Valuysky District is an administrative district (raion), one of the twenty-one in Belgorod Oblast, Russia. As a municipal division, it is incorporated as Valuysky Municipal District. It is located in the south of the oblast. The area of the district is 1,709.6 square kilometers (660.1 sq mi). Its administrative center is the town of Valuyki. Population: 33,845 (2010 census); 36,601 ; 38,293 (1989 Soviet census).