| Acronym | Definition |
|---|
| ABI | Association of British Insurers |
| ABI | Acquired Brain Injury |
| ABI | American Bankruptcy Institute |
| ABI | Abitur (German secondary school final examination) |
| ABI | Application Binary Interface |
| ABI | Allied Business Intelligence, Inc (Oyster Bay, New York) |
| ABI | Annual Business Inquiry (Office for National Statistics; UK) |
| ABI | Automated Broker Interface |
| ABI | Associazione Bancaria Italiana |
| ABI | Ankle/Brachial Index |
| ABI | Applied Biosystems, Inc. |
| ABI | Associacao Brasileira de Imprensa (Brazilian press association) |
| ABI | American Beverage Institute |
| ABI | Agencia Boliviana de Informacion (Spanish: Bolivian Information Agency; Bolivia) |
| ABI | Alabama Bureau of Investigation |
| ABI | Advanced Baseline Imager |
| ABI | American Biographical Institute |
| ABI | Arbitration In |
| ABI | Association of British Investigators |
| ABI | American Business Information |
| ABI | American Bankers Insurance Group |
| ABI | American Butter Institute |
| ABI | Automated Ball Indentation |
| ABI | Airbus Industries |
| ABI | Abilene, TX, USA - Municipal (Airport Code) |
| ABI | Austrian Biotech Industry (Vienna, Austria) |
| ABI | Association of Banks-in-Insurance |
| ABI | American Business Index |
| ABI | Association for Better Insulation |
| ABI | Advanced Boundary Information |
| ABI | Applied Biometrics Inc. (Newmarket, ON, Canada) |
| ABI | AramcoBrats, Inc. |
| ABI | Airborne Interceptor |
| ABI | Animal Behavior Institute, Inc |
| ABI | At-Bit Inclination (drilling sensor; Halliburton) |
| ABI | Average Borrower Indebtedness |
| ABI | AWACS Broadcast Intelligence (USAF) |
| ABI | American Bell Incorporated |
| ABI | Ada Binding Interface |
| ABI | Available Bandwidth Index |
| ABI | Automated Bidset Interface |
| ABI | Asociación de Bienestar Infantil (Association of Infant Well-Being, Guatemala) |
| ABI | Auxiliary Building Isolation |
| ABI | Air-Borne Illness |
| ABI | Association for Bio-Diversity Information |
| ABI | Australian Business Institute |
| ABI | Atelier de Bio-Informatique (French: Bioinformatics Workshop; est. 1985) |
| ABI | Air Brush Ink |
| ABI | Automatic Broker Interchange |
| ABI | Automatic Bearing Instrumentation |
| ABI | Adjacent Beam Interference (telecommunications) |
| ABI | Architecture Billings Index (finance) |
| ABI | A Brighter Image (various locations) |
| ABI | Activity Based Intelligence (various organizations) |