Fathabad (Persian: فتح اباد) is a village in, and the capital of, Fathabad Rural District of Tasuj District, Kavar County, Fars province, Iran.

At the 2006 National Census, its population was 3,415 in 679 households, when it was in Tasuj Rural District of the former Kavar District of Shiraz County. The following census in 2011 counted 3,664 people in 862 households, by which time Kavar District had been separated from Shiraz County in the establishment of Kavar County. The latest census in 2016 showed a population of 3,804 people in 1,032 households. It was the most populous village in its rural district.