Cordulephya is a genus of dragonflies assigned to the superfamily Libelluloidea, and endemic to eastern Australia.

[2] The species are small to tiny in size, coloured black, or purplish-black, with yellowish markings.

Unusually for Anisoptera, these dragonflies rest with their wings folded above their body in a similar manner to many species of damselfly.

The genus Cordulephya includes four species:[2][5] Cordulephya was formerly considered a genus within the family Cordulephyidae.

[6] Recent taxonomic revisions have classified the genus Cordulephya as no longer being assigned to a family, but is now placed incertae sedis within the superfamily Libelluloidea.