| Type: | municipality |
| Official Name: | Casavieja |
| Pushpin Map: | Spain Castile and León#Spain |
| Pushpin Map Caption: | Location in Spain. |
| Subdivision Name3: | Casavieja |
| Area Total Km2: | 39.25 |
| Elevation M: | 539 |
| Population Density Km2: | auto |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
Casavieja is a municipality located in the province of Ávila, Castile and León, Spain. According to the 2006 census (INE), the municipality has a population of 1,663 inhabitants.