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- Louise Talma (1906–1996)
- David Tamkin (1906–1975)
- Jerod Tate (born 1968)
- Deems Taylor (1885–1966)
- Raynor Taylor (1747–1825)
- James Tenney (1934–2006)
- Eugene Thayer (1838–1889)
- Augusta Read Thomas (born 1964)
- Edward Thomas (born 1924)
- Randall Thompson (1899–1984)
- Robert Scott Thompson (born 1959)
- Virgil Thomson (1896–1989)
- Francis Thorne (born 1922)
- John Thow (1949–2007)
- Frank Ticheli (born 1958)
- Frederick C. Tillis (born 1930)
- Christopher Theofanidis (born 1967)
- Helen Tobias-Duesberg (1919–2010)
- Ernst Toch (1887–1964)
- Michael Torke (born 1961)
- Gonzalo de la Torre (born 1977)
- Joan Tower (born 1938)
- George Tsontakis (born 1951)
- David Tudor (1926–1996)
Read more about this topic: List Of American Composers