The women's tournament of water polo at the 2019 Pan American Games in Lima, Peru took place between 4 and 10 August at the Villa María del Triunfo Aquatic Centre.

[1] The winner of the competition qualifies directly for the 2020 Summer Olympics in Tokyo, Japan.

A total of eight teams qualified to compete in the tournament.

Teams are split into 2 round-robin groups of 4 teams each, where the final positions in each group will determine seedings for the knockout stage.

The losing teams from the quarterfinals stage will compete in a separate single elimination bracket to determine fifth through eighth places in the final rankings.