Douglas "Doug" James Hilton (born 13 June 1964 in England) is an Australian molecular biologist.
He is the Director of the Walter and Eliza Hall Institute of Medical Research in Melbourne, Australia and Head of the Department of Medical Biology at the University of Melbourne.
His research has focused on cytokines, signal transduction pathways and the regulation of blood cell formation (hematopoiesis).
Since 2014, Hilton has been the President of the Association of the Australian Medical Research Institutes (AAMRI).