Oncocephala montivaga is a species of beetle of the family Chrysomelidae. It is found in Senegal, Guinea, Liberia, Togo, Kenya and Zimbabwe.
Adults reach a length of about 4.9âÂÂ5.7 mm. The head, pronotum, elytra and legs are light brownish with a black tinge, while the antennae are dark brownish.
No host plant has been documented for this species.