| Official Name: | Montealegre de Campos, Spain |
| Subdivision Name3: | Montealegre de Campos |
| Area Total Km2: | 34 |
| Population Density Km2: | auto |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Coordinates: | 41.9025°N -4.8997°W |
Montealegre de Campos is a municipality located in the province of Valladolid, Castile and León, Spain. According to the 2004 census (INE), the municipality has a population of 135 inhabitants.