George Dudley Erwin (20 August 1917 – 29 October 1984) was an Australian politician who served in the House of Representatives from 1955 to 1975, representing the Liberal Party.
He was Chief Government Whip from 1967 to 1969, and played a role in the ascension of John Gorton to the prime ministership after the disappearance of Harold Holt.
He was briefly Minister for Air in 1969, but a falling out with Gorton ended his ministerial career.