| Theatraubling | Theatraubling | 1997 – 2001 | 2 | |
| Théâtre Nanterre-Amandiers | Théâtre Nanterre-Amandiers | 2013 – 2014 | 25 | |
| Thiasos Christina Kalogerikou-Anthi Miliadou | Thiasos Christina Kalogerikou-Anthi Miliadou | 1916 | 2 | |
| Teatrón | Teatrón | 1989 | 1 | |
| Thiaso Xenofon Isaïas | Thiaso Xenofon Isaïas | 1903 | 1 | |
| Thalia Theater | Thalia Theater | 1975 – 2022 | 21 | |
| Teatr RSFSR 1-j | Teatr RSFSR 1-j (Театр РСФСР 1-й) | 1921 | 2 | |
| Teater Västernorrland | Teater Västernorrland | 1996 – 2001 | 6 | |
| Thiasos Ellinikis Komodias Michaïl Iakovidis | Thiasos Ellinikis Komodias Michaïl Iakovidis | 1909 | 2 | |
| Theater am Bülowplatz | Theater am Bülowplatz | 1918 | 5 | |
| Teatro del Loto | Teatro del Loto | 2022 | 1 | |
| Teatro Anchieta | Teatro Anchieta | 1945 | 1 | |
| TITAN Teatergruppe | TITAN Teatergruppe | 2008 | 1 | |
| Theatergruppe Sankt Georgen, Die | Die Theatergruppe Sankt Georgen | 2001 | 1 | |
| Théâtre National de Bretagne | Théâtre National de Bretagne | 1997 – 2011 | 19 | |
| Truppa dramatičeskich artistov pod upravleniem A. Tol´skogo | Truppa dramatičeskich artistov pod upravleniem A. Tol´skogo | 1914 | 1 | |
| Tisch School Of The Arts | Tisch School Of The Arts | 2005 – 2007 | 2 | |
| Thiasos Smaragda Isaïa | Thiasos Smaragda Isaïa | 1902 | 1 | |
| Teatro d'Arte di Roma | Teatro d'Arte di Roma | 1927 – 1928 | 3 | |
| Trupa operetkowa Juliana Grabińskiego | Trupa operetkowa Juliana Grabińskiego | 1884 | 1 | |
| Tournée trupy Karola Adwentowicza | Tournée trupy Karola Adwentowicza | 1908 | 31 | |
| Théâtre Vidy-Lausanne | Théâtre Vidy-Lausanne | 1993 – 2014 | 31 | |
| Teatro Studio Jankowski | Teatro Studio Jankowski | 2013 | 1 | |
| Teatro de Narradores | Teatro de Narradores | 2005 – 2006 | 3 | |
| Teater Manu - norsk tegnspråkteater | Teater Manu - norsk tegnspråkteater | 2006 – 2024 | 12 | |
| Teaterfestivalen i Ålesund | Teaterfestivalen i Ålesund | 2006 | 1 | |
| Thiasos Eftychios Vonaseras | Thiasos Eftychios Vonaseras | 1894 – 1904 | 5 | |
| Teatr Mały z Warsawy pod kier | Teatr Mały z Warsawy pod kier | 1913 | 1 | |
| Towarzystwo Dramatyczne Michała Członowskiego | Towarzystwo Dramatyczne Michała Członowskiego | 1897 | 1 | |
| Thorvald Koefods Selskab | Thorvald Koefods Selskab | 1900 | 1 | |
| Theatre Guild, The | The Theatre Guild | 1923 – 1924 | 3 | |
| Theater Kiel | Theater Kiel | 2003 – 2010 | 6 | |
| Thiasos Kyveli Adrianou | Thiasos Kyveli Adrianou | 1907 – 1928 | 44 | |
| Teatr Polski | Teatr Polski | 1894 – 1911 | 8 | |
| Teatro Metastasio di Prato | Teatro Metastasio di Prato | 2024 | 1 | |
| Theatre New Brunswick | Theatre New Brunswick | 2011 | 2 | |
| Trond Woxen | Trond Woxen | 1997 | 1 | |
| Théâtre des Capucins | Théâtre des Capucins | 2000 – 2003 | 5 | |
| Teatro del Marchesato | Teatro del Marchesato | 2024 | 1 | |
| Theaterverein (Freie Volksbühne) | Theaterverein Freie Volksbühne (Theaterverein (Freie Volksbühne)) | 1890 – 1905 | 11 | |
| Tokyo Stage Society | Tokyo Stage Society | 1912 | 1 | |
| Teatro degli Strilloni | Teatro degli Strilloni | 1996 | 2 | |
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