Temnikov (Russian: Те́мников; Moksha: Темникав, Temnikav; Erzya: Чополт ош, Čopolt oš) is a town and the administrative center of Temnikovsky District in the Republic of Mordovia, Russia.

[4] The oldest town in the Republic of Mordovia,[11] it was established in 1536.

[3] Within the framework of administrative divisions, Temnikov serves as the administrative center of Temnikovsky District.

[1] As an administrative division, it is incorporated within Temnikovsky District as the town of district significance of Temnikov.

[1] As a municipal division, the town of district significance of Temnikov is incorporated within Temnikovsky Municipal District as Temnikovskoye Urban Settlement.