| Official Name: | Nizhny Dzhalgan |
| Native Name: | Нижний Джалган Ашағы-Ҹалған |
| 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: | Derbentsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +3:00 |
| Coordinates: | 41.9833°N 67°W[1] |
Nizhny Dzhalgan (Russian: Нижний Джалган; Azerbaijani: Ашағы-Ҹалған, Aşağı-Calğan) is a rural locality (a selo) in Khazarsky Selsoviet, Derbentsky District, Republic of Dagestan, Russia. The population was 2,841 as of 2010.[2] There are 44 streets.[3]
Nizhny Dzhalgan is located 9 km south of Derbent (the district's administrative centre) by road. Vavilovo, Khazar and Arablinskoye are the nearest rural localities.[4]
Azerbaijanis and Tabasarans live there.