Leninsky District () is an administrative district (raion), one of the thirty-three in Volgograd Oblast, Russia. As a municipal division, it is incorporated as Leninsky Municipal District. It is located in the east of the oblast. The area of the district is . Its administrative center is the town of Leninsk. Population: 31,483 (2002 Census); The population of Leninsk accounts for 51.0% of the district's total population.