| Acronym | Definition |
|---|
| AIB | Academy of International Business |
| AIB | Associazione Italiana Biblioteche (Italian Library Association) |
| AIB | Allied Irish Bank |
| AIB | American Institute of Baking |
| AIB | American Institute of Banking |
| AIB | Airbus |
| AIB | Add-In Board |
| AIB | Australian Institute of Building |
| AIB | Accountant in Bankruptcy (UK) |
| AIB | Accident Investigation Board |
| AIB | America in Bloom |
| AIB | Alpha-Aminoisobutyric Acid |
| AIB | Ação Integralista Brasileira (Portuguese: Brazilian Integralist Action; political party) |
| AIB | Association for International Broadcasting |
| AIB | Association of Issuing Bodies |
| AIB | Armored Infantry Battalion (US Army) |
| AIB | Alabama Industries for the Blind |
| AIB | Arizona Industries for the Blind |
| AIB | Admiralty Interview Board |
| AIB | Amity Institute of Biotechnology (Noida, India) |
| AIB | Automatic Increase Benefit (insurance rider) |
| AIB | Avian Infectious Bronchitis |
| AIB | Associazione Assaggiatori Italiani Balsamico (standards & methods for grading balsamic vinegar of Modena) |
| AIB | Amalgamated Investment Bancorporation (Philippines) |
| AIB | Associate of the Institute of Bankers (British) |
| AIB | Angels in Bondage (band) |
| AIB | Association Internationale du Barreau (French: International Bar Association) |
| AIB | Alone I Break (song) |
| AIB | As Inspired By |
| AIB | Army in Being |
| AIB | Action Item Browser |
| AIB | Abteilung Immobilien und Betrieb (German: department of real estates and enterprise) |
| AIB | Air Intelligence Brief |
| AIB | Amsterdam Interbank |
| AIB | Acquisition Interface Bus |
| AIB | Automatic Intercept Bureau |
| AIB | Alteration Installation Bulletin |
| AIB | Australian Institue of Biology (Australia) |