ISEF
| Acronym | Definition |
|---|---|
| ISEF | International Science and Engineering Fair |
| ISEF | Instruction Set Extension Fabric (data path) |
| ISEF | International Sephardic Education Foundation (New York, NY) |
| ISEF | Index des Sites Éducatifs de la Francophonie (French: Francophone Educational Sites Index) |
| ISEF | International Scholar Exchange Fellowship (Korea Foundation for Advanced Studies) |
| ISEF | International Society for Ethnology and Folklore |
| ISEF | International Sustainable Energy Forum |