| Official Name: | Novotroitsk |
| Native Name: | Новотроицк |
| Settlement Type: | Settlement |
| Pushpin Map: | Russia Altai Krai#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Altai Krai |
| Subdivision Name3: | Rodinsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +7:00 |
| Coordinates: | 52.65°N 88°W[1] |
Novotroitsk (ru|Новотроицк) is a rural locality (a settlement) in Mirnensky Selsoviet, Rodinsky District, Altai Krai, Russia. The population was 321 as of 2013.[2] There are 8 streets.
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.[3]