| Abbreviation | Definition |
|---|---|
| HOC | Horizontal Overscan Correction |
| HOMIN | Hardware Oriented Modified Izhikevich Neuron |
| HOST | Hardware Oriented Security and Trust |
| HP | Hewlett Packard |
| HP | Hewlett-Packard |
| HP | Horrible Products |
| HP | Hot Plug |
| HPA | High Performance Architecture |
| HPA | High Performance Array |
| HPA | High-Power Amplifier |
| HPAS | High Performance Amplified Speaker |
| HPH | Hodge Podge Hardware |
| HPL | Hewlett-Packard LaserJet printer |
| HPM | Hot Plug Module |
| HPNA | High Performance Network Architecture |
| HPT | High Pressure Tin |
| HPU | Holographic Processing Unit |
| HQ | High Quality |
| HQT | High-Quality Television |
| HR | High Resolution |