Athletics at the 1956 Summer Olympics – Men's 100 metres
The men's 100 metres sprint event at the 1956 Olympic Games in Melbourne, Australia, was held at the Melbourne Cricket Ground on 23 and 24 November. Sixty-five athletes from 31 nations competed; each nation was limited to three athletes. The final was won by American Bobby Morrow, marking the fifth consecutive victory by a different American. Hec Hogan of Australia won that country's first medal in the event since 1900. The competition took place in strong winds, with the final run into a headwind.