Christopher John Crewther (born 6 August 1983) is a former Australian politician who served in the House of Representatives from 2016 to 2019.
He represented the Division of Dunkley in Victoria for the Liberal Party.
He succeeded the previous member, Bruce Billson, at the 2016 federal election, serving under the Turnbull and then Morrison Liberal Nationals Government.
He was the youngest MP in the House of Representatives from his election until July 2018, and the youngest MP in the Government throughout his term.
Following a boundary redistribution which made his seat notionally Labor, he lost his seat to Labor's Peta Murphy at the 2019 election.