| Acronym | Definition |
|---|
| CES | Consumer Electronics Show |
| CES | Current Employment Statistics |
| CES | Cooperative Extension Service |
| CES | Continuing Education System |
| CES | Conseil Economique et Social (French) |
| CES | Cooperative Educational Services |
| CES | Catholic Education Service |
| CES | Center for European Studies (university) |
| CES | Chauffe-Eau Solaire (French: Solar Water Heater) |
| CES | Cleveland Engineering Society |
| CES | Confédération Européenne des Syndicats (French: European Trade Union Confederation) |
| CES | Consejo Economico y Social (Spanish: Economic and Social Council) |
| CES | Coalition of Essential Schools |
| CES | Centre d'Économie de la Sorbonne (French: Sorbonne Economic Center; Pantheon-Sorbonne University; Paris, France) |
| CES | Center for Epidemiologic Studies |
| CES | Centro de Estudos Sociais (Portugal) |
| CES | Contrat Emploi-Solidarité (French employment contract) |
| CES | Civil Engineering Squadron |
| CES | Comitato Economico e Sociale (Italian: Economic and Social Committee) |
| CES | Canadian Environmental Solutions |
| CES | Conseil économique social |
| CES | Constant Elasticity of Substitution |
| CES | Centro de Estudios Superiores (Spanish University System) |
| CES | Circuit Emulation Service (ATM) |
| CES | Computer Electronics Show |
| CES | Career and Employment Services |
| CES | Corpus Encoding Standard |
| CES | Collège d'Enseignement Secondaire (France) |
| CES | Consulting Engineering Services (India) Limited |
| CES | Certified Exchange Specialist |
| CES | Cranial Electrical Stimulation |
| CES | C-bit Errored Seconds |
| CES | Character-Encoding Scheme |
| CES | Cat Eye Syndrome |
| CES | Columbia Elementary School |
| CES | Carboxylesterase |
| CES | Connecticut Cooperative Extension System |
| CES | Consumer Electronics Society (IEEE) |
| CES | Coalition for Economic Survival (Los Angeles, California) |
| CES | Counselor Education and Supervision |
| CES | Carrier Ethernet Services |
| CES | Communications Security Establishment (Canadia) |
| CES | Center for Environmental Science (University of Maryland) |
| CES | Civil Engineering Structures |
| CES | Chinese Economists Society |
| CES | Collège des Économistes de La Santé (Paris, France) |
| CES | Church Education System (Church of Jesus Christ of Latter Day Saints) |
| CES | Closed End Second (Mortgage) |
| CES | Coast Earth Station (INMARSAT) |
| CES | Center for Ecosystem Survival |
| CES | Centre Européen des Silicones (Brussels, Belgium; European silicones trade association) |
| CES | Christ Episcopal School |
| CES | Contivity Extranet Switch |
| CES | Central Experiment Station (Trinidad and Tobago) |
| CES | Crew Escape System (NASA) |
| CES | Centro de Educação para A Saúde (Brasil) |
| CES | Cost Element Structure |
| CES | Construction Electrician (Shop) |
| CES | Coude Echelle Spectrometer (ESO) |
| CES | Cabin Electronic System (Rockwell) |
| CES | Confederation of European Scouts |
| CES | Computer Election Systems |
| CES | Complete Equipment Schedule |
| CES | Computer Engineering Systems |
| CES | Certified Enrollment Specialist |
| CES | Cummins Emissions Solutions |
| CES | Connection Endpoint Suffix |
| CES | China Evangelical Seminary |
| CES | Conservation des Eaux et Sols (French: Conservation of Water and Soil; Nigeria) |
| CES | Credit Enhancement Securities |
| CES | Constellation Energy Source |
| CES | Card Establishment Services, Inc (now FDMS North / CardNet) |
| CES | Commander's Estimate of the Situation |
| CES | Calvert Education Services |
| CES | Core Enterprise Service |
| CES | Crestline Elementary School (Mountain Brook, Alabama) |
| CES | Colleyville Elementary School |
| CES | Clinical Engineering Service |
| CES | Clean Energy Supercluster (Colorado State University) |
| CES | Control Electronics System (NASA) |
| CES | Conical Earth Sensor |
| CES | Central E-Mail Service (NIH) |
| CES | Cognitive Environment Simulator |
| CES | Customer Equipment Service |
| CES | Consultant Evaluation System (New Jersey Department of Transportation.) |
| CES | Central Earth Station (component of satellite communication system) |
| CES | Chesterbrook Elementary School (Illinois) |
| CES | Cohen Elementary School |
| CES | Center for Election Systems (Kennesaw State University, Georgia) |
| CES | Cumulative Enlisted Service |
| CES | Continuous Engineering Support (UK Ministry of Defence) |
| CES | Code Enabling Switch |
| CES | Consolidated Earth Station (FCC) |
| CES | Customs Exam Station (US Customs and Border Protection) |
| CES | Centro Especial de Seguimiento (Special Center of Pursuit, Ecuador) |
| CES | Correspondence Expert System |
| CES | Circuit Emulation Switching |
| CES | Channel Evaluation System |
| CES | Cellular Evolution Strategy |
| CES | Clean Everyone's Stuff (US Air Force) |
| CES | Chancellor Elementary School |
| CES | Common Equipment Suite |
| CES | Control Earth Station |
| CES | Comprehensive Engineering Services, Inc (Orlando, FL) |
| CES | Christians for Environmental Stewardship |
| CES | Current Environmental Solution |
| CES | Customs Exam Site (US Customs and Border Protection) |
| CES | Cost Estimating Sheet(s) |
| CES | Cryogenic Engine Subassembly |
| CES | Communications Equipment String |
| CES | Customer Expectation Survey |
| CES | Candelaria Elementary School (Philippines, Province of Quezon) |
| CES | Certificate in Engineering Sales |
| CES | Computational Engineering Science |
| CES | Civilian Education System (US Army) |
| CES | Civil Engineering Society |
| CES | Consulting Engineers Services Pvt. Ltd. |
| CES | Common Economic Space (various nations) |
| CES | Certified Estate Specialist (various organizations) |
| CES | Conference of European Statisticians (annual; UN Economic Commission for Europe) |
| CES | Catholic Elementary School (various locations) |
| CES | Clean Energy Systems, Inc. (Rancho Cordova, CA) |