Mustafizur Rahman Siddiqi (1 March 1925 – 6 February 1992) was a Bangladeshi entrepreneur, politician and diplomat.

He became Minister of Commerce and Foreign Trade in the newly formed state, and ambassador to the U.S. and Mexico.

He then went on to take a degree in commerce from London University and followed with the final examination of the Institute of Chartered Accountants of England and Wales in 1954.

[1] His career as an entrepreneur started in 1962 and he played a leading role in the establishment of a number of new ventures as managing director and/or chairman.

Khan Jute Mills Ltd, Eastern Insurance Company Ltd. (now part of Sadharan Bima Corporation), S.K.M Jute Mills Ltd, National Motors Ltd, Crescent Motors Ltd, Therapeutics (Bangladesh) Ltd, Sidko Limited (Trading Division), Sidko Limited (Garments Division), Federal Insurance Company Ltd, Sponsor Director of the Eastern, Mercantile Bank Ltd. (First East Pakistani Bank, at present Pubali Bank Ltd.), Founding vice-chairman of Al-Baraka Bank Bangladesh Ltd.[1] Siddiqi was elected member of the Pakistan National Assembly in 1962 as an independent candidate.

[1][2] As president of District Awami League and Convener of Sangram Parishad of Chittagong, Siddiqi organised the resistance against the Pakistan Army, and helped establish the Swadhin Bangla Betar Kendra (radio station) at Kalurghat.

[citation needed] In 1973, as special envoy of the Prime Minister Sheikh Mujibur Rahman, he met the heads of state and governments of the U.S., Canada, Britain, Italy, France and West Germany and lobbied for the repatriation of stranded Bangladeshis from Pakistan.

When a devastating cyclone and tidal bore hit the coastal areas of Chittagong (Halishahar, Kattali and Sitakunda) in 1960, it was under his leadership that a massive relief operation was undertaken, for which he was awarded "The Lions Humanitarian Award", the most prestigious in Lions International, and was also made an honorary "International Counselor".