Athletics at the 1975 Pan American Games – Men's 100 metres

The men's 100 metres event at the 1975 Pan American Games was held in Mexico City on 13 and 14 October.

Heats
Wind: Heat 1: 0.0 m/s, Heat 2: -1.6 m/s, Heat 3: -1.0 m/s, Heat 4: -1.4 m/s, Heat 5: 0.0 m/s

Semifinals
Wind: Heat 1: +1.4 m/s, Heat 2: 0.0 m/s

Final
Wind: -0.4 m/s