| Type: | municipality |
| Official Name: | Valle de Losa |
| Area Total Km2: | 226 |
| Population Density Km2: | auto |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
Valle de Losa is a municipality located in the province of Burgos, Castile and León, Spain. According to the 2004 census (INE), the municipality has a population of 621 inhabitants.