The white-bellied munia (Lonchura leucogastra) is a species of estrildid finch. It is found in Malesia. Its natural habitat is subtropical/ tropical lowland moist forest habitat, and it is also found in grasslands and residential areas. The status of the species is evaluated as Least Concern. It is an invasive species.
It is a granivore, consuming 2-2.8 grams of rice per day. It sometimes forages in mixed-species flocks with white-headed munias and Javan munias.