Maladera nitididorsis is a species of beetle of the family Scarabaeidae. It is found in Japan.
Adults reach a length of about 8 mm. They have a rufous, elongate-oval, feebly convex, somewhat depressed body. The frons is piceous, while the clypeus and pronotum are infuscate. The dorsal surface, antennae and legs are shining and the ventral surface is opaque.