| Acronym | Definition |
|---|
| CIEL➣Center for International Environmental Law |
| CIEL➣Common Interface Exchange Language |
| CIEL➣Centre International d'Etude des Langues (France) |
| CIEL➣Centre for Innovative and Entrepreneurial Leadership (Canada) |
| CIEL➣Cours Intensifs Erasmus de Langues (French: Erasmus Intensive Language Courses) |
| CIEL➣Centre d'Information sur l'Environnement de Longueuil (French: Longueuil Environmental Information Center; Longueuil, Quebec, Canada) |
| CIEL➣Consortium for Innovative Environments in Learning (est. 2001) |
| CIEL➣Center for International Education, La Salle (Mexico) |
| CIEL➣Chinese Institute of European Languages (Taiwan) |