Mezerj
Mezerj 
    Persian: مزرج  | |
|---|---|
City  | |
| Coordinates: 37°09′05″N 58°33′03″E / 37.15139°N 58.55083°E | |
| Country | Iran | 
| Province | Razavi Khorasan | 
| County | Quchan | 
| District | Central | 
| Population  (2016)  | |
 • Total  | 3,834 | 
| Time zone | UTC+3:30 (IRST) | 
Mezerj (Persian: مزرج) is a city in the Central District of Quchan County, Razavi Khorasan province, Iran. It was the capital of Shirin Darreh Rural District until its capital was transferred to the village of Yusef Khan.