Peter James Nixon AO (born 22 March 1928) is a former Australian politician representing the National Party (and also under its former name, the Country Party).Born in Orbost, Victoria, Nixon was a grazier and company director. Prior to the 1961 election he gained Country Party pre-selection for the rural Division of Gippsland, following the sudden death of the original candidate. He was elected and was returned at every subsequent election he contested.