CEIL
| Acronym | Definition |
|---|---|
| CEIL | Ceiling |
| CEIL | Comercial Exportadora Industrial, Ltda. (Portuguese: Commercial Exporting Industrial, Ltd.; Brazil) |
| CEIL | Castolin Eutectic Ireland Ltd. (Dublin, Ireland) |
| CEIL | Controlled Equipage Item List |
| CEIL | Contributing to Equality from Independent Living (various locations) |
| CEIL | Centres pour l'Enseignement Intensif des Langues (French: Intensive Language Education Centers; Algeria) |