| Abbreviation | Definition |
|---|---|
| HAWK | Homing All the Way Killer |
| HAWS | Heavy Assault Weapon System |
| HAWTADS | Helicopter All Weather Target Acquisition and Designation System |
| HAZ | Hawk Assignment Zone |
| HAZ | Hazardous Cargo |
| HAZCON | Hazardous Condition |
| HAZMAT | Hazardous Materiel |
| HazOp | Hazard and Operability |
| HB | Half Battered |
| HB | Hard Ball |
| HB | Heavy Boat |
| HB | House is Bugged |
| HBCT | Heavy Brigade Combat Team |
| HBCT | Heavy Brigade Combat Teams |
| HBCU/MI | Historically Black Colleges and Universities/Minority Institutions |
| HBD | Hot Box Detector |
| HBLM | Hostile Battery Location Missions |
| HBMS | High-Bandwidth Motion Simulator |
| HBT | Herringbone Twill |
| HBT | Heterojunction Bipolar Transistors |