Fastiv Raion () is a raion (district) in Kyiv Oblast of Ukraine. Its administrative center is the city of Fastiv. Population:
On 18 July 2020, as part of the administrative reform of Ukraine, the number of raions of Kyiv Oblast was reduced to seven, and the area of Fastiv Raion was significantly expanded. The January 2020 estimate of the raion population was
After the reform in July 2020, the raion consisted of 10 hromadas:
Before the 2020 reform, the raion consisted of two hromadas,