David Christopher Bushby (born 17 July 1965) is an Australian diplomat and former politician who served as a Senator for Tasmania from August 2007 to January 2019, representing the Liberal Party. He was the Chief Government Whip in the Senate for the Abbott, Turnbull and Morrison Governments from 1 July 2014 until he resigned on 21 January 2019. Bushby currently serves as Consul-General of Australia in Chicago since 2019.