| Abbreviation | Definition |
|---|---|
| ACES | Association for Children of Enforcement of Support |
| ACF | Advocate Charitable Foundation |
| ACF | AIDS Care Fund |
| ACF | Alaska Conservation Foundation |
| ACF | Alhambra Charity Fund |
| ACF | American Communications Foundation |
| ACF | Arkansas Community Foundation |
| ACFA | Arab Children Friends Association |
| ACFA | Association Canadienne-Francaise de l'Alberta |
| ACFA | Australia China Foundation Association |
| ACFB | Association of Community Foundations in Bulgaria |
| ACFB | Atlanta Community Food Bank |
| ACFC | American Coalition for Fathers and Children |
| ACFEI | American College of Forensic Examiners International |
| ACFF | African Children Future Fund |
| ACFF | American Culinary Federation Foundation, Inc. |
| ACFI | Advocates for Children and Families, Inc. |
| ACFI | African Christians Fellowship International |
| ACFIC | All-China Federation of Industry and Commerce |
| ACFM | American Center For Mediation |