Qahderijan District () is in Falavarjan County, Isfahan province, Iran. Its capital is the city of Qahderijan.
After the 2011 National Census, Golestan and Zazeran Rural Districts, and the city of Qahderijan, were separated from the Central District in the establishment of Qahderijan District. In addition, the village of Zazeran was elevated to the status of a city.
At the time of the 2016 census, the district's population was 48,113 inhabitants in 14,762 households.