Swimming at the 2019 Pan American Games – Women's 100 metre freestyle

The women's 100 metre freestyle competition of the swimming events at the 2019 Pan American Games was held on 8 August 2019 at the Villa Deportiva Nacional Videna cluster.

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

Heats
The first round was held on August 8.

Final B
The b final was also held on August 8.

Final A
The A final was also held on August 8.