| Teaterhögskolan Teatterikorkeakoulu | Teaterhögskolan - Teatterikorkeakoulu (Theatre Academy) | Finland, Helsinki, Haapaniemenkatu 6 | 2001-03-21 | 2001-03-27 | 2001 | 1 | |
| Teatro Lope de Vega | Teatro Lope de Vega | Spain, Valladolid, Calle María de Molina, 12, | 1946-05-08 | -- | 1946 | 1 | |
| Teatro Olbia | Teatro Olbia | Italy, Olbia, Via delle Terme, 2 | 2005-02-15 | -- | 2005 | 1 | |
| Teatro Epicarmo | Teatro Epicarmo | Italy, Syracuse | 1907-08-06 | -- | 1907 | 1 | |
| Theatr Brycheiniog | Theatr Brycheiniog | Wales, Powys, Canal Wharf, Brecon | 2014-09-26 | 2014-09-26 | 2014 | 1 | |
| Theatro Athinaion | Theatro Athinaion (Theater of Athens) | Greece, Athens | 1984-10-27 | 1985-03-17 | 1984 | 1 | |
| Teatr Powszechny (MTD) | Teatr Powszechny (MTD) | Poland, Warsaw | 1946-02-07 | -- | 1946 | 1 | |
| The 73rd Avenue Playhouse | The 73rd Avenue Playhouse | United States of America, Westminster, 7287 Lowell Blvd | 2009-05-08 | 2009-06-14 | 2009 | 1 | |
| Teatrul Alexandru Davila Pitesti | Teatrul Alexandru Davila Pitesti | Romania, Piteşti, Strada Victoriei | 1957-01-12 | -- | 1957 | 1 | |
| Teatro Sociale di Camogli | Teatro Sociale di Camogli | Italy, Camogli, Piazza Giacomo Matteotti, 5 | 2025-01-18 | 2025-01-18 | 2025 | 1 | |
| Trondenes fort | Trondenes fort | Norway, Harstad, Trondenes | 1994-03-21 | -- | 1994 | 1 | |
| The Grand | The Grand | United States of America, Greensboro | 1911-05-02 | 1911-05-02 | 1911 | 1 | |
| Teatro B. Asioli | Teatro B. Asioli | Italy, Asioli, Corso Cavour, 9, 42015 | 2020-04-07 | 2020-04-08 | 2020 | 1 | |
| Three Horseshoes, The | The Three Horseshoes | England, London, 1166 High Road, Whetstone | 2007-06-12 | 2007-06-30 | 2007 | 1 | |
| Teatre Centre Agrícola | Teatre Centre Agrícola | Spain, Sant Sadurní d'Anoia | 1914-03-22 | -- | 1914 | 1 | |
| Teatro Politeama | Teatro Politeama | Italy, Piacenza, Via San Siro, 7 | 1892-05-30 | -- | 1892 | 1 | |
| Teatre de Vilafranca | Teatre de Vilafranca | Spain, Vilafranca del Penedès, Rambla Nostra Senyora, 35 | 2005-04-03 | -- | 2005 | 1 | |
| Trenton | Trenton | United States of America | 1903-03-24 | 1903-03-24 | 1903 | 1 | |
| Teatre Mundet | Teatre Mundet | Spain, Sant Antoni de Calonge, Carrer del Garbí, 1B, 17252 | 2025-03-16 | -- | 2025 | 1 | |
| Teatro Tascabile di Bergamo | Teatro Tascabile di Bergamo | Italy, Bergamo, Via San Lorenzo 12/A | 1996-06-09 | -- | 1996 | 1 | |
| Technical High School Auditorium | Technical High School Auditorium | Canada, Ottawa, Albert Street | 1964-01-25 | -- | 1964 | 1 | |
| Theatre on The Square | Theatre on The Square | South Africa, Sandton (Johannesburg) | 2025-05-14 | 2025-06-07 | 2025 | 1 | |
| Turnhallen | Turnhallen | Norway, Lillesand | 1997-09-21 | -- | 1997 | 1 | |
| Teatar «Salsa i smjah» | Teatar «Salsa i smjah» | Bulgaria, Sofia | 1982-11-24 | -- | 1982 | 1 | |
| Théâtre Nuithonie | Théâtre Nuithonie | Switzerland, Villars-sur-Glâne, Rue du Ctre 7 | 2009-03-05 | 2009-03-06 | 2009 | 1 | |
| TheatreLab@855 | TheatreLab@855 | United States of America, Boston | 2013-12-11 | 2013-12-15 | 2013 | 1 | |
| Théâtre Jean Arp | Théâtre Jean Arp | France, Clamar, 22 Rue Paul Vaillant Couturier | 2008-03-21 | 2008-03-21 | 2008 | 1 | |
| Teatre Espanya | Teatre Espanya | Spain, Barcelona, Gran Via de les Corts Catalanes, 380 | 1917-01-29 | -- | 1917 | 1 | |
| Thessaloniki | Thessaloniki | Greece, Thessaloniki | 1962-03-15 | 1962-05-24 | 1962 | 1 | |
| Theatro Technon | Theatro Technon | Greece, Larisa, Pineiou 9 | 2004-12-17 | 2005-01-30 | 2004 | 1 | |
| Teatr-studiâ "Na Filâh" | Teatr-studiâ "Na Filâh" | Russia, Moscow | 1992-- | -- | 1992 | 1 | |
| Troms Fylkeskultursenter | Troms Fylkeskultursenter | Norway, Tromsø, Strandveien 95 | 1997-11-10 | 1997-11-11 | 1997 | 1 | |
| Teatret | Teatret | Norway, Brevik | 1965-09-13 | -- | 1965 | 1 | |
| The Grand | The Grand | United States of America, Marion | 1908-04-08 | 1908-04-08 | 1908 | 1 | |
| Teatro Félix Petite Antzokia | Teatro Félix Petite Antzokia | Spain, Vitoria-Gasteiz, Landaberde Kalea, 31, 01010 | 2025-02-21 | 2025-02-22 | 2025 | 1 | |
| Théâtre de la Place | Théâtre de la Place | Belgium, Liège, Place de l'Yser 1 | 2009-12-16 | 2009-12-17 | 2009 | 1 | |
| Teatro Fumane | Teatro Fumane | Italy, Fumane, Via V. Ugolini, 3, 37022 Fumane, VR, Italy | 2023-12-09 | -- | 2023 | 1 | |
| Theater De Engelenbak | Theater De Engelenbak | Netherlands, Amsterdam, Nes 71 | 1991-01-11 | -- | 1991 | 1 | |
| Thunder River Theatre Company | Thunder River Theatre Company | United States of America, Carbondale, CO, 67 Promenade, | 2000-04-14 | 2000-04-29 | 2000 | 1 | |
| Teater Innlandet | Teater Innlandet | Norway, 2317 Hamar, Torggata 100 | 2024-02-15 | 2024-02-18 | 2024 | 1 | |
| Teatr Ateneum | Teatr Ateneum | Poland, Warsaw, Stefana Jaracza 2 | 1970-06-28 | -- | 1970 | 1 | |
| Theatro Trianon | Theatro Trianon | Greece, Nafplio, Πλ. Συντάγματος | 2011-11-26 | 2011-11-27 | 2011 | 1 | |
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