ISSF
| 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 |