| Abbreviation | Definition |
|---|---|
| AIAD | Association of International Antiquities Dealers |
| AIAEA | Air India Aircraft Engineers Association |
| AIAEA | All India Agricultural Engineers Association |
| AIAEA | All India Aviation Employees Association |
| AIAF | Association Internationale des Avocats du Football |
| AIAI | All India Association of Industries |
| AIAI | Association for the Improvement of American Infrastructure |
| AIAI | Association of Iroquois and Allied Indians |
| AIAI | Associations Insurance Agency Inc |
| AIAIA | All India Anglo Indian Association |
| AIAP | Aerospace Industries Association of the Philippines |
| AIAP | Association of Independent Architectural Photographers |
| AIAP | Association of Iranian American Professionals |
| AIAS | Association Internationale Albert Schweitzer |
| AIAT | autobiographical Implicit Association Test |
| AIAW | Association for Intercollegiate Athletics for Women |
| AIAW | Association of Intercollegiate Athletics for Women |
| AIB | Association for International Broadcasting |
| AIB | Association of Issuing Bodies |
| AIBA | American Indian Business Association |