Gynaecoserica obfuscata is a species of beetle of the family Scarabaeidae. It is found in Laos.
Adults reach a length of about 4.6 mm. They have an oblong body. The dorsal surface is dark brown, the pronotum and scutellum with a greenish shine. The antennae and legs are yellowish. The dorsal surface, except for the head, is dull and almost glabrous and sparsely setose.
The species name is derived from Latin obfuscates (meaning darkened).