| Official Name: | Luján |
| Settlement Type: | Municipality and village |
| Pushpin Label Position: | bottom |
| Pushpin Mapsize: | 300 |
| Subdivision Type: | Country |
| Subdivision Name: |  Argentina |
| Subdivision Name1: | San Luis Province |
| Subdivision Type2: | Department |
| Subdivision Name2: | Ayacucho Department |
| Unit Pref: | Imperial |
Luján is a village and municipality in San Luis Province in central Argentina.[1]