The Central District of Mehrestan County () is in Sistan and Baluchestan province, Iran. Its capital is the city of Mehrestan.
After the 2006 National Census, Zaboli District was separated from Saravan County, and Ashar District from Sarbaz County, in the establishment of Zaboli County, which was divided into two districts of two rural districts each, with Zaboli as its capital and only city at the time.
After the 2016 census, Dehi Rural District was created in the Central District and Birk Rural District was separated from it in the formation of Birk District.
At the time of the 2011 census, the district's population was 44,972 people in 10,541 households. The 2016 census measured the population of the district as 54,630 inhabitants in 13,478 households.