| Official Name: | Las Omañas |
| Settlement Type: | Municipality |
| Pushpin Map: | Spain Castile and León#Spain |
| Pushpin Map Caption: | Location in Castile and León##Location in Spain |
| Coordinates: | 42.6833°N -57°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Autonomous community |
| Subdivision Type2: | Province |
| Subdivision Name2: | León |
| Subdivision Type3: | Comarca |
| Subdivision Name3: | Ribera del Órbigo |
| Area Total Km2: | 32 |
| Population Density Km2: | auto |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
Las Omañas is a municipality located in the province of León, Castile and León, Spain. According to the 2004 census (INE), the municipality has a population of 382.