| Official Name: | Hasan Hajji |
| Native Name: | حسن حاجي |
| Settlement Type: | village |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Khuzestan |
| Subdivision Type2: | County |
| Subdivision Name2: | Dasht-e Azadegan |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Allah-o Akbar |
| Population As Of: | 2006 |
| Population Total: | 482 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
Hasan Hajji (fa|حسن حاجي, also Romanized as Ḩasan Ḩājjī) is a village in Allah-o Akbar Rural District, in the Central District of Dasht-e Azadegan County, Khuzestan Province, Iran. At the 2006 census, its population was 482, in 79 families.