| Castroviejo | |
| Settlement Type: | Municipality |
| Pushpin Map: | Spain La Rioja#Spain |
| Coordinates: | 42.3297°N -2.6617°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Autonomous community |
| Subdivision Type2: | Comarca |
| Subdivision Name2: | Nájera |
| Leader Party: | PSOE |
| Leader Title: | Alcalde |
| Leader Name: | José Domingo Ceniceros Lacalle |
| Unit Pref: | Metric |
| Area Total Km2: | 20.75 |
| Elevation M: | 967 |
| Population Density Km2: | auto |
| Postal Code: | 26315 |
Castroviejo is a village in the province and autonomous community of La Rioja, Spain. The municipality covers an area of and as of 2011 had a population of 67 people.[1]