| Abbreviation | Definition |
|---|---|
| HFCV | Hydrogen Fuel Cell Vehicles |
| HFGH | Harbor Freight Greenhouse |
| HFT | Harbor Freight and Tool |
| HFT | Harbor Freight Tools |
| HGTE | Handling Gran Tourismo Evoluzione |
| HGTS | Hendry Glades Transportation System |
| HGV | Heavy Good Vehicle |
| HGV | Heavy Good Vehicles |
| HGV | Heavy Goods Vehicle |
| HGV | Heavy Goods Vehicles |
| HGV | hypersonic glide vehicle |
| HHP | High Horse Power |
| HHP-8 | High Horse Power-8000 |
| HI | Head In |
| HIALS | High Intensity Approach Lighting System |
| HIFA | Hawaiian Island Freight Associaion |
| HIN | Hull Identification Number |
| HIP | Handling Improvement Project |
| HIPA | Highway Infrastructure Privatization Act |
| HIRL | High Intensity Runway Lights |