The men's 77 kilograms weightlifting event was the fourth lightest men's event at the weightlifting competition, limiting competitors to a maximum of 77 kilograms of body mass. The whole competition took place on August 13, but was divided in two parts due to the number of competitors. Group B weightlifters competed at 10:00, and Group A at 19:00. This event was the ninth weightlifting event to conclude.