Kusa (Russian: Куса́) is a town and the administrative center of Kusinsky District in Chelyabinsk Oblast, Russia, located on the Kusa and Ay Rivers, 180 kilometers (110 mi) west of Chelyabinsk, the administrative center of the oblast.

[citation needed] Town status was granted to it on January 8, 1943.

[citation needed] Within the framework of administrative divisions, Kusa serves as the administrative center of Kusinsky District.

[1] As an administrative division, it is, together with three rural localities, incorporated within Kusinsky District as the Town of Kusa.

[1] As a municipal division, the Town of Kusa is incorporated within Kusinsky Municipal District as Kusinskoye Urban Settlement.