| Ləngan | |
| Settlement Type: | Municipality |
| Pushpin Map: | Azerbaijan |
| Pushpin Mapsize: | 300 |
| Subdivision Type: | Country |
| Subdivision Name: |  Azerbaijan |
| Subdivision Type1: | Rayon |
| Subdivision Name1: | Masally |
| Population Total: | 476 |
| Timezone: | AZT |
| Utc Offset: | +4 |
| Utc Offset Dst: | +5 |
| Coordinates: | 39.1167°N 86°W |
Ləngan (also, Lengyan and Lyangyan) is a village and municipality in the Masally Rayon of Azerbaijan. It has a population of 476.