| Official Name: | Ilmen |
| Native Name: | Ильмень |
| 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: | Povorinsky District |
| Subdivision Type4: | Municipality |
| Population Total: | 390 |
| Utc Offset1: | +3:00 |
| Coordinates: | 51.3°N 75°W[1] |
Ilmen (Russian: links=no|Ильмень) is a rural locality (a selo) in Mazurskoye Rural Settlement, Povorinsky District, Voronezh Oblast, Russia. The population was 390 as of 2010.[2] There are 5 streets.[3]
Ilmen is located 37 km northeast of Povorino (the district's administrative centre) by road. Mazurka is the nearest rural locality.[4]