| HEF | Hamster Embryo Fibroblast 
| Others |
| HEF | Hannah Eden Fitness
| Others |
| HEF | Hanover Education Foundation
| Others |
| HEF | Hard Extra Fine
| Others |
| HEF | Harlem Entrepreneurial Fund
| Others |
| HEF | Harrisonburg Education Foundation
| Others |
| HEF | Haven Entertainment Foundation
| Others |
| HEF | Health Equalities Framework
| Others |
| HEF | HELP Entity Fee
| Others |
| HEF | Hemagglutinin Esterase Fusion
| Others |
| HEF | Henrico Education Foundation
| Others |
| HEF | Hi Energy Fish
| Others |
| HEF | High Endurance Flash
| Others |
| HEF | High Energy Focus
| Others |
| HEF | High Energy Fuel
| Others |
| HEF | High Energy Fuels
| Others |
| HEF | High Expansion Foam
| Others |
| HEF | High Explosive Fragmentation
| Others |
| HEF | Higher Education for the Future
| Others |
| HEF | Higher Education Forum
| Others |
| HEF | Higher Education Funds
| Others |
| HEF | Hillsborough Education Foundation
| Others |
| HEF | Hingham Education Foundation
| Others |
| HEF | Hispana E Federacio
| Others |
| HEF | Holiday Electric Fly
| Others |
| HEF | Holocaust Educational Foundation
| Others |
| HEF | Home Economics and Food
| Others |
| HEF | Home Education Foundation
| Others |
| HEF | Home Enteral Feeding
| Others |
| HEF | Honda Element Forum
| Others |
| HEF | Hopkins Education Foundation
| Others |
| HEF | Horizontal Each Face
| Others |
| HEF | Horizontal Edge Filter
| Others |
| HEF | Hostile Establishment File
| Others |
| HEF | Housing Establishment Fund
| Others |
| HEF | Human Energy Field
| Others |
| HEF | Human Energy Fields
| Others |
| HEF | Hydrogen Education Foundation
| Others |