Konstantinovka (Russian: Константиновка) is a rural locality in Zhigalovsky District of Irkutsk Oblast, Russia.

Population: 211 (2002 Census);[3] Russian archaeologist, historian, and ethnographer Alexey Okladnikov (1908–1981) was born in Konstantinovka.

The village is about 27 km (17 mi) southwest of Zhigalovo, the district administrative center.

It lies on the left bank of the Typta river, a tributary of the Ilga.

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