| 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 | 10 | |
| T'hooft, Sigrid | Sigrid T'hooft | Director | 2022 | 1 | |
| Trajanov, Gjorgi | Gjorgi Trajanov (Ѓорги Трајанов) | Director | 1969 | 1 | |
| Terzopoulos, Theodoros | Theodoros Terzopoulos | Director | 2023 | 1 | |
| Treinis, Tom | Tom Treinis | Director | 2023 | 1 | |
| Thielecke, Paula | Paula Thielecke | Director | 2023 | 1 | |
| Tarloou, Dimitris | Dimitris Tarloou | Director | | 1 | |
| 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 | |
| Thorup, Ib | Ib Thorup | Director, Translator | 1986 - 2009 | 3 | |
| Tanaka, Chikao | Chikao Tanaka | Director, Translator | 1950 - 1968 | 3 | |
| Teschan, Walter, E. | Walter E.B. Teschan | Director, Translator | 1945 - 1948 | 4 | |
| Talebi, Yasaman | Yasaman Talebi | Director, Translator | 2019 | 2 | |
| Templeton, Joan | Joan Templeton | Dramaturg | 1998 - 2001 | 6 | |
| Thiele, Rita | Rita Thiele | Dramaturg | 1997 | 1 | |
| Tschierschky, Doris | Doris Tschierschky | Dramaturg | 1979 | 1 | |
| Tomerius, Lorenz | Lorenz Tomerius | Dramaturg | 1981 | 1 | |
| Türk, Wolfgang | Wolfgang Türk | Dramaturg | 2008 | 1 | |
| Thelemann, Susanne | Susanne Thelemann | Dramaturg | 1990 - 2008 | 6 | |
| Tisal, Albert | Albert Tisal | Dramaturg | 1993 | 2 | |
| Toporišič, Tomaž | Tomaž Toporišič | Dramaturg | 1994 | 1 | |
| Tiedtke, Marion | Marion Tiedtke | Dramaturg | 1995 - 2019 | 2 | |
| Thimonnier, Pauline | Pauline Thimonnier | Dramaturg | 2014 | 7 | |
| Török, Tamara | Tamara Török | Dramaturg | 2013 | 1 | |
| Tošovský, Jan | Jan Tošovský | Dramaturg | 2011 | 2 | |
| Thomas, LaRonika | LaRonika Thomas | Dramaturg | 2005 - 2006 | 3 | |
| Tate, Kamella | Kamella Tate | Dramaturg | 2001 | 1 | |
| Trütschel, Eva-Maria | Eva-Maria Trütschel | Dramaturg | 2013 | 1 | |
| Tjäder, Per | Per Tjäder | Dramaturg | 2011 | 1 | |
| Thein, Christoph | Christoph Thein | Dramaturg | 2011 | 13 | |
| Tauscher, Petra Jane | Petra Jane Tauscher | Dramaturg | 2016 | 1 | |
| Torressen, Hege Randi | Hege Randi Torressen | Dramaturg | 2014 - 2016 | 5 | |
| Thomas, Holly | Holly Thomas | Dramaturg | 1998 | 1 | |
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