HFA
- Haifa Airport
- Harry Fox Agency
- Henry Ford Academy
- Hexafluoroacetone
- High-fidelity audio
- High-functioning alcoholic
- High-functioning autism
- Hillary Clinton
- Hillary Clinton presidential campaign, 2016
- Holy Family Academy (Philippines)
- Hume-Fogg High School
- Humphrey visual field analyser
- Hydrofluoroalkane
- Hyogo Framework for Action
- New York State Housing Finance Agency
- Seoul
- South Korea
- The High Fructose Adventures of Annoying Orange