Chernozemelsky District (Russian: Черноземе́льский райо́н, [t͡ɕʲɪrnɐzʲɪˈmʲelskɪj raˈjon]; Kalmyk: Хар Һазра район, romanized: Xar Hazra rayon, [xɑr.hɑˈzɑrə rɑˈjɔn]) is an administrative and municipal district (raion), one of the thirteen in the Republic of Kalmykia, Russia. It is located in the southeast of the republic. The area of the district is 14,191.68 square kilometers (5,479.44 sq mi). Its administrative center is the rural locality (a settlement) of Komsomolsky. As of the 2010 Census, the total population of the district was 13,258, with the population of Komsomolsky accounting for 34.1% of that number. It is the least densely populated district in the Southern Federal District.