| BIU | Band In Use 
| Others |
| BIU | Bangladesh Islami University
| Others |
| BIU | Bangladesh Islamic University
| Others |
| BIU | Bar Ilan
| Others |
| BIU | Bar Ilan University
| Others |
| BIU | Bar-Ilan University, Israel
| Others |
| BIU | Basic Income Unit
| Others |
| BIU | Basic Information Unit
| Others |
| BIU | Beach Interface Unit
| Others |
| BIU | Beam In Use
| Others |
| BIU | Benson Idahosa University
| Others |
| BIU | Benson Idahosa University,Benin City
| Others |
| BIU | Bermuda Industrial Union
| Others |
| BIU | BikeTrial International Union
| Others |
| BIU | Bildudalur, Iceland
| Others |
| BIU | Biomedicum Imaging Unit
| Others |
| BIU | Bircham International University
| Others |
| BIU | Blocked Is User
| Others |
| BIU | Blood In Urine
| Others |
| BIU | Blow It Up
| Others |
| BIU | Body Integrated Unit
| Others |
| BIU | Bold Italic and Underline
| Others |
| BIU | British Independent Utilities
| Others |
| BIU | Broadband Interface Unit
| Others |
| BIU | BTS Interface Unit
| Others |
| BIU | Buffer Interface Unit
| Others |
| BIU | Building Inspection Underwriters
| Others |
| BIU | Bundesverband Interaktive Unterhaltungssoftware
| Others |
| BIU | Bus Interface Unit
| Others |
| BIU | Bus Interface Units
| Others |
| BIU | Business Integration Unit
| Others |
| BIU | Business Intelligence Unit
| Others |