Cybocephalidae is a family of sap, bark and fungus beetles in the order Coleoptera with a wide global distribution. The type genus Cybocephalus has more than 200 species in it and the entire family has about 220 species in all. Many species are predators of armoured scale insects (Diaspididae). There are four tarsal segments on all the legs. The body is only slightly longer than wide and very convex and shiny. They are small and about 1 to 3 mm long. The insect can roll into a ball like position with its downward facing head. The tarsomeres are lobed underneath. The family is sometimes treated as a subfamily within the Nitidulidae.

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