Chahardangeh District () is in Eslamshahr County, Tehran province, Iran. Its capital is the city of Chahardangeh.
At the time of the 2006 census, the district's population was 53,041 in 13,751 households. The following census in 2011 counted 57,805 people in 16,564 households. The 2016 census measured the population of the district as 60,631 inhabitants in 18,781 households.