| Teatro 5 de Setembro | Teatro 5 de Setembro | 1952 | 2 | |
| Theater E | Theater E | 1994 | 1 | |
| Teatro Nazionale di Genova | Teatro Nazionale di Genova | 2018 | 4 | |
| Tampere Theatre Festival | Tampere Theatre Festival | 2009 | 1 | |
| Teater Joker | Teater Joker | 2012 – 2015 | 3 | |
| Teatr Ziemi Pomorskiej | Teatr Ziemi Pomorskiej | 1955 | 1 | |
| Teatr Fantazja | Teatr Fantazja | 1903 | 1 | |
| Theatron Odeiou | Theatron Odeiou | 1919 | 3 | |
| Theatre Office Natori, The | The Theatre Office Natori | 1999 – 2012 | 24 | |
| Teatr i Sąd | Teatr i Sąd | 1914 | 1 | |
| Tournée Wandy Siemaszkowej | Tournée Wandy Siemaszkowej | 1907 | 4 | |
| Teatre d’Art | Teatre d’Art | 1922 | 1 | |
| Theater am Brunnenhof | Theater am Brunnenhof | 1949 – 1950 | 3 | |
| Teatro Massimo Bellini | Teatro Massimo Bellini | 2024 | 1 | |
| Torinokai | Torinokai | 1983 – 1994 | 3 | |
| Theater der Litterarischen Gesellschaft in Leipzig | Theater der Litterarischen Gesellschaft in Leipzig | 1896 – 1897 | 3 | |
| Tom Løberg | Tom Løberg | 2010 | 1 | |
| Talawa Theatre Company | Talawa Theatre Company | 1996 | 1 | |
| Thiasos Dimitrios Angelakis | Thiasos Dimitrios Angelakis | 1900 – 1901 | 3 | |
| Thiasos Nikos Moraïtis | Thiasos Nikos Moraïtis | 1918 | 1 | |
| Tooneelvereeniging, De | De Tooneelvereeniging | 1889 | 1 | |
| Thiasos Thomas Oikonomou | Thiasos Thomas Oikonomou | 1906 – 1924 | 26 | |
| Teatralnyj Osobnâkʺ | Teatralnyj Osobnâkʺ | 2009 | 1 | |
| Theater Bielefeld | Theater Bielefeld | 2004 – 2016 | 4 | |
| Teatro de la Danza de Madrid | Teatro de la Danza de Madrid | 2010 – 2011 | 40 | |
| Tadao Nakane | Tadao Nakane | 1994 | 3 | |
| Teatro di Documenti | Teatro di Documenti | 2019 | 1 | |
| Théâtre Centaure | Théâtre Centaure | 2000 – 2003 | 3 | |
| Théâtre de l'Oeuvre | Théâtre de l'Oeuvre | 1893 – 1923 | 61 | |
| Teaterfestivalen på Stiklestad | Teaterfestivalen på Stiklestad | 2010 | 1 | |
| Theatre Couture | Theatre Couture | 2000 | 1 | |
| Theater Die Insel in der Komödie | Theater Die Insel in der Komödie | 1947 | 3 | |
| Thiasos Athanasios Marikos-Emmanouil Kantiotis | Thiasos Athanasios Marikos-Emmanouil Kantiotis | 1916 | 1 | |
| Tehrik-e-Niswan | Tehrik-e-Niswan | 2006 – 2012 | 4 | |
| Trupa Eugeniusza Majdrowicza | Trupa Eugeniusza Majdrowicza | 1904 | 1 | |
| Tomskij dramatičeskij teatr imeni Čkalova | Tomskij dramatičeskij teatr imeni Čkalova (Chkalov Tomsk Drama Theatre) | 1957 | 1 | |
| Tivoli Teater | Tivoli Teater | 1901 | 1 | |
| Teatro Stabile di Genova | Teatro Stabile di Genova | 1977 – 2018 | 11 | |
| Thiasos Panos Kalogerikos | Thiasos Panos Kalogerikos | 1910 | 1 | |
| Trupa Anastazego Trapszy i Bolesława Kremskiego | Trupa Anastazego Trapszy i Bolesława Kremskiego | 1882 | 1 | |
| Temporada Alta | Temporada Alta | 2006 | 1 | |
| Teatro Nacional Almeida Garrett | Teatro Nacional Almeida Garrett | 1928 | 3 | |
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