Leo Radom AC (born 13 December 1944) is a computational chemist and Emeritus Professor of Chemistry at the University of Sydney. He attended North Sydney Boys High School. He has a PhD and a DSc from the University of Sydney and carried out postdoctoral research under the late Sir John Pople. Previously, he was Professor at the Research School of Chemistry at the Australian National University in Canberra, Australia. He has published over 460 papers.