The black-breasted mannikin (Lonchura teerinki), also known as black-breasted munia, is a species of estrildid finch endemic to West Papua, Indonesia. It has an estimated global extent of occurrence of 20,000 to 50,000 km2. It is found in subtropical/ tropical lowland dry shrubland and high altitude grassland habitat. The status of the species is Least Concern.