| Acronym | Definition |
|---|
| FSIM➣File System Interface Module (software) |
| FSIM➣Flight Simulation |
| FSIM➣Feng Shui Institute of the Midwest |
| FSIM➣Formation Sécurité Incendie Mobile (French: Mobile Fire Safety Training) |
| FSIM➣Functional Simulation |
| FSIM➣Fiber Sensor Integrated Monitor |
| FSIM➣Fixed-Structure Interacting Multiple-Model |
| FSIM➣Foxboro Simulation |