Muzammel Hossain (born 17 January 1948) is a Bangladeshi jurist who served as the 20th Chief Justice of Bangladesh.
Hossain participated in a seminar on Racial Equality in UK in 1976, a conference at UK on "The Courts of the Commonwealth and Judicial Precedent in the Commonwealth" in 1977 and the Saarc Law Conference in Pakistan in 1977.
Hossain worked as a law faculty at University of Miadiguri in Nigeria, a professor at City Law College, Dhanmondi Law College and Bhuiyan Academy in Dhaka, and an examiner of both LLB (Hons) and LLM Examinations at the University of Dhaka.
He became Chairman of the Bangladesh Judicial Service Pay Commission on 16 May 2010.
During his judgeship period in the Appellate Division, Hossain delivered a number of landmark judgments including those on the killing of Sheikh Mujibur Rahman and the 5th and 13th amendments to the constitution.