| CIAC | A Central Intelligence Agency Computers 
| Others |
| CIAC | California International Arbitration Council
| Others |
| CIAC | California Intersegmental Articulation Council
| Others |
| CIAC | Capital Improvement Advisory Committee
| Others |
| CIAC | Capital Improvements Advisory Committee
| Others |
| CIAC | Carolinas Intercollegiate Athletic Conference
| Others |
| CIAC | Center For Indigenous Arts Cultures
| Others |
| CIAC | Center for Information Assurance and Cybersecurity
| Others |
| CIAC | Central Intercollegiate Athletic Conference
| Others |
| CIAC | Cephalopod International Advisory Council
| Others |
| CIAC | Changchun Institute of Applied Chemistry
| Others |
| CIAC | China and Inner Asia Council
| Others |
| CIAC | Cisco Intelligent Automation for Cloud
| Others |
| CIAC | Citizen Involvement Advisory Committee
| Others |
| CIAC | Clinicians In Abortion Care
| Others |
| CIAC | Cluster de la Industria d'Automocio de Catalunya
| Others |
| CIAC | Coalition to Improve Advanced Care
| Others |
| CIAC | Colorado Information Analysis Center
| Others |
| CIAC | Commercial and Industrial Air Conditioning
| Others |
| CIAC | Community Innovation and Action Center
| Others |
| CIAC | Community Involvement Advisory Committee
| Others |
| CIAC | Community Involvement Advisory Council
| Others |
| CIAC | Computer Incident Advisory Capability
| Others |
| CIAC | Computer Incident Advisory Capability (U.S. Department of Energy)
| Others |
| CIAC | Computer Incident Advisory Center
| Others |
| CIAC | Computer Incident Assessment Capability
| Others |
| CIAC | Connecticut Interscholastic Athletic Conference
| Others |
| CIAC | Construction Industry Advisory Committee
| Others |
| CIAC | Construction Industry Advisory Council
| Others |
| CIAC | Continuous Improvement Advisory Committee
| Others |
| CIAC | Contribution In Aid of Construction
| Others |
| CIAC | Contributions In Aid of Construction
| Others |
| CIAC | Cornell International Affairs Conference
| Others |