| Abbreviation | Definition |
|---|---|
| HE | Heavy Equipment |
| HE | High Explosive |
| HE | Host Environment |
| HE | Human Engineering |
| HEAP | High Explosive Armor Piercing |
| HEART | High Explosive Art Resistant Textures |
| HEAT | Hard Entry And Tactics |
| HEAT | Headquarters Effectiveness Assessment Tool |
| HEAT | Helicopter External Air Transport |
| HEAT | High Explosive Antitank |
| HEAT | High-Explosive Anti-Tank |
| HEAT | HMMWV Egress Assistance Trainer |
| HEAT-MP-T | High-Explosive Anti-Tank Muti-Purpose Tracer |
| HEC | Helicopter Element Coordinator |
| HEC | Hydrologic Engineering Center |
| HECRAS | Hydrologic Engineering Center - River Analysis System |
| HEDI | High Endoatmospheric Defense Interceptor |
| HEDIS | Healthcare Effectiveness Data and Information Set |
| HEDP | High Explosive Dual-Purpose |
| HEED | Helicopter Emergency Egress Device |