| Official Name: | Hasanabad-e Qadim |
| Native Name: | حسن ابادقديم |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Zanjan |
| Subdivision Type2: | County |
| Subdivision Name2: | Mahneshan |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Oryad |
| Population As Of: | 2006 |
| Population Total: | 67 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 36.8344°N 47.4092°W |
Hasanabad-e Qadim (Persian: حسن ابادقديم, also Romanized as Ḩasanābād-e Qadīm; also known as Ḩasanābād) is a village in Oryad Rural District, in the Central District of Mahneshan County, Zanjan Province, Iran. At the 2006 census, its population was 67, in 14 families.