- HFA
- High Functioning Autism (Medical » Physiology)*** Harry Fox Agency (Community » Music)** Hospice Foundation of America (Community » Non-Profit Organizations)* Haifa, Israel (Regional » Airport Codes)* Hydrofluoroalkane-134a (Medical)* Humane Farming Association (Community » Non-Profit Organizations)* Humanities and Fine Arts (Academic & Science » Academic Degrees)* Hot Flow Anomaly (Academic & Science » Physics)* Hot Fix Accumulator (Computing » Software)* Holstein Friesian Association (Community » Non-Profit Organizations)* Human Factors Applications, Incorporated (Business » Firms)* Horoscope For All (Community)
Abbreviations dictionary. 2012.