The Central District of Buin Miandasht County () is in Isfahan province, Iran. Its capital is the city of Buin Miandasht.
In 2013, Buin Miandasht District was separated from Faridan County in the establishment of Buin Miandasht County, which was divided into two districts and five rural districts, with Buin Miandasht as its capital.
At the time of the 2016 National Census, the district's population was 20,000 inhabitants in 6,593 households.