| Abbreviation | Definition |
|---|---|
| AIETA | American International English Teachers Association |
| AIFA | Adelaide Indoor Firearms Association |
| AIFA | Association of Independent Financial Advisors |
| AIFI | Association of Indian Forging Industry |
| AIFM | Association Internationale Forêts Méditerranéennes (in French) International Association Mediterranean Forests |
| AIG | Association of Inspectors General |
| AIGC | Association Of Independent General Counsel |
| AIGE | Association of Gastroenterology |
| AIGS | Association Interregionale de Guidance et de Sante |
| AIHA | American Industrial Hygiene Association |
| AIHA | Auckland Ice Hockey Association |
| AIHM | Association for Improved Healthcare on Maui |
| AIHMA | Arizona Integrative Homeopathic Medical Association |
| AIHN | Association of issuing Houses of Nigeria |
| AIHO | Association of Independent Healthcare Organisations |
| AIHP | Association of Independent Hospitality Professionals |
| AIIA | Australian Information Industry Association |
| AIII | Association of International Industrial Irradiation |
| AIIM | Association for Information |
| AIIM | Association for Information and Image Management |