| Official Name: | Merindad de Montija |
| Seat: | Villasante de Montija |
| Postal Code: | 09514 |
| Area Total Km2: | 99 |
| Elevation M: | 894 |
| Population Density Km2: | auto |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Coordinates: | 43.0917°N -3.4342°W |
| Website: | http://www.merindaddemontija.es/ |
Merindad de Montija 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 868 inhabitants. Its seat is in Villasante de Montija.