| Theagovia Theater | Theagovia Theater | Switzerland, Weinfelden | -- | -- | | | |
| Teatersalen | Teatersalen | Norway, Båtsfjord, Båtsfjord | -- | -- | | | |
| Târgovişte | Târgovişte | Romania, Târgovişte | -- | -- | | | |
| The Cambridge Theatre | The Cambridge Theatre | England, Cambridge, 6 St Edward's Passage | -- | -- | | | |
| Toneelgroep Theater | Toneelgroep Theater, Stadsschouwburg Nijmegen | Netherlands, Amsterdam, Marnixstraat 427 | -- | -- | | | |
| Théâtre de la Grange | Théâtre de la Grange | France, Brive-la-Gaillarde, 12 Rue René Glangeaud, | -- | -- | | | |
| Theater Malpertuis | Theater Malpertuis | Belgium, Knokke-Heist | -- | -- | | | |
| Theater Studio | Theater Studio | Russia | -- | -- | | | |
| The Hague | The Hague | Netherlands, The Hague | -- | -- | | | |
| Turnişor | Turnişor | Romania, Sibiu | -- | -- | | | |
| Tigheci | Tigheci | Moldova, Tigheci | -- | -- | | | |
| Teatro de Estudantes | I Festival de Teatro de Estudantes | Brazil, Recife | 1958-03-24 | -- | 1958 | 1 | |
| The Magenta Giraffe Theatre Company | The Magenta Giraffe Theatre Company | United States, Detroit, 1301 W Lafayette Blvd | 2011-09-16 | 2011-10-08 | 2011 | 1 | |
| Teatro Guararapes | Teatro Guararapes | Brazil, Recife, Av. Prof. Andrade Bezerra | 1989-05- | -- | 1989 | 1 | |
| The Black Swan | The Black Swan | United States, Ashland, Corner of E Main And Pioneer St | 1999-03-31 | 1999-10-31 | 1999 | 1 | |
| Tapolca | Tapolca | Hungary, Tapolca | 1925-02-07 | -- | 1925 | 1 | |
| Teatro Principe di Napoli | Teatro Principe di Napoli | Italy, Catania | 1907-10-14 | -- | 1907 | 1 | |
| Theater de Kunstgreep | Theater de Kunstgreep | Netherlands, Oostzaan, Kerkbuurt 4, | 2012-03-08 | -- | 2012 | 1 | |
| Theatre Royal Stratford East | Theatre Royal Stratford East | England, London, Gerry Raffles Square | 1954-06-01 | -- | 1954 | 1 | |
| Trossnäs lägerplats | Trossnäs lägerplats | Sweden, Trossnäs | 1911-06-30 | -- | 1911 | 1 | |
| Theater Stok | Theater Stok | Switzerland, Zürich, Hirschengraben 42 | 2009-11-25 | 2009-12-06 | 2009 | 1 | |
| Teatr Popularny | Teatr Popularny | Poland, Warsaw, Jana Zamoyskiego 20 | 1979-12-08 | -- | 1979 | 1 | |
| Theatro Amore | Theatro Amore | Greece, Athina, Prigkiponnison 2 | 1994-03-16 | 1994-04-24 | 1994 | 1 | |
| Teatro Apollo | Teatro Apollo | Italy, Genova | 1893-04-20 | -- | 1893 | 1 | |
| Turteatern | Turteatern | Sweden, Johanneshov, Lågskärsvägen 13 | 2018-11-29 | 2018-12-31 | 2018 | 1 | |
| Trondenes fort | Trondenes fort | Norway, Harstad, Trondenes | 1994-03-21 | -- | 1994 | 1 | |
| Teatro São Jorge | Teatro São Jorge | Brazil, Rio de Janeiro | 1961-03-04 | -- | 1961 | 1 | |
| Teatro Villa de Molina | Teatro Villa de Molina | Spain, Murcia, Carretera del Chorrico, 10 | 2010-03-13 | -- | 2010 | 1 | |
| Tjarnarbær | Tjarnarbær | Iceland, Reykjavík | 1993-01-29 | -- | 1993 | 1 | |
| Teatro Villa dei Leoni | Teatro Villa dei Leoni | Italy, Mira (VE), Riviera Silvio Trentin 3 | 2008-02-09 | -- | 2008 | 1 | |
| Theatro Nea Skini | Theatro Nea Skini | Greece, Thessaloniki | 1918-06-24 | -- | 1918 | 1 | |
| Théâtre en Dracénie | Théâtre en Dracénie | France, Draguignan, Boulevard Georges Clemenceau | 2012-03-24 | -- | 2012 | 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 | |
| Teatro El Granero | Teatro El Granero | Mexico, Mexico City, Av. Paseo de la Reforma y Campo Marte S/N, Auditorio Nacional, Bosque de Chapultepec I, Miguel Hidalgo | 2006-05-25 | 2006-07-02 | 2006 | 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 | |
| Teatr Polski | Teatr Polski | Poland, Szczecin, Swarożyca 5 | 2007-09-15 | -- | 2007 | 1 | |
| Teatro Taib | Teatro Taib | Brazil, São Paulo | 1988-03- | -- | 1988 | 1 | |
| Theatro Kappa | Theatro Kappa | Greece, Athens, 2 Kypselis Street | 2004-11-12 | 2005-02-06 | 2004 | 1 | |
| Torsby | Torsby | Sweden, Torsby | 1993-10-03 | -- | 1993 | 1 | |
| Théâtre de la Ville Aoste | Théâtre de la Ville Aoste | Italy, Aosta, Rue Xavier de Maistre, 21, | 2004-03-22 | -- | 2004 | 1 | |
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