Metaphryniscus is a monotypic genus of toads in the family Bufonidae.

The sole species is Metaphryniscus sosae.

[3] The species, and thereby the whole genus, is endemic to Venezuela and only known from its type locality, Cerro Marahuaca.

[2] Its natural habitat is subtropical or tropical moist montane forests.

This Bufonidae article is a stub.