The Central District of Robat Karim County () is in Tehran province, Iran. Its capital is the city of Robat Karim.
In 2011, the city of Nasirshahr was separated from Golestan District to join the Central District. The new city of Parand was formed in 2013.
At the time of the 2006 National Census, the district's population was 122,046 in 31,736 households. The following census in 2011 counted 195,917 people in 54,900 households. The 2016 census measured the population of the rural district as 291,515 inhabitants in 89,270 households.