Mir Mohammed Helal Uddin (মীর মোহাম্মদ হেলাল উদ্দিন) is a barrister and Bangladesh Nationalist Party politician. He is the incumbent Jatiya Sangsad member representing the Chittagong-5 constituency and the incumbent Minister of State for Chittagong Hill Tracts Affairs since February 2026.

Mir Mohammed Helal Uddin is the only son of Mir Mohammad Nasiruddin, a former State Minister of Civil Aviation and Tourism and Mayor of Chittagong, and Dalia Nazneen Nasir.

In March 2007, Anti-Corruption Commission filed a case at Gulshan Police Station against Nasiruddin and his family, including Uddin, for illegally accumulating wealth worth around Tk 28 crore and concealing the information. In July, an anti-graft tribunal sentenced Nasiruddin to 13 years' imprisonment and Uddin to 3 year's for abetting his father in those cases. After a series of challenging, acquittals and rehearings by Supreme Court and High Court, in October 2020, Uddin was sent to jail after his surrender. In September 2025, the Appellate Division of the Supreme Court acquitted Uddin along with his father.

Uddin won the 2026 Bangladeshi general election contesting at the Chittagong-5 constituency securing 147,054 votes while his nearest opponent Bangladesh Khelafat Majlis candidate Nasiruddin Munir got 46,589 votes.