| Abbreviation | Definition |
|---|---|
| HIRM | Hazard Identification and Risk Management |
| HISS | Honda Intelligent Security System |
| HIT | Hongkong International Terminals |
| HITCH | Hospitality IT Transportation Construction Healthcare |
| HITS | Highway In The Sky |
| HIVC | Hyundai Intelligent Vehicle Control |
| HIWAS | Hazardous Inflight Weather Advisory Service |
| HJ | Hover Jet |
| HKALPA | Hong Kong Airline Pilot Association |
| HKATC | Hong Kong Air Traffic Control |
| HKHD | Hong Kong Highways Department |
| HKIA | Hong Kong International Airport |
| HKTD | Hong Kong Transport Department |
| HKV | Homing and Kill Vehicle |
| HL | Horizontal Landing |
| HLA | Hydraulic Lash Adjuster |
| HLC | Hugh L Carey Tunnel |
| HLN | High Level Network |
| HLT | Head Load Time |
| HLUET | Housing, Land Use, Environment and Transportation Committee (Santa Clara County, California) |