| Official Name: | Fuentestrún |
| Settlement Type: | Municipality |
| Coordinates: | 42.8744°N -2.0817°W |
| Pushpin Map: | Spain Castile and León#Spain |
| Pushpin Map Caption: | Location in Spain. |
| Subdivision Name3: | Fuentestrún |
| Area Total Km2: | 9 |
| Population Density Km2: | auto |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
Fuentestrún is a municipality located in the province of Soria, Castile and León, Spain.[1] According to the 2004 census (INE), the municipality had a population of 78 inhabitants.