Athletics at the 1982 Commonwealth Games – Men's 100 metres

The men's 100 metres event at the 1982 Commonwealth Games was held at the QE II Stadium in Brisbane, Australia on 3-4 October 1982.

The winning margin was 0.03 seconds, matching the winning margins from Cardiff in 1958 and Kingston in 1966. As of 2024, these finals are the closest men's 100 metres finals at these games.

Heats
Qualification: First 6 in each heat (Q) and the next 6 fastest (q) qualify for the quarterfinals.

Wind:
 * Heat 1: +1.9 m/s
 * Heat 2: -1.3 m/s
 * Heat 3: -1.6 m/s
 * Heat 4: 0.0 m/s
 * Heat 5: 0.0 m/s

Quarterfinals
Qualification: First 4 in each heat (Q) and the next 2 fastest (q) qualify for the semifinals.

Wind:
 * Heat 1: +2.6 m/s
 * Heat 2: 0.0 m/s
 * Heat 3: +3.5 m/s
 * Heat 4: +2.6 m/s

Semifinals
Qualification: First 4 in each semifinal (Q) and the next 1 fastest (q) qualify for the final.

Wind: Heat 1: +0.9 m/s, Heat 2: +1.9 m/s

Final
Wind: +5.9 m/s