| Abbreviation | Definition |
|---|---|
| AABA | Association for Accountancy Business Affairs |
| AABC | Alaska Association of Basketball Coaches |
| AABC | American Association of Bariatric Counseling |
| AABC | American Association of Bariatric Counselors |
| AABC | American Association of Birth Centers |
| AABC | Archives Association of British Columbia |
| AABE | Asian Association for Biology Education |
| AABF | Association of Alternative Business Finance |
| AABP | American Association of Bovine Practitioners |
| AABP | Association des aventuriers de Baden Powell |
| AABP | Association of Animal Behavior Professionals |
| AABS | Anglican Association of Biblical Scholars |
| AABS | Association for the Advancement of Biodiversity Science |
| AABS | Australasian Association of Buddhist Studies |
| AABSS | American Association of Behavioral and Social Sciences |
| AABW | Association des Architectes du Brabant Wallon |
| AACA | All Assam Chess Association |
| AACA | American Association of Clinical Anatomists |
| AACA | Arizona Association of Crime Analysts |
| AACA | Asian American Contractors Association |