Shahanjarin District
Shahanjarin District 
    Persian: بخش شاهنجرین  | |
|---|---|
| Coordinates: 35°21′22″N 49°17′40″E / 35.35611°N 49.29444°E | |
| Country | Iran | 
| Province | Hamadan | 
| County | Dargazin | 
| Capital | Shahanjarin | 
| Time zone | UTC+3:30 (IRST) | 
Shahanjarin District (Persian: بخش شاهنجرین) is in Dargazin County, Hamadan province, Iran. Its capital is the city of Shahanjarin, whose population at the time of the 2016 National Census was 1,584 people in 597 households.