| Official Name: | Troitsk |
| Native Name: | Троицк |
| Settlement Type: | Settlement |
| Pushpin Map: | Russia Altai Krai#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Altai Krai |
| Subdivision Name3: | Yeltsovsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +7:00 |
| Coordinates: | 53.15°N 116°W[1] |
Troitsk (Russian: Троицк) is a rural locality (a settlement) in Pushtulimsky Selsoviet, Yeltsovsky District, Altai Krai, Russia. The population was 22 as of 2013.[2] There are 4 streets.
Troitsk is located 26 km southeast of Yeltsovka (the district's administrative centre) by road. Bakhta and Chistaya Griva are the nearest rural localities.[3]