Saadatabad () is a village in Padena-ye Sofla Rural District of Padena District, Semirom County, Isfahan province, Iran.
At the time of the 2006 National Census, the village's population was 1,585 in 364 households. The following census in 2011 counted 1,610 people in 477 households. The 2016 census measured the population of the village as 1,645 people in 533 households. It was the most populous village in its rural district.