Athletics at the 1981 Summer Universiade – Men's 100 metres

The men's 100 metres event at the 1981 Summer Universiade was held at the Stadionul Naţional in Bucharest on 21 and 22 July 1981.

Heats
Held on 21 July

Wind: Heat 1: -1.9 m/s, Heat 2: +1.9 m/s, Heat 3: -0.4 m/s, Heat 4: +0.3 m/s, Heat 5: +2.1 m/s, Heat 6: +0.7 m/s, Heat 7: ? m/s

Semifinals
Held on 22 July

Wind: Heat 1: -0.8 m/s, Heat 2: +0.5 m/s, Heat 3: -0.6 m/s

Final
Held on 22 July

Wind: -0.5 m/s