Guibemantis pulcherrimus is a species of frog in the family Mantellidae.

It is endemic to forests in the northern part Madagascar.

It was discovered to be a distinct species in 2023, and can be distinguished from Guibemantis pulcher through its DNA, vocalizations and location.

[1] Additionally, they have more, but smaller, spots on their back, and less pronounced brown patches on their sides.

This Mantellidae article is a stub.