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- Steve Jablonsky (born 1970)
- Frederick Jacobi (1891–1952)
- Stephen Jaffe (born 1954)
- Philip James (1890–1975)
- David C. Johnson (born 1940)
- David N. Johnson (1922–1987)
- James P. Johnson (1894–1955)
- Tom Johnson (born 1939)
- Ben Johnston (born 1926)
- Edwin Arthur Jones (1853–1911)
- Ron Jones (born 1954)
- Samuel Jones (born 1935)
- Scott Joplin (1868–1917)
- Bradley Joseph (born 1965)
Read more about this topic: List Of American Composers