| Acronym | Definition |
|---|
| FACS | Fellow, American College of Surgeons |
| FACS | Department of Family and Community Services (Australia) |
| FACS | Facial Action Coding System |
| FACS | Fundación Augusto C. Sandino (Spanish) |
| FACS | Fair Access to Care Services (UK) |
| FACS | Family and Children's Services (US) |
| FACS | Formal Aspects of Component Software |
| FACS | Formal Aspects of Computing Science (specialist group of the British Computer Society) |
| FACS | Firmware ACPI Control Structure |
| FACS | Fédération des Amis des Chemins de Fer Secondaires (French railway association; est. 1957) |
| FACS | Fundación Augusto César Sandino |
| FACS | Facilities Assignment and Control System (telecom) |
| FACS | Financial Accounting & Control System (USDA) |
| FACS | Florida Association of Crime Stoppers |
| FACS | Financial and Contractual Status (NASA) |
| FACS | Feature/Attribute Coding Standard |
| FACS | Field Automated Communication System |
| FACS | Field Activated Combustion Synthesis |
| FACS | Fetal Anti-Convulsant Syndrome |
| FACS | Fluorescence Atom-Coincidence Spectroscopy |
| FACS | Field Army Communication System |
| FACS | Field Artillery Coordination Section |
| FACS | Field Applications Catalog System |
| FACS | Financial and Contractual Status System |
| FACS | Financial Accounting and Contractual Status |
| FACS | Future Armored Combat System |
| FACS | Fully Automatic Computer System |
| FACS | Functional Area Control System |
| FACS | Financial Assistance & Counseling System |
| FACS | Forward Area Control System |
| FACS | Fleet Analysis Communications System |
| FACS | Financial, Adminstrative & Credit Services |
| FACS | Facility Access Control System (Telecom) |
| FACS | Fellow, Australian Computer Society |
| FACS | Florida Agriculture and Consumer Services |
| FACS | Facs Aids Cost Supervision (cost software hosted on sourceforge, under free software license GPL) |
| FACS | Frame and Cable System (telecom) |
| FACS | First Assembly Christian School |
| FACS | Family And Consumer Sciences |
| FACS | Flexible Automated Collection System |
| FACS | Fluorescent Activated Cell Sorter |
| FACS | Foundation for American Communications |
| FACS | Federation of Asian Chemical Societies |