Leo Radom  (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.
He is fellow of the Australian Academy of Science (1988) and  in 2008 was awarded its Craig Medal for contributions of a high order to any branch of chemistry          by active researchers. He is a member of the International Academy of Quantum Molecular Science (1989). Until 2011, he was President of the World Association of Theoretical and Computational Chemists (WATOC) and organised the WATOC 2008 Conference in Sydney, Australia.