Gastroserica yingi is a species of beetle of the family Scarabaeidae. It is found in China (Guangxi, Hainan, Yunnan).
Adults reach a length of about 7.6 mm. They have a dark brown, oval and egg shaped body. The elytra are blackish and the dorsal surface is dull and has moderately dense erect setae mixed with dense and very short ones.
The species name refers to one of its collectors, Mr. Ying.