- ACIA stands for Agence Canadienne d’Inspection des Aliments (Canadian Food Inspection Agency)
- ACIA stands for Arctic Climate Impact Assessment
- ACIA stands for Asynchronous Communications Interface Adapter
- ACIA stands for Argus Center for Information Architecture (Argus Associates)
- ACIA stands for American Construction Inspectors Association
- ACIA stands for Africa Centre for Investment Analysis
- ACIA stands for Associacio Catalana d’Intelligencia Artificial
- ACIA stands for Automated Calibration Internal Analysis system
- ACIA stands for Association des Cadres Infirmiers d’Aquitaine
- ACIA stands for Arctic Climate Impact Association
ACIA Aviation Career Incentive Act of 1974
ACIA Associate of the Chartered Institute of Arbitrators
ACIA Association des Cadres Infirmiers Angevins
ACIA Ama City International Association (Aichi, Japan)
ACIA Association of Crime and Intelligence Analysts (UK)
ACIA