| Official Name: | Kozlovka |
| Native Name: | Козловка |
| Settlement Type: | Selo |
| Pushpin Map: | Russia Amur Oblast#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Amur Oblast |
| Subdivision Name3: | Mazanovsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +9:00 |
| Coordinates: | 51.8167°N 140°W[1] |
Kozlovka (Russian: Козловка) is a rural locality (a selo) in Bogoslovsky Selsoviet of Mazanovsky District, Amur Oblast, Russia. The population was 73 as of 2018.[2] There is 1 street.
Kozlovka is located on the left bank of the Selemdzha River, 33 km northeast of Novokiyevsky Uval (the district's administrative centre) by road. Bogoslovka is the nearest rural locality.[3]