Oreolalax nanjiangensis (Nanjiang toothed toad) is a species of amphibian in the Megophryidae family. It is endemic to China. It is known from the area of the type locality, Mount Guangwu (Nanjiang County, northern Sichuan), as well as adjacent southern Gansu and southwestern Shaanxi. Its natural habitats are temperate forests and rivers. It is threatened by habitat loss associated with tourism.