Buysky District () is an administrative and municipal district (raion), one of the twenty-four in Kostroma Oblast, Russia. It is located in the west of the oblast. The area of the district is . Its administrative center is the town of Buy (which is not administratively a part of the district). Population: 8,847 (2002 Census);
Within the framework of administrative divisions, Buysky District is one of the twenty-four in the oblast. The town of Buy serves as its administrative center, despite being incorporated separately as a town of oblast significanceâÂÂan administrative unit with the status equal to that of the districts.
As a municipal division, the district is incorporated as Buysky Municipal District. The town of oblast significance of Buy is incorporated separately from the district as Buy Urban Okrug.