Puycasquier (French pronunciation: [pɥikaskje]; Puicasquèr in Gascon) is a commune in the Gers department in southwestern France.

The river Auroue flows north-northwest through the western part of the commune.

Home to the historic 'Gachet' family.

Puycasquier was home to a population of Cagots previously.

This Gers geographical article is a stub.