| Official Name: | Dudachensky |
| Native Name: | Дудаченский |
| Settlement Type: | Settlement |
| Pushpin Map: | Russia Volgograd Oblast#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Volgograd Oblast |
| Subdivision Name3: | Frolovsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +4:00 |
| Coordinates: | 49.9833°N 54°W[1] |
Dudachensky (Russian: Дудаченский) is a rural locality (a settlement) and the administrative center of Dudachenskoye Rural Settlement, Frolovsky District, Volgograd Oblast, Russia. The population was 576 as of 2010.[2]
Dudachensky is located 54 km northeast of Prigorodny (the district's administrative centre) by road. Blagodatny is the nearest rural locality.[3]