| Official Name: | Dyadin |
| Native Name: | Дядин |
| Native Name Lang: | ru |
| Settlement Type: | Khutor |
| 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: | Bogucharsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +3:00 |
| Coordinates: | 49.8333°N 71°W[1] |
Dyadin (Russian: links=no|Дядин) is a rural locality (a khutor) in Radchenskoye Rural Settlement, Bogucharsky District, Voronezh Oblast, Russia. The population was 333 as of 2010.[2] There are 8 streets.[3]
Dyadin is located on the Levaya Bogucharka River, 17 km south of Boguchar (the district's administrative centre) by road. Radchenskoye is the nearest rural locality.[4]