| Teatro Circo de Albacete | Teatro Circo de Albacete | Spain, Albacete, Calle de Isaac Peral, s/n | 1925-04-18 | -- | 1925 | 1 | |
| Teatr Ermolovoj | Teatr Ermolovoj (Ermolova Theatre) | Russia, Moscow, Tverskaya St, 5/6 | 1996-03-21 | -- | 1996 | 1 | |
| Teatro Sannazzaro | Teatro Sannazzaro | Italy, Naples, Via Chiaia, 157 | 1893-02-28 | 1895-04-03 | 1893–1899 | 7 | |
| Teatro Comunale Garibaldi | Teatro Comunale Garibaldi | Italy, Santa Maria C. V., Corso Giuseppe Garibaldi, 78 | 2006-02-25 | 2006-02-26 | 2006 | 1 | |
| Teatro Isabel la Católica | Teatro Isabel la Católica | Spain, Granada, Calle Acera del Casino, s/n, | 1919-06-19 | 1919-06-29 | 1919–2016 | 2 | |
| Trøgstad Ungdomsskole | Trøgstad Ungdomsskole | Norway, Trøgstad, Trøgstad | 2005-11-10 | -- | 2005 | 1 | |
| Teatry Dramatyczne | Teatry Dramatyczne | Poland, Poznań | 1958-12-19 | -- | 1958 | 1 | |
| Teatro Nuovo | Teatro Nuovo | Italy, Torino, Corso Massimo d'Azeglio, 17 | 2002-04-09 | 2002-04-21 | 2002 | 1 | |
| Theaterboerderij Het Hek van de Dam | Theaterboerderij Het Hek van de Dam | Netherlands, Ekehaar | 2004-04-03 | 2004-09-11 | 2004 | 1 | |
| The Lyric | The Lyric | United States of America, Vicksburg | 1908-10-10 | 1908-10-10 | 1908 | 1 | |
| Teatro Manzana de Las Luces (Sala Claustro) | Teatro Manzana de Las Luces (Sala Claustro) | Argentina, Buenos Aires, Perú 272 | 1995-09-02 | -- | 1995 | 1 | |
| Théâtre Royal du Parc | Théâtre Royal du Parc | Belgium, Brussels, Rue de la Loi 3 | 1889-03-01 | 2023-06-18 | 1889–2023 | 18 | |
| Trondhjems Katedralskole | Trondhjems Katedralskole | Norway, Trondheim | 1973-10-17 | -- | 1973 | 1 | |
| Teater Druzhba | Teater Druzhba | Georgia, Tbilisi, Gldani-Nadzaladevi | 1990-01-11 | 1990-01-12 | 1990 | 1 | |
| Théâtre de l'Arc-en-Ciel | Théâtre de l'Arc-en-Ciel | France, Rungis, 1 Place du Général de Gaulle | 1999-01-29 | -- | 1999 | 1 | |
| Toronto Actors' Studio | Toronto Actors' Studio | Canada, Toronto | 1972-04-06 | -- | 1972 | 1 | |
| The Germania Theatre | The Germania Theatre | United States of America, St. Louis | 1891-- | 1891-- | 1891 | 1 | |
| Teatro Nacional Dona Maria II | Teatro Nacional Dona Maria II | Portugal, Lisbon, Praça Dom Pedro IV | 2007-11-15 | 2019-10-27 | 2007–2019 | 3 | |
| Theatro Etoual | Theatro Etoual | Greece, Athens, Athens | 1912-10-14 | 1912-11-07 | 1912 | 1 | |
| Theatro Alekton | Theatro Alekton (Alecton Theatre) | Greece | 2010-12-17 | 2011-04-17 | 2010 | 1 | |
| Tennessee Technological University Backdoor Playhouse | Tennessee Technological University Backdoor Playhouse | United States of America, Cookeville, 805 Quadrangle | 2006-11-09 | 2006-11-18 | 2006 | 1 | |
| Teatro Ambra | Teatro Ambra | Italy, Alessandria, Viale Brigata Ravenna, 8, 15121 | 2018-05-18 | -- | 2018 | 2 | |
| Theater Die Komödianten | Theater Die Komödianten | Germany, Kiel, Wilhelminenstraße 43 | 2008-03-05 | 2008-11-22 | 2008 | 1 | |
| Toneelacademie Maastricht | Toneelacademie Maastricht | Netherlands, Maastricht, Lenculenstraat 31-33 | 2002-05-23 | -- | 2002–2004 | 2 | |
| Teater Garasi | Teater Garasi (Teater Garasi / Garasi Performance Institute) | Indonesia, Daerah Istimewa Yogyakarta 55181, Jl. Jomegatan No.164B, RW.RT. 04, Jomegatan, Ngestiharjo, Kec. Kasihan, Kabupaten Bantul | 2020-10-31 | 2020-11-30 | 2020 | 1 | |
| Torino | Torino | Italy, Torino | 1898-08-04 | -- | 1898 | 1 | |
| Teatr Collegium Nobilium | Teatr Collegium Nobilium | Poland, Warsaw | 2007-05-19 | 2007-06-03 | 2007 | 1 | |
| Teatro Nacional Cervantes | Teatro Nacional Cervantes | Argentina, Buenos Aires, Libertad 815 | 2006-10- | 2022-04-03 | 2006–2022 | 2 | |
| Tromsø | Tromsø | Norway, Tromsø | 1898-01-10 | 1999-06-19 | 1898–2015 | 9 | |
| Teatro Studio Melato | Teatro Studio Melato | Italy, Milan, Via Rivoli 6, 20121 | 2022-12-01 | 2022-12-22 | 2022 | 1 | |
| Teatro La Capilla | Teatro La Capilla | Mexico, Ciudad de México,, Calle Madrid 13 (Del Carmen, Coyoacán) | 2019-08-27 | 2023-04-25 | 2019–2023 | 2 | |
| Teatro Coliseu | Teatro Coliseu | Brazil, Santos, Rua Amador Bueno, 237 | 1965-11- | -- | 1965–1969 | 2 | |
| Town Hall | Town Hall | Ireland, Westport | 1980-03-08 | 1980-03-09 | 1980 | 1 | |
| Teatro El Milagro | Teatro El Milagro | Mexico, Juárez, Calle Milan 24 Entre Lucerna, Calle Gral. Prim y, Juárez, Cuauhtémoc, 06600 Ciudad de México, CDMX, Mexico | 2024-07-25 | 2024-08-04 | 2024 | 1 | |
| Theatr Ardudwy | Theatr Ardudwy | Wales, Harlech, Gwynedd | 1993-05-25 | -- | 1993 | 1 | |
| Théatre de la Vie | Théatre de la Vie | Belgium, Brussels, Rue traversière 45 | 2017-01-17 | 2017-01-28 | 2017 | 1 | |
| Teatro Comunale di Cagli | Teatro Comunale di Cagli | Italy, Cagli, Piazza Papa Niccolò IV, 61043 | 1977-11-27 | -- | 1977 | 1 | |
| Theater der Altstadt | Theater der Altstadt | Germany, Stuttgart, Rotebühlstraße 89 | 1992-03-04 | -- | 1992–2014 | 2 | |
| The Auditorium | The Auditorium | United States of America, Winston-Salem | 1905-09-12 | 1909-04-24 | 1905–1909 | 2 | |
| Teatr Polski | Teatr Polski | Poland, Poznań, 27 Grudnia 8/10 | 1882-11-09 | 1971-01-23 | 1882–2008 | 21 | |
| Teatro dei Filarmonici di Ascoli Piceno | Teatro dei Filarmonici di Ascoli Piceno | Italy, Piceno, Via delle Torri, 39, 63100 Ascoli Piceno AP, Italy | 2024-02-24 | 2024-02-24 | 2024 | 1 | |
| Teatro di Roma | Teatro di Roma | Italy, Rome, Largo di Torre Argentina, 52 | 2006-03-14 | 2013-10-27 | 2006–2013 | 2 | |
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