Oncocephala wilmalegaspiae is a species of beetle of the family Chrysomelidae. It is found in Togo and Liberia.
Adults reach a length of about 5âÂÂ6.1 mm. The head, pronotum, elytra and legs are dark brown with a black tinge and the explanate margin of the elytra is yellow. The antennae are black.
No host plant has been documented for this species.