| Abbreviation | Definition |
|---|---|
| AAID | American Association of Implant Dentistry |
| AAID | Association for Accountability and Internet Democracy |
| AAIG | Association Académique Internationale de Gouvernance |
| AAIM | American Association of Industrialized Manufacturers |
| AAIO | Association for Asian Indians in Ophthalmology |
| AAIR | Australian Association for Institutional Research |
| AAIS | American Association of Insurance Services |
| AAIS | Arizona Association of Independent Schools |
| AAIS | Association of Aerospace Industries Singapore |
| AAJ | American Association For |
| AAJ | American Association of Jurists |
| AAJ | American Association of Justice |
| AAJ | Astronomical Association of Jamaica |
| AAJI | Asosiasi Asuransi Jiwa Indonesia (Indonesian: Life Insurance Association of Indonesia) |
| AAK | Agrochemicals Association of Kenya |
| AAK | Architectural Association of Kenya |
| AAKA | All Anglia Karate Association |
| AAKA | Altoona Area Kennel Association |
| AAL | Australasian Association for Literature |
| AALA | African American Leadership Association |