Khalfelu
Khalfelu 
    Persian: خلفلو  | |
|---|---|
Village  | |
| Coordinates: 37°53′11″N 48°23′34″E / 37.88639°N 48.39278°E | |
| Country | Iran | 
| Province | Ardabil | 
| County | Kowsar | 
| District | Central | 
| Rural District | Sanjabad-e Shomali | 
| Population  (2016)  | |
 • Total  | 42 | 
| Time zone | UTC+3:30 (IRST) | 
Khalfelu (Persian: خلفلو) is a village in, and the capital of, Sanjabad-e Shomali Rural District in the Central District of Kowsar County, Ardabil province, Iran.