Athletics at the 1983 Pan American Games – Men's 100 metres

The men's 100 metres event at the 1983 Pan American Games was held in Caracas, Venezuela on 23 and 24 August.

Medalists
Juan Núñez of the Dominican Republic had originally won the silver, however, at the competition he tested positive for a banned stimulant fencamfamine and was stripped of his medal.

Heats
Wind: Heat 1: -2.6 m/s, Heat 2: -2.4 m/s, Heat 3: -2.5 m/s

Semifinals
Wind: Heat 1: -1.5 m/s, Heat 2: -1.4 m/s

Final
Wind: +2.0 m/s