| Abbreviation | Definition |
|---|---|
| FESA | Financial Engineering Student Association |
| FESA | Fire Engineering Systems Association |
| FESA | Flinders Education Student Association |
| FESA | Foundry Equipment and Supplies Association |
| FESA | Foundry Equipment Supplies Association |
| FESA | Frome Ex Students Association |
| FESPA | Federation of European Screen Printers Associations |
| FETA | Federation of Environmental Trade Associations |
| FETA | Fire Extinguishing Trades Association |
| FETAO | Federation of Women Teachers' Associations of Ontario (Canada) |
| FEWA | Forensic Expert Witness Association |
| FFA | Florida Association |
| FFA | Florida Association |
| FFAI | Flying Fifteen Association of Ireland |
| FFAJ | Financial Future Association of Japan |
| FFAJ | finanziellen Futures Association Japan |
| FFAJ | Futures Financial Association of Japan |
| FFAM | Federation of Filipino Associations in Malaysia |
| FFAM | Fire Fighters Association of Missouri |
| FFAN | édération Française des Associations Numismatiques F F A N |