| Acronym | Definition |
|---|
| CEG | Constellation Energy Group, Inc. |
| CEG | Civil Engineering and Geosciences |
| CEG | Course Equivalency Guide (colleges) |
| CEG | Creditreform Consumer GmbH (Germany) |
| CEG | Council for Excellence in Government |
| CEG | Collège d'Enseignement Général (France) |
| CEG | College of Engineering Guindy (India) |
| CEG | Conferencia Episcopal de Guatemala (Guatemala) |
| CEG | Certified Engineering Geologist |
| CEG | Consumer Electronics Group (IEEE) |
| CEG | Centro de Estudios de Guatemala (Spanish: Training Center of Guatemala) |
| CEG | Companhia Estadual de Gás (Brazilian State Gas Company) |
| CEG | Conditionally Exempt Generator (environment) |
| CEG | Continuous Edge Graphic |
| CEG | Computer Education Group (now merged with NAACE) |
| CEG | Combat Equipment Group |
| CEG | Civil Engineer Group (United States Air Force) |
| CEG | Career Employment Group (Whyalla Norrie, SA, Australia) |
| CEG | Contour Enthusiasts Group (Ford Contour owners) |
| CEG | CATIA Einsatz Gruppe (German automotive industry user group for Dassault Systemes' CAD application) |
| CEG | Combat Evaluation Group |
| CEG | Concept Engineering Group |
| CEG | Common Equipment Group |
| CEG | Council on Efficient Government (Florida, USA) |
| CEG | Church of the Eternal God (San Diego, CA) |
| CEG | Creative Events Group (Port Melbourne, VIC, Australia) |
| CEG | Cost Estimating Group |
| CEG | Central Equipment Group |
| CEG | Community Exposure Guidelines |
| CEG | Center for Efficient Government |
| CEG | Communication Equipment Group (AN/USC-38 EHF SATCOM terminal) |
| CEG | Convoy Escort Group |
| CEG | Corporate Environmental Governance |
| CEG | Continuous Exposure Guidance Level |
| CEG | Cultural Engagement Group (US Special Operations Command Central) |