| Settlement Type: | Municipality and town |
| Official Name: | Castrillo de la Vega |
| Leader Title: | Mayor |
| Leader Name: | Juan José Gutiérrez Rogero (PP) |
| Postal Code Type: | Postal code |
| Postal Code: | 09391 |
| Area Total Km2: | 26 |
| Population Density Km2: | auto |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Coordinates: | 41.65°N -49°W |
| Website: | https://web.archive.org/web/20070513160208/http://www.castrillodelavega.net/ |
Castrillo de la Vega is a Spanish town and municipality in the south of the province of Burgos, in the Ribera del Duero wine region. It has a population of roughly 657 people. The post code for the town is 09391. The closest airport is in Valladolid.