| Abbreviation | Definition |
|---|---|
| AWSS | Animal Welfare Society Stellenbosch |
| AWV | Association for Women Veterinarians |
| AYES | African Youth Entrepreneurship Society |
| AYS | Against Your Society |
| AYS | Art Youth Society |
| BA | British Academy |
| BA | British Association |
| BA | British Association for the Advancement of Science |
| BAA | British Archaeological Association |
| BAAL | British Association for Applied Linguistics |
| BAAS | Bay Area Animation Society |
| BAAS | British Association |
| BAAS | British Association for the Advancement of Science |
| BABCP | British Association for Behavioural and Cognitive Psychotherapies |
| BABES | Boston Area Beer Enthusiasts Society |
| BAD | Associação Portuguesa de Bibliotecários, Arquivistas e Documentalistas |
| BAD | Associao Portuguesa de Bibliotecrios, Arquivistas e Documentalistas |
| BAD | Portuguese Association of Librarians, Archivists and Documentalists |
| BADS | Bogra Anti Drug Society |
| BAdW | Bavarian Academy of Sciences and Humanities |