| Salauddin Mahmud | |
| Native Name: | সালাউদ্দিন মাহমুদ |
| Native Name Lang: | bn |
| Constituency Mp: | Manikganj-1 |
| Parliament: | Bangladesh |
| Term Start: | 30 January 2024 |
| Term End: | 6 August 2024 |
| Predecessor: | Naimur Rahman |
| Party: | Bangladesh Awami League |
| Occupation: | Politician |
Salauddin Mahmud, also known as SM Zahid, is a Bangladeshi politician. He is a former Jatiya Sangsad member representing the Manikganj-1 constituency.