| Acronym | Definition |
|---|
| BII | Bronco II (Ford truck; predecessor of the Explorer) |
| BII | Breast Implant Illness |
| BII | Bank Internasional Indonesia |
| BII | Borland International, Inc. (California) |
| BII | Business Interruption Insurance |
| BII | British Institute of Innkeepers |
| BII | Basic Issue Item |
| BII | Brevet Informatique et Internet (French: Computer and Internet Certificate) |
| BII | Bermuda Insurance Institute |
| BII | Bioindustry Initiative (US Department of State) |
| BII | Bearing Inspection, Inc. (Los Alamitos, CA; est. 1955) |
| BII | Bicultural Identity Integration (psychology) |
| BII | Biotechnology Information Institute (Rockville, MD) |
| BII | Base Information Infrastructure |
| BII | Behavior Intervention Implementation |
| BII | Bureau of Investigation and Intelligence (California Office of the Attorney General) |
| BII | Business Industriel International (French: International Industrial Business) |
| BII | Bodily Injury Index (insurance) |
| BII | Bretagne Isolation Industrielle (French: Britain Industrial Insulation) |
| BII | Basic Incident Information (Stanford Linear Accelerator Center database) |
| BII | Business Information Integrator |