| Abbreviation | Definition |
|---|---|
| AFFS | Academy For Future Science |
| AFFS | Advocates for Fair Family Support |
| AFFSAF | Armed Forces Family Scholarship and Assistance Fund |
| AFFSF | Armed Forces Family Survivors Fund |
| AFFT | Americans For Fair Taxation |
| AFFV | Angel Flight For Veterans |
| AFG | Al-Anon Family Group |
| AFG | Alternatives For Girls |
| AFGA | Afghan Family Guidance Association |
| AFGE | American Forum for Global Education |
| AFHF | Air Force Historical Foundation |
| AFI | Albino Frog Institute |
| AFIA | Aerial Firefighting Industry Association |
| AFIA | Aluminium Foil Insulation Association |
| AFIA | Association of Forfaiters In the Americas |
| AFIC | Aboriginal Forest Industries Council |
| AFIC | Asian Food Information Center |
| AFIS | American Friends Immigrant Services |
| AFIT | Association For Institutional Thought |
| AFJ | Alliance For Justice |