| Acronym | Definition |
|---|
| CIAP | Comprehensive Improvement Assistance Program |
| CIAP | Circuit Intercept Access Point |
| CIAP | Coastal Impact Assistance Program |
| CIAP | Clinical Information Access Program (New South Wales, Australia) |
| CIAP | Calf Intestinal Alkaline Phosphatase |
| CIAP | Cambodia-IRRI-Australia Project |
| CIAP | Central Intelligence Agency Program (US DoD) |
| CIAP | Canadian Immunization Awareness Program |
| CIAP | Climate Impact Assessment Program (high altitude aircraft) |
| CIAP | Central Intelligence Architecture Plan (US DoD) |
| CIAP | Chronic Idiopathic Axonal Polyneuropathy |
| CIAP | Critical Infrastructure Assurance Program (US government) |
| CIAP | Construction Industry Advancement Program of New Jersey |
| CIAP | Command Intelligence Architecture Program |
| CIAP | Command Intelligence Architecture Plan (US DoD) |
| CIAP | Computational Intelligence Applied to Power Laboratory (National Cheng Kung University, Taiwan) |
| CIAP | Climatic Implications of Atmospheric Pollution |
| CIAP | Central Interregional de los Artesanos del Perú |
| CIAP | Combat Intelligence Architecture Plan |
| CIAP | C4ISR Integrated Architecture Program (now Command Information Superiority Architectures, CISA) |
| CIAP | Confederation Internationale des Anciens Prisonniers de Guerre |
| CIAP | College of Information Assurance Professionals |