Simon Vincent McKeon AO (born 19 December 1955) is an Australian lawyer, businessman, and administrator. He has been chancellor of Monash University, and non-executive director of Rio Tinto, Spotless Group, and National Australia Bank. He is retained by Macquarie Bank Melbourne as a consultant and is a fellow of the Australian Institute of Company Directors. On 25 January 2011 he was named the 2011 Australian of the Year.