Neoserica shinkaisiensis is a species of beetle of the family Scarabaeidae. It is found in China (Sichuan).
Adults reach a length of about 7.7 mm. They have a yellowish brown, oblong body. The labroclypeus and antennae are yellow and the dorsal surface is dull and nearly glabrous.
The species is named after its type locality, ShinKaiSi.