Victor Peter Chang, AC (born Chang Yam Him; 21 November 1936 – 4 July 1991), was an Australian cardiac surgeon and a pioneer of modern heart transplantation. After completing his medical studies at the University of Sydney and working in St Vincent's Hospital, he trained in the United Kingdom and the United States as a surgeon before returning to Australia. In St Vincent's Hospital, he helped establish the National Cardiac Transplant Unit, the country's leading centre for heart and lung transplants. Chang's team had a high success rate in performing heart transplantations and he pioneered the development of an artificial heart valve.