Dolinsky District (Russian: До́линский райо́н) is an administrative district (raion) of Sakhalin Oblast, Russia; one of the seventeen in the oblast.

[1] Municipally, it is incorporated as Dolinsky Urban Okrug.

[3] It is located in the southeast of the oblast.

The area of the district is 2,441.6 square kilometers (942.7 sq mi).

[citation needed] Its administrative center is the town of Dolinsk.