Donald Grantham (born November 9, 1947) is an American composer and music educator.
For two summers he studied under famed French composer and pedagogue, Nadia Boulanger at the American Conservatory in France.
Grantham is the recipient of a Guggenheim Fellowship and three separate grants from the National Endowment for the Arts.
The symphony orchestras of Atlanta, Cleveland, and Dallas are among the ensembles that have performed Grantham's works.
He also collaborated with fellow composer Kent Kennan to author the textbook The Technique of Orchestration.