English abbreviations from hero to hex
- HERO (Hale Empowerment and Revitalization Organization)
- HEROS (German Command and Control System)
- HERP (Hazards of Electromagnetic Radiation to Personnel)
- HERS (Home energy rating standard (conservation))
- HERT (Hospital emergency response team)
- HE-S (high-explosive spotting)
- HES (Hermiston Municipal Airport (FAA: HRI))
- HESC (Higher Education Services Corporation (NY))
- HESH (high-explosive squash head)
- HESH-T (high-explosive squash head - tracer)
- HESI (Health and Environmental Sciences Institute)
- HESPA (Higher Education Strategic Planners Association)
- HESS ((telescope) High Energy Stereoscopic System, a telescope for detecting cosmic rays)
- HESU (Harpenden Explorer Scout Unit)
- HESV (Heavy Engineering Support Vehicle)
- HE-T (high-explosive tracer)
- HET (Hohhot Baita International Airport)
- HETAC (Higher Education and Training Awards Council of Ireland)
- HETE ((telescope) High Energy Transient Explorer, a space telescope that performs multi-wavelength observations of gamma ray bursts)
- HETF (High Explosive Time Fuzed)
- HET-PF (high-explosive tracer - percussion fuze)
- HETS (Heavy Equipment Transport System)
- HETT (Heavy Equipment Transporting Truck / Heavy Equipment Truck Tractor)
- HEU (Highly Enriched Uranium)
- HEV (Health & Environment)
- HEVC (High Efficiency Video Coding)
- HEW (Department of Health, Education, And Welfare)
- Hewitts (Hills in England, Wales and Ireland over Two Thousand feet (with topographic prominence of at least 30 m))
- HEWSweb (Humanitarian Early Warning Service)
- HEX (Herrera International Airport (closed))