Petropavlovka (Russian: Петропавловка) is a rural locality (a selo).

It is part of the Blagoveshchensky Village Council of Kupinsky District, Novosibirsk Oblast, Russia.

Population: 112 (2010 Census);[1] 196 (2002 Census);[2] Petropavlovka lies in the Baraba Steppe close to lake Bolshoy Bagan to the east.

The nearest towns are Blagoveshchenka, located 7 km (4.3 mi) to the WNW and Grushevka 6.5 km (4.0 mi) to the east beyond the lake.

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