S. M. Matiur Rahman OSP (BAR), SUP, afwc, psc, is a retired three-star-rank Bangladesh Army officer, a lieutenant general.

In his early career, he attended Air Borne Course at Fort Benning, Georgia, in the United States.

While, he was a major participated in United Nations Peacekeeping Mission in former Yugoslavia as a military observer in 1995–1996.

He led a Bangladeshi military contingent in Ivory Coast as part of United Nations peace keeping operation there in 2008–2009.

Being a colonel, he held the appointment of additional director general (operations) of Rapid Action Battalion Forces.

Under his command for the first time, law enforcers in Bangladesh have captured suspected members of Jaish-e-Mohammed, one of the major terrorist outfits operative in South Asia.

He organized Assault River Crossing 2016, where the army for the first time used a drone to locate enemy position.