| Official Name: | Nizhnechumanka |
| Native Name: | Нижнечуманка |
| Settlement Type: | Selo |
| Pushpin Map: | Russia Altai Krai#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Altai Krai |
| Subdivision Name3: | Bayevsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +7:00 |
| Coordinates: | 53.2167°N 115°W[1] |
Nizhnechumanka (ru|Нижнечуманка) is a rural locality (a selo) and the administrative center of Nizhnechumansky Selsoviet, Bayevsky District, Altai Krai, Russia. The population was 861 as of 2013.[2] There are 13 streets.
Nizhnechumanka is located near the Kulunda river, 15 km southwest of Bayevo (the district's administrative centre) by road. Rybnye Borki is the nearest rural locality.[3]