| Honorific Prefix: | Major General |
| Jamiluddin Ahsan | |
| Native Name: | জামিলউদ্দীন আহসান |
| Native Name Lang: | bn |
| Honorific Suffix: | Bir Pratik |
| Office: | 4th Director General of Special Security Force |
| President: | Abdur Rahman Biswas |
| Primeminister: | Khaleda Zia |
| Term Start: | 19 October 1991 |
| Term End: | 26 July 1996 |
| Predecessor: | Kazi Mahmud Hassan |
| Successor: | NA Rafiqul Hossain |
| Birth Date: | 11 May 1951 |
| Birth Place: | Chittagong, East Bengal, Pakistan |
| Awards: | Bir Protik |
| Serviceyears: | 1971 - 2006 |
| Rank: | Major General |
| Unit: | East Bengal Regiment |
| Commands: |
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| Battles: | Bangladesh Liberation War |
Jamilud Din Ahsan is a retired major general of Bangladesh Army and former ambassador of Bangladesh to Libya.[1] He is a recipient of Bir Protik, the fourth highest gallantry award of Bangladesh, for his actions in the Bangladesh Liberation War.[2] [3]
Ahsan is a member of the Sector Commanders Forum.[4] He is a member of the Bangladesh War Courses Foundation.[5]
Ahsan fought in the Bangladesh Liberation War and was awarded Bir Protik, the fourth highest gallantry award of Bangladesh military.[6] [7] He was the commander of Charlie Company of the 4th East Bengal Regiment and fought in the Battle of Salda.[8] He was commission in Bangladesh Army under the war courses.[9]
On 19 October 1991 Ahsan was appointed the director general of the Special Security Force succeeding Brigadier General Kazi Mahmud Hassan.[10] [11] to 26 July 1996, he was succeeded by Major General Nurul Ahmed Rafiqul Hossain.
From 7 March 2000 to 13 October 2001, he Ahsan the director general of Bangladesh Institute of International and Strategic Studies.[12]
Ahsan was the master general of ordnance of Bangladesh Army. On 11 September 2005, he was appointed ambassador of Bangladesh to Libya.
Ahsan opposed a defense pact with India at a roundtable titled New Dimension of Bangladesh-India relations: Problems and Prospects.[13]
Ahsan was the coordinator of the Sector Commanders Forum-Muktijudda 71.[14] In February 2022, his name was proposed for the role of Election Commissioners of the Bangladesh Election Commission.[15]