CSEF
| Acronym | Definition |
|---|---|
| CSEF | Centre for Studies in Economics and Finance (Napoli, Italy) |
| CSEF | Comité Subrégional de l'Emploi et de la Formation (French: Subregional Committee for Employment and Training; Belgium and Luxembourg) |
| CSEF | Children's Safety Education Foundation (Stockport, England, UK) |
| CSEF | Colorado Science and Engineering Fair (Fort Collins, CO) |
| CSEF | Caribbean Sustainable Energy Forum |
| CSEF | Committee for Safe Energy Future |
| CSEF | Counter Strike Elite Force (gaming clan) |