Peter H Beighton (born 1934) is a medical geneticist. Born in Lancashire in England in 1934 and qualified in medicine in 1957 at St Mary's Hospital, University of London. After several internships, Beighton served as a Medical Officer in the Parachute Regiment and with the United Nations forces during the Congo Crisis. In 1966 Beighton began training in internal medicine at St Thomas' Hospital in London and held a Fulbright research fellowship in clinical genetics in 1968-69 with Dr. Victor McKusick at Johns Hopkins Hospital in Baltimore, USA.