BIU

BIU, Biu or biu may refer to:


 * Biu, Nigeria, a town in Nigeria
 * Biu Emirate, a traditional state
 * Biu Plateau, the highland area
 * Bar-Ilan University, a university in Israel
 * Bermuda Industrial Union, a general trade union in Bermuda
 * Biu (footballer) (born 1936), Brazilian footballer
 * Bus Interface Unit, a part of a processor that interfaces with a system bus
 * BIU, the IATA airport code for Bíldudalur Airport in Iceland
 * When stylized as, stands for bold, italic and underline, three common ways to mark emphasis in typography
 * biu, the ISO 639 code of the Biate language of northeast India