Neoserica bairailingshanica is a species of beetle of the family Scarabaeidae. It is found in China (Yunnan).
Adults reach a length of about 11.7 mm. They have a dark brown, oblong body. The antennal club is yellowish brown and the anterior labroclypeus is shiny. The dorsal surface is dull and nearly glabrous.
The species is named according to its occurrence in the Bai Railing Shan.