Jamiruddan Sircar (Bengali: জমীরুদ্দিন সরকার) (born December 1st,1931) is a Barrister and a renowned politician from Bangladesh. He is one of the founding members of the [Bangladesh Nationalist Party] and was a member of the Standing Committee, which was the policy making body of the party, from its inception. He was speaker of the parliament when, on June 21, 2002, he became acting president because of the resignation of A.Q.M. Badruddoza Chowdhury. He remained acting president until a new president was elected on September 6, 2002.

Mr. Sircar was elected Member of Parliament four times and he held cabinet positions as the (i) Minister of State for Public Works and Urban Development (Habitat), (ii) Minister of State for Foreign Affairs, (iii) Minister of State for Land Administration and Land Reforms (iv) Minister for Science and Technology, (v) Minister for Education and (vi) Minister for Law, Justice and Parliamentary Affairs.

Mr Sircar obtained his M.A and LL.B degree from the University of Dhaka, Bangladesh and joined the Bar to practice Law in 1960. He left for London in 1961 for the degree of Barrister-at-Law and was admitted and called to the Bar by the Honorable Society of Lincoln's Inn, to practice Law as a member of the English Bar as well as Commonwealth Countries Bar. He emerged as an eminent Barrister of the Supreme Court of Bangladesh in constitutional, civil and criminal laws.

In 1977, Mr. Sircar was selected by President Ziaur Rahman as a member of the Bangladesh Delegation to the United Nations General Assembly. As a delegate he looked after the Legal Committee and continued in this role for the next four years between 1977-1980. In 1981, as Minister of State for Foreign Affairs he traveled to the U.N. to make deliberation on Middle East peace process and disarmament. He later attended the Non-alligned Labor Minister's Conference in Baghdad. Here he made valuable contributions in various areas of the law including, International, Industrial, Commercial, Hijacking, Law of the Sea, International Rivers, Environmental issues, Multilateral treaty making Process, Strengthening the role of the United Nations in maintaining international peace and security and other important issues with eminent jurists, some of whom later became Judges of the International Court of Justice. Mr. Sircar has led Bangladesh Delegations to as many as 25 international conferences and has chaired in several of them.

Mr. Sircar has authored several books, among which "Glimpses of International Law", and "Stronger United Nations for Peaceful Welfare World" are notable.