| Abbreviation | Definition |
|---|---|
| HHI | Human - Human Interface |
| HHR | Half Height Resolution |
| HI | Hospital Insurance |
| HI | Human Interface |
| HIC | Host Interface Computer |
| HID | Highly Interconnected Data |
| HIG | Human Interface Guidelines |
| HIL | Hard ware In the Loop |
| HIP | Hard Interlacing Picture |
| HIP | Highly Individualized Places |
| HIP | Human Information Production |
| HIPO | Hierarchical Input Process Output |
| HIS | Health Information System |
| HIT | health information technology |
| HIT | Highly Imaginative Technology |
| HITPC | Health Information Technology Policy Committee |
| HITS | Headend In The Sky |
| HIVE | Highly Immersive Visualization Environment |
| HKCC | HKEY_CURRENT_CONFIG (Windows registry) |
| HKCR | HKEY_CLASSES_ROOT (Windows registry) |