| Official Name: | Mirny |
| Native Name: | Мирный |
| Settlement Type: | Settlement |
| Pushpin Map: | Russia Volgograd Oblast#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Volgograd Oblast |
| Subdivision Name3: | Novonikolayevsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +4:00 |
| Coordinates: | 51.1833°N 91°W[1] |
Mirny (Russian: Мирный) is a rural locality (a settlement) and the administrative center of Mirnoye Rural Settlement, Novonikolayevsky District, Volgograd Oblast, Russia. The population was 673 as of 2010.[2] There are 15 streets.[3]
Mirny is located in steppe, on the Khopyorsko-Buzulukskaya Plain, 49 km northeast of Novonikolayevsky (the district's administrative centre) by road. Sapozhok is the nearest rural locality.[4]