Robert John Debus AM (born 16 September 1943) is a former Australian politician who served as a member of the Australian House of Representatives and the New South Wales Legislative Assembly, representing the Labor Party. Debus has been a minister in both the Australian and New South Wales governments. He served in the NSW Parliament from 1981 to 1988 and again from 1995 to 2007; and in the Australian Parliament from 2007 to 2010.