| Official Name: | Vyaznovatovka |
| Native Name: | Вязноватовка |
| Native Name Lang: | ru |
| Settlement Type: | Selo |
| Pushpin Map: | Russia Voronezh Oblast#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Type1: | Region |
| Subdivision Name1: | Voronezh Oblast |
| Subdivision Type2: | County |
| Subdivision Type3: | District |
| Subdivision Name3: | Nizhnedevitsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +3:00 |
| Coordinates: | 51.5833°N 65°W[1] |
Vyaznovatovka (Russian: links=no|Вязноватовка) is a rural locality (a selo) and the administrative center of Vyaznovatovskoye Rural Settlement, Nizhnedevitsky District, Voronezh Oblast, Russia. The population was 1,016 as of 2018.[2] There are 9 streets.[3]
Vyaznovatovka is located 15 km northeast of Nizhnedevitsk (the district's administrative centre) by road. Novaya Olshanka is the nearest rural locality.[4]