The Central District of Marivan County () is in Kurdistan province, Iran. Its capital is the city of Marivan.
After the 2006 National Census, the village of Kani Dinar was elevated to the status of a city.
At the time of the 2006 census, the district's population was 128,445 in 30,732 households. The following census in 2011 counted 148,324 people in 39,482 households. The 2016 census measured the population of the district as 176,450 inhabitants in 50,506 households.