The Barabuna tree frog (Litoria contrastens) is a species of frog in the subfamily Pelodryadinae.

It is endemic to Papua New Guinea.

Its natural habitats are swamps and rural gardens.

Litoria contrastens is part of the species-group L. bicolor, which was created to accommodate 7 species from the region that had characteristics in common.

This Pelodryadinae article is a stub.