Faku County () is a county of Liaoning Province, Northeast China. It is under the administration of the prefecture-level city of Shenyang, the capital of Liaoning, north of downtown Shenyang. , it has a population of 340,933 in an area of . It lies on China National Highway 203. It borders Kangping County to the north, Shenbei New Area to the southeast, and Xinmin City to the southwest as well as the prefecture-level cities of Tieling to the east and Fuxin to the west.
There are eight towns, 11 townships, and one ethnic township within the county.