| Acronym | Definition |
|---|
| ISFS➣Invasive Species Forecasting System (US NASA and USGS) |
| ISFS➣Information Security and Forensics Society (Hong Kong) |
| ISFS➣International Student and Faculty Services (Oregon State University and Ohio University) |
| ISFS➣Interim Support Fund for Somalia (UN) |
| ISFS➣Interim Spent Fuel Storage (nuclear energy industry) |
| ISFS➣International Spent Fuel Storage |
| ISFS➣Internal Skeletal Fixation System (orthopedics) |
| ISFS➣Independent School Fees Solutions Ltd. (UK) |