David Duncan
David or Dave Duncan may refer to:
Arts and entertainment
- David Duncan (writer), American screenwriter and novelist; wrote the screenplay for The Time Machine
- David Douglas Duncan, American photographer
- Dave Duncan (writer), Scottish-Canadian fantasy and science fiction writer
- David James Duncan, American novelist, essayist, and fly-fisher
Sports
- Davie Duncan, Scottish footballer
- Dave Duncan (baseball), American Major League Baseball player and pitching coach
- David Duncan (footballer), Ghanaian football player and manager
- David Duncan (ski cross), Canadian ski cross racer
Others
- David Duncan (minister), Scottish Presbyterian minister
- David Duncan (politician), British merchant and Liberal politician
- David Duncan (diplomat), British diplomat
- David F. Duncan, American epidemiologist and expert on drug abuse
- David Ewing Duncan, American journalist
- David Duncan (accountant), United States government's star witness in the Arthur Andersen trial
- David Duncan (vintner), American vintner and entrepreneur