Loktevsky District (Russian: Ло́ктевский райо́н) is an administrative and municipal district (raion), one of the fifty-nine in Altai Krai, Russia. It is located in the southwest of the krai. The area of the district is 2,340 square kilometers (900 sq mi). Its administrative center is the town of Gornyak. Population: 29,658 (2010 Census); 33,984 (2002 Census); 34,562 (1989 Census). The population of Gornyak accounts for 46.9% of the district's total population.