IU Views 23 meanings found IU may denote Indiana University, the Spanish political alliance Izquierda Unida, the medical measurement International Units, or technical terms like interface unit and railway identifiers. Medical International Units Immunizing unit International Unit IntraUterine Insulated Underwear Miscellaneous Intensity Units Information Unit Individual Unit Infinite Universe Intermediate Unit Imperial Units Community Instructional Unit Governmental Interface Unit Inebriated and Underage Instrument Unit International Izquierda Unida Academic & Science Indiana University Independence of Underlined Regional Indianapolis Union Railway Computing Internal Use Imaging Unit Internet Update Business Individual Unemployable