| Abbreviation | Definition |
|---|---|
| ABCT | Association for Behavioural and Cognitive Therapies |
| ABCT | Association of Behavioral and Cognitive Therapies |
| ABD | Association Belge de Documentation |
| ABDA | American Behçet's Disease Association |
| ABDA | App Based Drivers Association |
| ABDA | Australian Book Designers Association |
| ABDC | Association of Birth Defect Children |
| ABDM | Association Belge de Droit Maritime |
| ABEA | American Broncho Esophagological Association |
| ABEA | American Bunka Embroidery Association |
| ABEA | Anchor Bay Evangelistic Association |
| ABEA | Association Bretonne des Entreprises Agroalimentaires |
| ABEA | Association of Bulgarian Energy Agencies |
| ABEA | Atlantic Branch Equipment Association |
| ABEC | Association of Bulgarian Engineers in Canada |
| ABEI | Association of British Engineers in Italy |
| ABF | Association des Bibliothecaires Francais |
| ABFA | Amitabh Bachchan Fans Association |
| ABFA | Asia Branding and Franchising Association |
| ABFA | Asset Based Finance Association |