Karmaskalinsky District (Russian: Кармаскали́нский райо́н; Bashkir: Ҡырмыҫҡалы районы) is an administrative[1] and municipal[7] district (raion), one of the fifty-four in the Republic of Bashkortostan, Russia. It is located in the center of the republic and borders with Ufimsky and Iglinsky Districts in the north, Arkhangelsky District in the east, Gafuriysky District in the southeast, Aurgazinsky District in the south, Alsheyevsky District in the southwest, and with Chishminsky District in the west.