
Plethodontohyla is a genus of microhylid frogs endemic to Madagascar.

Plethodontohyla alluaudi is a frog belonging to the Madagascar-endemic subfamily Cophylinae of the family Microhylidae. It is endemic to southeastern Madagascar. It is a terrestrial and fossorial frog that occurs in rainforest, including littoral forest. Despite being locally abundant, it is a difficult frog to find.

Plethodontohyla bipunctata is a species of frog in the family Microhylidae. It is endemic to Madagascar. Its natural habitats are subtropical or tropical moist lowland forests and heavily degraded former forest. It is threatened by habitat loss.

Plethodontohyla inguinalis is a species of frog in the family Microhylidae. It is endemic to Madagascar. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montane forests. It is threatened by habitat loss.

Plethodontohyla mihanika is a species of frog in the family Microhylidae. It is endemic to Madagascar. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montane forests, and heavily degraded former forest.

Plethodontohyla notosticta is a species of frog in the family Microhylidae. It is endemic to Madagascar. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montane forests, and heavily degraded former forest. It is threatened by habitat loss.

Plethodontohyla ocellata is a species of frog in the family Microhylidae. It is endemic to Madagascar. Its natural habitat is subtropical or tropical moist lowland forests. It is threatened by habitat loss.

Plethodontohyla tuberata is a species of frog in the family Microhylidae. It is endemic to Madagascar. Its natural habitats are subtropical or tropical moist montane forests, subtropical or tropical high-altitude shrubland, subtropical or tropical high-altitude grassland, arable land, plantations, rural gardens, and heavily degraded former forest. It is threatened by habitat loss.