| Illano | |
| Settlement Type: | Municipality |
| Native Name: | Eilao |
| Pushpin Map: | Spain |
| Pushpin Map Caption: | Location in Spain |
| Subdivision Type: | Country |
| Subdivision Name: |  Spain |
| Subdivision Type1: | Autonomous community |
| Subdivision Type2: | Province |
| Subdivision Name2: | Asturias |
| Subdivision Type3: | Comarca |
| Subdivision Name3: | Eo-Navia |
| Subdivision Type4: | Judicial district |
| Subdivision Name4: | Valdés |
| Seat Type: | Capital |
| Seat: | Illano |
| Coordinates: | 43.3°N -54°W |
| Elevation Max M: | 1136 |
| Area Total Km2: | 102.70 |
| Population Density Km2: | auto |
| Blank Name Sec1: | Official language(s) |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 33734 |
| Area Code Type: | Dialing code |
| Leader Title: | Alcalde |
| Leader Name: | Leandro López Fernández |
| Leader Party: | PSOE |
Illano (Eonavian: Eilao) is a municipality in the Principality of Asturias Spanish autonomous community. It is bordered on the north by Boal, on the south by San Martín de Oscos, on the east by Boal, Villayón and Allande, and on the west by Villanueva de Oscos and Castropol.