Shemurshinsky District (; , à ÂÃÂmÃÂrà ÂàrayonÃÂ) is an administrative and municipal district (raion), one of the twenty-one in the Chuvash Republic, Russia. It is located in the south and southwest of the republic. The area of the district is . Its administrative center is the rural locality (a selo) of Shemursha. Population: 16,588 (2002 Census); The population of Shemursha accounts for 25.5% of the district's total population.