Yershichsky District is an administrative and municipal district (raion), one of the twenty-five in Smolensk Oblast, Russia. It is located in the south of the oblast. The area of the district is . Its administrative center is the rural locality (a selo) of Yershichi. Population: 7,102 (2010 Census); The population of Yershichi accounts for 44.6% of the district's total population.