The Central District of Quchan County () is in Razavi Khorasan province, Iran. Its capital is the city of Quchan.
In 2020, Dughayi Rural District was separated from the district in the formation of Abkuh District, and likewise Quchan Atiq Rural District to form Quchan Atiq District. The village of Mezerj was converted to a city in 2021.
At the time of the 2006 National Census, the district's population was 169,575 in 42,844 households. The following census in 2011 counted 171,421 people in 48,588 households. The 2016 census measured the population of the district as 166,868 inhabitants in 50,260 households.