Kashirsky District () is an administrative and municipal district (raion), one of the thirty-two in Voronezh Oblast, Russia. It is located in the northwestern central part of the oblast. The area of the district is 106019,9 hectares (409,3 sq mi), as of 2016. Its administrative center is the rural locality (a selo) of Kashirskoye. Population: The population of Kashirskoye accounts for 18.0% of the district's total population.