| Throndhjems Theater | Throndhjems Theater | Norway, Trondheim, Prinsens Gate 20 | 1861-11-17 | 1863-11-04 | 1861–1863 | 2 | 1 |
| Teatro de Arena da Guanabara | Teatro de Arena da Guanabara | Brazil, Rio De Janeiro | 1966-05-24 | -- | 1966 | 1 | |
| Teatro da Comuna | Teatro da Comuna | Portugal, Lisbon, Praça de Espanha S/N | 2013-10-30 | 2013-12-22 | 2013 | 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 | |
| Theatro Thessalonikis | Theatro Thessalonikis | Greece, Thessaloniki | 2005-03-11 | 2005-04-24 | 2005 | 1 | |
| Tjarnarbær | Tjarnarbær | Iceland, Reykjavík | 1993-01-29 | -- | 1993 | 1 | |
| Théâtre Boulogne-Billancourt | Théâtre Boulogne-Billancourt | France, Boulogne-Billancourt | 1986-11-14 | 1986-12-21 | 1986 | 1 | |
| Théâtre Nanterre-Amandiers, Grande Salle | Théâtre Nanterre-Amandiers, Grande Salle | France, Nanterre, 7 Avenue Pablo Picasso | 1991-03-05 | 2013-04-27 | 1991–2013 | 2 | |
| Trikkehallen på Kjelsås | Trikkehallen på Kjelsås | Norway, Oslo, Midtoddveien 12 | 2010-06-18 | -- | 2010 | 1 | |
| Teatro Coliseu | Teatro Coliseu | Brazil, Santos, Rua Amador Bueno, 237 | 1965-11- | -- | 1965–1969 | 2 | |
| Teatro Sociale di Soresina | Teatro Sociale di Soresina | Italy, Soresina CR, Via Giuseppe Verdi, 23 | 2000-01-31 | -- | 2000 | 1 | |
| Theaterhaus Köln | Theaterhaus Köln | Germany, Köln (Cologne), Stammstraße 38 | 2003-10-03 | 2004-04-25 | 2003 | 1 | |
| Tammerfors | Tammerfors | Finland, Tammerfors | 1893-04-13 | 1994-- | 1893–1993 | 3 | |
| Teatrul National Bucuresti | Teatrul National Bucuresti | Romania, Bucharest, Bulevardul Nicolae Bălcescu, 2 | 1895-12-09 | 2008-05-16 | 1895–2017 | 46 | |
| Teater Vanemuine | Teater Vanemuine | Estonia, Tartu, Vanemuise 6 | 1996-09-22 | 2004-04-23 | 1996–2006 | 3 | |
| Tulcea | Tulcea | Romania, Tulcea | -- | -- | | | |
| Theater der Stadt Gütersloh | Theater der Stadt Gütersloh | Germany, Gütersloh, Barkeystraße 15 | 2002-03-04 | -- | 2002 | 1 | |
| Theatro Dionysiadou | Theatro Dionysiadou | Greece, Pireus | 1901-05-24 | 1901-08-24 | 1901–1921 | 7 | |
| The Duquesne | The Duquesne | United States, Pittsburgh | 1895-10- | 1908-02-10 | 1895–1908 | 4 | |
| Theater Lantaren/Venster | Theater Lantaren/Venster (Lantaren/Venster) | Netherlands, Rotterdam, Gouvernestraat | 1993-02-13 | -- | 1993 | 1 | |
| Tripoli | Tripoli | Libya, Tripoli | 2013-09-04 | 2013-09-09 | 2013 | 1 | |
| Teatr Adekwatny | Teatr Adekwatny | Poland, Teatr Adekwatny | 1987-02-15 | -- | 1987 | 1 | |
| Théâtre du Château de la ville d'Eu | Théâtre du Château de la ville d'Eu | France, Eu, Place Isabelle d'Orléans | 2018-10-16 | -- | 2018 | 1 | |
| Teatre Joventut | Teatre Joventut | Spain, L'Hospitalet de Llobregat, Carrer Joventut, 4-10 | 2008-11-01 | 2008-11-02 | 2008 | 1 | |
| Theatron, Kentro Politismou "Ellinikos Kosmos", Aithousa Antigoni | "Theatron", Kentro Politismou "Ellinikos Kosmos", Aithousa Antigoni | Greece, Athens | 2012-06-06 | 2012-07-01 | 2012 | 1 | |
| Theater am Franzensplatz | Theater am Franzensplatz | Austria, Graz, Franzensplatz | 1891-10-10 | 1908-11-04 | 1891–1909 | 20 | |
| Teatro Municipal de Lima | Teatro Municipal de Lima | Peru, Lima, Jirón Ica 377 | 1927-01-24 | -- | 1927 | 1 | |
| Tiara Koto | Tiara Koto | Japan, Tokyo, 2 Chome-28-36 Sumiyoshi, Koto | 2006-10-14 | 2006-10-15 | 2006 | 1 | |
| Théâtre de Carouge - Atelier de Genève Salle F. Simon | Théâtre de Carouge - Atelier de Genève Salle F. Simon | Switzerland, Carouge, Rue Ancienne 39 | 2013-10-18 | 2013-10-29 | 2013–2016 | 2 | |
| Thessaloniki | Thessaloniki | Greece, Thessaloniki | 1962-03-15 | 2013-10-12 | 1962–2013 | 2 | |
| Teatro Grande di Brescia | Teatro Grande di Brescia | Italy, Brescia BS, Contrada Bassiche, 32 | 1988-03-09 | -- | 1988 | 1 | |
| Theater in der List | Theater in der List | Germany, Hannover, Spichernstr. 13 | 2019-11-07 | 2019-11-09 | 2019 | 1 | |
| Toruń | Toruń | Poland, Toruń | 2008-05-25 | -- | 2008 | 1 | |
| Teatro Rossini | Teatro Rossini | Switzerland, Lugano | 1893-01-24 | -- | 1893 | 1 | |
| Theater der Künste | Theater der Künste | Switzerland, Zürich, Gessnerallee 13 | 2009-06-22 | -- | 2009 | 1 | |
| Teatr Studio | Teatr Studio | Ukraine, Kiev | 1916-11-09 | 1916-11-17 | 1916–1917 | 2 | |
| Teatrul Naţional Iasi | Teatrul Naţional Iasi | Romania, Iaşi, Str. Agatha Bârsescu nr. 18 | 1894-04-07 | 2017-05-20 | 1894–2018 | 42 | |
| Trenton | Trenton | United States | 1903-03-24 | 1903-03-24 | 1903 | 1 | |
| Theater aan Zee (Café Zottekot) | Theater aan Zee (Café Zottekot) | Belgium, Oostende, Hendrik Serruyslaan 18a | 2001-07-29 | 2001-08-04 | 2001–2008 | 2 | |
| Théâtre National de Belgique | Théâtre National de Belgique | Belgium, Brussels, Boulevard Emile Jacqmain 111 | 1984-03-21 | 2016-12-23 | 1984–2016 | 7 | |
| Teatro El Sauzal, | Teatro El Sauzal, | Spain, Santa Cruz de Tenerife, Canarias, C/ Constitución núm. 3, | 2019-04-26 | -- | 2019 | 1 | |
| Teatro São Pedro | Teatro São Pedro | Brazil, Porto Alegre, Praça Mal. Deodoro - Centro | 1952-08-31 | -- | 1952–1989 | 2 | |
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