Jalalabad () is a village in Sadeqiyeh Rural District of the Central District of Najafabad County, Isfahan province, Iran.
At the time of the 2006 National Census, the village's population was 1,973 in 536 households. The following census in 2011 counted 3,183 people in 959 households. The 2016 census measured the population of the village as 4,056 people in 1,223 households. It was the most populous village in its rural district.