| Acronym | Definition |
|---|
| IFSF➣India Food Service Forum |
| IFSF➣International Feng Shui Federation (Hong Kong) |
| IFSF➣International Federation of Snape Fans |
| IFSF➣Index of Female Sexual Function (urology) |
| IFSF➣International Free Software Forum |
| IFSF➣Institut de Formation Slow Food (international movement) |
| IFSF➣Irradiated Fuel Storage Facility |
| IFSF➣Islamic Foundation of South Florida (Sunrise, FL) |
| IFSF➣International Forecourts Standards Forum (oil industry group formed in 1993) |
| IFSF➣Infinity Speculative Fund, Inc. |
| IFSF➣InterFaith Settlement Foundation (UK) |
| IFSF➣Institut für Software-Forschung (German: Institute for Software Research) |