The Central District of Selseleh County () is in Lorestan province, Iran. Its capital is the city of Aleshtar.
At the time of the 2006 National Census, the district's population was 56,618 in 11,952 households. The following census in 2011 counted 57,070 people in 14,292 households. The 2016 census measured the population of the district as 59,391 inhabitants in 16,607 households.