| Abbreviation | Definition |
|---|---|
| 7THDAYREPAIRERRESTORERISAIAH5812 | "And they that shall be of thee shall build the old waste places: thou shalt raise up the found |
| A2b | Adyar anantha bhavan |
| AAAAI | American Academy of Allergy, Asthma & Immunology |
| AAAF | Accelerate and Access Foundation |
| AAAF | Ambulance Access for All Foundation |
| AAAF | Asian Allergy Asthma Foundation |
| AACF | African American Community Foundation |
| AACF | Athens Area Community Foundation |
| AADF | Ageless Aviation Dreams Foundation |
| AADF | Albanian-American Development Foundation |
| AADF | Alvin Ailey Dance Foundation |
| AAEF | American Association of Endodontics Foundation |
| AAEF | Association of American Educators Foundation |
| AAF | AGCO Agriculture Foundation |
| AAF | Amarillo Area Foundation |
| AAF | American Armoured Foundation |
| AAF | American Asthma Foundation |
| AAF | American Austrian Foundation |
| AAFA | Asthma and Allergy Foundation of America |
| AAFC | Army Acquisition Foundation Course |