| Las Merindades | |
| Native Name Lang: | es |
| Settlement Type: | Comarca |
| Subdivision Type: | Country |
| Subdivision Type1: | Autonomous community |
| Subdivision Name1: | Castile and León |
| Subdivision Type2: | Province |
| Subdivision Name2: | Burgos |
| Seat Type: | Capital |
| Seat: | Villarcayo |
| Parts Type: | Municipalities |
| Parts Style: | list |
| Population Density Km2: | auto |
| Blank Name Sec1: | Largest municipality |
| Blank Info Sec1: | Medina de Pomar |
| Timezone1: | CET |
| Utc Offset1: | +1 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +2 |
| Area Code Type: | Dialing code |
| Website: | mancomunidadlasmerindades.es |
Las Merindades is a comarca located north of the province of Burgos, in the autonomous community of Castile and León. It is bounded on the north-west by the province of Cantabria, north-east by the province of Biscay, south by La Bureba, south-east by Ebro, south-west by Páramos, and on the east by the province of Álava.
Located in the north of the province of Burgos, the Merindades are the birthplace of the name "Castilla". Most of the villages of the Merindades were quoted in the "Becerro de Behetrias" at the moment of the creation of the subdivision Merindad by Pedro of Castile.
The comarca capital is Villarcayo, although the biggest town in the comarca is Medina de Pomar.