Ololygon cardosoi is a species of frog in the family Hylidae.

[1] The specific name cardosoi honors Adão José Cardoso, a Brazilian herpetologist.

[1] Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montane forests, and rivers.

It is threatened by habitat loss.

This Hylidae-related article is a stub.