| Official Name: | Qaleh-ye Baha ol Din |
| Native Name: | قلعه بهاالدين |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Lorestan |
| Subdivision Type2: | County |
| Subdivision Name2: | Dorud |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Silakhor |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Chalanchulan |
| Population As Of: | 2006 |
| Population Total: | 226 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 33.6967°N 48.8789°W |
Qaleh-ye Baha ol Din (Persian: قلعه بهاالدين, also Romanized as Qal‘eh-ye Bahā’ ol Dīn and Qal‘eh-ye Bahā’ od Dīn; also known as Qal‘eh Bādī, Qal‘eh Bāi, and Qal‘eh-ye Bāy) is a village in Chalanchulan Rural District, Silakhor District, Dorud County, Lorestan Province, Iran. At the 2006 census, its population was 226, in 57 families.