| Abbreviation | Definition |
|---|---|
| ACFI | Alliance Cultural Foundation International |
| ACFW | American Concrete Foundations and Walls |
| ACFY | Arizona Community Foundation of Yuma |
| ACIF | Arizona Cattle Industry Foundation |
| ACMF | Alliance Community Medical Foundation |
| ACMF | Andy Caress Melanoma Foundation |
| ACMMF | A C Muthiah Medical Foundation |
| ACMSF | Allegheny County Medical Society Foundation |
| ACNF | African Caribbean Network Foundation |
| ACNF | Association of California Neurologists Foundation |
| ACQF | American City Quality Foundation |
| ACRF | Amador Cancer Research Foundation |
| ACRF | American College of Radiology Foundation |
| ACSEF | Alexander City Schools Education Foundation |
| ACSF | Air Charter Safety Foundation |
| ACSF | American Clean Skies Foundation |
| ACSF | Asheville City Schools Foundation |
| ACUF | American Conservative Union Foundation |
| ACVF | A Child's Voice Foundation |
| ACYF | Arctic Children and Youth Foundation |