| Official Name: | Bidacheh |
| Native Name: | بيدچه |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Isfahan |
| Subdivision Type2: | County |
| Subdivision Name2: | Nain |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Lay Siyah |
| Population As Of: | 2006 |
| Population Total: | 37 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 32.7575°N 52.8497°W |
Bidacheh (Persian: بيدچه, also Romanized as Bīdacheh) is a village in Lay Siyah Rural District, in the Central District of Nain County, Isfahan Province, Iran. At the 2006 census, its population was 37, in 17 families.