The Central District of Eslamshahr County () is in Tehran province, Iran. Its capital is the city of Eslamshahr.
In 2012, Bahramabad Rural District was created in the district, and Ahmadabad-e Mostowfi Rural District was separated from it in the formation of Ahmadabad-e Mostowfi District. In addition, the village of Ahmadabad-e Mostowfi was converted to a city.
At the time of the 2006 census, the district's population was 394,151 in 100,438 households. The following census in 2011 counted 427,883 people in 122,848 households. The 2016 census measured the population of the district as 465,353 inhabitants in 142,787 households.