Pierella hyalinus, the glassy pierella or the hyalinus pierella,[2] is a species of butterfly in the brush-footed butterfly family Nymphalidae.

It was first described by Johann Friedrich Gmelin in 1790.

[3] Early researchers applied the moniker Pierella hyalinus to the insects found in the Amazon and Trinidad.

Clifton was of the opinion that there existed a species complex between P. hyalinus and P.

[3] P. hyalinus is differentiated from P. lena by the M3 terminal branch of the dorsal hindwing being prolonged, forming a sickle projection on the outer margin, and the marginal region with bluish scales.