The Central District of Mahmudabad County () is in Mazandaran province, Iran. Its capital is the city of Mahmudabad.
At the time of the 2006 National Census, the district's population was 59,397 in 15,737 households. The following census in 2011 counted 64,783 people in 19,347 households. The 2016 census measured the population of the district as 65,767 inhabitants in 21,643 households.