T
- Mousse T. (b. 1966) —Pornorama
- Germaine Tailleferre (1892-1983) —Ces dames aux chapeaux verts, Les deux timides, Le Petit Chose
- Masafumi Takada (b. 1970) —Killer7, Resident Evil: The Umbrella Chronicles, No More Heroes, Michigan: Report from Hell
- Tōru Takemitsu (1930–1996) —Ran, Dodes'ka-den, Woman in the Dunes, Pitfall, The Face of Another, Empire of Passion, Kwaidan
- Joby Talbot (b.1971) —The Hitchhiker's Guide to the Galaxy, The League of Gentlemen's Apocalypse, Franklyn
- Frédéric Talgorn (b. 1961) —Robot Jox, Fortress, Heavy Metal 2000
- Tan Dun (b.1957) —Crouching Tiger, Hidden Dragon, Hero, Don't Cry, Nanking, The Banquet
- Kōhei Tanaka (b.1954) —Vampire Princess Miyu, Alundra, The Granstream Saga
- Tangerine Dream (formed 1967) —Legend, Firestarter, Thief, Sorcerer
- Mikael Tariverdiev
- Brian Tarquin
- John Tavener (b.1944) —Children of Men, Pilgrimage, Battle in Heaven
- Michael Tavera
- Mick Taylor
- Terry Scott Taylor (b.1950) —The Neverhood, Skullmonkeys, Project G.e.e.K.e.R.
- Boris Tchaikovsky
- Team Shanghai Alice
- Jeroen Tel
- Sébastien Tellier
- Bob Telson
- Tenacious D (formed 1994) —Tenacious D in The Pick of Destiny, Tenacious D
- Tenmon (b. 1971) —She and Her Cat, The Place Promised in Our Early Days, Voices of a Distant Star
- Neil Tennant
- John Tesh
- Jeanine Tesori
- Francois Tetaz
- Alan Tew
- Third Ear Band —Abelard and Heloise, Macbeth
- Mikis Theodorakis (b. 1925) —Zorba the Greek, Z, Serpico, State of Siege
- They Might Be Giants
- Maurice Thiriet
- Chance Thomas
- Pete Thomas
- Peter Thomas (b. 1925) —Raumpatrouille – Die phantastischen Abenteuer des Raumschiffes Orion, The Big Boss, Chariots of the Gods
- Stuart Michael Thomas
- Virgil Thomson
- Jon Mikl Thor
- Ken Thorne
- Throbbing Gristle (formed 1975) —In the Shadow of the Sun
- Yann Tiersen
- Tôn-Thất Tiết
- Martin Tillman
- Chris Tilton
- Christopher Tin
- Tindersticks
- Dimitri Tiomkin
- George Tipton
- Boris Tishchenko
- Amon Tobin
- Ernst Toch
- Pyotr Todorovsky
- Richard Tognetti
- Magome Togoshi
- Sotaro Tojima
- Tokyo Ska Paradise Orchestra (formed 1985) —Incredible Crisis, Sly Cooper and the Thievius Raccoonus
- James Tomalin
- tomandandy —Killing Zoe, Arlington Road, The Hills Have Eyes, Resident Evil: Afterlife
- Tomatito (b. 1958) —Vengo
- Isao Tomita
- Sheridan Tongue
- Pınar Toprak
- Ceiri Torjussen
- Veljo Tormis
- David Torn
- Raúl de la Torre
- Kazumi Totaka
- Toto (formed 1977) —Dune
- Colin Towns
- Kazuhiko Toyama
- Jeff Toyne
- The Transcenders
- Joseph Trapanese
- Stephen Trask
- Armando Trovaioli
- Amit Trivedi
- Andrzej Trzaskowski
- Mark Tschanz
- Yuka Tsujiyoko
- Jonathan Tunick
- Tuxedomoon
- Tommy Tycho
- Tom Tykwer
- Brian Tyler
- Jeff Tymoschuk
- Christopher Tyng
- Gerald Tyrwhitt-Wilson, 14th Baron Berners (1883–1950) —Nicholas Nickleby, The Halfway House, Champagne Charlie
Read more about this topic: List Of Film Score Composers