| Teatrul Municipal din Baia-Mare | Teatrul Municipal din Baia-Mare | Romania, Baia-Mare, Strada Crișan, Nr. 8 | 1969-12-23 | 1970-- | 1969–2015 | 6 | |
| Theatre Four | Theatre Four | United States, New York, 424 West 55th Street | 1963-02-02 | -- | 1963 | 1 | |
| Thatcher Opera House | Thatcher Opera House | United States, Logan | 1905-10-11 | 1905-10-11 | 1905 | 1 | |
| TV teatern on Swedish Radio (Sweden) | TV teatern on Swedish Radio (Sweden) | Sweden | 1961-01-27 | -- | 1961 | 1 | |
| Theater Oberhausen | Theater Oberhausen | Germany, Oberhausen, Will-Quadflieg-Platz 1 | 1972-12-05 | 2018-05-05 | 1972–2018 | 17 | |
| Televisión Española (TVE) | Televisión Española (TVE) | Spain | 1964-07-22 | -- | 1964–2002 | 15 | |
| Teatro Il Rivellino | Teatro Il Rivellino | Italy, Tuscania, Piazza F. Basile 5, Provincia di Viterbo | 2008-02-01 | -- | 2008 | 1 | |
| Théâtre Simone Signoret | Théâtre Simone Signoret | France, Conflans-Sainte-Honorine, 12 Rue Auguste Romagne | 2012-03-20 | -- | 2012 | 1 | |
| Telemark Teater | Telemark Teater | Norway, Skien, Hollenderigata | 1978-02-07 | -- | 1978–1987 | 3 | |
| Theatre Royal | Theatre Royal Plymouth | England, Plymouth, Royal Parade | 1993-05-11 | 2017-10-07 | 1993–2017 | 3 | |
| Teatro César Cava | Teatro César Cava | Brazil, São Paulo, Presidente Prudente | 2009-08-26 | -- | 2009 | 1 | |
| Teatro Municipal Pedro Munoz Seca | Teatro Municipal Pedro Munoz Seca | Spain, El Puerto de Santa María, Calle de la Nevería, 48 | 2010-02-26 | -- | 2010 | 1 | |
| Tromstun skole | Tromstun skole | Norway, Tomasjord, Tellusveien 1 | 1975-12-04 | 1976-01-16 | 1975 | 1 | |
| Teatro Principal de San Sebastián | Teatro Principal de San Sebastián | Spain, Donostia-San Sebastian, Calle Mayor, 3, | 1965-04-25 | -- | 1965 | 1 | |
| Theater Mausefalle Solothurn | Theater Mausefalle Solothurn | Switzerland, Zuchwil, Allmendweg 8 | 2007-05-18 | 2007-05-30 | 2007 | 1 | |
| Theater auf der Werft, Papenburg | Theater auf der Werft, Papenburg | Germany, Papenburg | 2010-04-09 | -- | 2010 | 1 | |
| Teatro Olmetto | Teatro Olmetto | Italy, Milan | 1990-03-05 | -- | 1990 | 1 | |
| Theatre Royal | Theatre Royal | England, Nottingham, Theatre Square | 2018-02-05 | 2018-02-10 | 2018 | 1 | |
| The Grand | The Grand | United States, Atlanta | 1906-12-27 | 1906-12-27 | 1906 | 1 | |
| Teatro Nuovo | Teatro Nuovo | Italy, Milan, Piazza San Babila | 1941-01-15 | 1993-03-31 | 1941–1993 | 2 | |
| Teatr Nowy | Teatr Nowy | Poland, Kraków, Gazowa 21 | 2009-01-16 | -- | 2009 | 1 | |
| Teatre Principal | Teatre Principal | Spain, Olot, Girona, Passeig d'en Blay, 5 | 2008-10-10 | -- | 2008 | 1 | |
| Theatre Lobby | Theatre Lobby | United States, Washington D.C. | 1963-06-04 | 1966-07-16 | 1963–1967 | 3 | |
| Thesbiteateret | Thesbiteateret | Norway, Tønsberg, Nordlysveien 4 c, 3113 Tønsberg | 1978-03-01 | -- | 1978 | 1 | |
| Teatro Arriaga Antzokia | Teatro Arriaga Antzokia | Spain, Bilbao, Plaza Arriaga, 1 | 2011-03-03 | 2012-03-17 | 2011–2012 | 4 | |
| Theatro Olympia | Theatro Olympia | Greece, Chania, Crete | 1939-04-24 | 1939-04-25 | 1939 | 1 | |
| Teatro Taib | Teatro Taib | Brazil, São Paulo | 1988-03- | -- | 1988 | 1 | |
| Trondheim Torg | Trondheim Torg | Norway, Trondheim, Kongens gate 9 | 2004-11-06 | 2004-11-13 | 2004 | 1 | |
| Theatro Enten | Theatro Enten | Greece, Thessaloniki | 1914-01-06 | -- | 1914 | 1 | |
| Theatro Alampra | Theatro Alampra | Egypt, Alexandria | 1910-10-12 | 1939-12-12 | 1910–1945 | 4 | |
| Theatre Royal | Theatre Royal | England, Portsmouth | 1897-10-29 | -- | 1897 | 1 | |
| Trondhjems Katedralskole | Trondhjems Katedralskole | Norway, Trondheim | 1973-10-17 | -- | 1973 | 1 | |
| Theater B, University of Iowa | Theater B, University of Iowa | United States, Iowa City, Jessup Hall | 2005-10-13 | 2005-10-23 | 2005 | 1 | |
| Theater in der Stadthalle | Theater in der Stadthalle | Germany, Neumünster, Kleinflecken 1 | 2001-03-08 | -- | 2001–2013 | 4 | |
| Teatro Fossati | Teatro Fossati | Italy, Milan | 1903-06-13 | 1905-05-10 | 1903–1905 | 2 | |
| Teatro Apollo | Teatro Apollo | Italy, Genova | 1893-04-20 | -- | 1893 | 1 | |
| Turnhallen | Turnhallen | Norway, Lillesand | 1997-09-21 | -- | 1997 | 1 | |
| Theatro Akropolis | Theatro Akropolis | Greece, Thessaloniki | 1929-09-13 | -- | 1929 | 1 | |
| Théâtre National du Palais de Chaillot | Théâtre National du Palais de Chaillot | France, Paris, 1 Place du Trocadéro et du 11 Novembre | 1958-02-05 | -- | 1958 | 1 | |
| Trafalgar Studios | Trafalgar Studios | England, London, 14 Whitehall | 2013-12-17 | 2014-03-22 | 2013–2014 | 2 | |
| Teatr Bagatela | Teatr Bagatela | Poland, Kraków, ul. Karmelicka 6 | 1922-01-16 | -- | 1922–1925 | 4 | |
| Teatro Carlos Lazo | Teatro Carlos Lazo | Mexico, Ciudad de México, D.F, Interior Facultad de Arquitectura, Escolar SN, Ciudad Universitaria, Coyoacán | 1995-11-16 | 2006-10-26 | 1995–2006 | 3 | |
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