| Sunamganj-1 | |
| Parl Name: | Jatiya Sangsad |
| District: | Sunamganj District |
| Region Label: | Division |
| Region: | Sylhet Division |
| Electorate: | 399,359 (2018) |
| Year: | 1984 |
| Members: | Moazzem Hossain Ratan |
| Party: | Awami League |
Sunamganj-1 is a constituency represented in the Jatiya Sangsad (National Parliament) of Bangladesh since 2008 by Moazzem Hossain Ratan of the Awami League.
The constituency encompasses Dharamapasha, Jamalganj, Tahirpur, and Madhyanagar upazilas.
The constituency was created in 1984 from a Sylhet constituency when the former Sylhet District was split into four districts: Sunamganj, Sylhet, Moulvibazar, and Habiganj.