The Pirsaat (Azerbaijani: Pirsaatçay) is a river in Azerbaijan which flows through Ismailli, Shamakhi and Salyan Rayons.

It discharges into the Caspian Sea near the village Xıdırlı.

[1] The river is fed by snow, rain and groundwater.

On the right bank of the Pirsaat is Chukhuryurd village inhabited by molokans.

The medieval Pirsaatchay Khanagah is at the Salyan portion of the river.