| Efil | |
| Native Name: | Persian: افيل |
| Native Name Lang: | fa |
| Settlement Type: | Village |
| Pushpin Map: | Iran |
| Coordinates Footnotes: | [1] |
| Subdivision Type: | Country |
| Subdivision Name: | Iran |
| Subdivision Type1: | Province |
| Subdivision Name1: | East Azerbaijan |
| Subdivision Type2: | County |
| Subdivision Name2: | Ahar |
| Subdivision Type3: | District |
| Subdivision Name3: | Fandoqlu |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Qeshlaq |
| Unit Pref: | Metric |
| Population As Of: | 2016 |
| Population Total: | 1733 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
Efil (Persian: افيل) is a village in Qeshlaq Rural District of Fandoqlu District, Ahar County, East Azerbaijan province, Iran.
At the time of the 2006 National Census, the village's population was 1,639 in 376 households, when it was in the Central District.[2] The following census in 2011 counted 1,743 people in 462 households.[3] The 2016 census measured the population of the village as 1,733 people in 502 households. It was the most populous village in its rural district.[4] It is quite isolated, with the nearest major airport 116 km away.[5]
After the census, the rural district was separated from the district in the establishment of Fandoqlu District, which was divided into two rural districts, including the new Naqduz Rural District.[6]
Efil has a continental Mediterranean climate, with average summer high temperatures of 33 °C, and average winter lows of -4 °C. There is a large range of rainfall, with a wet period in April (52.3mm of rain) and a dry period in August (2.5mm of rain).[7]