| Official Name: | Castañar de Ibor Castañal d'Ibol |
| Subdivision Type: | Country |
| Subdivision Name: | Spain |
| Subdivision Type1: | Autonomous community |
| Subdivision Name1: | Extremadura |
| Subdivision Type2: | Province |
| Subdivision Name2: | Cáceres |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Castañar de Ibor |
| Area Total Km2: | 149 |
| Elevation M: | 773 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
Castañar de Ibor (Castañal d'Ibol) is a municipality located in the province of Cáceres, Extremadura, Spain. According to the 2005 census (INE), it has a population of 1,182.