| Abbreviation | Definition |
|---|---|
| HEF | Home Education Foundation |
| HEF | Hopkins Education Foundation |
| HEF | Hydrogen Education Foundation |
| HFAP | Haiti Foundation Against Poverty |
| HFF | Hardy Fern Foundation |
| HFF | Herbalife Family Foundation |
| HFF | Hispanic Family Foundation |
| HFFC | Horseshoe Foundation of Floyd County |
| HFI | Helicopter Foundation International |
| HFM | Hemophilia Foundation of Maryland |
| HFNC | Hemophilia Foundation of Northern California |
| HFOC | HealthCare Foundation for Orange County |
| HFP | Hamdard Foundation Pakistan |
| HFRF | Hope For Refugees Foundation |
| HFT | Haq Foundation Trust |
| HFWA | Haemophilia Foundation Western Australia |
| HGF | Hemraj Goyal Foundation |
| HGF | Higher Ground Foundation |
| HGTF | Hospice Georgian Triangle Foundation |
| HHAF | Health and Humanitarian Aid Foundation |