The Central District of Farahan County (Persian: بخش مرکزی شهرستان فراهان) is a district (bakhsh) in Farahan County, Markazi Province, Iran. At the 2006 census, its population was 15,786, in 4,591 families. The District has one city: Farmahin. The District has one rural district (dehestan): Farmahin Rural District.