Novotroyenka (Russian: Новотроенка) is a rural locality (a selo) in Novokalmansky Selsoviet, Ust-Kalmansky District, Altai Krai, Russia.

Novotroyenka is located 34 km south of Ust-Kalmanka (the district's administrative centre) by road.

Novokalmanka is the nearest rural locality.

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