| Teatro San Carlo | Teatro San Carlo | Italy, Naples, Via San Carlo, 98 | 1921-12-03 | -- | 1921 | 1 | |
| Teatr Soveta Sojuzov | Teatr Soveta Sojuzov | Russia, Samara | 1921-11- | -- | 1921 | 1 | |
| Théâtre Jean Arp | Théâtre Jean Arp | France, Clamar, 22 Rue Paul Vaillant Couturier | 2008-03-21 | 2008-03-21 | 2008 | 1 | |
| Tjodalyng ungdomsskole | Tjodalyng ungdomsskole | Norway, Tjodalyng, 3280 Tjodalyng | 2007-01-11 | -- | 2007 | 1 | |
| Toronto Actors' Studio | Toronto Actors' Studio | Canada, Toronto | 1972-04-06 | -- | 1972 | 1 | |
| Teatr Miejski w Płocku | Teatr Miejski w Płocku | Poland, Płock | 1924-12-04 | -- | 1924 | 1 | |
| Tacoma Little Theatre | Tacoma Little Theatre | United States, Tacoma, 210 N I St | 2019-01-25 | 2019-02-10 | 2019 | 1 | |
| Teatr Popularny | Teatr Popularny | Poland, Grudziądz | 1960-07-02 | -- | 1960 | 1 | |
| Torņakalna Palīdzības biedrībā | Torņakalna Palīdzības biedrībā | Latvia, Riga, 6 Altonavas iela | 1907-10-14 | -- | 1907 | 1 | |
| Teatro di Torino | Teatro di Torino | Italy, Torino | 1928-10-11 | -- | 1928 | 1 | |
| Teatret i Asnæs | Teatret i Asnæs | Denmark, Asnæs | 1907-12-05 | -- | 1907 | 1 | |
| Teatro Politeama Duca di Genova | Teatro Politeama Duca di Genova | Italy, La Spezia | 1899-05-03 | -- | 1899 | 1 | |
| Theatro Etoual | Theatro Etoual | Greece, Athens, Athens | 1912-10-14 | 1912-11-07 | 1912 | 1 | |
| Thunder River Theatre Company | Thunder River Theatre Company | United States, Carbondale, CO, 67 Promenade, | 2000-04-14 | 2000-04-29 | 2000 | 1 | |
| Theatre Royal | Theatre Royal | England, Halifax, Southgate | 1910-05-02 | -- | 1910 | 1 | |
| Theatro Ena | Theatro Ena | Cyprus, Nicosia, 4 Athinas Avenue | 2003-04-11 | -- | 2003 | 1 | |
| Teatro di Treviglio | Teatro di Treviglio | Italy, Treviglio | 1893-10-17 | -- | 1893 | 1 | |
| Teatrul de Mişcare Studio M | Teatrul de Mişcare Studio M | Romania, Sfântu Gheorghe, Szabadság tér 1. sz. | 2016-02-16 | -- | 2016 | 1 | |
| Teatro della Società | Teatro della Società | Italy, Lecco, Piazza Giuseppe Garibaldi 10 | 2001-02-13 | 2001-02-14 | 2001 | 1 | |
| Trinity Street Players | Trinity Street Theatre | United States, Austin, 901 Trinity Street | 2019-06-21 | 2019-07-13 | 2019 | 1 | |
| Theatre of Beijing Broadcasting Institute | Theatre of Beijing Broadcasting Institute | China, Beijing, 1 Dingfuzhuang E St, Chaoyang | 2006-05-14 | -- | 2006 | 1 | |
| Teatro Palenque | Teatro Palenque | Spain, Talavera de la Reina, Calle de Palenque, 0 | 2010-02-21 | -- | 2010 | 1 | |
| Tanz-Forum | Tanz-Forum | Germany, Köln, Düppelstraße 5 | 1993-01-17 | 1994-03-31 | 1993 | 1 | |
| Teatro di Locarno | Teatro di Locarno | Switzerland, Locarno, Via della Pace 5 | 2006-04-04 | 2006-04-06 | 2006 | 1 | |
| Theater der Bergarbeiter | Theater der Bergarbeiter | Germany, Senftenberg, Theaterpassage 1 | 1987-11-06 | -- | 1987 | 1 | |
| Teatro di Verdura | Teatro di Verdura | Italy, Palermo, Viale del Fante | 1980-07-20 | -- | 1980 | 1 | |
| Tao Tao Theatre | Tao Tao Theatre | China, Nanjing, Yanlin Alley | 1935-01-01 | 1935-01-03 | 1935 | 1 | |
| Teatrul Alexandru Davila Pitesti | Teatrul Alexandru Davila Pitesti | Romania, Piteşti, Strada Victoriei | 1957-01-12 | -- | 1957 | 1 | |
| Teatro Abel | Teatro Abel | Brazil, Niterói, Rua Mário Alves, 2 - Icaraí | 1997-08- | -- | 1997 | 1 | |
| Theater Marl | Theater Marl | Germany, Marl, Am Theater 1 | 2008-01-31 | -- | 2008 | 1 | |
| The Heritage Center | The Heritage Center | United States, Morrisville, 635 North Delmorr Ave | 2000-09-15 | 2000-10-01 | 2000 | 1 | |
| Teatro Giuseppe Verdi | Teatro Giuseppe Verdi | Italy, Padua, Via dei Livello, 32 | 2003-05-06 | 2003-05-11 | 2003 | 1 | |
| Theater Euskirchen | Theater Euskirchen | Germany, Euskirchen, Hochstraße 25 | 2004-02-29 | -- | 2004 | 1 | |
| Teatre Principal de Figueras | Teatre Principal de Figueras | Spain, Figueras, Plaça Gala-Salvador Dalí, 5 | 1909-- | -- | 1909 | 1 | |
| Teatret Om | Teatret Om | Denmark, Ringkøbing, Buen 15 | 2013-09-21 | -- | 2013 | 1 | |
| Theatro Pallas | Theatro Pallas | Greece, Athens | 1939-10-03 | 1939-10-18 | 1939 | 1 | |
| Tsjernigivs'kij molodizjnij teatr Vistavi | Tsjernigivs'kij molodizjnij teatr Vistavi | Ukraine, Tsjernihiv | 2004-10-01 | -- | 2004 | 1 | |
| Teatro delle Saline | Teatro delle Saline | Italy, Cagliari, Piazzetta Billy Sechi n. 3/4 | 2021-10-26 | 2021-10-29 | 2021 | 1 | |
| Theatro Porta | Theatro Porta | Greece, Athens | 2012-06-14 | 2012-10-07 | 2012 | 1 | |
| Theater-AG, Kooperative Gesamtschule Bad Bergzabern | Theater-AG, Kooperative Gesamtschule Bad Bergzabern | Germany, Bad Bergzabern | 1984-11-08 | 1984-11-09 | 1984 | 1 | |
| The Broadwater | The Broadwater, Main stage | United States | 2023-06-08 | 2023-06-25 | 2023 | 1 | |
| Theatro Alekton | Theatro Alekton | Greece | 2010-12-17 | 2011-04-17 | 2010 | 1 | |
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