| CIAP | C4ISR Integrated Architecture Program 
| Others |
| CIAP | Calf Intestinal Alkaline Phosphatase
| Others |
| CIAP | California Inventors Assistance Program
| Others |
| CIAP | Central Intelligence Agency Program
| Others |
| CIAP | Centre for Institutional Analysis and Planning
| Others |
| CIAP | Certified Internet Audit Professional
| Others |
| CIAP | Circuit Intercept Access Point
| Others |
| CIAP | Civil Information Awareness Program
| Others |
| CIAP | Climatic Impact Assessment Program
| Others |
| CIAP | Clinical Information Access Portal
| Others |
| CIAP | Coastal Impact Assistance Program
| Others |
| CIAP | Competition In Arms Program
| Others |
| CIAP | Conference for Interdisciplinary Approaches to Politics
| Others |
| CIAP | Conference on Implantable Auditory Prostheses
| Others |
| CIAP | Construction Industry Advancement Program
| Others |
| CIAP | Construction Industry Authority of the Philippines
| Others |
| CIAP | Critical Infrastructure Assurance Program
| Others |