| Turnage, Mark-Anthony | Mark-Anthony Turnage | Composer | 2011 - 2014 | 2 | 1 |
| Tritschler, Marc | Marc Tritschler | Composer | 2016 | 1 | |
| Tettamanti, Mr. | Mr. Tettamanti | Composer | 1954 | 1 | |
| Tabakov, Krum | Krum Tabakov | Composer | 1971 | 1 | |
| Tjemsland, Tone | Tone Tjemsland | Composer | 1985 | 1 | |
| Tombre, Jon | Jon Tombre | Composer | 2019 | 1 | |
| Tudor, Goran | Goran Tudor | Composer | 2013 | 1 | |
| Triplat, Filip | Filip Triplat | Composer | 2021 | 1 | |
| Togander, Barbara | Barbara Togander | Composer | 2022 | 1 | |
| Tevčev, Oliver | Oliver Tevčev (Оливер Тевчев) | Composer | 2011 | 1 | |
| Tauský, Vilém | Vilém Tauský | Composer, Conductor | 1933 | 2 | |
| Toijanniemi, Tuukka | Tuukka Toijanniemi | Composer, Designer | 2004 | 2 | |
| Tomba, Heisnam | Heisnam Tomba | Composer, Designer, Director | 2012 | 3 | |
| Taliotis, Neofytos | Neofytos Taliotis | Composer, Director | 2004 | 2 | |
| Tsagkaris, Giorgos | Giorgos Tsagkaris | Composer, Musical Director | 1980 - 1985 | 13 | |
| Tarkmann, Andreas N. | Andreas N. Tarkmann | Composer, Musical Director | 1994 - 1996 | 2 | |
| Tveitt, Geirr | Geirr Tveitt | Composer, Musician | 1988 - 2013 | 4 | 1 |
| Tafjord, Hild Sofie | Hild Sofie Tafjord | Composer, Sound Designer | 2008 | 10 | |
| Tønnesen, Terje | Terje Tønnesen | Composer, Sound Designer | 2012 - 2013 | 138 | |
| Tushar, Ahsan Reza | Ahsan Reza Tushar | Composer, Sound Designer | 2004 | 2 | |
| Tutul, Mosharraf Hossain | Mosharraf Hossain Tutul | Composer, Sound Designer | 1999 - 2004 | 4 | 1 |
| Triantafillou, Brando | Brando Triantafillou | Composer, Sound Designer | 2018 | 2 | |
| Tobiasj, E., Semjononvitsj | E. Semjononvitsj Tobiasj | Conductor | 1997 | 1 | |
| Tiboris, Peter | Peter Tiboris | Conductor | 2007 | 1 | |
| Thomas, Michael, Tilson | Michael Tilson Thomas | Conductor | 2013 | 1 | |
| Tennstedt, Klaus | Klaus Tennstedt | Conductor | 1956 | 1 | |
| Tass, Erik | Erik Tass | Conductor | 1956 | 1 | |
| Tango, Egisto | Egisto Tango | Conductor | 1933 | 1 | |
| Trendler, Robert | Robert Trendler | Conductor | 1943 | 1 | |
| Török, Emil | Emil Török | Conductor | 1925 - 1927 | 2 | |
| Török, Rezső | Rezső Török | Conductor | 1930 | 1 | |
| Todorov, Kosta | Kosta Todorov | Conductor | 1923 - 1926 | 2 | |
| Thoroddsen, Emil | Emil Thoroddsen | Conductor | 1928 | 1 | |
| Tselikas, Andreas | Andreas Tselikas | Conductor | 2019 | 1 | |
| Thaulow, Chr. | Chr. Thaulow | Conductor, Musical Director | 1921 | 3 | |
| Thakur, Naveen Singh | Naveen Singh Thakur | Conductor, Musician | 2016 - 2017 | 4 | |
| Thomenius, Maija-Liisa | Maija-Liisa Thomenius | Costume Designer | 1977 - 1986 | 3 | |
| Tazewell, Paul | Paul Tazewell | Costume Designer | 1993 - 1998 | 2 | |
| Trout, Deb | Deb Trout | Costume Designer | 2003 | 1 | |
| Tashiro, Yoko | Yoko Tashiro | Costume Designer | 1997 | 1 | |
| Thomas, Yolanda | Yolanda Thomas | Costume Designer | 2006 | 1 | |
| Tan, Bie Giok | Bie Giok Tan | Costume Designer | 1975 | 1 | |
|
|
