| Official Name: | Alesón |
| Settlement Type: | Municipality |
| Pushpin Map: | Spain La Rioja#Spain |
| Coordinates: | 42.4047°N -2.69°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Autonomous community |
| Subdivision Type2: | Comarca |
| Subdivision Name2: | Nájera |
| Leader Title: | Mayor |
| Leader Party: | PP |
| Leader Name: | Luis María Melón Fernández |
| Area Total Km2: | 6.49 |
| Population Demonyms: | alesonero, ra |
| Elevation M: | 575 |
| Postal Code Type: | Postal code |
| Postal Code: | 26315 |
Alesón is a town and municipality in the province and autonomous community of La Rioja, Spain. The municipality covers an area of and as of 2011 had a population of 117 people.[1] In 2023 the population is estimated to drop to 98 people.[2]