Donham is a surname. Notable people with the surname include:
Bill Donham (1918–1998), member of the Ohio House of Representatives Bob Donham (1926–1983), American basketball player Wallace Brett Donham (1877–1954), American organizational theorist, professor, and Harvard Business School dean William R. Donham (1875–1945), justice of the Arkansas Supreme Court
See also Downham (disambiguation)