| Official Name: | Lia |
| Native Name: | ليا |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Qazvin |
| Subdivision Type2: | County |
| Subdivision Name2: | Buin Zahra |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Dashtabi |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Dashtabi-ye Sharqi |
| Population As Of: | 2006 |
| Population Total: | 1,087 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 36.0872°N 50.0306°W |
Lia (fa|ليا, also Romanized as Līā, Līā’, and Liya) is a village in Dashtabi-ye Sharqi Rural District, Dashtabi District, Buin Zahra County, Qazvin Province, Iran. At the 2006 census, its population was 1,087, in 266 families.