| Acronym | Definition |
|---|
| ABCD | Action for Boston Community Development |
| ABCD | Americans for Better Care of the Dying |
| ABCD | Asset-Based Community Development Institute |
| ABCD | Access to Baby and Child Dentistry (Washington state) |
| ABCD | Appropriate Blood Pressure Control in Diabetes |
| ABCD | Association of British Choral Directors |
| ABCD | Above and Beyond the Call of Duty |
| ABCD | American Born Confused Desi (Asia-Indians raised in USA) |
| ABCD | Association for Bridge Construction and Design |
| ABCD | A Basic Course in Dvorak |
| ABCD | Association of British Clinical Diabetologists |
| ABCD | Array-Bounds Checks on Demand |
| ABCD | Alliance for the Betterment of Citizens with Disabilities (New Jersey) |
| ABCD | Asymmetry, Border, Color, Diameter (melanoma detection) |
| ABCD | Actuarial Board for Counseling and Discipline |
| ABCD | Associação Brasileira de Colite Ulcerativa e Doença de Crohn |
| ABCD | Associazione di Biologia Cellulare e del Differenziamento |
| ABCD | AltaVista Business Card Directory |
| ABCD | Albinism, Black Lock, Cell Migration Disorder (Syndrome) |
| ABCD | Association of Biomedical Communications Directors |
| ABCD | Agent Based Computational Demography |
| ABCD | Airway, Breathing, Circulation, Defibrillation (emergency care) |
| ABCD | Association for the Benefit of Child Development (North Carolina) |
| ABCD | Add Binary Coded Decimal (Motorola 68k processor instruction) |
| ABCD | Accelerated Business Collection and Delivery |
| ABCD | Actively Building Capacity for Diversity |
| ABCD | ATP-Binding Cassette, Subfamily D |
| ABCD | Action de Bénévoles pour la Coopération et le Développement (French: Volunteer Action for Cooperation and Development) |
| ABCD | American Board of Cosmetic Dentistry |
| ABCD | Advanced Base Construction Depot |
| ABCD | airway, breathing, circulation, differential diagnosis (emergency care) |
| ABCD | Associated Businesses of the Cultural District (Texas) |
| ABCD | Airway, Breathing, Circulation, and Disability |
| ABCD | Age, Blood pressure, Clinical features, Duration of symptoms (system to determine risk of stroke within 7 days of a transient ischemic attack, TIA) |
| ABCD | After Breast Cancer Diagnosis, Inc. (support organization) |
| ABCD | Algemene Bridge Club Dronten |
| ABCD | Advanced Beam Concept Development |
| ABCD | Air Biway Corridor Defense (SkimAire hovercraft ground effect machine by Air Rider Transport Inc.) |
| ABCD | Academy of Biblical Character Development |
| ABCD | Airway, Breathing, Circulation, Decision (emergency care) |
| ABCD | Awaiting Bad Conduct Discharge |
| ABCD | Airway, Breathing, Circulation, Definitive Treatment (emergency cardiac care) |
| ABCD | Aga Bai Chaddi Diste |
| ABCD | Attachment Based Collaborative Diagnosis (psychotherapy) |
| ABCD | Able Seaman Clearance Diver (Australia) |