Korotoyak (Russian: Коротояк) is a rural locality (a selo) and the administrative center of Korotoyaksky Selsoviet, Khabarsky District, Altai Krai, Russia.

Korotoyak is located 21 km northeast of Khabary (the district's administrative centre) by road.

Tselinny is the nearest rural locality.

[3] As of 2013, the population of Korotoyak was 1,090.

This Khabarsky District location article is a stub.