| Zarzosa | |
| Settlement Type: | Municipality |
| Pushpin Map: | Spain La Rioja#Spain |
| Coordinates: | 42.1814°N -2.3419°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Autonomous community |
| Subdivision Type2: | Comarca |
| Subdivision Name2: | Arnedo |
| Leader Party: | People's Party |
| Leader Title: | Alcalde |
| Leader Name: | José María Sáenz Blanco |
| Unit Pref: | Metric |
| Area Total Km2: | 18.29 |
| Elevation M: | 978 |
| Population Density Km2: | auto |
| Postal Code Type: | Postal code |
| Postal Code: | 26586 |
Zarzosa 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 15 people.[1]