| Abbreviation | Definition |
|---|---|
| AAUW | American Association Of University Women |
| AAVP | Academic Affairs Vice President |
| AAVP | Associate Academic Vice President |
| AAWS | Association Of African Women Scholars |
| AAWU | Athletic Association of Western Universities |
| AB | Accreditation Body |
| AB | Activities Building |
| AB | Advanced Business |
| AB | Alpha Beta |
| ABA | American British Academy |
| ABA | Applied Behavior Analysis |
| ABA | Applied Behavioral Analysis |
| ABACUS | Association of British And Chinese University Students |
| ABATE | American Brotherhood Aimed Towards Education |
| ABBS | Arizona Biological and Biomedical Sciences |
| ABC | About Basic Composition |
| ABC | Academics Baseball Citizenship |
| ABC | Academics Business And Community |
| ABC | Anchorage Basic Curriculum |
| ABCC | Administrative and Bioinformatics Coordinating Center |