| Official Name: | Caldearenas (Spanish) |
| Native Name: | Candarenas (Aragonese) |
| Subdivision Name3: | Caldearenas |
| Area Total Km2: | 192 |
| Population Density Km2: | auto |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
Caldearenas (in Aragonese: Candarenas[1]) is a municipality located in the province of Huesca, Aragon, Spain. According to the 2004 census (INE), the municipality has a population of 270 inhabitants.