| Acronym | Definition |
|---|
| APCA | Assemblée Permanente des Chambres d'Agriculture (permanent assembly of the Chamber of Agriculture, France) |
| APCA | Australian Payments Clearing Association |
| APCA | Associação Paulista de Críticos de Arte (Portugese) |
| APCA | Association for the Promotion of Campus Activities |
| APCA | Air Pollution Control Association |
| APCA | American Personal Chef Association |
| APCA | Associação Portuguesa de Controlo Automático (Portuguese Association for Automatic Control) |
| APCA | American Portland Cement Alliance |
| APCA | Alaska Primary Care Association |
| APCA | Asociación en Participación, Consorcio o Asociación (Spanish: Participation in Partnership, Consortium or Association) |
| APCA | American Concrete Pavement Association |
| APCA | American Professional Captains Association |
| APCA | Acetazolamide-responsive Hereditary Paroxysmal Cerebellar Ataxia |
| APCA | Asian Pacific Community in Action (Phoenix, AZ) |
| APCA | Associação Portuguesa de Corridas de Aventura (Portuguese Adventure Racing Association) |
| APCA | Asia-Pacific Countertrade Association |
| APCA | Air Pollution Control Authority |
| APCA | Amateur and Professional Cartoonists Association |
| APCA | Asia-Pacific Center for Architecture |
| APCA | Associação Portuguesa das Casas Antigas (Portuguese Association of Antique Homes) |
| APCA | Australian Pest Controllers Association Inc. |
| APCA | Asociación de Productores de Café Genuino Antigua (Genuine Antigua Coffee Producers Association; Antigua; Guatemala) |
| APCA | American Philosophical Counseling Association |
| APCA | Air Pollution Control Area |
| APCA | Advanced Patient Care Assistant |
| APCA | Auditing Practices Committee Archive |
| APCA | Australian Personal Computer Accessories Pty Ltd |
| APCA | Add Purchasing Card Association |
| APCA | Ashland Professional Counseling Associates |
| APCA | American Pool Checker Association |
| APCA | Additional Protocol/Complementary Access |
| APCA | Australian Petroleum Consultants Association |