Main Ullah Chowdhury, SUP, OSP, awc, psc is a retired two star commissioned flag officer in the Infantry Regiment.

Earlier, he was Force Commander of the United Nations Mission for Referendum in Western Sahara (MINURSO).

Prior to join UNMISS, he served as GOC of 10th Infantry Division of Bangladesh Army.

Main Ullah Chowdhury received an undergraduate degree from Defence Services Command and Staff College.

Main Ullah Chowdhury was commissioned into Bangladesh Army as an officer with 17th BMA Long Course.