Athletics at the 1986 Commonwealth Games – Women's 100 metres

The women's 100 metres event at the 1986 Commonwealth Games was held at the Meadowbank Stadium in Edinburgh on 27 July 1986.

The winning margin was 0.01 seconds which as of 2024 remains the narrowest winning margin in the women's 100 metres at these games.

Heats
Qualification: First 3 of each heat (Q) and the next 2 fastest (q) qualified for the final.

Wind: Heat 1: +2.5 m/s, Heat 2: +2.0 m/s

Final
Wind: +2.3 m/s