| Tangail-1 | |
| Parl Name: | Jatiya Sangsad |
| District: | Tangail District |
| Region Label: | Division |
| Region: | Dhaka Division |
| Electorate: | 364,991 (2018) |
| Year: | 1973 |
Tangail-1 is a constituency represented in the Jatiya Sangsad (National Parliament) of Bangladesh since 2001 by Mohammad Abdur Razzaque of the Awami League.
The constituency encompasses Dhanbari and Madhupur upazilas.
The constituency was created for the first general elections in newly independent Bangladesh, held in 1973.
Abdur Razzak was re-elected unopposed in the 2014 general election after opposition parties withdrew their candidacies in a boycott of the election.