| Acronym | Definition |
|---|
| HFA | Hyogo Framework for Action |
| HFA | High-Functioning Autism |
| HFA | Housing Finance Agency (District of Columbia government) |
| HFA | Hospice Foundation of America |
| HFA | Harvard Film Archive (Harvard University) |
| HFA | Health for All (health statistics database; Copenhagen, Denmark) |
| HFA | Humane Farming Association |
| HFA | Healthy Families America |
| HFA | Harry Fox Agency, Inc. |
| HFA | Health Funding Authority (New Zealand) |
| HFA | Hedge Fund Association |
| HFA | Henry Ford Academy (Dearborn, Michigan) |
| HFA | Hydrofluoroalkane-134a |
| HFA | Hexafluoroacetone (gas) |
| HFA | High Frequency Active |
| HFA | Humanists of Florida Association (Wesley Chapel, FL) |
| HFA | Houston Football Association |
| HFA | Harvard Factory Automation (Harvard, IL) |
| HFA | Human Factors Analysis |
| HFA | Hemifacial Atrophy, Progressive |
| HFA | Hot Flow Anomaly |
| HFA | Health Facility Administrator |
| HFA | Hume-Fogg Academic (High School, Nashville TN) |
| HFA | Hitchcock Fleming and Associates (Akron, OH advertising agency) |
| HFA | Health Facility Authority (various state governments) |
| HFA | Heritage Flight Academy (Long Island, NY) |
| HFA | High Frequency Array |
| HFA | Heavy Field Artillery |
| HFA | Handsfree Allowed (digital telephones) |
| HFA | Hot Fix Accumulator (software and security) |
| HFA | High Frequency Antenna |
| HFA | Housing Finance Agency for CEE/SEE |
| HFA | Hardened Flexible Array |
| HFA | Haifa, Israel - International Airport (Airport Code) |
| HFA | Hydrogen Fueled Aircraft |
| HFA | Hard Fibres Association |
| HFA | Heavy Freight Allowal |
| HFA | Heartland Fencing Academy (Overland Park, KS) |
| HFA | Hispanic Franchisee Association |
| HFA | High Frequency Average thresholds |
| HFA | Home Field Advantage (sports) |
| HFA | Houses for Africa (est. 1993; Zimbabwe) |
| HFA | Home for Adults (various organizations) |
| HFA | Hair Follicle Afferent Fiber (neurophysiology) |
| HFA | Hilfe fuer Afrika (German: Aid to Africa) |
| HFA | Heart Foundation of Australia |