Maladera beidouensis is a species of beetle of the family Scarabaeidae. It is found in China (Guangxi).
Adults reach a length of about 9.9 mm. They have a dark brown, oblong-oval body. The antennae are yellow. The labroclypeus is weakly shiny, but the remainder of the dorsal surface is dull and glabrous.
The species name is derived from its type locality, Beidou.