| Official Name: | Caltojar |
| Settlement Type: | Municipality |
| Pushpin Map: | Spain Castile and León#Spain |
| Pushpin Map Caption: | Location in Spain. |
| Subdivision Name3: | Caltojar |
| Area Total Km2: | 84.36 |
| Elevation M: | 961 |
| Population Density Km2: | auto |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
Caltojar is a municipality located in the province of Soria, Castile and León, Spain. According to the 2004 census (INE), the municipality had a population of 111 inhabitants. The municipality includes the villages of Bordecorex and Casillas de Berlanga.
right|thumb|250px|La Veruela Atalaya.