| Acronym | Definition |
|---|
| AIAA | American Institute of Aeronautics and Astronautics, Inc. |
| AIAA | Aerospace Industries Association of America, Inc. |
| AIAA | Associate Insurance Agency Administration (LOMA insurance program) |
| AIAA | American Insurance Agents Association |
| AIAA | Associate of the Institute of Actuaries of Australia |
| AIAA | Arizona Internet Access Association |
| AIAA | Areas of Intense Aerial Activity (UK) |
| AIAA | Association of International Advertising Agencies |
| AIAA | American Indian Alumni Association (UCLA) |
| AIAA | Abandoned Infants Assistance Act of 1998 |