The Sulawesi dwarf kingfisher (Ceyx fallax), is a species of river kingfisher in the Alcedinidae family. It is endemic to Sulawesi island, Indonesia. The species has numerous common names such as Celebes forest kingfisher, blue-crowned kingfisher, Celebes dwarf-kingfisher, and Celebes pygmy-kingfisher. Its natural habitat is subtropical or tropical dry forests. It is threatened by habitat loss.