| Official Name: | Hassi Lahdjar |
| Settlement Type: | Village |
| Pushpin Map: | Algeria |
| Pushpin Label Position: | bottom |
| Pushpin Mapsize: | 300 |
| Subdivision Type: | Country |
| Subdivision Name: |  Algeria |
| Subdivision Type1: | Province |
| Subdivision Name1: | Tamanrasset Province |
| Subdivision Type2: | District |
| Subdivision Name2: | In Salah District |
| Subdivision Type3: | Commune |
| Subdivision Name3: | In Salah[1] |
| Unit Pref: | Metric |
| Utc Offset: | +1 |
| Coordinates: | 27.2775°N 2.5858°W |
| Elevation M: | 279 |
Hassi Lahdjar (also written Hassi El Hadjar) is a village in the commune of In Salah,[1] in In Salah District, Tamanrasset Province, Algeria. It is located 14km (09miles) northeast of the town of In Salah.[2]
Neighbouring towns and cities