IUB stands for the name of several different universities: The Islamia University of Bahawalpur, Punjab, Pakistan Islamic University of Bangladesh, Kushtia, Bangladesh Independent University, Bangladesh, Dhaka, Bangladesh
Indiana University Bloomington, Indiana, USA International University Bremen, the former name of Jacobs University Bremen in Bremen, Germany Also: Iowa Utilities Board The former acronym of the International Union of Biochemistry and Molecular Biology (now IUBMB)