| FCSA | Florida Citrus Sports Association | 佛罗里达州柑橘运动协会 |
| FCSA | Fifty Caliber Shooter's Association | 50口径射手的协会 |
| FCSA | Feasibility Cost Share Agreement | 可行性成本分担协议 |
| FCSA | Seaman Apprentice, Fire Controlman Striker (Naval Rating) | 海员学徒，消防队员（海军等级） |
| FCSA | Fire Controlman Seaman Apprentice | 消防队员海员学徒 |