Pyaozersky (Russian: Пяозе́рский; Karelian: Piäjärvi; Finnish: Pääjärvi) is an urban locality (an urban-type settlement) in Loukhsky District of the Republic of Karelia, Russia, located on the shore of Lake Pyaozero, 700 kilometers (430 mi) northwest of Petrozavodsk, the capital of the republic.

As of the 2010 Census, its population was 2,098.

[2] Urban-type settlement status was granted to it in 1976.

[citation needed] Within the framework of administrative divisions, the urban-type settlement of Pyaozersky is subordinated to Loukhsky District.

[1] As a municipal division, Pyaozersky is incorporated within Loukhsky Municipal District[3] as Pyaozerskoye Urban Settlement.