The Central District of Boyer-Ahmad County () is in Kohgiluyeh and Boyer-Ahmad province, Iran. Its capital is the city of Yasuj.
After the 2006 National Census, the village of Madavan-e Olya was elevated to city status as Madavan. After the 2016 census, Madavan and several villages were merged with the city of Yasuj. Sepidar Rural District was separated from the district in the formation of Sepidar District.
At the time of the 2006 census, the district's population was 174,846 in 36,163 households. The following census in 2011 counted 210,192 people in 50,756 households. The 2016 census measured the population of the district as 260,840 inhabitants in 67,531 households.