| Tammerfors | Tammerfors | Finland, Tammerfors | 1893-04-13 | 1994-- | 1893–1993 | 3 | |
| Theatre Royal | Theatre Royal | Australia, Hobart, 29 Campbell Street | 1891-10-14 | 1971-04-24 | 1891–1971 | 3 | |
| Teatro Fraschini | Teatro Fraschini | Italy, Pavia, Via Strada Nuova, 136 | 1985-02-21 | 2001-02-25 | 1985–2001 | 3 | |
| Tveten ungdomsskole | Tveten ungdomsskole | Norway, Porsgrunn | 2005-10-20 | 2005-10-21 | 2005–2006 | 3 | |
| Theater am Haidplatz | Theater am Haidplatz | Germany, Regensburg, Haidplatz 3 | 1995-05-28 | 2008-12-22 | 1995–2008 | 3 | |
| Theatre Royal | Theatre Royal Plymouth | England, Plymouth, Royal Parade | 1993-05-11 | 2017-10-07 | 1993–2017 | 3 | |
| The Octagon Theatre | The Octagon Theatre | England, Bolton, Howell Croft S | 1973-05-29 | 2015-10-31 | 1973–2015 | 3 | |
| Teatro Olimpia | Teatro Olimpia | Italy, Milan, Foro Buonaparte 74 | 1921-11-16 | -- | 1921 | 3 | |
| Theater Junge Generation | Theater Junge Generation | Germany, Dresden, Meißner Landstraße 4 | 1995-03-10 | -- | 1995–2002 | 3 | |
| Teatrul Tineretului Piatra-Neamt | Teatrul Tineretului Piatra-Neamt | Romania, Piatra Neamț, Piața Ștefan cel Mare 1 | 1966-01-30 | 1985-11-18 | 1966–1985 | 3 | |
| Théâtre Maxime Gorki | Théâtre Maxime Gorki | France, Le Petit-Quevilly, Rue François Mitterrand | 1973-10-29 | 2005-01-27 | 1973–2005 | 3 | |
| The Cockpit Theatre | The Cockpit Theatre | England, London, Gateforth St | 2012-04-17 | 2018-04-28 | 2012–2018 | 3 | |
| Teatro Auditorium | Teatro Auditorium | Italy, Trieste, Via di Tor Bandena, 34121 | 1968-02-08 | 1976-03-28 | 1968–1976 | 3 | |
| Theatro Olympia | Theatro Olympia | Greece, Pyrgos | 1912-09-02 | -- | 1912–1916 | 3 | |
| Teatrul Naţional Timisoara | Teatrul Naţional Timisoara | Romania, Timişoara, Strada Mărăşeşti 2 | 1956-12-22 | -- | 1956–1978 | 3 | |
| The Torch Theatre | The Torch Theatre | England, London, 37 Wilton Place | 1938-11-18 | 1945-09-09 | 1938–1947 | 3 | |
| Teatre Monumental | Teatre Monumental | Spain, Mataró, Carrer de la Riera, 169 | 1994-02-04 | 1998-03-15 | 1994–2008 | 3 | |
| Teatro Albéniz | Teatro Albéniz | Spain, Madrid, Calle de la Paz, 11 | 1994-03-16 | 2006-10-29 | 1994–2006 | 3 | |
| Théâtre Marigny | Théâtre Marigny | France, Paris, Carré Marigny | 1909-02-27 | 2003-11-09 | 1909–2003 | 3 | |
| Teatro dei Rozzi | Teatro dei Rozzi | Italy, Siena, Piazza Indipendenza, 15 | 1893-03-22 | -- | 1893–2016 | 3 | |
| Theatro Avlaia | Theatro Avlaia | Greece, Thessaloniki | 1968-03-05 | 2002-02-10 | 1968–2002 | 3 | |
| Teatro Fabbricone | Teatro Fabbricone | Italy, Prato, Via Ferdinando Targetti, 12 | 1975-03-18 | 1975-03-27 | 1975–2002 | 3 | |
| Theatro Amalia | Theatro Amalia (Theater Amalia) | Greece, Thessaloniki | 1988-12-23 | 2007-01-07 | 1988–2006 | 3 | |
| Teatro Verdi | Teatro Verdi | Italy, Trieste, Riva Tre Novembre n, 1, 34121 | 1908-02-29 | 2007-12-09 | 1908–2007 | 3 | |
| Teatro Comunale | Teatro Comunale | Italy, Monfalcone, Corso del Popolo, 20 | 1999-01-12 | 2017-01-18 | 1999–2017 | 3 | |
| Theatro Nea Skini | Theatro Nea Skini (New Stage) | Greece, Athens, Agiou Konstantinou 22 | 1903-06-12 | 1907-10-03 | 1903–1907 | 3 | |
| Théâtre de la Foudre | Théâtre de la Foudre | France, Petit-Quevilly, Rue François Mitterrand | 2005-01-11 | 2009-11-22 | 2005–2009 | 3 | |
| Tonstad | Tonstad | Norway, Tonstad | 1991-09-25 | -- | 1991–2004 | 3 | |
| Teatro Donizetti | Teatro Donizetti | Italy, Bergamo, Piazza Cavour, 15 | 1974-02-16 | -- | 1974–1994 | 3 | |
| Theatret i Tønsberg | Theatret i Tønsberg | Norway, Tønsberg | 1883-12-05 | -- | 1883–1907 | 3 | |
| Teatro Avenida | Teatro Avenida | Mozambique, Maputo, Rua da Radio | 2006-04-06 | 2017-09- | 2006–2017 | 3 | |
| Theatersaal des Krystall-Palast | Theatersaal des Krystall-Palast | Germany, Leipzig | 1894-03-15 | 1898-03-04 | 1894–1898 | 3 | |
| The Grand | The Grand | United States of America, Atlanta | 1903-10-20 | 1908-10-05 | 1903–1908 | 3 | |
| Teatro Principal de Zaragoza | Teatro Principal de Zaragoza | Spain, Zaragoza, Plaza de José Sinués y Urbiola, 2 | 1902-10-04 | -- | 1902–2018 | 3 | |
| Theater Lüneburg | Theater Lüneburg | Germany, Lüneburg, An den Reeperbahnen 3 | 2001-09-28 | 2008-03-20 | 2001–2008 | 3 | |
| Theater der Hansestadt Stralsund | Theater der Hansestadt Stralsund | Germany, Stralsund, Olof-Palme-Platz 6 | 1991-05-25 | -- | 1991–2005 | 3 | |
| Teatr Powszechny | Teatr Powszechny | Poland, Łódź, Legionów 21 | 1960-05-07 | 2016-04-23 | 1960–2016 | 3 | |
| Teatro Gobetti | Teatro Gobetti | Italy, Torino, Via Gioacchino Rossini, 8 | 1975-02-07 | 1975-05-14 | 1975 | 3 | |
| T.B. Sheldon Performing Arts Theatre | T.B. Sheldon Performing Arts Theatre | United States of America, Red Wing, 443 West 3rd Street | 2009-04-04 | -- | 2009–2013 | 3 | |
| Teatro Morlacchi | Teatro Morlacchi | Italy, Perugia, Piazza Morlacchi 13 | 2001-12-04 | 2006-01-22 | 2001–2006 | 3 | |
| Theatro Pallas | Theatro Pallas | Greece, Thessaloniki | 1939-05-08 | 1940-05-31 | 1939–1940 | 3 | |
| Theater aan de Schie | Theater aan de Schie | Netherlands, Schiedam, Stadserf 1 | 2001-12-18 | -- | 2001–2017 | 3 | |
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