The men's horizontal bar competition was one of eight events for male competitors in artistic gymnastics at the 1984 Summer Olympics in Los Angeles. The qualification and final rounds took place on July 29, 31 and August 4 at UCLA’s Pauley Pavilion. There were 71 competitors from 19 nations, with nations competing in the team event having 6 gymnasts while other nations could have to up to 3 gymnasts. The event was won by Shinji Morisue of Japan, continuing the nation's dominant streak where it left off before the 1980 boycott. Morisue scored a perfect 20 in the event (requiring all three exercises to receive perfect 10s); he was one of only three gymnasts to achieve a perfect 20 on an apparatus (and the only male gymnast to do so) during the 20-point era (1952–1988). The gold medal was Jap