The Central District of Holeylan County () is in Ilam province, Iran. Its capital is the city of Towhid, whose population at the time of the 2016 National Census was 2,128 in 601 households.
In 2018, Holeylan District was separated from Chardavol County in the establishment of Holeylan County, which was divided into two districts of two rural districts each, with Towhid as its capital and only city.