The men's giant slalom at the 1956 Winter Olympics was held on 29 January on Mount Faloria, outside Cortina d'Ampezzo, Italy. The course on the Ilio Colli run was in length, with a vertical drop of . There were 71 gates for the men to navigate on the course. Ninety-five men from twenty-nine countries entered the race though eight were disqualified. Austrian men swept the medals.