| Official Name: | Kasabad-e Pain |
| Native Name: | كسابادپائين |
| Settlement Type: | village |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Razavi Khorasan |
| Subdivision Type2: | County |
| Subdivision Name2: | Bajestan |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Jazin |
| Population As Of: | 2006 |
| Population Total: | 195 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
Kasabad-e Pain (Persian: كسابادپائين, also Romanized as Kasābād-e Pā’īn; also known as Āmīrīeh-ye Pā’īn and Āmīrīeh) is a village in Jazin Rural District, in the Central District of Bajestan County, Razavi Khorasan Province, Iran. At the 2006 census, its population was 195, in 53 families.