| Abbreviation | Definition |
|---|---|
| AFEN | Advanced Funding Exchange Notice |
| AFEN | Atlantic Frontier Environmental Network |
| AFER | Actuarially Fair Early Retirement |
| AFERS | Air Force Edit and Routing System |
| AFESD | Arab Fund for Economic and Social |
| AFESD | Arab Fund for Economic and Social Development |
| AFESD | Arab Fund for Economic Social Development |
| AFESS | Automatic Fire and Explosion Suppression System |
| AFF | A Friendly Face |
| AFF | abbreviation Define AFF |
| AFF | Abbreviation Full Forms |
| AFF | Accelerated Freefall AFF |
| AFF | Adult Fan Fiction |
| AFF | Advanced Fire Fighting |
| AFF | Advanced Forensic Format |
| AFF | Advanced Forensics Format |
| AFF | Affectionate AFF Affirmative |
| AFF | All Flash FAS |
| AFF | American Fast Freight |
| AFF | America's Future Fdn |