| Acronym | Definition |
|---|
| ISSF➣Ibm Software Services for Federal |
| ISSF➣International Shooting Sport Federation |
| ISSF➣International Stainless Steel Forum |
| ISSF➣International Symposium on Supercritical Fluids |
| ISSF➣International Students Science Fair (est. 2004) |
| ISSF➣International Symposium on Stratified Flows (engineering) |
| ISSF➣Image-Survivable Security Feature |
| ISSF➣International Stone Skipping Federation |
| ISSF➣Impala SS Forum |