| Official Name: | Leylak |
| Native Name: | ليلك |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Bushehr |
| Subdivision Type2: | County |
| Subdivision Name2: | Tangestan |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Delvar |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Delvar |
| Population As Of: | 2006 |
| Population Total: | 543 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 28.885°N 51.0372°W |
Leylak (Persian: ليلك, also Romanized as Leylak and Līlak; also known as Līlag) is a village in Delvar Rural District, Delvar District, Tangestan County, Bushehr Province, Iran. At the 2006 census, its population was 543, in 113 families.