FFSS
| Acronym | Definition |
|---|---|
| FFSS | Full Frequency Stereo Sound |
| FFSS | Fédération Française de Sauvetage et de Secourisme (French: French Federation of Rescue and First Aid) |
| FFSS | Fox Five Surprise Squad (show) |
| FFSS | Full Frequency Stereophonic Sound |
| FFSS | Fleming File Sharing System (file sharing protocol) |
| FFSS | Fisk Fatigue Severity Score |
| FFSS | Federico Fellini Sud Story (Italian: Federico Fellini South Story; fictional screenplay) |
| FFSS | Ferrovie Dello Stato - Italian Railway |
| FFSS | Fibrin-Fibronectin Sealing System |