| Mehregan | |
| Native Name: | Persian: مهرگان |
| Native Name Lang: | fa |
| Settlement Type: | City |
| Pushpin Map: | Iran |
| Coordinates Footnotes: | [1] |
| Subdivision Type: | Country |
| Subdivision Name: | Iran |
| Subdivision Type1: | Province |
| Subdivision Name1: | Qazvin |
| Subdivision Type2: | County |
| Subdivision Name2: | Alborz |
| Subdivision Type3: | District |
| Subdivision Name3: | Mohammadiyeh |
| Unit Pref: | Metric |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
Mehregan (Persian: مهرگان) is a city in Mohammadiyeh District of Alborz County, Qazvin province, Iran.
In March 2022, the governor of Qazvin province announced that the Supreme Council of Architecture and Urban Planning of Iran had decided in favor of converting Mehregan into a city for reasons of economic development. The shrimp-breeding site in Mehregan would be transferred to the Shahid Foundation and there would be a halt in steel industry establishments. The population of the city is expected to grow from 60,000 to 100,000 by 2027.[2]
In August 2022, the director general of the province's Transport and Urban Development Department indicated that 65ha are allotted for over 45,000 residential units, and 350ha for government institutions and qualified companies.[3]