| AA | Alpha Alumni | |
| AA | Alumni Affairs | |
| AA | Alumni Association | |
| AAAA | African American Alumni Association | |
| AAAAA | Anderson African American Alumni Association | |
| AAAB | Accounting Alumni Advisory Board | |
| AAAC | African American Alumni Council | |
| AAAC | AHANA Alumni Advisory Council | |
| AAAL | American Alumni Association of Lebanon | |
| AAAM | Alumni Association of Applied Mathematics | |
| AAAO | Advancement and Alumni Affairs Office | |
| AAAO | African American Alumni Organization | |
| AAAP | Alumni Admissions Ambassador Program | |
| AAAT | American Alumni Association of Tanzania | |
| AAAW | Ateneo Alumni Association of Washington | |
| AAB | Alumni Association Board | |
| AAEB | Alumni Association Executive Board | |
| AAEC | Alumni Association Executive Committee | |
| AAFA | Association for Alumni and Friends of ASMSA | |
| AAFN | Association of Alumni and Friends of NACURH | |
| AAFN | Association of Alumni Friends of NACURH | |
| AAFSA | Akiba Alumni Former Students Association | |
| AAFSA | Asian American Faculty Staff Alumni | |
| AAFSA | Asian American Faculty Staff and Alumni | |
| AAIO | Alumni Association Incentive Offer | |
