David Duncan

David Duncan may refer to:

• David Duncan (diplomat) (1923–2007), British diplomat
• David Duncan (ski cross) (born 1982), Canadian ski cross racer
• Dave Duncan (baseball) (born 1945), former Major League Baseball player and pitching coach
• 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 (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
• David Duncan (vintner) (born 1965), American vintner and entrepreneur
• David Duncan (footballer) (born 1963), former Ghanaian player and current manager of Accra Hearts of Oak S.C.