Mahmudur Rahman Mazumdar (25 December 1922[2]-19 December 2011) was a Bangladesh Army brigadier who was the most senior ethnic Bengali officer in Pakistan Army during the Bangladesh Liberation War.

[3][4] Mazumdar was born into a Bengali Muslim family on 25 December 1922 in the village of Chandinagar in Katigora Thana, Cachar district, Assam Province, British Raj.

His ancestral home was in the village of Bolramer Chok in Kaskanakpur Union, Zakiganj Upazila, Sylhet District, Bangladesh.

[citation needed] After completing his primary and secondary education locally, Mazumdar studied at the Murari Chand College in Sylhet where he graduated with a Bachelor of Arts.

[8] Mazumdar after retiring from Bangladesh Army joined the Jatiya Party.