| Official Name: | Kalmatsky |
| Native Name: | Калмацкий |
| Settlement Type: | Settlement |
| Pushpin Map: | Russia Altai Krai#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Altai Krai |
| Subdivision Name3: | Kuryinsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +7:00 |
| Coordinates: | 51.7333°N 109°W[1] |
Kalmatsky (Russian: Калмацкий) is a rural locality (a settlement) in Trusovsky Selsoviet, Kuryinsky District, Altai Krai, Russia. The population was 82 as of 2013.[2] There is 1 street.
Kalmatsky is located 24 km northeast of Kurya (the district's administrative centre) by road. Trusovo is the nearest rural locality.[3]