| CEC | Cabin Equipment Center 
| Others |
| CEC | California Energy Commission
| Others |
| CEC | Cambodian Evangelical Church
| Others |
| CEC | Campus Events Commission
| Others |
| CEC | Canadian Electric Code
| Others |
| CEC | Canadian Electrical Code
| Others |
| CEC | Cardiac Evaluation Center
| Others |
| CEC | Career Education Corporation
| Others |
| CEC | Career Enrichment Center
| Others |
| CEC | Carro Esporte Clube
| Others |
| CEC | Casa de Economii si Consemnatiuni
| Others |
| CEC | Catamaran Europe Central
| Others |
| CEC | Cation Exchange Capacity
| Others |
| CEC | Cebu Eastern College
| Others |
| CEC | Cell Evaluation Chip
| Others |
| CEC | Center for Endometriosis Care
| Others |
| CEC | Central Electric Cooperative
| Others |
| CEC | Central Electronic Complex
| Others |
| CEC | Central Executive Committee
| Others |
| CEC | Certificate Enrollment Control
| Others |
| CEC | Certificate of Educational Convenience
| Others |
| CEC | Certified e-Business Consultant
| Others |
| CEC | Certified E-Commerce
| Others |
| CEC | Certified e-Commerce Consultant
| Others |
| CEC | Certified Enterprise Coach
| Others |
| CEC | Certified Enterprise Coaches
| Others |
| CEC | Certified Executive Chef
| Others |
| CEC | Change in Employee Compensation
| Others |
| CEC | Charismatic Episcopal Church
| Others |
| CEC | Chery Eastar Club
| Others |
| CEC | Chevrolet El Camino
| Others |
| CEC | Chicagoland Entrepreneurial Center
| Others |
| CEC | Chief Election Commissioner
| Others |
| CEC | Chief Executive Councillor
| Others |
| CEC | Child Educational Center
| Others |
| CEC | China Electricity Council
| Others |
| CEC | Chocolate Egg Cream
| Others |
| CEC | Chuck E Cheese
| Others |
| CEC | Chuck E Cheeses
| Others |
| CEC | Cisco Employee Connection
| Others |
| CEC | Citizens Environmental Coalition
| Others |
| CEC | Citrix Expert Center
| Others |
| CEC | Civil Engineer Corps
| Others |
| CEC | Class Executive Committee
| Others |
| CEC | Clean Energy Center
| Others |
| CEC | Clean Energy Coalition
| Others |
| CEC | Clean Energy Collective
| Others |
| CEC | Clear Enter Clear
| Others |
| CEC | Colombia Education Center
| Others |
| CEC | Colorado Early Colleges
| Others |
| CEC | Colorado Extended Cab
| Others |
| CEC | Columbia Education Center
| Others |
| CEC | Combat Engagement Center
| Others |
| CEC | Combination Emission Control
| Others |
| CEC | Commerce, Economics, Civics
| Education |
| CEC | Commission for Environmental Cooperation
| Others |
| CEC | Commission of European Communities
| Others |
| CEC | Commission of the European Communities
| Others |
| CEC | Commission on Education and Communication
| Others |
| CEC | Committee on Energy and Commerce
| Others |
| CEC | Commodities Exchange Center
| Others |
| CEC | Commonwealth Engineers Council
| Others |
| CEC | Communications Engineering Company
| Others |
| CEC | Community Education Center
| Others |
| CEC | Community Education Centers
| Others |
| CEC | Community Education Coalition
| Others |
| CEC | Community Engagement Center
| Others |
| CEC | Community Engagement Collaborative
| Others |
| CEC | Community Engagement Committee
| Others |
| CEC | Community Enrichment Center
| Others |
| CEC | Community Environmental Center
| Others |
| CEC | Community Environmental Centre
| Others |
| CEC | Community Environmental Council
| Others |
| CEC | Comprehensive ESRD (End-Stage Renal Disease) Care
| Others |
| CEC | Comprehensive ESRD Care
| Others |
| CEC | Computer Engineering Center
| Others |
| CEC | Computerized Emission Control
| Others |
| CEC | Computerized Engine Control
| Others |
| CEC | Concurrent Established Connections
| Others |
| CEC | Conference on E-Commerce
| Others |
| CEC | Conservation Education Centre
| Others |
| CEC | Consolidated Engine Controller
| Others |
| CEC | Consortium for Educational Change
| Others |
| CEC | Construction Electrician's Mate Chief Petty Officer
| Others |
| CEC | Construction Equipment Company
| Others |
| CEC | Consumer Electronic Control
| Others |
| CEC | Consumer Electronics Control
| Others |
| CEC | Consumer Electronics Controller
| Others |
| CEC | Contaminants of Emerging Concern
| Others |
| CEC | Continental Engineering Corporation
| Others |
| CEC | Continuing Education Centre
| Others |
| CEC | Continuing Education Courses
| Others |
| CEC | Continuing Education Credit
| Others |
| CEC | Continuing Episcopal Church
| Others |
| CEC | Contractor Establishment Code
| Others |
| CEC | Control Electronics Container
| Others |
| CEC | Control Encoder Coupler
| Others |
| CEC | Cooperative Engagement Capability
| Others |
| CEC | Coordinating European Council
| Others |
| CEC | Coordination and Evaluation Center
| Others |
| CEC | Corrective Education Company
| Others |
| CEC | Council For Exceptional Children
| Others |
| CEC | Crankcase Emission Control
| Others |
| CEC | Creative Edge Corporation
| Others |
| CEC | Crescent City, California USA
| Others |
| CEC | Critical Exponential Correction
| Others |
| CEC | Cross Entropy Clustering
| Others |
| CEC | Curriculum Enhancement Class
| Others |
| CEC | Custom Electronic Catalog
| Others |
| CEC | Custom Engine Control
| Others |
| CEC | Customer Experience Center
| Others |
| CEC | Early College
| Others |