Komsomolsky District (Russian: Комcомо́льский райо́н; Chuvash: Комсомольски районӗ, Komsomolski rayonĕ) is an administrative[1] and municipal[5] district (raion), one of the twenty-one in the Chuvash Republic, Russia.

It is located in the southeast of the republic and borders with Kanashsky District in the north, Yalchiksky District and the Republic of Tatarstan in the east, Batyrevsky District in the south, and with Ibresinsky District in the west.

The area of the district is 630.3 square kilometers (243.4 sq mi).

[3] Its administrative center is the rural locality (a selo) of Komsomolskoye.

[4] The district was formed on February 22, 1939.