The Central District of Fereydunshahr County () is in Isfahan province, Iran. Its capital is the city of Fereydunshahr.
After the 2016 National Census, Pishkuh-e Mugui and Poshtkuh-e Mugui Rural Districts were separated from the district in the formation of Mugui District.
At the time of the 2006 census, the district's population was 38,955 in 9,259 households. The following census in 2011 counted 38,334 people in 10,657 households. The 2016 census measured the population of the district as 35,654 inhabitants in 10,688 households.