English abbreviations from hext to hfcc
- HEXT (Hex Diplog)
- HEY (Hanchey Army Heliport)
- HEZ (Natchez-Adams County Airport (Hardy-Anders Field))
- HF (High frequency)
- HFA (High-functioning autism)
- HFAC (Human Factors ("aytchfak"))
- HFAF (Humane Farming Action Fund)
- HFAP (Healthcare Facilities Accreditation Program)
- HFB (Hartree Fock Bogoliubov)
- HFBC (Homes For Black Children)
- HFC (HydroFluoroCarbon)
- HFC(s) (hydrofluorocarbon(s))
- HFCA (Hydroxy Fluorene Carboxylic Acid)
- HFCC (Howitzer Fire-Control Computer (US))