| Abbreviation | Definition |
|---|---|
| ABASA | Asheville Buncombe Adult Soccer Association |
| ABAT | Auto Body Association of Texas |
| ABATE | Association of Businesses Advocating Tariff Equity |
| ABB | Association of British Bookmakers |
| ABBA | American Brahman Breeders Association |
| ABBA | American Business Brokers Association |
| ABBT | Association du Berger Blanc de Travail |
| ABC | Association of Bridal Consultants |
| ABC | Association to Benefit Children |
| ABCA | American Black Chiropractic Association |
| ABCC | Association for Black Culture Centers |
| ABCD | Association of Biochemistry Course Directors |
| ABCDE | Association of British Columbia Drama Educators |
| ABCE | Association of Bay County Educators |
| ABCFP | Association of BC Forest Professionals |
| ABCI | Association of Baptist Churches in Ireland |
| ABCI | Association of Baptist Churches in Israel |
| ABCP | Association of British Chinese Professors |
| ABCP | Association of Business Crime Partnerships |
| ABCT | Association for Behavioral and Cognitive Therapies |