| Official Name: | Nizhnaya Poltavka |
| Native Name: | Нижняя Полтавка |
| Settlement Type: | Selo |
| Pushpin Map: | Russia Amur Oblast#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Amur Oblast |
| Subdivision Name3: | Konstantinovsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +9:00 |
| Coordinates: | 49.7°N 142°W[1] |
Nizhnaya Poltavka (Russian: Нижняя Полтавка) is a rural locality (a selo) in Nizhnepoltavsky Selsoviet of Konstantinovsky District, Amur Oblast, Russia. The population was 1,177 as of 2018.[2] There are 12 streets.
Nizhnaya Poltavka is located 31 km northeast of Konstantinovka (the district's administrative centre) by road. Klyuchi is the nearest rural locality.[3]