Gastroserica fukiensis is a species of beetle of the family Scarabaeidae. It is found in China (Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hubei, Jiangxi, Zhejiang) and Taiwan.
Adults reach a length of about 5.8 mm. They have a yellowish brown, oval body. The head and ventral surface (including abdomen and most of the pygidium) are blackish. The dorsal surface is dull and nearly glabrous.