| Acronym | Definition |
|---|
| FCSA | Fifty Caliber Shooter's Association |
| FCSA | Football Côte Saint André (French football club) |
| FCSA | Fichier Central des Sinistres Automobiles (French: Central Files Automobile Claims; database; Canada) |
| FCSA | Florida Citrus Sports Association |
| FCSA | Feasibility Cost Share Agreement |
| FCSA | Fee-Charge System Administrator (US FEMA) |
| FCSA | Fellow of the Chartered Secretaries Australia |
| FCSA | Fertility Center of San Antonio (Texas) |
| FCSA | Seaman Apprentice, Fire Controlman Striker (Naval Rating) |
| FCSA | Foreign Currency Savings Account |
| FCSA | Future COMSATCOM (Commercial Satellite Communications) Services Acquisition (US General Services Administration) |