Ctenotus quinkan, the Quinkan ctenotus, is a species of Australian skink, a lizard in the family Scincidae.
The skink is olive-brown in colour with an average Snout-Vent length of .
The species was first formally described by Glen Ingram in 1979.
The species is endemic to the area around Cooktown in Queensland in Australia. It has only been recorded in the sandstone escarpments of the Cooktown-Laura area.