Shumerlinsky District (Russian: Шу́мерлинский райо́н; Chuvash: Çĕмĕрле районĕ) is an administrative and municipal district (raion), one of the twenty-one in the Chuvash Republic, Russia. It is located in the west of the republic and borders with Alikovsky and Krasnochetaysky Districts in the north, Vurnarsky District in the east, Ibresinsky and Poretsky Districts in the south, and with Nizhny Novgorod Oblast on the Sura River in the west.