| Abbreviation | Definition |
|---|---|
| BAA | BA Animation |
| BACI | Burmese American Community Institute |
| BAFI | Bank and Financial Institution |
| BAFIA | Bank and FInancial Institution Act |
| BAFIA | Banking and Financial Institutions Act |
| BAFIA | Banks and Financial Institutions Act |
| BAGI | Bay Area Glass Institute |
| BAI | Brussels Art Institute |
| BALI | Bella Abzug Leadership Institute |
| BARI | Bangladesh Agriculture Research Institute |
| BASOTI | Bay Area Summer Opera Theater Institute |
| BBEI | Building Biology and Ecology Institute |
| BBI | Beverage Business Institute |
| BBI | Bible Believers Institute |
| BBI | British Bottlers Institute |
| BBI | Brotman Baty Institute |
| BBI | Burton Blatt Institute |
| BBIA | Billiard and Bowling Institute of America |
| BBIBP | Beijing Bio-Institute of Biological Products |
| BBIBPCORV | Beijing Bio-Institute of Biological Products Coronavirus Vaccine |