| Acronym | Definition |
|---|
| HEC | Higher Education Commission (Pakistan) |
| HEC | Hautes Etudes Commerciales (French) |
| HEC | Hautes Études Commerciales |
| HEC | Hand-Eye Coordination |
| HEC | Higher Education Center (various locations) |
| HEC | Hydrologic Engineering Center (Davis, CA) |
| HEC | Home Equity Conversion (finance) |
| HEC | Hyundai Engineering Co., Ltd. (South Korea) |
| HEC | Hydroxyethyl-Cellulose |
| HEC | Human Endometrial Cancer (cells) |
| HEC | Hardware Engineer Conference |
| HEC | Header Error Check |
| HEC | Header Extension Code |
| HEC | Header Error Control |
| HEC | Header Error Correction |
| HEC | Hyundai Engineering & Construction Co. Ltd. (South Korea) |
| HEC | Header Error Control (ATM) |
| HEC | Horry Electric Cooperative (Conway, SC) |
| HEC | High End Computing |
| HEC | Higher Education Certificate |
| HEC | Header Error Check (ATMF) |
| HEC | Health Expenditure per Capita (statistic) |
| HEC | Health Education Coordinator (various universities) |
| HEC | Higher Education Challenge (USDA) |
| HEC | Higher Education Council |
| HEC | House Ethics Committee (US Congress) |
| HEC | Health Education Consultant |
| HEC | Health Education Care |
| HEC | Health Enhancement Center (variouos locations) |
| HEC | Health Executive Council (US DoD/US VA) |
| HEC | Haute École de Commerce (French) |
| HEC | Header Error Correction (ATM) |
| HEC | Home Entertainment Center |
| HEC | Higher Education Corporation |
| HEC | Human Equivalent Concentration |
| HEC | Homeownership Education and Counseling (various locations) |
| HEC | Hippocampal-Entorhinal Cortex (neurology) |
| HEC | Hethel Engineering Centre (Norwich; UK) |
| HEC | Human Endothelial Cell |
| HEC | Handicapped Encounter Christ |
| HEC | Heavy Electrical Complex (Pakistan government) |
| HEC | Heartland Educational Consortium (Lake Placid, FL) |
| HEC | Healthy Environments for Children Initiative (University of Connecticut) |
| HEC | High-Endurance Cutter (US Coast Guard) |
| HEC | Hasselblad Electric Camera |
| HEC | hyperinsulinemic euglycemic clamp |
| HEC | Heated Eyelash Curler |
| HEC | High Efficiency Compatible (laundry detergent) |
| HEC | Horizon Emergency Care |
| HEC | Hyperion Energy Center (US EPA) |
| HEC | Helicopter Element Coordinator |
| HEC | Hispanic Education Coalition |
| HEC | Header Error Count |
| HEC | Higher Education Consortium for Mathematics and Science (Florida, USA) |
| HEC | Horizons Educational Concepts |
| HEC | Hybrid Electronic Instrument Cluster (automotive) |
| HEC | Huntsville Engineering Center |
| HEC | Hardware Error Correction |
| HEC | Heres Eius Curavit (Latin: His Heir Took Care, epigraphy) |
| HEC | Home Entertainment Channel |
| HEC | Ham, Egg and Cheese sandwich |
| HEC | Head End Converter (Valere) |