| Abbreviation | Definition |
|---|---|
| BAR | British Accreditation Registry |
| BARC | Business Application Research Center |
| BAS | Book of Authorized Services |
| BASC | Business Administration Steering Committee |
| BASD | Business Action for Sustainable Development |
| BASE | Business Attraction Support Establishment |
| BASIS | Broadening Access And Strengthening Input Systems |
| BASIS | Business Access to State Information Services |
| BASS | Business Automation And Support System |
| BAT | Best Available Technology |
| BAT | Business Action Theory |
| BAT | business area transport |
| BATNA | Best Alternative To a Negotiated Agreement |
| BATNEEC | Best Available Technology Not Entailing Excessive Cost |
| BAU | Business As Usual |
| BAV | Brand Asset Valuator |
| BAV | British Airways Virtual |
| BAVN | Business Assistance Virtual Network |
| BB | Bare Bones |
| BB | Bargain Basement |