Yekaterininskoye (Russian: Екатерининское) is a rural locality (a selo) and the administrative center of Yekaterininsky Selsoviet, Tretyakovsky District, Altai Krai, Russia.

Yekaterininskoye is located 18 km south of Staroaleyskoye (the district's administrative centre) by road, on the Aley River.

Lopatinka is the nearest rural locality.

This Tretyakovsky District location article is a stub.

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