Luke Hartsuyker (pronounced Hartseeker) (born 26 October 1959) is a former Australian politician who was a member of the House of Representatives from 2001 to 2019, representing the Division of Cowper in New South Wales for the National Party. He served as a government minister in the Turnbull Government and an assistant minister in the Abbott Government. In August 2018, he announced he would retire from parliament at the 2019 federal election.