Nikolayevka (Russian: Николаевка) is a rural locality (a selo) and the administrative center of Nikolayevsky Selsoviet of Nemetsky National District, Altai Krai, Russia.

Nikolayevka is located within the Kulunda Plain, 24 km west of Galbshtadt (the district's administrative centre) by road.

Grishkovka is the nearest rural locality.

[3] The village is inhabited by Russians, Germans and others.

This Nemetsky National District location article is a stub.