Ustyanka () is a rural locality (a selo) and the administrative center of Ustyansky Selsoviet, Burlinsky District, Altai Krai, Russia. The population was 982 as of 2013. It was founded in 1891. There are 4 streets.
Ustyanka is located by lakes Khomutinoye and Kabanye of the Burla river basin, 40 km northeast of Burla (the district's administrative centre) by road. Lesnoye is the nearest rural locality.