Rear Admiral Abdullah Al Mamun Chowdhury (N), BSP, ndc, psc, BN is a two-star admiral in Bangladesh Navy who is currently serving as chairman of Payra Port Authority. Before that, he was Assistant Chief of Naval Staff (Personnel). He also served as commander, Chattogram Naval Area. Prior to that, he was assistant chief of naval saff (logistics). He also served as director of submarine, Naval Headquarters, Dhaka.[1] He was chairman of Payra Port Authority until 15 March 2022 before he promoted to rear admiral.[2]