| Official Name: | Kalachevsky |
| Native Name: | Калачёвский |
| Settlement Type: | Khutor |
| Pushpin Map: | Russia Volgograd Oblast#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Volgograd Oblast |
| Subdivision Name3: | Kikvidzensky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +4:00 |
| Coordinates: | 50.55°N 101°W[1] |
Kalachevsky (Russian: Калачёвский) is a rural locality (a khutor) and the administrative center of Kalachyovskoye Rural Settlement, Kikvidzensky District, Volgograd Oblast, Russia. The population was 675 as of 2010.[2] There are 14 streets.[3]
Kalachevsky is located on Khopyorsko-Buzulukskaya plain, on the Karman River, 27 km southwest of Preobrazhenskaya (the district's administrative centre) by road. Kuzkin is the nearest rural locality.[4]