David Morritz de Kretser (born 27 April 1939) is an Australian medical researcher who served as the 27th Governor of Victoria, from 2006 to 2011.

He was educated at St. Paul's Milagiriya and Royal College Primary,[2] before migrating to Australia with his family when he was aged nine.

He studied at Camberwell Grammar School, Melbourne (where he is currently a member of the school board), received his Bachelors of Medicine and Surgery degrees from the University of Melbourne in 1962, and his Doctor of Medicine degree from Monash University in 1969.

De Kretser has been married to Jan for over 40 years, and has four sons: Steve, Mark, Ross and Hugh.

Ross and Steve are Chemical Engineers, Mark is a General Practitioner, and Hugh is a Human Rights lawyer.