| 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 |