Fereydan County (Persian: شهرستان فریدن‎‎) is a county in Isfahan Province in Iran.The correct name is "Fereydan" and not "Faridan". The capital of the county is Daran. At the 2006 census, the county's population (including those portions later detached from the county to form Buin va Miandasht County) was 81,622, in 20,215 families; excluding those portions, the population (as of 2006) was 54,036, in 13,549 families. The county has one district (bakhsh): the Central District.