| Tolstoy State Theatre | Tolstoy State Theatre | | | |
| Teatr Wielki | Teatr Wielki | | | |
| Trond Reinholdtsen | Trond Reinholdtsen | 2011 | 1 | |
| Theater im Rang | Theater im Rang | 1970 | 1 | |
| Trupa Józefa Teksla i Feliksa Wesosowskiego | Trupa Józefa Teksla i Feliksa Wesosowskiego | 1883 | 1 | |
| Teatr Łódzki | Teatr Łódzki | 1906 | 1 | |
| Thiasos tis Ellinikis Komodias – Eftychios Vonaseras-Evangel | Thiasos tis Ellinikis Komodias – Eftychios Vonaseras-Evangel | 1898 | 1 | |
| Theatre Vertigo | Theatre Vertigo | 2007 | 1 | |
| Tyrili Teatret | Tyrili Teatret | 1991 | 1 | |
| Teatro Stabile di Catania | Teatro Stabile di Catania | 2024 | 1 | |
| TITAN Teaterskole | TITAN Teaterskole | 2009 | 1 | |
| Théâtre du Rideau de Bruxelles | Théâtre du Rideau de Bruxelles | 2002 | 1 | |
| Tofusha | Tofusha | 1994 | 1 | |
| Teatr Dom rabočih | Teatr Dom rabočih | 1918 | 1 | |
| Thiasos (Rozalia Nika?) | Thiasos (Rozalia Nika?) | 1910 | 1 | |
| TITAN Teatergruppe | TITAN Teatergruppe | 2008 | 1 | |
| Tin Alley Players | Tin Alley Players | 1945 | 1 | |
| Truppa dramatičeskich artistov pod upravleniem A. Tol´skogo | Truppa dramatičeskich artistov pod upravleniem A. Tol´skogo | 1914 | 1 | |
| Thiaso Xenofon Isaïas | Thiaso Xenofon Isaïas | 1903 | 1 | |
| Thiasos (Konstantinos Vonaseras?) | Thiasos (Konstantinos Vonaseras?) | 1896 | 1 | |
| Teatr dramy Orel | Teatr dramy Orel | 1944 | 1 | |
| Thiasos Dimosthenis Alexiadis | Thiasos Dimosthenis Alexiadis | 1901 | 1 | |
| Teatro Comunale Niccolini | Teatro Comunale Niccolini | 2024 | 1 | |
| Thiasos Kathreftis | Thiasos Kathreftis | 2006 | 1 | |
| Teatro Paulista | Teatro Paulista | 1956 | 1 | |
| Teatr Mały z Warsawy pod kier | Teatr Mały z Warsawy pod kier | 1913 | 1 | |
| Tokyo International Players | Tokyo International Players | 2004 | 1 | |
| Théâtre de Liège | Théâtre de Liège | 2024 | 1 | |
| TTU Tech Players | TTU Tech Players | 2006 | 1 | |
| Trond Woxen | Trond Woxen | 1997 | 1 | |
| Tokyo Stage Society | Tokyo Stage Society | 1912 | 1 | |
| Theater Department of Sangmyung University's College of Arts | Theater Department of Sangmyung University's College of Arts | 2023 | 1 | |
| Tampere Internasjonale Teaterfestival | Tampere Internasjonale Teaterfestival | 1993 | 1 | |
| Teaterhögskolans avgangsstudenter | Teaterhögskolans avgangsstudenter | 2000 | 1 | |
| Théâtre du Vieux-Colombier | Théâtre du Vieux-Colombier | 1918 | 1 | |
| Theatre of Ireland | Theatre of Ireland | 1906 | 1 | |
| Teatre d’Art | Teatre d’Art | 1922 | 1 | |
| Teatro Massimo Bellini | Teatro Massimo Bellini | 2024 | 1 | |
| Theatre Four | Theatre Four | 1963 | 1 | |
| Torosha | Torosha | 1918 | 1 | |
| Teatralnyj Osobnâkʺ | Teatralnyj Osobnâkʺ | 2009 | 1 | |
| Teatrón | Teatrón | 1989 | 1 | |
|
|
