David Barry may refer to:David de Barry, 5th Viscount Buttevant (1550–1617), Irish peer
David Barry, 1st Earl of Barrymore (1604–1642)
David Barry (physician) (1780–1835), Irish physician and physiologist
David Francis Barry (1854–1934), photographer of the American West
David S. Barry (1859–1936), American journalist
Dave Barry (1888–1913), VFL and WAFL footballer
Dave Barry (actor) (1918–2001), American actor, comedian, and radio moderator
David Barry (actor), Welsh actor from sitcom Please Sir!
Dave Barry, American columnist
Dave Barry, dual code Irish footballer