Maladera maguanensis is a species of beetle of the family Scarabaeidae. It is found in China (Yunnan).
Adults reach a length of about 12.4 mm. They have a blackish brown, wide, oval body. The antennae are yellowish brown. The dorsal surface is dull (but the labroclypeus, tarsomeres and tibiae are shiny) and glabrous.
The species is named after the type locality, Maguan.