| Abbreviation | Definition |
|---|---|
| HCCF | Hillsdale County Community Foundation |
| HCCF | Hope Christian Community Foundation |
| HCCF | Housatonic Community College Foundation |
| HCCF | Huntington County Community Foundation |
| HCF | Heart Care Foundation |
| HCF | Historic Charleston Foundation |
| HCF | Housewares Charity Foundation |
| HDCF | High Desert Community Foundation |
| HDF | Hereditary Disease Foundation |
| HDF | Human Development Foundation |
| HDRF | Hope for Depression Research Foundation |
| HDRF | Human Development Research Foundation |
| HEEF | Harold E Eisenberg Foundation |
| HEEF | Hastings Education Enrichment Foundation |
| HEF | Hanover Education Foundation |
| HEF | Harrisonburg Education Foundation |
| HEF | Haven Entertainment Foundation |
| HEF | Henrico Education Foundation |
| HEF | Hillsborough Education Foundation |
| HEF | Hingham Education Foundation |