Kostobobriv (Ukrainian: Костобобрів; Russian: Костобобров) is a village in Novhorod-Siverskyi Raion (district) of Chernihiv Oblast (province) in northern Ukraine.

[1] The village is located on Kosta River, a left tributary of Revna 5 km (3.1 mi) south from the Russia–Ukraine border.

Until 18 July 2020, Kostobobriv belonged to Semenivka Raion.

The raion was abolished in July 2020 as part of the administrative reform of Ukraine, which reduced the number of raions of Chernihiv Oblast to five.

This article about a location in Chernihiv Oblast is a stub.