| Abbreviation | Definition |
|---|---|
| AFF | Anti Free Flow |
| AFF | Apricot For Funders |
| AFF | Arduino Form Factor |
| AFF | Army Families Federation |
| AFF | Asean Football Federation |
| AFF | Association of Faculty and Friends |
| AFF | Atrial Fibrillation and Flutter |
| AFF | Atypical Femoral Fracture |
| AFF | Atypical Femur Fracture |
| AFF | Atypical Femur Fractures |
| AFF | Auckland Football Federation |
| AFF | Augmented File Format |
| AFF | Authentic Fan Friday |
| AFFA | abbreviation Define AFFA at |
| AFFA | Avengers Forever Forever Avengers |
| AFFB | A Flair for Buttons |
| AFFB | Agrava Fact Finding Board |
| AFFB | Alcohol Free Fermented Beverage |
| AFFB | Allman Feel Free to Brows |
| AFFB | Auto Flip Up Flood Barrier |