Neoserica rutilans is a species of beetle of the family Scarabaeidae. It is found in north-eastern India (western Arunachal Pradesh) and China (Yunnan, Xizang).
Adults reach a length of about 11.5-12.8 mm. They have a dark reddish brown, oval body, with some greenish shine dorsally. The dorsal surface is weakly shining and sparsely setose.
The species name is derived from Latin rutilans (meaning reddish shimmering).