ফজলুল হক, Fojlul Hoq) (30 June 1938 – 16 November 2023) was a Bangladeshi High Court judge who served as the interim chief adviser of the non-partisan caretaker government of Bangladesh for one day before transition of Fakhruddin Ministry in January 2007.

[2][3] He was appointed as one of the ten advisers of the non-party caretaker government of Bangladesh under the leadership of President and Chief Advisor Iajuddin Ahmed on October 31, 2006,[4] the equivalent of a government minister, holding multiple portfolios.

[citation needed] During the political crisis in late 2006 when the Chief Adviser acted out of his own accord and decided to hold elections anyway even if Awami League didn't contest, Justice Fazlul Haque, along with other advisers, repeatedly held meetings fruitlessly with Awami League leaders to ensure fair elections in the January 22, 2007.

[6][7][8] The replacement, Fakhruddin Ahmed was available in a day, on January 12, thus completing the shortest tenure of a head of government in Bangladesh.

[9] During 2008, he was charged by the Anti-Corruption Commission with hiding illegally acquired wealth.