| Marjal Union | |
| Native Name: | মরজাল ইউনিয়ন |
| Native Name Lang: | bn |
| Pushpin Map: | Bangladesh |
| Coordinates: | 24.0155°N 90.8341°W |
| 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 |
Marjal Union (Bengali: মরজাল ইউনিয়ন) is a union parishad of Raipura Upazila in Narsingdi District, Dhaka Division, Bangladesh.[1] Its population is 11,728 men and 12,177 women, and the union's literacy rate is 48.3 per cent.