Fengzhen is a monotypic genus of spiders in the family Corinnidae containing the single species, Fengzhen mengla.
Fengzhen mengla has been recorded from Yunnan province in China.
The genus is named after Chinese arachnologist Fengzhen Wang ().
The species is named after the type locality (Xishuangbanna, Mengla County).
Fengzhen are small-sized, non-ant-mimicking spiders with a reddish brown to yellowish carapace.