| Acronym | Definition |
|---|
| FTSA➣Financial Time Series Analysis |
| FTSA➣Faculdade Teológica Sul Americana (Brasil) |
| FTSA➣Federal Transportation Security Administration |
| FTSA➣France Telecom, Société Anonyme (French: France Telecom Limited Company) |
| FTSA➣First Technology Safety and Analysis |
| FTSA➣Foundation to Save Abandonware |
| FTSA➣Fault Tolerant System Architecture |
| FTSA➣Foil-Type Spiral Antenna |
| FTSA➣Seaman Apprentice, Fire Control Technician Striker (Naval Rating) |