David Williamson (born 1942) is an Australian playwright.
David Williamson may also refer to: David Williamson, Baron Williamson of Horton (1934–2015), British and European civil servant David Williamson (businessman) (born 1961), Executive Director of Operations at Newcastle United Football Club David Williamson (footballer) (born 1975), Hong Kong-born footballer David Williamson (soldier) (1752–1814), American colonel in the Pennsylvania militia during the Revolutionary War David Williamson (British politician) (1868–1955), British editor and politician David G. Williamson (born 1940), British historian David P. Williamson (born 1967), professor of operations research at Cornell University David Williamson, Lord Balgray (1761–1837), Senator of the College of Justice in Scotland David Theodore Nelson Williamson (1923–1992), British electronics engineer David Williamson (magician) (born 1961), stage magician David Williamson (minister) (c. 1634–1706), Scottish minister and Covenanter Dave Williamson, stand-up comedian
See also David Williamson Carroll (1816–1905), Arkansas politician