Athletics at the 2015 Pan American Games – Women's 4 × 400 metres relay

The women's 4 × 400 metres sprint competition of the athletics events at the 2015 Pan American Games took place between the 24 and 25 of July at the CIBC Pan Am and Parapan Am Athletics Stadium. The defending Pan American Games champions were Aymée Martínez, Diosmely Peña, Susana Clement, Daisurami Bonne of Cuba.

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

Qualification
Each National Olympic Committee (NOC) ranked in the world's top 16 was able to enter one team.

Results
All times shown are in seconds.