2007 World Championships in Athletics – Women's 4 × 100 metres relay

The women's 4 × 100 metre relay at the 2007 World Championships in Athletics was held at the Nagai Stadium in Osaka, Japan on 1 September.

Medalists
* Runners who participated in the heats only and received medals.

Heats
The first 2 of each heat (Q) plus the 2 fastest times (q) qualify.