| Official Name: | Riofrío de Riaza |
| Settlement Type: | Municipality |
| Pushpin Map: | Spain Castile and León#Spain |
| Pushpin Map Caption: | Location in Spain. |
| Subdivision Name3: | Riofrío de Riaza |
| Area Total Km2: | 27 |
| Population Density Km2: | auto |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
Riofrío de Riaza is a municipality located in the province of Segovia, Castile and León, Spain. According to the 2004 census (INE), the municipality has a population of 55 inhabitants.Riofrío de Riazahas has oak and beech forests, high mountain vegetation, and places with views of the central system and the province of Segovia. Although there are no officially marked or marked routes, there are numerous routes that are popular with hikers and visitors.