Tatsinsky District (Russian: Таци́нский райо́н) is an administrative[1] and municipal[5] district (raion), one of the forty-three in Rostov Oblast, Russia.

It is located in the center of the oblast.

The area of the district is 2,411 square kilometers (931 sq mi).

[2] Its administrative center is the rural locality (a stanitsa) of Tatsinskaya.

[8] The population of Tatsinskaya accounts for 26.0% of the district's total population.