| Official Name: | Riaza |
| Settlement Type: | Municipality |
| Pushpin Map: | Spain Castile and León#Spain |
| Pushpin Map Caption: | Location in Spain. |
| Subdivision Name3: | Riaza |
| Area Total Km2: | 149.49 |
| Elevation M: | 1190 |
| Population As Of: | 2020 |
| Population Total: | 2117 |
| Population Density Km2: | auto |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
Riaza is a municipality located in the province of Segovia, Castile and León, Spain. According to the 2004 census (INE), the municipality had a population of 2,020 inhabitants.