Udorsky District (Russian: Удо́рский райо́н; Komi: Удора район, romanized: Udora rajon) is an administrative district (raion), one of the twelve in the Komi Republic, Russia.

The area of the district is 35,800 square kilometers (13,800 sq mi).

[citation needed] Its administrative center is the rural locality (a selo) of Koslan.

[2] The name Udoria in the full official title of the Russian Tsars refers to Udora in the East of Komi, a salient into Arkhangelsk Oblast of Russia in the basin of the Vashka and Mezen Rivers.

Within the framework of administrative divisions, Udorsky District is one of the twelve in the Komi Republic.