| Official Name: | Dighi Union |
| Native Name: | দিঘী ইউনিয়ন |
| Settlement Type: | Union |
| Pushpin Map: | Bangladesh |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Bangladesh |
| Coordinates: | 23.8721°N 89.9659°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Bangladesh |
| Subdivision Type1: | Division |
| Subdivision Name1: | Dhaka |
| Subdivision Type2: | District |
| Subdivision Name2: | Manikganj District |
| Subdivision Type3: | Upazila |
| Subdivision Name3: | Manikganj Sadar |
| Area Total Km2: | 10.53 |
| Population Total: | 20,094 |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Timezone: | BST |
| Utc Offset: | +6 |
| Postal Code: | 1802 |
Dighi Union (bn|দিঘী ইউনিয়ন) is union parishad under Manikganj Sadar Upazila of Manikganj District, Bangladesh.
Dighi Union is located at 23.8721°N 89.9659°W. It has a total area of 2601acres.
According to the 2011 Bangladesh census, Dighi Union had 4,629 households and a population of 20,094.[1]
There are total 4 Haats and Bazars. Besides 8 fairs (Mela) are held in Dighi Union. Tara Bazar, Dautia Bazar, BoT Tola Bazar(Bangla) are famous bazar in Dighi Union.
Dighi Union has 26 rural,The Rural are - Muljan, Vatbaour, Dighi, Bagzan, Romonpur, Gulotia, Susunda, Dayotia, khagrakuri, Rohadoho, Kutai, Chamta, Notun bosti, Bot-tola29 Mauzas/Mahallas, and 36 villages.
National Highway 5Dhaka-Bangladesh Highway.N5 (Bangladesh)
Dighi Union has 2 College, 3 Secondary School, 7 Primary School, 1 Bank, 1 Union Health Center, 1 Protibondhi institute, 1 Electricity Institute, 1 Bus Station.
Among the educational institutions.