IUB Views 9 meanings found IUB is an abbreviation shared by several universities worldwide—including Indiana University Bloomington and institutions in Bangladesh, Pakistan, and Germany—as well as the Iowa Utilities Board. Medical Institute for the Unborn Baby Community Illini Union Board Governmental Iowa Utilities Board Academic & Science Islamia University Bahawalpur Indiana University Bloomington International University Bremen Independent University, Bangladesh Islamia University of Bahawalpur International Union of Biochemistry