Reilhac (French pronunciation: [ʁɛjak]; Occitan: Relhac) is a commune in the Lot department in south-western France.

Exposed to an altered oceanic climate, no permanent watercourse is listed in the commune.

Included in the Dordogne basin, the commune has a remarkable natural heritage: a Natura 2000 site (the “central zone of the Causse de Gramat”) and a natural area of ecological, fauna, and flora interest.

The inhabitants of Reilhac are the Reilhacois and the Reilhacoises.

This Lot geographical article is a stub.