| Official Name: | Nizhny Kuchuk |
| Native Name: | Нижний Кучук |
| Settlement Type: | Village |
| Pushpin Map: | Russia Altai Krai#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Altai Krai |
| Subdivision Name3: | Blagoveshchensky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +7:00 |
| Coordinates: | 52.7°N 135°W[1] |
Nizhny Kuchuk (Russian: Нижний Кучук) is a rural locality (a selo) and the administrative center of Nizhnekuchuksky Selsoviet of Blagoveshchensky District, Altai Krai, Russia. The population was 464 as of 2016.[2] There are 6 streets.
Nizhny Kuchuk is located east of Lake Kuchuk, by the Kuchuk River, 18 km south of Blagoveshchenka (the district's administrative centre) by road. Stepnoye Ozero is the nearest rural locality.[3]
The village is inhabited by Russians, as well as other ethnic groups.