Athletics at the 1982 Commonwealth Games – Women's 400 metres

The women's 400 metres event at the 1982 Commonwealth Games was held on 3 and 4 October at the QE II Stadium in Brisbane, Australia.

Heats
Qualification: First 5 in each heat (Q) and the next 3 fastest (q) qualify for the semifinals.

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