| 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 |
| Theater der Modernen | Theater der Modernen | 1894 – 1895 | 11 | |
| Tampere Internasjonale Teaterfestival | Tampere Internasjonale Teaterfestival | 1993 | 1 | |
| Tokyo International Players | Tokyo International Players | 2004 | 1 | |
| Theater am Schiffbauerdamm | Theater am Schiffbauerdamm | 1950 – 2008 | 8 | |
| Teatr «U Kamina» | Teatr «U Kamina» | 2012 | 2 | |
| Thiasos Kathreftis | Thiasos Kathreftis | 2006 | 1 | |
| Theater Biel Solothurn | Theater Biel Solothurn | 2003 – 2019 | 25 | |
| Théâtre du Vieux-Colombier | Théâtre du Vieux-Colombier | 1918 | 1 | |
| Teatro Paulista | Teatro Paulista | 1956 | 1 | |
| Theatre of Ireland | Theatre of Ireland | 1906 | 1 | |
| Theatre Babel | Theatre Babel | 2004 – 2005 | 11 | |
| Thelma Holt | Thelma Holt | 1994 | 3 | |
| Twelve Three And A Half | Twelve Three And A Half | 2005 – 2006 | 3 | |
| Tilla Durieux mit Ensemble des Deutschen Volkstheaters Wien | Tilla Durieux mit Ensemble des Deutschen Volkstheaters Wien | 1933 | 2 | |
| Teaterkompaniet Røde Rom | Teaterkompaniet Røde Rom | 2009 – 2010 | 3 | |
| TTU Tech Players | TTU Tech Players | 2006 | 1 | |
| Tavistock Repertory Company | Tavistock Repertory Company | 1933 – 2004 | 23 | |
| Torosha | Torosha | 1918 | 1 | |
| Tower Theatre, The | The Tower Theatre | 2004 – 2020 | 4 | |
| Teatr Mały | Teatr Mały | 1905 – 1913 | 2 | |
| Toneelgroep De Appel | Toneelgroep De Appel | 1973 – 2003 | 5 | |
| Théâtre Libre | Théâtre Libre | 1890 – 1894 | 9 | |
| Tønder-Turneen | Tønder-Turneen | 1910 | 2 | |
| Teatr Wielki | Teatr Wielki | | | |
| Thiasos Evangelia Paraskevopoulou | Thiasos Evangelia Paraskevopoulou | 1898 | 2 | |
| Tel Aviv-Yafo First International Theatre Festival | Tel Aviv-Yafo First International Theatre Festival | 2009 | 1 | |
| Theatrinon Theatres | Theatrinon Theatres | 2006 – 2007 | 4 | |
| Thiasos Christina Kalogerikou | Thiasos Christina Kalogerikou | 1914 | 1 | |
| Teaterhögskolans avgangsstudenter | Teaterhögskolans avgangsstudenter | 2000 | 1 | |
| Teatr Polski pod dyr. Władysława Czajkowskiego | Teatr Polski pod dyr. Władysława Czajkowskiego | 1904 | 1 | |
| Thomas Cortes' Skuespillerselskab | Thomas Cortes' Skuespillerselskab | 1857 – 1878 | 24 | |
| Theatraubling | Theatraubling | 1997 – 2001 | 2 | |
|
|
