Novotroitsk (Russian: Новотроицк) is a rural locality (a settlement) in Mirnensky Selsoviet, Rodinsky District, Altai Krai, Russia.

Novotroitsk is located by the Kuchuk river at the end of the Kulunda Main Canal.

It lies 19 km north of Rodino (the district's administrative centre) by road.

Mirny is the nearest rural locality.

This Rodinsky District location article is a stub.