| Acronym | Definition |
|---|
| HFSA | Heart Failure Society of America (also seen as HFSOA) |
| HFSA | Hungarian Financial Supervisory Authority |
| HFSA | Health Flexible Spending Account |
| HFSA | Health Flexible Spending Arrangement |
| HFSA | Hispanic Faculty Staff Association |
| HFSA | High Fines Granular Surfacing Aggregate (materials) |
| HFSA | Hemifacial Spasm Association |
| HFSA | Hollow Fiber Stripping Analysis (water quality) |
| HFSA | Hispanic Faculty and Staff Association |
| HFSA | High Friction Surfacing Association (UK) |
| HFSA | Health Food and Supplements Association |
| HFSA | Healthy Families San Angelo (Texas) |
| HFSA | Hamden Figure Skating Association |
| HFSA | Haemophilia Foundation South Australia |
| HFSA | Human Factors Society of America |
| HFSA | Heart Foundation of South Africa |
| HFSA | High Frequency Sail Array (submarine SONAR, US Navy) |
| HFSA | Hailfinger Filter System Anlage (German) |
| HFSA | Hunter Family School Association |
| HFSA | Hungarian Freestyle Skateboarding Association |