The Central District of Mamasani County () is in Fars province, Iran. Its capital is the city of Nurabad.
After the 2006 National Census, the village of Khumeh Zar-e Sofla was elevated to the city of Khumeh Zar. In March 2019, Jowzar Rural District was separated from the district in the formation of Jowzar District.
At the time of the 2006 census, the Central District's population was 97,206 in 21,208 households. The following census in 2011 counted 98,973 people in 26,209 households. The 2016 census measured the population of the district as 98,816 inhabitants in 29,160 households.