| Teatr Nowy | Teatr Nowy | Poland, Łódź, ul. Zachodnia 93 | 1963-04-06 | 1971-01-21 | 1963–1983 | 5 | |
| Teatr Miejski | Teatr Miejski | Poland, Kalisz | 1904-11-29 | 1906-10-21 | 1904–1907 | 5 | |
| Teatern i Lund | Teatern i Lund | Sweden, Lund | 1876-03-24 | 1897-02-18 | 1876–1897 | 5 | |
| Theater de Veste | Theater de Veste | Netherlands, Delft, Asvest 1 | 1997-01-24 | -- | 1997–2017 | 6 | |
| Theatro Odeion | Theatro Odeion | Turkey, Istanbul | 1899-03-11 | 1905-03-21 | 1899–1909 | 6 | |
| Tavistock Little Theatre | Tavistock Little Theatre | England, London, Tavistock Square, Bloomsbury | 1933-05-05 | 1938-05-07 | 1933–1938 | 6 | |
| Teatro Metastasio | Teatro Metastasio | Italy, Prato, Via Cairoli n.59 | 1977-01-05 | 2024-03-24 | 1977–2024 | 6 | |
| Theater Kikker | Theater Kikker | Netherlands, Utrecht, Ganzenmarkt 14 | 2002-05-08 | 2017-03-24 | 2002–2017 | 6 | |
| Theatro Apollon | Theatro Apollon | Greece, Athens | 1921-10-09 | 1928-03-14 | 1921–1928 | 6 | |
| Teatre Shahr | Teatre Shahr | Iran, Tehran, Enghelab St | 2006-04-09 | 2011-01-12 | 2006–2011 | 6 | |
| Teatr Wielki | Teatr Wielki | Poland, Warsaw, Plac Teatralny 1 | 1882-03-10 | 2024-11-08 | 1882–2024 | 6 | |
| Teatrul Municipal Bacovia | Teatrul Municipal Bacovia | Romania, Bacău, Strada Iernii 7 | 1976-12-29 | 2015-05-10 | 1976–2016 | 6 | |
| Teatr Narodowy | Teatr Narodowy | Poland, Warsaw, Plac Teatralny 3 | 1926-05-28 | 2009-06-10 | 1926–2019 | 6 | |
| Theatret i Frederikshavn | Theatret i Frederikshavn | Denmark, Frederikshavn | 1883-10-17 | -- | 1883–2018 | 6 | |
| Theatro Apollon | Theatro Apollon (Apollo Theater) | Greece, Ermoupoli, Syros, Siros Ermoupoli 841 00 | 1901-04-22 | 2012-02-05 | 1901–2012 | 6 | |
| Teatro Gerbino | Teatro Gerbino | Italy, Torino | 1889-02-15 | 1894-01-10 | 1889–1898 | 6 | |
| Teatro Lirico | Teatro Lirico | Italy, Milan, Via Larga, 14, 20121 | 1904-06-10 | 1928-11-16 | 1904–1977 | 6 | |
| Theatre Royal | Theatre Royal | England, Bath, Sawclose | 1909-05-03 | 2021-05-22 | 1909–2021 | 6 | |
| Teatr im. Stefana Jaracza | Teatr im. Stefana Jaracza | Poland, Olsztyn, 1 Maja 4 | 1958-01-16 | -- | 1958–2014 | 6 | |
| Theatret i Fredrikshald | Theatret i Fredrikshald | Norway, Halden | 1878-10-24 | 1880-03-07 | 1878–1904 | 6 | |
| Tysværtunet kulturhus | Tysværtunet kulturhus | Norway, Aksdal, Aksdalsvegen 157 | 2006-09-15 | 2015-09-24 | 2006–2017 | 6 | |
| Theatro Ekati | Theatro Ekati | Greece, Athina, Ekatis 11, Athina 113 64, Hellas | 2010-02-12 | 2023-12-30 | 2010–2025 | 6 | |
| Teatrul Maria Filotti Brăila | Teatrul Maria Filotti Brăila | Romania, Brăila, Str. Mihai Eminescu, nr. 2 | 1966-03-23 | 2010-10-17 | 1966–2010 | 6 | |
| Teatrul Liric | Teatrul Liric | Romania, Bucharest, Piaţa Walter Mărăcineanu | 1897-11- | 1908-02-03 | 1897–1920 | 6 | |
| Teatro Piccinni | Teatro Piccinni | Italy, Bari | 1973-03-22 | 2006-10-22 | 1973–2006 | 6 | |
| Teatrul Odeon | Teatrul Odeon (Comedy Theater) | Romania, Bucharest, Cal. Victoriei, 40-42 | 1988-11-27 | 2016-04-01 | 1988–2017 | 6 | |
| Teatrul Municipal din Baia-Mare | Teatrul Municipal din Baia-Mare | Romania, Baia-Mare, Strada Crișan, Nr. 8 | 1969-12-23 | 1970-- | 1969–2015 | 6 | |
| Teatro Ghione | Teatro Ghione | Italy, Rome, Via delle Fornaci | 1984-11-20 | 1999-03- | 1984–1999 | 6 | |
| Trieste | Trieste | Italy, Trieste | 1895-05-15 | -- | 1895–1952 | 6 | |
| Teatr Rozmaitości | Teatr Rozmaitości | Poland, Warsaw, Marszałkowska 8 | 1899-04-24 | 1916-01-20 | 1899–1963 | 6 | |
| Teatro Eslava | Teatro Eslava | Spain, Madrid | 1917-04-27 | 1919-05-02 | 1917–1961 | 6 | |
| Theater for the New City | Theater for the New City | United States of America, New York, 155 1st Ave | 1998-02-17 | 2022-10-08 | 1998–2022 | 6 | |
| Teatr Polski | Teatr Polski | Poland, Wrocław, Gabrieli Zapolskiej 3 | 1986-11-16 | 2018-12-16 | 1986–2018 | 6 | |
| Theater Freiburg | Theater Freiburg | Germany, Freiburg, Bertoldstr. 46 | 1966-05-16 | 2008-07-11 | 1966–2015 | 6 | |
| Teatro Principal de Alicante | Teatro Principal de Alicante | Spain, Alicante, Plaza del Ruperto Chapí | 2001-02-17 | 2024-11-21 | 2001–2024 | 6 | |
| Teatro Español | Teatro Español | Spain, Madrid, Calle del Príncipe, 25 | 1892-03-29 | 2007-11-04 | 1892–2007 | 6 | |
| Theater in der Königgrätzer Straße | Theater in der Königgrätzer Straße | Germany, Berlin, Stresemannstraße 29-29a | 1912-12-04 | 1913-05-14 | 1912–1920 | 6 | |
| The Questors Theatre | The Questors Theatre | England, London, 12 Mattock Ln | 1938-01- | 2018-05-26 | 1938–2018 | 7 | |
| Teatro Carcano | Teatro Carcano | Italy, Milan, Corso di Porta Romana, 63 | 1898-11-22 | 2022-12-21 | 1898–2022 | 7 | |
| Theatro Dionysiadou | Theatro Dionysiadou (Dionysiadou theater) | Greece, Pireus | 1901-05-24 | 1901-08-24 | 1901–1921 | 7 | |
| Theatro Apollon | Theatro Apollon (Apollon Theatre) | Greece, Patra, Platia Georgiou A | 1897-01-25 | 1999-04-04 | 1897–1999 | 7 | |
| Turun Kaupunginteatteri | Turun Kaupunginteatteri | Finland, Turku, Östra Strandgatan 14 | 1931-- | 2008-04-12 | 1931–2007 | 7 | |
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