| Dinajpur-1 | |
| Parl Name: | Jatiya Sangsad |
| District: | Dinajpur District |
| Region Label: | Division |
| Region: | Rangpur Division |
| Electorate: | 344,065 (2018) |
| Year: | 1973 |
| Module: | Seat no. 6 |
Dinajpur-1 is a constituency represented in the Jatiya Sangsad (National Parliament) of Bangladesh. Since 6 August 2024 The constituency is vacant.
The constituency encompasses Birganj and Kaharole upazilas.
The constituency was created for the first general elections in newly independent Bangladesh, held in 1973.
Abdullah Al Kafi died in September 2005. Independent candidate Manoranjon Shill Gopal was elected in a December by-election.