| Type: | municipality |
| Lucillo | |
| Pushpin Map: | Spain |
| Coordinates: | 42.4106°N -6.3044°W |
| Subdivision Name3: | Lucillo |
| Leader Title: | Mayor |
| Leader Name: | Pedro de Cabo Martínez |
| Leader Party: | PP |
| Area Total Km2: | 164.91 |
| Elevation M: | 1216 |
| Population Density Km2: | auto |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Population Demonym: | maragato, maragata |
| Postal Code Type: | Postal Code |
| Postal Code: | 24723 |
| Area Code Type: | Telephone prefix |
| Area Code: | 987 |
Lucillo (pronounced as /es/) is a municipality located in the province of León, Castile and León, Spain. According to the 2010 census (INE), the municipality has a population of 406 inhabitants.