| Tr!p, DJ | DJ Tr!p | Composer | 2008 - 2013 | 2 | |
| Themelis, Dimitris | Dimitris Themelis | Composer | 1984 | 1 | |
| Teruggi, Daniel | Daniel Teruggi | Composer | 1989 | 1 | |
| Terni, Paolo | Paolo Terni | Composer | 1990 - 1996 | 5 | |
| Thompson, Bill | Bill Thompson | Composer | 1991 | 1 | |
| Telemann, Georg, Philipp | Georg Philipp Telemann | Composer | 1993 | 1 | |
| Tiso, Wagner | Wagner Tiso | Composer | 1994 | 1 | |
| Topol, Filip | Filip Topol | Composer | 1995 | 1 | |
| Thomas, Olivier | Olivier Thomas | Composer | 1995 - 1996 | 4 | |
| Tapio, Jorma | Jorma Tapio | Composer | 1997 | 1 | |
| Terzakis, Dimitris | Dimitris Terzakis | Composer | 1964 - 1965 | 2 | |
| Theater, Dream | Dream Theater | Composer | 2002 | 1 | |
| Tazartès, Ghédalia | Ghédalia Tazartès | Composer | 2003 | 6 | |
| Tute, John | John Tute | Composer | 2004 | 1 | |
| Trafton, Joseph L. | Joseph L. Trafton | Composer | 2005 | 1 | |
| Topolski, Krzysztof | Krzysztof Topolski | Composer | 2011 | 1 | |
| Trivedi, Rohan | Rohan Trivedi | Composer | 2006 | 1 | |
| Tripathy, Chittaranjan | Chittaranjan Tripathy | Composer | 2006 | 1 | |
| Tadini, Michele | Michele Tadini | Composer | 2016 - 2017 | 12 | |
| Tanakawa, Hiroko | Hiroko Tanakawa | Composer | 2010 | 1 | |
| 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 | |
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