The orange-bellied euphonia (Euphonia xanthogaster) is a species of bird in the finch family, Fringillidae.

It is found in Bolivia, Brazil, Colombia, Ecuador, Guyana, Panama, Peru, and Venezuela.

Its natural habitats are subtropical or tropical moist lowland forest and subtropical or tropical moist montane forest.

Eleven subspecies are recognised:[2]

This Fringillidae-related article is a stub.