Olyokminsky District (Russian: Олёкминский улу́с; Yakut: Өлүөхүмэ улууһа, Ölüöxüme uluuha) is an administrative[1] and municipal[6] district (raion, or ulus), one of the thirty-four in the Sakha Republic, Russia.

[4] The main rivers of the district include the Lena with its tributaries, such as the Olyokma, Cherendey, Namana, Keyikte and Biryuk.

The Olyokma-Chara Plateau is located to the west of the Olyokma's western bank.

[2] As of the 2021 Census, the ethnic composition was as follows:[12] The economy of the district is based mostly on agriculture and mining.

The only deposit of charoite known in the world is located on the district's territory.