The Central District of Famenin County () is in Hamadan province, Iran. Its capital is the city of Famenin.
In 2009, Famenin District was separated from Hamadan County in the establishment of Famenin County, which was divided into two districts of two rural districts each, with Famenin as its capital and only city.
At the time of the 2011 National Census, the district's population was 31,583 in 9,153 households. The 2016 census measured the population of the district as 29,458 inhabitants in 9,109 households.