| Trøndelag Teater | Trøndelag Teater | 1938 – 2018 | 4440 | 74 |
| Teater Ibsen | Teater Ibsen | 1992 – 2020 | 3128 | 17 |
| Teatret Vart | Teatret Vårt (Teatret Vart) | 1974 – 2019 | 552 | 8 |
| Teatro San Martín | Teatro San Martín | 2001 | 6 | 6 |
| Teatrino Clandestino | Teatrino Clandestino | 1999 – 2002 | 75 | 5 |
| Theatergruppe der Kantonsschule Hottingen | Theatergruppe der Kantonsschule Hottingen | 2006 | 10 | 5 |
| Theater Pforzheim | Theater Pforzheim | 2004 | 4 | 4 |
| Teatro Nacional D. Maria II | Teatro Nacional D. Maria II | 2007 – 2008 | 18 | 3 |
| teaterverkstedet / teater x | teaterverkstedet / teater x | 1995 | 2 | 1 |
| Teater Fusentast | Teater Fusentast | 1992 – 2020 | 46 | 1 |
| Tivoli Teater | Tivoli Teater | 1901 | 1 | |
| Theatre New Brunswick | Theatre New Brunswick | 2011 | 2 | |
| Teatre Romea | Teatre Romea | 2003 – 2006 | 8 | |
| Théâtre Centaure | Théâtre Centaure | 2000 – 2003 | 3 | |
| Theaterverein (Freie Volksbühne) | Theaterverein Freie Volksbühne (Theaterverein (Freie Volksbühne)) | 1890 – 1905 | 11 | |
| Teatr Nowy | Teatr Nowy | 1913 | 2 | |
| Theatre Couture | Theatre Couture | 2000 | 1 | |
| Teatr Fantazja | Teatr Fantazja | 1903 | 1 | |
| Theater am Horst-Wessel-Platz | Theater am Horst-Wessel-Platz | 1933 | 4 | |
| Tehrik-e-Niswan | Tehrik-e-Niswan | 2006 – 2012 | 4 | |
| Thiasos Thomas Oikonomou-Loukia Tiveri | Thiasos Thomas Oikonomou-Loukia Tiveri | 1909 | 1 | |
| Triad Stage | Triad Stage | 2009 – 2011 | 2 | |
| Tysnesfest 09 | Tysnesfest 09 | 2009 | 1 | |
| Therese Elfforss' Sällskap | Therese Elfforss' Sällskap | 1876 – 1879 | 9 | |
| Teatr Nowości ze Lwowa | Teatr Nowości ze Lwowa | 1912 | 2 | |
| Teatro Nacional Almeida Garrett | Teatro Nacional Almeida Garrett | 1928 | 3 | |
| Thiasos Michaïl Arniotakis | Thiasos Michaïl Arniotakis | 1899 | 2 | |
| Tsukiji Little Theatre | Tsukiji Little Theatre | 1924 – 1928 | 6 | |
| Tournée Gabrieli Zapolskiej | Tournée Gabrieli Zapolskiej | 1887 | 1 | |
| Thiasos (Olympia Lalaouni-Damaskou?) | Thiasos (Olympia Lalaouni-Damaskou?) | 1907 | 1 | |
| Test Pilot Productions | Test Pilot Productions | 2006 | 2 | |
| Theater E | Theater E | 1994 | 1 | |
| Theater im Rang | Theater im Rang | 1970 | 1 | |
| TAC Produções Artísticas | TAC Produções Artísticas | 1971 | 5 | |
| Teater Joker | Teater Joker | 2012 – 2015 | 3 | |
| Trupa Józefa Teksla i Feliksa Wesosowskiego | Trupa Józefa Teksla i Feliksa Wesosowskiego | 1883 | 1 | |
| Théâtre de Caen | Théâtre de Caen | 1994 – 2014 | 29 | |
| Theatron Odeiou | Theatron Odeiou | 1919 | 3 | |
| Theatre Vertigo | Theatre Vertigo | 2007 | 1 | |
| Tournée Wandy Siemaszkowej | Tournée Wandy Siemaszkowej | 1907 | 4 | |
| Tournée Harriet Bosse | Tournée Harriet Bosse | 1924 | 2 | |
| Théâtre du Rideau de Bruxelles | Théâtre du Rideau de Bruxelles | 2002 | 1 | |
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