The Central District of Kazerun County () is in Fars province, Iran. Its capital is the city of Kazerun.
In 2018, Anarestan Rural District was transferred from Chenar Shahijan District, and Dasht-e Barm Rural District from Kuhmareh District, to the Central District.
At the time of the 2006 National Census, the district's population was 128,945 in 30,257 households. The following census in 2011 counted 133,860 people in 35,846 households. The 2016 census measured the population of the district as 142,057 inhabitants in 41,118 households.