FSSW
| Acronym | Definition |
|---|---|
| FSSW | Fox Sports Southwest |
| FSSW | Fédération Suisse de Ski Nautique et Wakeboard (French: Swiss Water Ski and Wakeboard Federation; Switzerland) |
| FSSW | Friction Stir Spot Welding |
| FSSW | F-Secure Startup Wizard |
| FSSW | Full Service Sex Worker |
| FSSW | Friends' School Saffron Walden (UK) |
| FSSW | Family and Society Studies Worldwide (database) |
| FSSW | Foundation Skills in Seasonal Workplaces (project; New Zealand) |