| Abbreviation | Definition |
|---|---|
| HAAP | Hotel And Airfare Packages |
| HACP | HACP Audio CD Player |
| HAFT | Horizontal Flash Tanks |
| HAH | Honda Accord Hybrid |
| HAI | Hot Air Injection |
| HAM | Humid Air Motor |
| HAPO | Hanford Atomic Products Operations |
| HASS | Highly Accelerated Stress Screening |
| HASS | Home Accident Surveillance System |
| HAVC | Heat, Air Ventilation, and Cooling |
| HAVC | Hybrid Automatic Voltage Control |
| HAW | Halifax All-Weather |
| HAWT | Horizontal Axis Wind Turbine |
| HAZ | Hold Approach Zip |
| HB | Hand Basin |
| HB | HandleBars |
| HB | High Body |
| HB | High Brace |
| HB | Hollow Body |
| HB | Horse Boards |