Athletics at the 1975 Summer Universiade – Men's 100 metres

The men's 100 metres event at the 1975 Summer Universiade was held at the Stadio Olimpico in Rome on 18 and 19 September.

The winning margin was 0.19 seconds which as of 2024 remains the greatest winning margin for the men's 100 metres at these championships since the introduction of fully automatic timing.

Heats
Wind: Heat 1: ? m/s, Heat 2: +1.0 m/s, Heat 3: +0.6 m/s, Heat 4: ? m/s

Final
Wind: 0.0 m/s