Aldansky District (Russian: Алда́нский улу́с; Yakut: Алдан улууһа, Aldan uluuha, [aldan uluːha]) is an administrative[1] and municipal[6] district (raion, or ulus), one of the thirty-four in the Sakha Republic, Russia.

[2] Within the framework of administrative divisions, Aldansky District is one of the thirty-four in the republic.

[1] It is divided into two towns (administrative divisions with the administrative centers in the towns (inhabited localities) of Aldan and Tommot), four settlements (administrative divisions with the administrative centers in the urban-type settlements (inhabited localities) of Bezymyanny, Lebediny, Leninsky, and Nizhny Kuranakh), and three rural okrugs (naslegs), all of which comprise thirteen rural localities.

*Administrative centers are shown in bold The economy of the district is based mostly on mining, although the production of building materials, wood processing, and food industry also have presence.

There are deposits of gold, silver, platinum, molybdenum, granite, marble, and other minerals in the district.