Simonyi is a surname of Hungarian origin. Notable people with the surname include:
András Simonyi, Hungarian diplomat André Simonyi, Hungarian-French football player Charles Simonyi, software developer and space tourist Simonyi Professorship for the Public Understanding of Science, chair at Oxford endowed by Charles Károly Simonyi, Hungarian electrical engineer, father of Charles Lajos Simonyi, Hungarian politician Sándor Simonyi-Semadam, Hungarian politician, lawyer and Prime Minister
See also
related surname: Abner Shimony, American physicist and philosopher of science Simony (disambiguation)