Variable dwarf kingfisher is a common name of a group of kingfishers in the genus, Ceyx, which has been split into the following species:
Moluccan dwarf kingfisher, Ceyx lepidus
Dimorphic dwarf kingfisher, Ceyx margarethae
Sula dwarf kingfisher, Ceyx wallacii
Buru dwarf kingfisher, Ceyx cajeli
Papuan dwarf kingfisher, Ceyx solitarius
Manus dwarf kingfisher, Ceyx dispar
New Ireland dwarf kingfisher, Ceyx mulcatus
New Britain dwarf kingfisher, Ceyx sacerdotis
North Solomons dwarf kingfisher, Ceyx meeki
New Georgia dwarf kingfisher, Ceyx collectoris
Malaita dwarf kingfisher, Ceyx malaitae
Guadalcanal dwarf kingfisher, Ceyx nigromaxilla
Makira dwarf kingfisher, Ceyx gentianus