Tarbagataysky District (Russian: Тарбагата́йский райо́н; Russian Buryat: Тарбагатайн аймаг, Tarbagatain aimag) is an administrative[1] and municipal[4] district (raion), one of the twenty-one in the Republic of Buryatia, Russia.

The area of the district is 3,304 square kilometers (1,276 sq mi).

[2] Its administrative center is the rural locality (a selo) of Tarbagatay.

[3]Within the framework of administrative divisions, Tarbagataysky District is one of the twenty-one in the Republic of Buryatia.

[1] The district is divided into ten selsoviets, which comprise twenty-three rural localities.