| Official Name: | Nechayevka |
| Native Name: | Нечаевка |
| Settlement Type: | Settlement |
| Pushpin Map: | Russia Altai Krai#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Altai Krai |
| Subdivision Name3: | Khabarsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +7:00 |
| Coordinates: | 53.35°N 126°W[1] |
Nechayevka (Russian: Нечаевка) is a rural locality (a settlement) in Sverdlovsky Selsoviet, Khabarsky District, Altai Krai, Russia. The population was 6 as of 2013.[2] It was founded in 1908. There are 2 streets.
Nechayevka is located 44 km southeast of Khabary (the district's administrative centre) by road. Sverdlovskoye is the nearest rural locality.[3]