| Mirzanagar Union | |
| Native Name: | মির্জানগর ইউনিয়ন |
| Native Name Lang: | bn |
| Pushpin Map: | Bangladesh |
| Subdivision Type: | Country |
| Subdivision Name: | Bangladesh |
| Subdivision Type1: | Division |
| Subdivision Name1: | Dhaka Division |
| Subdivision Type2: | District |
| Subdivision Name2: | Narsingdi District |
| Subdivision Type3: | Upazila |
| Subdivision Name3: | Raipura Upazila |
| Government Type: | Union Council |
| Leader Title: | Chairman |
| Population Density Km2: | auto |
| Timezone: | BST |
| Utc Offset: | +6 |
Mirzanagar Union (Bengali: মির্জানগর ইউনিয়ন) is a Union of Raipura Upazila in Narsingdi District, Dhaka Division, Bangladesh.[1] Its population is 10,368 men and 11,290 women, and the Union's literacy rate is 45.7 per cent.