| Acronym | Definition |
|---|
| CEL | Cellular |
| CEL | Celestial |
| CEL | Contrat Éducatif Local (French: Local Educational Contract) |
| CEL | Check Engine Light |
| CEL | Compte Épargne Logement (French: Housing Savings Account) |
| CEL | Center for Entrepreneurial Leadership |
| CEL | Degrees Celsius (temperature) |
| CEL | Comisión Ejecutiva Hidroeléctrica del Río Lempa (El Salvador) |
| CEL | Commission on Environmental Law (International Union for Conservation of Nature) |
| CEL | Cours en Ligne (French: Online Courses; education) |
| CEL | Centre d'Étude de Langues (French: Center for the Study of Languages) |
| CEL | Centre d'Essais des Landes (French: Landes test center) |
| CEL | Center for Ecoliteracy |
| CEL | Conseil Européen pour les Langues (French: European Language Council) |
| CEL | Civil Engineering Laboratory |
| CEL | Chemical Engineering Laboratory |
| CEL | Center for Enriched Living (Riverwoods, IL) |
| CEL | Correlated Emission Laser |
| CEL | Chauffage par les Énergies Locales (French renewable energy company) |
| CEL | Center for Effective Leadership |
| CEL | Customer Engagement Lifecycle |
| CEL | Communications Engineering Laboratory |
| CEL | Computer Economics Limited |
| CEL | Contrast-Enhancing Layer (lithography) |
| CEL | Cost Effective Location |
| CEL | Combined Events List |
| CEL | Channel Effluent Limit |
| CEL | Carbon Equilibrium Loop |
| CEL | Cutaneous Epitheliotropic Lymphoma |
| CEL | Civilian Employment Level |
| CEL | Common Equipment List |
| CEL | Closed End Liftable (tubing) |
| CEL | Christ Evangelical Lutheran |
| CEL | Certificate of English Law |
| CEL | Certificate in English Language (various locations) |
| CEL | Cutting Edge Labs (fitness) |