Oncocephala bicristata is a species of beetle of the family Chrysomelidae. It is found in Indonesia (Sulawesi) and the Philippines (Leyte, Luzon, Mindanao, Mindoro).
Adults reach a length of about 4.8âÂÂ5.5 mm. The head, pronotum and elytra are brown with a black tinge, while the legs are brown and the antennae are dark brown.
No host plant has been documented for this species.