Leptolalax nahangensis (Nahang Asian toad) is a frog species in the family Megophryidae.

It is endemic to Tuyên Quang Province, northern Vietnam.

[2] Its natural habitats are subtropical moist lowland forests, rivers, and caves.

This species has only been found near the entrance to a cave in Na Hang Nature Reserve.

It has golden irises,[3] described as "piercing gold".