| Acronym | Definition |
|---|
| CECS | College of Engineering and Computer Science |
| CECS | Candle Electronic Customer Support |
| CECS | Co-operative Education & Career Services (University of Waterloo, Canada) |
| CECS | Computer Engineering and Computer Science |
| CECS | Chronic Exertional Compartment Syndrome |
| CECS | Center for Embedded Computer Systems |
| CECS | Central European Congress of Surgery |
| CECS | Center for the Evaluative Clinical Sciences (Dartmouth) |
| CECS | Community Education Computer Society (Namibia and South Africa) |
| CECS | Center for Energy & Climate Solutions |
| CECS | Certified Expert Cloud Security (Lunarline School of Cybersecurity; various locations) |
| CECS | Senior Chief Construction Electrician (Naval Rating) |
| CECS | Casualty Evacuation & Control Ship |
| CECS | Computer Education and Cognitive Sciences |
| CECS | Communications-Electronics Coordinating Section |
| CECS | Closed-Loop Environmental Control System |