| Acronym | Definition |
|---|
| FASS | Faculty of Arts and Social Sciences (National University of Singapore) |
| FASS | Festival des Arts de Saint-Sauveur (French: Saint-Sauveur Arts Festival; Canada) |
| FASS | Federation of Animal Science Societies |
| FASS | Financial Assessment Subsystem (US HUD) |
| FASS | Fédération Algérienne du Sport Scolaire (French: Algerian Federation of School Sport; Algeria) |
| FASS | Fonds d'Action Sanitaire et Sociale (French: Health and Social Fund) |
| FASS | Florida Agricultural Statistics Service |
| FASS | Financial Acquisition Support Services (USAF & General Services Administration contract vehicle) |
| FASS | Freien Akademischen Sportvereins Siegmundshof (German) |
| FASS | Fisheries and Aquatic Sciences Society |
| FASS | Fire Atmosphere Sampling System |
| FASS | Fixed Aircrew Seat Standardization |
| FASS | Foreign Affairs Sous-Sherpa (G7/G8 process) |
| FASS | Functional Area Subsystem |
| FASS | FOC Autonomous Safing Sequence |
| FASS | Fire & Air Support Section |
| FASS | Files Automation Scanning System |
| FASS | Fixed Air Sampling System |
| FASS | Functional Area Segment Specification |
| FASS | Frequency Agile Signal Simulation |
| FASS | Forward Area Sensor System |
| FASS | Forward Area Support System |
| FASS | Fundação Atlântico de Seguridade Social (private supplementary pension entity; Brazil) |
| FASS | First Article Sample Submission |
