| Acronym | Definition |
|---|
| FTSS | Field Technical Sales Support |
| FTSS | Fiches Techniques Santé Sécurité (French: Material Safety Data Sheets; Canada) |
| FTSS | First Technology Safety Systems (Plymouth,MI) |
| FTSS | Fielded Training Systems Support |
| FTSS | Fédération de Tunis de Solidarité Sociale (French: Tunisian Federation of Social Solidarity; Tunisia) |
| FTSS | Full-Time Student Status (education) |
| FTSS | Field Technical Sales Support (IBM) |
| FTSS | Faciothoracoskeletal Syndrome |
| FTSS | Flight Test Simulation Station |
| FTSS | Forteresse Tout Service Simple (French gaming forum) |
| FTSS | Fuel Tank Self-Sealing System |