Lithogenes wahari is a species of freshwater ray-finned fish belonging to the family Loricariidae, the suckermouth armoured catfishes. This catfish is endemic to Venezuela where it is only known from its type locality in Pawa stream, a tributary of the Cuao River, in the drainage system of the Sipapo River in Amazonas state, in the Guiana Shield. This species reaches a standard length of . The specific name, wahari, is derived from Rúa-Wahari, the creator god of the Piaroa people who are indigenous to the middle of the Orinoco basin, within which this species is found.