David Duncan may refer to:
- David Duncan (ski cross) (born 1982), Canadian ski cross racer
- Dave Duncan (baseball) (born 1945), Major League Baseball player
- Dave Duncan (writer) (born 1933), Canadian writer
- David Duncan (accountant) (born 1960), United States government's star witness in the Arthur Andersen trial
- David Duncan (UK politician) (1830–1886), British merchant and Liberal politician
- David Duncan (writer) (1913–1999), American screenwriter and novelist; wrote the screenplay for The Time Machine
- David Douglas Duncan (born 1916), American photographer
- David Ewing Duncan (born 1958), American journalist
- David F. Duncan (born 1947), epidemiologist and expert on drug abuse
- David James Duncan (born 1952), American novelist, essayist, and fly-fisher
- Davie Duncan (1921–1991), Scottish footballer
- David Duncan (minister) (1789–1829), Scottish Presbyterian Minister
Famous quotes containing the words david and/or duncan:
“Most men I do not meet at all, for they seem not to have time; they are busy about their beans.”
—Henry David Thoreau (1817–1862)
“This was once
a city among men, a gathering together of spirit.
It was measured by the Lord and found wanting.”
—Robert Duncan (b. 1919)