| Teatr Wielki | Teatr Wielki | | | |
| Tolstoy State Theatre | Tolstoy State Theatre | | | |
| Tokyo International Players | Tokyo International Players | 2004 | 1 | |
| Thiasos Tilemachos Lepeniotis | Thiasos Tilemachos Lepeniotis | 1914 | 1 | |
| Theater am Schiffbauerdamm | Theater am Schiffbauerdamm | 1950 | 1 | |
| Thiasos Kathreftis | Thiasos Kathreftis | 2006 | 1 | |
| Teatro Paulista | Teatro Paulista | 1956 | 1 | |
| Temporada Alta | Temporada Alta | 2006 | 1 | |
| TTU Tech Players | TTU Tech Players | 2006 | 1 | |
| Teatar «Salsa i smjah» | Teatar «Salsa i smjah» | 1924 | 1 | |
| Territorio Violeta | Territorio Violeta | 2023 | 1 | |
| Three P's Society of Tufts College, The | The Three P's Society of Tufts College | 1913 | 1 | |
| TroupEnigma | TroupEnigma | 2025 | 1 | |
| Thiasos Koula Zervou | Thiasos Koula Zervou | 1921 | 1 | |
| Teatr Letni w Ogrodzie Bernardyńskim | Teatr Letni w Ogrodzie Bernardyńskim | 1907 | 1 | |
| Teaterhögskolans avgangsstudenter | Teaterhögskolans avgangsstudenter | 2000 | 1 | |
| Theater works | Theater works | 2024 | 1 | |
| Teatro Astra | Teatro Astra | 2024 | 1 | |
| Teatrón | Teatrón | 1989 | 1 | |
| The Inspired Acting Company | The Inspired Acting Company | 2025 | 1 | |
| Teatr Łódzki | Teatr Łódzki | 1906 | 1 | |
| Teatr Dom rabočih | Teatr Dom rabočih | 1918 | 1 | |
| Theatre Four | Theatre Four | 1963 | 1 | |
| Tyrili Teatret | Tyrili Teatret | 1991 | 1 | |
| Teatro del Maggio Musicale Fiorentino | Teatro del Maggio Musicale Fiorentino | 2024 | 1 | 1 |
| Trond Reinholdtsen | Trond Reinholdtsen | 2011 | 1 | |
| Theatre Royal Bath Productions | Theatre Royal Bath Productions | 2010 | 1 | |
| Théâtre Royal de Namur | Théâtre Royal de Namur | 2022 | 1 | |
| Thiasos Smaragda Isaïa | Thiasos Smaragda Isaïa | 1902 | 1 | |
| Teatr dramy Orel | Teatr dramy Orel | 1944 | 1 | |
| Thiasos (Rozalia Nika?) | Thiasos (Rozalia Nika?) | 1910 | 1 | |
| Teatro Anchieta | Teatro Anchieta | 1945 | 1 | |
| Teatro del Loto | Teatro del Loto | 2022 | 1 | 1 |
| Theatergruppe Sankt Georgen, Die | Die Theatergruppe Sankt Georgen | 2001 | 1 | |
| TITAN Teaterskole | TITAN Teaterskole | 2009 | 1 | |
| Towarzystwo Dramatyczne Michała Członowskiego | Towarzystwo Dramatyczne Michała Członowskiego | 1897 | 1 | |
| Truppa dramatičeskich artistov pod upravleniem A. Tol´skogo | Truppa dramatičeskich artistov pod upravleniem A. Tol´skogo | 1914 | 1 | |
| Teatro Rodante Dominicano | Teatro Rodante Dominicano | 2025 | 1 | |
| Thorvald Koefods Selskab | Thorvald Koefods Selskab | 1900 | 1 | |
| TemprArt Teatro Arte Tempra | TemprArt Teatro Arte Tempra | 2019 | 1 | 1 |
| Thiaso Xenofon Isaïas | Thiaso Xenofon Isaïas | 1903 | 1 | |
| Trupa operetkowa Juliana Grabińskiego | Trupa operetkowa Juliana Grabińskiego | 1884 | 1 | |
|
|
