Mirza Fakhrul Islam Alamgir is a Bangladeshi politician. He has been the secretary general of the Bangladesh Nationalist Party (BNP) since 2016. He was a member of the parliament for Thakurgaon-1 constituency from 2001 to 2006. In that term, he was also appointed as the Minister of State in charge of the Ministry of Agriculture and later Ministry of Civil Aviation and Tourism.

The Bangladesh Nationalist Party is a major political party in Bangladesh. Founded on 1 September 1978 by the late Bangladeshi president Ziaur Rahman, with a view of uniting people with a nationalist ideology, BNP later came out as one of the two most dominant parties in Bangladesh, along with its archrival Awami League. Initially being a big tent centrist party, it moved towards more right-wing politics later.