The De Villiers' moss frog (Arthroleptella villiersi) is a minute species of frog in the family Pyxicephalidae, which is endemic to the Western Cape, South Africa.

[1] At around 22 mm (0.87 in) length, it is one of the smallest regional species, though larger than the micro frog.

[2] As with other moss frogs, they do not enter water, but females lay their eggs in damp vegetation, and the frogs hatch directly from the egg capsules.

[2] Its natural habitats are Mediterranean-type shrubby vegetation, rivers, and plantations.

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