Krasnoselkupsky District (Russian: Красносельку́пский райо́н, Selkup: Нярӄый щёй ӄумый район) is an administrative[1] and municipal[4] district (raion), one of the seven in Yamalo-Nenets Autonomous Okrug of Tyumen Oblast, Russia.

It is located in the southeast of the autonomous okrug.

The area of the district is 106,270 square kilometers (41,030 sq mi).

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

The Taz and its tributary the Toka are the main rivers.