| Type: | municipality |
| Official Name: | Bonilla de la Sierra |
| Pushpin Map: | Spain Castile and León#Spain |
| Pushpin Map Caption: | Location in Spain. |
| Subdivision Name3: | Bonilla de la Sierra |
| Area Total Km2: | 55.06 |
| Elevation M: | 1077 |
| Population Density Km2: | auto |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
Bonilla de la Sierra is a municipality located in the province of Ávila, Castile and León, Spain. According to a 2006 census (INE), the municipality had a population of 152 inhabitants in 2006, making it one of the lowest populations in Spain.