| Official Name: | Prudboy |
| Native Name: | Прудбой |
| Settlement Type: | Settlement |
| Pushpin Map: | Russia Volgograd Oblast#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Volgograd Oblast |
| Subdivision Name3: | Kalachyovsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +4:00 |
| Coordinates: | 48.6833°N 98°W[1] |
Prudboy (ru|Прудбой) is a rural locality (a settlement) in Marinovskoye Rural Settlement, Kalachyovsky District, Volgograd Oblast, Russia. Prudboy had a population of 798 in 2010.[2] There are 26 streets.[3]
Prudboy is located 31 km east of Kalach-na-Donu (the district's administrative centre) by road. Karpovka is the nearest rural locality.[4]