HHC or hhc can refer to: · Happy hardcore dance music · Headquarters and Headquarters Company, a company-sized unit of the United States Army · New York City Health and Hospitals Corporation · Hereditary hemochromatosis · hhc.exe, the name of the compiler for Microsoft Compiled HTML Help · HHC Hardenberg, a Dutch football club · Hip Hop Congress · Hispanic Health Council · Holistic health counsellor · Hungarian Helsinki Committee