ador 66B | 2021-07-08 | 2021-07-25 | 2021 | 1 | |
| Théâtre de la Parcheminerie | Théâtre de la Parcheminerie | France, Rennes, 23 Rue Parcheminerie | 1982-10-14 | 1982-11-25 | 1982 | 1 | |
| The Auditorium | The Auditorium | United States of America, Houston | 1908-03-16 | 1908-03-16 | 1908 | 1 | |
| Teatro Comunale di Carpi | Teatro Comunale di Carpi | Italy, Carpi, Piazza Martiri, 72, 41012 | 2018-12-18 | 2018-12-20 | 2018 | 1 | |
| The Little Theatre, DePauw University | The Little Theatre, DePauw University | United States of America, Greencastle | 1963-03-28 | -- | 1963 | 1 | |
| Timothy Christian Schools | Timothy Christian Schools | United States of America, Elmhurst, 188 West Butterfield Road | 2006-05-06 | -- | 2006 | 1 | |
| Teatro Lucinda | Teatro Lucinda | Brazil, Rio de Janeiro | 1900-03- | -- | 1900 | 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 Rossini | Teatro Rossini | Switzerland, Lugano | 1893-01-24 | -- | 1893 | 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 | |
| The Court Theatre | The Court Theatre | New Zealand, Christchurch, Bernard St, Addington | 2003-02-08 | 2003-03-08 | 2003 | 1 | |
| Theatro Kosta Preka | Theatro Kosta Preka (Kostas Prekas Theatre) | Greece, Athens | 1984-10-10 | 1984-11-04 | 1984 | 1 | |
| Teatro Municipal da Guarda | Teatro Municipal da Guarda | Portugal, Guarda, Rua Batalha Reis | 2008-01-19 | -- | 2008 | 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 | |
| Teatro Contavalli | Teatro Contavalli | Italy, Bologna | 1895-05-08 | -- | 1895 | 1 | |
| The Strode Theatre | The Strode Theatre | England, Somerset, Church Rd, Street | 1985-01-17 | -- | 1985 | 1 | |
| Teatro Quijano | Teatro Quijano | Spain, Ciudad Real, Calle Ciruela, 7 | 1998-06-11 | -- | 1998 | 1 | |
| Tjornhom-Nelson Theater, Foss Center | Tjornhom-Nelson Theater, Foss Center | United States of America, Minneapolis, Augsburg College, 2211 Riverside Ave | 2006-11-03 | 2006-11-12 | 2006 | 1 | |
| Théatro Alkmíni | Théatro Alkmíni (Alcmeni theater) | Greece, Athens, Alkminis 8-12 | 2023-10-21 | -- | 2023 | 1 | |
| Teatr «Sotvorčeskie Teatral´nye Masterskie» | Teatr «Sotvorčeskie Teatral´nye Masterskie» | Russia, Moscow | 2001-03-03 | -- | 2001 | 1 | |
| Teatr amatorski Miłośników Sceny | Teatr amatorski Miłośników Sceny | Poland, Przemysl | 1912-09-24 | -- | 1912 | 1 | |
| Teatro A Hebraica | Teatro A Hebraica | Brazil, São Paulo | 1983-03- | -- | 1983 | 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 | |
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