APCA

APCA may refer to:


 * Advanced Perceptual Contrast Algorithm
 * Agrupación de Comandos Anfibios (Amphibious Commandos Group), a special operations force of the Argentine Marine Corps
 * Arthur – Pieman Conservation Area, in Tasmania, Australia
 * Associação Paulista de Críticos de Arte, arts award organization based in São Paulo, Brazil
 * Australian Payments Clearing Association