| Abbreviation | Definition |
|---|---|
| ADAF | American Dietetic Association Foundation |
| ADBF | Arizona Dream Builder Foundation |
| ADF | Alcohol and Drug Foundation |
| ADF | Asian Dub Foundation |
| ADFJ | Accessible Design Foundation of Japan |
| ADMF | Africa Digital Media Foundation |
| ADRF | Australian Dental Research Foundation |
| ADSF | A Different September Foundation |
| ADSF | Australasian Diving Safety Foundation |
| ADVF | Andrew Dougherty Vision Foundation |
| AECF | American Egyptian Cooperation Foundation |
| AECF | Annie E Casey Foundation |
| AEF | Abilene Education Foundation |
| AEF | Abington Educational Foundation |
| AEF | Alameda Education Foundation |
| AEF | Albany Education Foundation |
| AEF | Alhambra Educational Foundation |
| AEF | American Endowment Foundation |
| AEF | American Experience Foundation |
| AEF | Amherst Education Foundation |