Hamadryas is a genus of flowering, perennial herbs in the family Ranunculaceae.

[1] It is found in the southernmost regions of Chile and Argentina, as well as the Falkland Islands, predominantly in alpine and sub-alpine habitats.

The range of one species, Hamadryas delfinii, extends north into San Juan Province, Argentina.

The five identified species are

This Ranunculaceae article is a stub.