Mohammad Ziauddin is a Bangladeshi diplomat and the former Ambassador-at-large of the Prime Minister of Bangladesh.

[3][4] Ziauddin graduated from St Gregory's High School.

He has served as the Bangladesh Ambassador to Italy,[6] Director General (International Organizations) in the Ministry of Foreign Affairs, and Chief of Protocol to the Government of Bangladesh.

He served as the Ambassador-at-Large of Prime Minister Sheikh Hasina from 24 November 2009 to 2014.

[7][8] He was afterwards appointed as the Bangladesh Ambassador to the United States on 18 September 2014.