The Lightfoot's Moss Frog (Arthroleptella lightfooti) (aka Cape Peninsula Moss Frog) is a species of frog in the Petropedetidae family. It is endemic to South Africa. Its natural habitats are temperate forests, Mediterranean-type shrubby vegetation, and rivers. It is threatened by habitat loss.
This species is endemic to Table Mountain and to the other mountains of the Cape Peninsula, South Africa, where it occurs from sea level up to 1,000 m asl. It is very restricted with a small Extent of Occurrence (134 km2) and an Area of Occupancy estimated to be 10%.