James Killen, Australian soldier, lawyer, and politician, 38th Australian Minister for Defence (b. 1925)

Sir Denis James "Jim" Killen, (23 November 1925 – 12 January 2007) was an Australian politician and a Liberal Party member of the Australian House of Representatives from December 1955 to August 1983, representing the Division of Moreton in Queensland. He served as Vice-President of the Executive Council, Minister for Defence and Minister for the Navy during his parliamentary career.