| Acronym | Definition |
|---|
| ACPA | American College Personnel Association |
| ACPA | Anticybersquatting Consumer Protection Act |
| ACPA | American Concrete Pavement Association |
| ACPA | Anti-Citrullinated Peptide Antibodies (rheumatoid arthritis) |
| ACPA | American Chronic Pain Association |
| ACPA | Association of Computer Programmers and Analysts |
| ACPA | Audio Capture and Playback Adapter |
| ACPA | American Cleft Palate-Craniofacial Association |
| ACPA | American Concrete Pipe Association |
| ACPA | American Crop Protection Association |
| ACPA | Air Canada Pilots Association |
| ACPA | American Catholic Philosophical Association |
| ACPA | American Concrete Pumping Association |
| ACPA | Atlanta Coalition of Performing Arts |
| ACPA | Anti-Citrullinated Protein Antibody |
| ACPA | Association of Canadian Port Authorities |
| ACPA | Association of Celebrity Personal Assistants |
| ACPA | Aboriginal Centre for the Performing Arts (Australia) |
| ACPA | Association of Certified Public Accountants |
| ACPA | Association of College Personnel Administrators |
| ACPA | Asociación Cubana de Producción Animal (Cuba) |
| ACPA | Alaska Center for the Performing Arts |
| ACPA | Association of the Chemical Profession of Alberta (Canada) |
| ACPA | Anti-Cytoplasmic Antibodies |
| ACPA | Affiliated Conference of Practicing Accountants |
| ACPA | Assistant Chief Patrol Agent (US Border Patrol) |
| ACPA | Australian Centre for Precision Agriculture |
| ACPA | Audio Capture and Playback Adapter (IBM) |
| ACPA | Associação Comercial de Porto Alegre |
| ACPA | Association Canadienne des Producteurs d'acier |
| ACPA | Association of Chinese Philosophers in America |
| ACPA | Australian Community Pharmacy Authority |
| ACPA | Alabama Cemetery Preservation Alliance |
| ACPA | Arkansas College Personnel Association |
| ACPA | Australasian Catholic Press Association |
| ACPA | American Chinese Pharmaceutical Association |
| ACPA | Arizona Crime Prevention Association |
| ACPA | Association Canadienne de Patinage Artistique (Canadian Figure Skating Association) |
| ACPA | Association of Certified Project Accountants (Slovenia) |
| ACPA | Association Cagnoise pour Les Animaux |
| ACPA | American Consumer Publishing Association |
| ACPA | Adaptive Controlled Phased Array |
| ACPA | Association of Construction Performance Advisors (UK) |
| ACPA | Alameda County Psychological Association |
| ACPA | American Chinese Professionals Association |
| ACPA | Alachua County Property Appraiser |
| ACPA | Association Corse pour les Personnes Agées (French: Corsica Elderly Association; est. 1974) |
| ACPA | Australian Child Protection Alliance |
| ACPA | Asian Control Professor's Association |
| ACPA | Association Castraise de Protection des Animaux (French: Castres Animal Welfare Association) |
| ACPA | Anti-Counterfeiting Consumer Protection Act (Canada) |
| ACPA | Air Charter Professionals Association |
| ACPA | Athlétic Club des Pays d'Agde (French athletic club) |
| ACPA | Association des Collaboratrices et Partenaires en Affaires |
| ACPA | Allegheny County Port Authority (Pittsburgh, PA) |
| ACPA | Activated Carbon Producers Association |
| ACPA | Associate Commissioner for Public Affairs |
| ACPA | Antitrust Civil Process Act |
| ACPA | Australian Cleaner Production Association Inc. |
| ACPA | Australian Company of Performing Arts |
| ACPA | Arkansas Crop Protection Association |
| ACPA | Arizona Crop Protection Association |
| ACPA | Alberta Cowboy Poetry Association |
| ACPA | Australian Chronic Pain Association |
| ACPA | Association of Christians in Planning and Architecture |
| ACPA | Associação Catarinense de Professores de Alemão |
| ACPA | Activité Camping Plein Air (French outdoor recreation equipment company) |
| ACPA | Associate Chief Patrol Agent |
| ACPA | Assistant Commissioner, Performance Assurance (Canada) |
| ACPA | Alberta Combat Pistol Association |
| ACPA | Advisory Committee for Public Art |
| ACPA | Australian Commercial Parachute Association |
| ACPA | Austrian Civil Protection Association |
| ACPA | American College of Psychoanalysts |
| ACPA | Associate of Chinese Photographic Association |
| ACPA | Associate Certified Project Accountant (membership grade; Association of Certified Project Accountants) |
| ACPA | Australian Cereberal Palsy Association |
| ACPA | Aperture-Coupled Patch Antenna |
| ACPA | Aid, Conflict and Peace Building in Afghanistan |
| ACPA | Aero-Club Picardie Amiens |
| ACPA | Association Culture Populaire En Agenais |
| ACPA | Auditing in the Caribbean: A Practical Approach |
| ACPA | Association Canadienne des Professionnels en Apiculture |
| ACPA | Asheville Center of Performing Arts |
| ACPA | Airborne Adaptive Controlled Phased Array Antenna System |
| ACPA | Association des Chimistes et Pharmaciens Analystes |
| ACPA | American Contingency Planning Association |
| ACPA | Asociación Civil Pacifismo Activo |
| ACPA | Asian Catholic Publishers Association, Inc. |
| ACPA | Association of Computer Programmers & Analysts |
| ACPA | Association des communicateurs peuls d'Afrique |
| ACPA | Affiliated Council of Practicing Accountants |
| ACPA | Association of Concrete Pumpers of America |