Oncocephala polilloana is a species of beetle of the family Chrysomelidae. It is found in the Philippines (Luzon, Mindanao).
Adults reach a length of about 5âÂÂ5.9 mm. The head, pronotum, elytra and legs are dark brown with a black tinge, while the antennae are dark brown, with the apical antennomere paler.
No host plant has been documented for this species.