| CEMS | Camp Ernst Middle School 
| Others |
| CEMS | Carbureted Engine Management System
| Others |
| CEMS | Catalyst Efficiency Management System
| Others |
| CEMS | Center for Early Music Studies
| Others |
| CEMS | Center for Eastern Mediterranean Studies
| Others |
| CEMS | Center for Engineering Mathematics and Science
| Others |
| CEMS | Center for Excellence in Math and Science
| Others |
| CEMS | Central European Management Science
| Others |
| CEMS | Chemical Engineering and Materials Science
| Others |
| CEMS | Chemical Environmental Management System
| Others |
| CEMS | Church of England Men's Society
| Others |
| CEMS | Cleveland Emergency Medical Services
| Others |
| CEMS | Coalition of Engineering Minority Societies
| Others |
| CEMS | College of Engineering and Mathematical Sciences
| Others |
| CEMS | Colorado Environmental Management Society
| Others |
| CEMS | Community Energy Management System
| Others |
| CEMS | Community Of European Management Schools
| Others |
| CEMS | Compound Element Mixture Solution
| Others |
| CEMS | Continuous Emisions Monitoring System
| Others |
| CEMS | Continuous Emission Monitoring System
| Others |
| CEMS | Continuous Emission Monitoring Systems
| Others |
| CEMS | Continuous Emissions Monitoring System
| Others |
| CEMS | Continuous Emissions Monitoring Systems
| Others |
| CEMS | Course Equivalency Management System
| Others |
| CEMS | Crew Environmental Management System
| Others |
| CEMS | Customs Electronic Manifest System
| Others |