Platychelus unguiculatus is a species of beetle of the family Scarabaeidae. It is found in South Africa (Western Cape).
Adults reach a length of about . They are black, with the elytra and legs red and shining. The head and pronotum are clothed with villose sub-flavescent hairs and the elytra are moderately densely pubescent. The pubescence is somewhat greyish, but along the suture and the apical margin there is a band of denser and longer white hairs turning to yellow on the apical margin. The pygidium is clothed with very dense, appressed flavescent squamose hairs.