| Official Name: | Nechayevka |
| Native Name: | Нечаевка НичІаб |
| Settlement Type: | Selo |
| Pushpin Map: | Russia Dagestan#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Type1: | Region |
| Subdivision Name1: | Republic of Dagestan |
| Subdivision Type2: | County |
| Subdivision Type3: | District |
| Subdivision Name3: | Kizilyurtovsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +3:00 |
| Coordinates: | 43.2667°N 101°W[1] |
Nechayevka (Russian: Нечаевка; Avaric: НичІаб) is a rural locality (a selo) and the administrative centre of Nechayevsky Selsoviet, Kizilyurtovsky District, Republic of Dagestan, Russia. The population was 4,779 as of 2010.[2] There are 86 streets.[3]
Nechayevka is located 9 km northeast of Kizilyurt (the district's administrative centre) by road, on the right bank of the Sulak River. Matseyevka and Akhtini are the nearest rural localities.[4]
Avars live there.