ABCD stands for;

ABCD Anybody Can Dance (film)
ABCD Asset-Based Community Development
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 Agri-Business Child Development (est. 1946; New York)
ABCD Appropriate Blood Pressure Control in Diabetes
ABCD Association of British Choral Directors
ABCD Above and Beyond the Call of Duty
ABCD Able Seaman Clearance Diver (Australia)
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 Admit, Believe, Conform, Defend
ABCD Associazione di Biologia Cellulare e del Differenziamento
ABCD AltaVista Business Card Directory
ABCD Albinism, Black Lock, Cell Migration Disorder (Syndrome)
ABCD Astrology, Bollywood, Cricket and Devotion (Indian cellphone market)
ABCD Association of Biomedical Communications Directors
ABCD Airway, Breathing, Circulation, Defibrillation (emergency care)
ABCD Agent Based Computational Demography

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 Advanced Base Construction Depot
ABCD American Board of Cosmetic Dentistry
ABCD airway, breathing, circulation, differential diagnosis (emergency care)

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 Associated Businesses of the Cultural District (Texas)
ABCD After Breast Cancer Diagnosis, Inc. (support organization)
ABCD Advanced Beam Concept Development

ABCD Academy of Biblical Character Development
ABCD Air Biway Corridor Defense (SkimAire hovercraft ground effect machine by Air Rider Transport Inc.)
ABCD Algemene Bridge Club Dronten
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 Association for Born-Again Church Dropouts (Albuquerque, NM)
ABCD Attachment Based Collaborative Diagnosis (psychotherapy)