The Central District of Sepidan County () is in Fars province, Iran. Its capital is the city of Ardakan.
After the 2006 National Census, Shesh Pir Rural District was separated from Hamaijan District to join the Central District.
At the time of the 2006 census, the district's population was 24,059 in 5,363 households. The following census in 2011 counted 34,478 people in 8,887 households. The 2016 census measured the population of the district as 32,945 inhabitants in 9,379 households.