| Acronym | Definition |
|---|
| FSTS➣Faculté des Sciences et Techniques de Settat (French: Faculty of Science and Technology of Settat; Settat, Morocco) |
| FSTS➣Fire Service Training School (Great Falls, MT) |
| FSTS➣Fédération des Sociétés de Tir de la Sarine (French: Shooting Federation of Societies of Sarine; Switzerland) |
| FSTS➣Federal Secure Telephone Service |
| FSTS➣Formal Schools Travel Support (US Marine Corps) |
| FSTS➣Fairfield/Suisun Transit System (California) |
| FSTS➣Front Side Tail Slide (skateboarding) |
| FSTS➣Flight Simulation Training System (US Army) |
| FSTS➣Future Soldiers Training System (US Army) |