Mahiuddin Jahangir was a Captain in the Bangladesh Army during the Liberation War. He was born at village Rahimganj in Babuganj upazila of Barisal district in 1948. He passed Matriculation examination in 1964, I Sc in 1966, and joined Pakistan Military Academy as a cadet in 1967. He obtained commissioned rank in 1968.

Mahiuddin Jahangir was posted in the 173 Engineer Battalion in West Pakistan during the War of Liberation. With an avowed object of joining the War Mahiuddin along with three of his fellow officers managed to escape from his station on 3rd July, and passing through the inaccessible hilly tracts reached the camp of the freedom fighters at Mehdipur in Maldah district of West Bengal.

Jahangir had displayed extraordinary skill and valour in some of the successful operations against the Pakistan occupation army, and was consequently placed in charge of the contingent of the freedom fighters deputed to capture Nawabganj in Rajshahi. Captain Mahiuddin along with Lieutenant Qayyum, Lieutenant Awwal and nearly fifty freedom fighters took position at Bargharia at the west of Nawabganj townon 10th December, 1971. At the dawn of 14th December, they crossed the Mahananda through Rehaichar on some country boats and surprised some trenches of the enemy. In a fiercely contested battle an enemy bullet struck Mahiuddin on his forehead and he succumbed to death. Undaunted the freedom fighters renewed their attacks and compelled the Pak-army to take to their heels. Mahiuddin was laid to rest at the premises of the chhota sona maosque.

He was awarded the highest recognition of bravery in the Bangladesh Army, 'Bir Sreshtha'.