APCA may refer to:
*
Advanced Perceptual Contrast Algorithm
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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
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