The Central District of Chadegan County () is in Isfahan province, Iran. Its capital is the city of Chadegan.
At the time of the 2006 National Census, the district's population was 26,759 in 6,658 households. The following census in 2011 counted 27,548 people in 7,813 households. The 2016 census measured the population of the district as 27,000 inhabitants in 8,285 households.