HFAA
| Acronym | Definition |
|---|---|
| HFAA | Hardanger Fiddle Association of America (Minneapolis, MN) |
| HFAA | Hotchkiss Fine Arts Association (Hotchkiss, CO) |
| HFAA | Hellenic Finance and Accounting Association (Greece) |
| HFAA | Holstein-Friesian Association of America |
| HFAA | High Frequency Airborne Antenna |
| HFAA | High Frequency Antenna Array |