Sterlibashevsky District is an administrative and municipal district (raion), one of the fifty-four in the Republic of Bashkortostan, Russia. It is located in the west of the republic and borders with Miyakinsky District in the north, Sterlitamaksky District in the northeast and east, Meleuzovsky District in the southeast, Fyodorovsky District in the south, and with Orenburg Oblast in the west. The area of the district is 1,609 square kilometers (621 sq mi). Its administrative center is the rural locality of Sterlibashevo. As of the 2010 Census, the total population of the district was 20,217, with the population of Sterlibashevo accounting for 29.3% of that number.