The Central District of Sanandaj County () is in Kurdistan province, Iran. Its capital is the city of Sanandaj.
In 2011, Hoseynabad-e Jonubi Rural District was separated from the district, and Hoseynabad-e Shomali Rural District was separated from Saral District of Divandarreh County in the formation of Hoseynabad District. Zhavarud-e Sharqi Rural District was separated from the Central District to form Sirvan District.
At the time of the 2006 National Census, the district's population was 386,738 in 99,692 households. The following census in 2011 counted 428,610 people in 121,932 households. The 2016 census measured the population of the district as 461,278 inhabitants in 140,667 households.