Mohammad Nizamuddin Ahmed (born c. 1960) was an admiral in the Bangladesh Navy and the former Chief of Naval Staff.

[3] Inter Service Public Relations Directorate (ISPR) announced Ahmed's nomination to succeed Admiral Farid Habib.

Admiral Nizam also got the responsibility of selecting the officers of Armed Forces while holding the appointment of Deputy President of ISSB.

[9] Admiral Nizam joined Chittagong Port Authority as chairman on 26 February 2012 and has served successfully till to date.

As the Chairman Chittagong Port Authority he took lot of initiative and opened the first Inland Container Terminal of the country at Pangao near Dhaka.

It is worth to mention that Chittagong Port was not closed for a single day due to labour unrest or strike during his tenure.