| Official Name: | Mansilla de la Sierra |
| Settlement Type: | Municipality |
| Pushpin Map: | Spain La Rioja#Spain |
| Coordinates: | 42.1533°N -2.945°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Autonomous community |
| Subdivision Type2: | Comarca |
| Subdivision Name2: | Anguiano |
| Leader Title: | Mayor |
| Leader Party: | PSOE |
| Leader Name: | José Manuel Ballesteros Pablo |
| Area Total Km2: | 84.76 |
| Elevation M: | 947 |
| Postal Code Type: | Postal code |
| Postal Code: | 26329 |
Mansilla de la Sierra is a village in the province and autonomous community of La Rioja, Spain. The municipality covers an area of and in 2011 had a population of 70.[1]
The village was the model for the town described by Ana María Matute in her collection of stories Historias de la Artámila.