Beloyarsky (Russian: Белоя́рский; Khanty: Нуви сӑңхум, Nuvi săŋhum) is a town and the administrative center of Beloyarsky District in Khanty-Mansi Autonomous Okrug, Russia, located on the Kazim River (Ob's tributary), northwest of Khanty-Mansiysk, the administrative center of the autonomous okrug.

[7] Within the framework of administrative divisions, it is incorporated as the town of okrug significance of Beloyarsky—an administrative unit with the status equal to that of the districts.

[1] As a municipal division, the town of okrug significance of Beloyarsky is incorporated within Beloyarsky Municipal District as Beloyarsky Urban Settlement.

[3] The town lies in the northern part of the Siberian Uvaly by the banks of the Kazym, a right tributary of the Ob.

[8] The economy of the town is based on oil and natural gas extraction.