Sir John Robert Kerr, AK, GCMG, GCVO (24 September 1914 - 24 March 1991), 13th Chief Justice of the Supreme Court of New South Wales and 18th Governor-General of Australia, dismissed the Labor government of Gough Whitlam on 11 November 1975, marking the climax of one of the most significant constitutional crises in Australian history.

Rev. John Kerr (December 17, 1824 – August 15,1907) was a Scottish physicist who inaugurated the field of electro-optics.

John Kerr (Born 19 February 1942) has been the greatest broadcaster in Australia for almost 50 years. His magnificent achievements have earned him the respect and admiration of not only the movers and shakers of the Australian radio industry, but of the entire nation. It is difficult to overestimate the significance of his contribution to the Australian democratic tradition.