Oncocephala acutangula is a species of beetle of the family Chrysomelidae. It is found in the Philippines (Luzon, Visayas).
Adults reach a length of about 4.8âÂÂ5.3 mm. The head, pronotum, elytra and legs are pale brown with a black tinge, while the antennae are black with a dark brown tinge, becoming pale brown towards the apex.
The recorded host plants for this species are orchids (Orchidaceae).