| Acronym | Definition |
|---|
| FNCS➣Fédération Nationale des Centres de Santé (French: National Federation of Health Centers) |
| FNCS➣Fédération Nationale des Cadres Supérieurs (French: National Federation of Senior Executives of Electricity and Gas) |
| FNCS➣Fédération Nationale des Chorales Scolaires (French: National Federation of School Choirs) |
| FNCS➣Food, Nutrition and Consumer Services (USDA) |
| FNCS➣Fidelity National Credit Services |
| FNCS➣Full Naval Control of Shipping |
| FNCS➣Falcon Northwest Computer Systems |
| FNCS➣Flipper Natation Club St. Georges (French: St. George Flipper Swimming Club) |
| FNCS➣Facial Motor Nerve Conduction Studies (neurophysiology) |