The Central District of Varamin County () is in Tehran province, Iran. Its capital is the city of Varamin. The previous capital of the district was the city of Qarchak, now the capital of Qarchak County.
At the time of the 2006 National Census, the district's population was 232,393 in 59,390 households. The following census in 2011 counted 271,738 people in 70,715 households. The 2016 census measured the population of the district as 258,752 inhabitants in 78,063 households.