Maladera secreta is a species of beetle of the family Scarabaeidae. It is found in China (Fujian, Guangdong, Hubei, Jiangxi, Shaanxi, Sichuan, Zhejiang), Taiwan, Japan and Vietnam.
Adults reach a length of about 9.1 mm. They have an oblong, reddish brown body. The antennae are yellowish and the surface is dull.