Erzinsky District (Russian: Эрзинский кожуун; Tuvan: Эрзин кожуун, Erzin kojuun) is an administrative[1] and municipal[5] district (raion, or kozhuun), one of the seventeen in the Tuva Republic, Russia.

It is located in the south and southeast of the republic.

The area of the district is 11,081.45 square kilometers (4,278.57 sq mi).

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

[2] On January 7, 1963, it was abolished and merged into Tes-Khemsky District.