| Official Name: | Semichny |
| Native Name: | Семичный |
| Settlement Type: | Khutor |
| Pushpin Map: | Russia Volgograd Oblast#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Volgograd Oblast |
| Subdivision Name3: | Kotelnikovsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +4:00 |
| Coordinates: | 47.6167°N 45°W[1] |
Semichny (Russian: Семичный) is a rural locality (a khutor) and the administrative center of Semichenskoye Rural Settlement, Kotelnikovsky District, Volgograd Oblast, Russia. The population was 930 as of 2010.[2] There are 12 streets.[3]
Semichny is located in steppe, 13 km west of Kotelnikovo (the district's administrative centre) by road. Kotelnikovo is the nearest rural locality.[4]