| Name | Functions  | Event Dates | Events | Resources | ||
|---|---|---|---|---|---|---|
| Herbert Tietze | Director | 1957 | 1 | |||
| Maurice Tourneur | Director | 1918 | 1 | 1 | ||
| Mira Trailovic | Director | 1975 | 1 | |||
| Robert Tsonos | Director | 2004 | 1 | |||
| Andrei Tsumak | Director | 2006 | 1 | |||
| Lucyna Tychowa | Director | 1989 | 1 | |||
| Marta Tywonek | Director | 1957 | 1 | |||
| Eric Trumbull | Director | 2006 | 1 | |||
| Lothar Trautmann | Director | 1977 - 1994 | 2 | |||
| Julia Tymukas | Director | 1984 | 1 | |||
| Ludwig Treutler | Director | 1893 | 1 | |||
| Siegfried Tittert | Director | 1948 | 1 | |||
| Sava Todorović | Director | 1904 | 1 | |||
| Sergijan Tuzitsch | Director | 1904 - 1905 | 2 | |||
| Ole Anders Tandberg | Director | 1990 - 2021 | 60 | 1 | ||
| Ivar Tindberg | Director | 2009 | 1 | 1 | ||
| Kristine Thorp | Director | 2010 | 1 | |||
| Jevon Brandon Thomas | Director | 1926 | 1 | |||
| Henryk Tomaszewski | Director | 1974 | 1 | |||
| Zhi Tao | Director | 2006 - 2009 | 5 | |||
| Jerry Tessler | Director | 1972 | 1 | |||
| Paolo Todisco | Director | 1976 | 4 | |||
| Adolf Toman | Director | 1972 | 1 | |||
| Georg Terramare | Director | 1937 | 1 | |||
| El. Tanimanidi | Director | 1980 | 1 | |||
| Tom Toelle | Director | 1982 - 1986 | 2 | |||
| Ryan C. Tittle | Director | 2010 | 1 | |||
| Adam Twiss | Director | 2011 | 1 | |||
| Carlos Trafic | Director | 1990 | 1 | |||
| Camilla Tostrup | Director | 1984 | 1 | 1 | ||
| Alexa Ther | Director | 2008 | 1 | |||
| Kostis Tsonos | Director | 1975 - 1999 | 3 | |||
| Jennifer Dizon Turner | Director | 2014 | 1 | |||
| Minoru Takagi | Director | 1987 | 1 | |||
| Giorgos Theodosiadis | Director | 1955 - 1984 | 3 | |||
| Richard Toma | Director | 1988 | 1 | |||
| Oliver Tobias | Director | 1991 | 3 | |||
| Stephen Tiller | Director | 1991 | 1 | 1 | ||
| Dietrich Taube | Director | 1982 - 1992 | 2 | |||
| Klaus Tews | Director | 1993 - 2003 | 4 | |||
| Anke Thiessen | Director | 1991 | 1 | |||
| Masumi Takao | Director | 1991 | 1 | |||