Yunnanilus qujinensis is a species of freshwater ray-finned fish, a stone loach which is endemic to China. The species was described from specimens collected at a spring into the Hujiafen Reservoir in the Nanpanjiang River drainage near Qujing in Yunnan, its Specific name (zoology) refers to the city of Qujin.[1] It has not yet been included in FishBase.