Agriades pyrenaicus, the Gavarnie blue, is a Palearctic butterfly of the family Lycaenidae.

[1] It is found in the Asturias mountains of north-western Spain, the Pyrenees, the southern Balkan Peninsula, Turkey, the Caucasus and Armenia.

[2] The habitat consists of alpine grassy rocky meadows where it is found at altitudes ranging from 1,500 to 2,200 meters.

On the upperside a grey discal spot centers each wing, on the underside the forewings are decorated with black dots circled in white and the hindwings have a sub-marginal line of white dots some centered yellow.

The larvae feed on Androsace species.