| Trond Reinholdtsen | Trond Reinholdtsen | 2011 | 1 | |
| Theatergruppe Sankt Georgen, Die | Die Theatergruppe Sankt Georgen | 2001 | 1 | |
| Thiasos (Konstantinos Vonaseras?) | Thiasos (Konstantinos Vonaseras?) | 1896 | 1 | |
| Thiasos Marika Kotopouli | Thiasos Marika Kotopouli | 1918 – 1945 | 6 | |
| Tisch School Of The Arts | Tisch School Of The Arts | 2005 – 2007 | 2 | |
| Thiasos Dimosthenis Alexiadis | Thiasos Dimosthenis Alexiadis | 1901 | 1 | |
| Teatr Łódzki | Teatr Łódzki | 1906 | 1 | |
| Thalia Theater | Thalia Theater | 1975 – 2011 | 20 | |
| Teater Västernorrland | Teater Västernorrland | 1996 – 2001 | 6 | |
| Tyrili Teatret | Tyrili Teatret | 1991 | 1 | |
| Theater am Bülowplatz | Theater am Bülowplatz | 1918 | 5 | |
| Tin Alley Players | Tin Alley Players | 1945 | 1 | |
| TITAN Teaterskole | TITAN Teaterskole | 2009 | 1 | |
| Teaterfestivalen i Ålesund | Teaterfestivalen i Ålesund | 2006 | 1 | |
| Theater der Modernen | Theater der Modernen | 1894 – 1895 | 11 | |
| Thiasos Christina Kalogerikou-Anthi Miliadou | Thiasos Christina Kalogerikou-Anthi Miliadou | 1916 | 2 | |
| Towarzystwo Dramatyczne Michała Członowskiego | Towarzystwo Dramatyczne Michała Członowskiego | 1897 | 1 | |
| Theater am Schiffbauerdamm | Theater am Schiffbauerdamm | 1950 – 2008 | 8 | |
| Trupa Czesława Wiśniewskiego | Trupa Czesława Wiśniewskiego | 1904 – 1906 | 3 | |
| Trupa operetkowa Juliana Grabińskiego | Trupa operetkowa Juliana Grabińskiego | 1884 | 1 | |
| Thiasos (Rozalia Nika?) | Thiasos (Rozalia Nika?) | 1910 | 1 | |
| Théâtre Vidy-Lausanne | Théâtre Vidy-Lausanne | 1993 – 2014 | 31 | |
| Teatro Paulista | Teatro Paulista | 1956 | 1 | |
| TITAN Teatergruppe | TITAN Teatergruppe | 2008 | 1 | |
| Théâtre des Capucins | Théâtre des Capucins | 2000 – 2003 | 5 | |
| Théâtre Libre | Théâtre Libre | 1890 – 1894 | 9 | |
| Truppa dramatičeskich artistov pod upravleniem A. Tol´skogo | Truppa dramatičeskich artistov pod upravleniem A. Tol´skogo | 1914 | 1 | |
| Teatro degli Strilloni | Teatro degli Strilloni | 1996 | 2 | |
| Tilla Durieux mit Ensemble des Deutschen Volkstheaters Wien | Tilla Durieux mit Ensemble des Deutschen Volkstheaters Wien | 1933 | 2 | |
| Thiaso Xenofon Isaïas | Thiaso Xenofon Isaïas | 1903 | 1 | |
| Theater Kiel | Theater Kiel | 2003 – 2010 | 6 | |
| Thiasos Ellinikis Komodias Michaïl Iakovidis | Thiasos Ellinikis Komodias Michaïl Iakovidis | 1909 | 2 | |
| Teatr Polski | Teatr Polski | 1894 – 1911 | 8 | |
| Tower Theatre, The | The Tower Theatre | 2004 – 2020 | 4 | |
| Thomas Cortes' Skuespillerselskab | Thomas Cortes' Skuespillerselskab | 1857 – 1878 | 24 | |
| Teatr Mały z Warsawy pod kier | Teatr Mały z Warsawy pod kier | 1913 | 1 | |
| Teatro Stabile del Friuli-Venezia Giulia | Teatro Stabile del Friuli-Venezia Giulia | 1968 – 2013 | 11 | |
| Thiasos Evangelia Paraskevopoulou | Thiasos Evangelia Paraskevopoulou | 1898 | 2 | |
| Tennent Productions Ltd. | Tennent Productions Ltd. | 1953 | 14 | |
| Tournée trupy Karola Adwentowicza | Tournée trupy Karola Adwentowicza | 1908 | 31 | |
| Theatro Circo | Theatro Circo | 2007 – 2008 | 6 | |
| Teaterhögskolans avgangsstudenter | Teaterhögskolans avgangsstudenter | 2000 | 1 | |
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