Hiram Pendleton Caton III (16 August 1936 – 13 December 2010) was a Professor of politics and history at Griffith University, Brisbane, Australia, until his retirement. He was an ethicist, a Fellow of the Australian Institute of Biology (since 1994), and a founding member of the Association for Politics and the Life Sciences. He was an officer of the International Society for Human Ethology. Caton held a National Humanities Fellowship at the National Humanities Center in 1982–83.