| Official Name: | Gryaznukha |
| Native Name: | Грязнуха |
| Settlement Type: | Selo |
| Pushpin Map: | Russia Volgograd Oblast#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Volgograd Oblast |
| Subdivision Name3: | Danilovsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +4:00 |
| Coordinates: | 50.7°N 46°W[1] |
Gryaznukha (Russian: Грязнуха) is a rural locality (a selo) in Beloprudskoye Rural Settlement, Danilovsky District, Volgograd Oblast, Russia. The population was 161 as of 2010.[2] There are 3 streets.[3]
Gryaznukha is located in steppe, on the left bank of the Kraishevka River, 63 km north of Danilovka (the district's administrative centre) by road. Kraishevo is the nearest rural locality.[4]