| 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) |