Athletics at the 2011 Pan American Games – Women's 4 × 100 metres relay

The women's 4 x 100 metres relay competition of the athletics events at the 2011 Pan American Games took place on the 28th October at the Telmex Athletics Stadium. The defending Pan American Games champion were Sheri-Ann Brooks, Tracy-Ann Rowe, Aleen Bailey and Peta-Gaye Gayle of Jamaica.

Records
Prior to this competition, the existing world and Pan American Games records were as follows:

Qualification
Each National Olympic Committee (NOC) was able to enter one team.

Results
All times shown are in seconds.

Final
Held on October 28.