Platychelus karrooensis 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 bronze, but somewhat greenish on the pronotum. The elytra are testaceous red, very shiny, but with scarcely a metallic sheen. The head is very granulose, and slightly pubescent, while the pronotum is very closely scabroso-punctate laterally and in the anterior part, but with somewhat closely set punctures in the median part, very slightly grooved longitudinally in the anterior part only, and clothed with a dense greyish and sub-flavescent, long pubescence. The scutellum is covered with thick flavous hairs and the elytra are very closely punctured, and covered with a very short, appressed, slightly fuscous pubescence. The pygidial part and abdomen are clothed with a very dense, thick yellowish pubescence.