Maladera bubengensis is a species of beetle of the family Scarabaeidae. It is found in China (Yunnan).
Adults reach a length of about 10.4 mm. They have a dark brown, oval body. The antennae are yellow. The labroclypeus is shiny, but the remainder of the dorsal surface is dull with some iridescent greenish shine and glabrous, except for a few short setae on the head.
The species is named after its type locality, Bubeng.