The grey-crowned mannikin (Lonchura nevermanni), or grey-crowned munia, is a species of estrildid finch of southern New Guinea.

It has an estimated global extent of occurrence of 20,000 to 50,000 km2.

It is found in moist savanna & wetlands habitats.

The status of the species is evaluated as Least Concern.

This Estrildidae-related article is a stub.