| Jamal Uddin Ahmed | |
| Native Name: | জামাল উদ্দিন আহমেদ |
| Office1: | Member of Assam Legislative Assembly |
| Constituency1: | Badarpur |
| Term Start1: | 18 May 2001 |
| Term End1: | 19 April 2006 |
| Predecessor1: | Abu Saleh Najmuddin |
| Successor1: | Anwarul Haq |
| Term Start2: | 18 May 2011 |
| Term End2: | 27 January 2021 |
| Predecessor2: | Anwarul Haq |
| Successor2: | Abdul Aziz |
| Birth Date: | 12 June 1954 |
| Birth Place: | Karimganj, Assam,  India |
| Death Place: | Barak Valley, Assam, India |
| Otherparty: | Indian National Congress |
Jamal Uddin Ahmed (Bengali: জামাল উদ্দিন আহমেদ; 12 June 1954 – 27 January 2021) was an Indian politician and former Member of the Assam Legislative Assembly.
Ahmed was born on 12 June 1954, to Bengali Muslim parents Haji Najib Ali and Sayful Bibi in Assam's Karimganj, which was a part of Sylhet district before the 1947 Partition of India.
After passing his High School Leaving Certificate, Ahmed began social work. He became the president of a cultural club, and made a visit to Bangladesh.
Ahmed was successful in the 2001 Assam Legislative Assembly elections in which he represented the All India Trinamool Congress in the Badarpur constituency. He lost this seat to Anwarul Haq of the All India United Democratic Front in 2006.
In 2011, Ahmed won the elections as an Indian National Congress candidate and served two more times as MLA for Badarpur.[1]
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Ahmed married twice, and one of his spouses was Rahima Begum. He had two sons and two daughters, including Zakariyya Ahmed.[1]
Whilst being transferred from Karimganj Civic Hospital to Silchar Medical Hospital, Ahmed died on 27 January 2021 during his third tenure as MLA.[2] After his death no by-election was held in the constituency.[3]