Oymyakonsky District (Russian: Оймяко́нский улу́с; Yakut: Өймөкөөн улууһа, Öymököön uluuha, [øjmøkøːn uluːha]) is an administrative[1] and municipal[6] district (raion, or ulus), one of the thirty-four in the Sakha Republic, Russia.

The main river is the Indigirka, with its tributaries Kuydusun and Kyuyente —with the Agayakan and the Suntar, among others.

The rural locality of Oymyakon is the Pole of Cold of the northern hemisphere, with the temperature of −67.7 °C (−89.9 °F) having been recorded in February 1933.

[2] As of the 2021 Census, the ethnic composition was as follows:[13] The economy of the district is based mostly on mining and agriculture.

There are deposits of gold, silver, tin, tungsten, lead, zinc, and antimony in the district.