Kologriv (Russian: Кологри́в) is a town and the administrative center of Kologrivsky District in Kostroma Oblast, Russia, located on the left bank of the Unzha River 339 kilometers (211 mi) northeast of Kostroma, the administrative center of the oblast.

[9] Kologriv is first mentioned in chronicles in the beginning of the 16th century.

[2] Within the framework of administrative divisions, Kologriv serves as the administrative center of the Kologrivsky District.

[1] As an administrative division, it includes seven rural localities, incorporated within Kologrivsky District as the town of district significance of Kologriv.

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