Aleutsky District (Russian: Алеу́тский райо́н) is an administrative[1] and municipal[4] district (raion) of Kamchatka Krai, Russia, one of the eleven in the krai.

It is located to the east of the Kamchatka Peninsula on the Commander Islands.

The area of the district is 1,580 square kilometers (610 sq mi).

[2] The islands consist of Bering Island, Medny Island and fifteen much smaller ones, the largest of which are Tufted Puffin Rock, 15 hectares, and Kamen Ariy, which are between 3 km and 13 km west of the only settlement, Nikolskoye.

Its administrative center is the rural locality (a selo) of Nikolskoye.