Najafabad County (Persian: شهرستان نجفآباد) is a county in Isfahan Province in Iran. The capital of the county is Najafabad. At the 2006 census, the county's population was 279,014, in 73,711 families. The county is subdivided into two districts: the Central District and Mehrdasht District. The county has six cities: Najafabad, Alavicheh, Dehaq, Goldasht, Jowzdan, and Kahriz Sang.