| Torre, Carina | Carina Torre | Director | 2016 | 1 | |
| Taneev, S.A. | S.A. Taneev | Director | 1940 | 1 | |
| Tarchanov, Ivan, Mihailovič | Ivan Mihailovič Tarchanov | Director | 1960 | 1 | |
| Tumanov, Iosif | Iosif Tumanov | Director | | 1 | |
| Tømta, Hanne | Hanne Tømta | Director | 2020 - 2022 | 2 | 3 |
| Taccardo, Paolo | Paolo Taccardo | Director | 2015 - 2017 | 5 | |
| Turska, Elzbieta | Elzbieta Turska | Director | 2009 | 1 | |
| Till, Eric | Eric Till | Director | 1966 | 1 | |
| Tuminas, Rimas | Rimas Tuminas | Director | 2022 - 2023 | 17 | |
| T'hooft, Sigrid | Sigrid T'hooft | Director | 2022 | 1 | |
| Trajanov, Gjorgi | Gjorgi Trajanov (Ѓорги Трајанов) | Director | 1969 | 1 | |
| Treinis, Tom | Tom Treinis | Director | 2023 | 1 | |
| Thielecke, Paula | Paula Thielecke | Director | 2023 | 1 | |
| Tarloou, Dimitris | Dimitris Tarloou | Director | 2023 | 2 | |
| Tagle-Willingham, Ruby | Ruby Tagle-Willingham | Director | 2024 | 2 | |
| Toccafondi, Leo | Leo Toccafondi | Director | 1980 | 1 | |
| Thoma, Simone | Simone Thoma | Director | 2019 | 1 | |
| Torella, Sandro | Sandro Torella | Director | 2014 | 1 | |
| Taylor, Gill | Gill Taylor | Director | 2024 | 1 | |
| Tsutsui, Yuki | Yuki Tsutsui | Director | 2024 | 1 | |
| Thorson, Greg | Greg Thorson | Director | 2024 | 1 | |
| Tritek, Helena | Helena Tritek | Director | 2024 | 1 | |
| Turley, Leah | Leah Turley | Director | 2024 | 1 | |
| Thaharani, Rama | Rama Thaharani | Director | 2019 | 1 | |
| Tournier, Sophie | Sophie Tournier | Director | 2025 | 2 | |
| Thoroughgood, Nicholas | Nicholas Thoroughgood | Director, Lighting Designer | 2020 - 2022 | 3 | |
| Tarrant, Newell | Newell Tarrant | Director, Producer | 1936 - 1937 | 4 | |
| Tai, Qian | Qian Tai | Director, Producer | 2005 | 4 | |
| Thiré, Cecil | Cecil Thiré | Director, Translator | 1971 - 1989 | 14 | |
| Törmänen, G. Edv. | G. Edv. Törmänen | Director, Translator | 1888 - 1908 | 2 | |
| Turner, Jerry | Jerry Turner | Director, Translator | 1979 - 2003 | 8 | 1 |
| Thorup, Ib | Ib Thorup | Director, Translator | 1986 - 2009 | 3 | 1 |
| Tanaka, Chikao | Chikao Tanaka | Director, Translator | 1950 - 1968 | 3 | 1 |
| Teschan, Walter, E. | Walter E.B. Teschan | Director, Translator | 1945 - 1948 | 4 | |
| Talebi, Yasaman | Yasaman Talebi | Director, Translator | 2019 | 2 | 1 |
| Templeton, Joan | Joan Templeton | Dramaturg | 1998 - 2001 | 6 | 1 |
| Thiele, Rita | Rita Thiele | Dramaturg | 1997 | 1 | 1 |
| Tschierschky, Doris | Doris Tschierschky | Dramaturg | 1979 | 1 | |
| Tomerius, Lorenz | Lorenz Tomerius | Dramaturg | 1981 | 1 | 1 |
| Türk, Wolfgang | Wolfgang Türk | Dramaturg | 2008 | 1 | |
| Thelemann, Susanne | Susanne Thelemann | Dramaturg | 1990 - 2008 | 6 | |
| Tisal, Albert | Albert Tisal | Dramaturg | 1993 | 2 | |
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