| Acronym | Definition |
|---|
| CEMS | Continuous Emission Monitoring System |
| CEMS | Community of European Management Schools |
| CEMS | Center for Emergent Matter Science (Japan) |
| CEMS | Customer Energy Management System (software) |
| CEMS | Chemical Engineering & Materials Science |
| CEMS | Crew Endurance Management System (United States Coast Guard) |
| CEMS | Conversion Electron Mossbauer Spectroscopy |
| CEMS | Comprehensive Engine Management System |
| CEMS | Communications-Electronics Management System |
| CEMS | Church of England Men's Society (UK) |
| CEMS | Community Emergency Medical Services (Southfield, Michigan) |
| CEMS | Centralized Error Management System |
| CEMS | Center for Essential Management Services (Greenlawn, NY) |
| CEMS | Cory Environmental Municipal Services (UK) |
| CEMS | Carbureted Engine Management System |
| CEMS | Cumulative Effects Management System (Canada) |
| CEMS | Catalyst Efficiency Management System |
| CEMS | Crew and Equipment Mobility System |
| CEMS | Communications-Electronics Management Staff |
| CEMS | Civil Engineer Management System |
| CEMS | Communication & Electronics Maintenance Squadron |
| CEMS | Certificat d'Etudes Musicales Supérieures (French) |