| Acronym | Definition |
|---|
| CECR | Construction Electrician (US Navy rank) |
| CECR | Controlled Electron Capture Reaction (physics) |
| CECR | Center for Early Childhood Research (University of Chicago) |
| CECR | Civil Engineering Completed Risks (insurance) |
| CECR | Centre d'Études des Cultures et des Religions (French: Center for the Study of Cultures and Religions) |
| CECR | Central European Congress of Rheumatology (arthritis) |
| CECR | Crew Enhancement Crew Rest |
| CECR | Controlled Equipage Custody Record |
| CECR | Change Entry Certification Record (US Navy) |
| CECR | Center for Engineering Cells and Regeneration (University of Pennsylvania; Philadelphia, PA) |