Lepra lichexanthonorstictica is a species of crustose and corticolous (bark-dwelling) lichen in the family Pertusariaceae.

Found in Brazil, it was formally described as a new species in 2021 by Dutch lichenologist André Aptroot.

The type specimen was collected by Aptroot from the summit area of Quiriri (Garuva), at an altitude of 1,350 m (4,430 ft); here it was found growing on the bark of a pine tree.

The lichen is named after its two major secondary compounds, lichexanthone and norstictic acid.

Lepra lichexanthonorstictica has a thin, smooth and glossy thallus ranging in colour from white to very pale yellowish.