| Official Name: | Estollo |
| Settlement Type: | Municipality |
| Pushpin Map: | Spain La Rioja#Spain |
| Coordinates: | 42.3292°N -2.8503°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Autonomous community |
| Subdivision Type2: | Comarca |
| Subdivision Name2: | Anguiano |
| Leader Title: | Mayor |
| Leader Party: | PP |
| Leader Name: | Ángel José Lerena Viniegra |
| Area Total Km2: | 16.14 |
| Elevation M: | 748 |
| Postal Code Type: | Postal code |
| Postal Code: | 26328 |
Estollo 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 104 people.[1]