| Official Name: | Krasnoarmeysky |
| Native Name: | Красноармейский |
| Native Name Lang: | ru |
| Settlement Type: | Settlement |
| 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: | Ertilsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +3:00 |
| Coordinates: | 51.8167°N 87°W[1] |
Krasnoarmeysky (Russian: links=no|Красноармейский) is a rural locality (a settlement) in Ertil, Ertilsky District, Voronezh Oblast, Russia. The population was 454 as of 2010.[2] There are 10 streets.[3]
Krasnoarmeysky is located 2 km southwest of Ertil (the district's administrative centre) by road. Ertil is the nearest rural locality.[4]