Konstantinovka (Russian: Константиновка) is a rural locality (a selo) and the administrative center of Konstantinovsky Selsoviet, Kulundinsky District, Altai Krai, Russia.

Konstantinovka lies in the Kulunda Steppe by lake Bolshoye Shklo-Ushkaly to the north.

[3][4] It is located 18 km northeast of Kulunda (the district's administrative centre) by road.

Myshkino is the nearest rural locality.

This Kulundinsky District location article is a stub.