Vice Admiral David John Shackleton AO (born 2 March 1948, Leeds UK) was a Vice Admiral of the Royal Australian Navy, and was Chief of Navy from 1999-2002.
He is a graduate of the RAN Staff College and the Joint Services Staff College, and has earned an MBA (Executive) from Monash University. He is a Fellow of the Australian Institute of Management and a Fellow of the Australian Institute of Company Directors.
He was promoted to Rear Admiral in 1998, and then Vice Admiral and Chief of the Navy in 1999. He initiated wide ranging changes across the Navy.
He was a senior Navy witness to the Senate Enquiry into the Children overboard affair. He was appointed as an Officer in the Order of Australia in 2000, and Commander in the U.S Legion of Merit in 2001. He retired from the navy in 2002.