Krasnogvardeysky District () is an administrative district (raion), one of the twenty-one in Belgorod Oblast, Russia. Municipally, it is incorporated as Krasnogvardeysky Municipal District. It is located in the eastern central part of the oblast. The area of the district is . Its administrative center is the town of Biryuch. Population: 44,156 (2002 Census); The population of Biryuch accounts for 22.1% of the district's total population.
The district was established in July 1928.