| Abbreviation | Definition |
|---|---|
| HD | High Density |
| HDD | Hard Disk Drive |
| HDLC | High-level Data Link Control |
| HDN | Houston Daily News |
| HDP | High Density Press |
| HDTV | High Definition Television |
| HF | High Frequency |
| HF | Horse Famous |
| HFN | Home Furnishings News |
| HFS | Hierarchical File System |
| HGN | Heralds of Good News |
| HHFB | Hart House Film Board |
| HHM | Hip-Hop Media |
| HHNR | Home Haunt News and Reviews |
| HHNR | Home Haunters News and Reviews |
| HJN | Hunter Jumper News |
| HKFP | Hong Kong Free Press |
| HLIS | Horn Lake Intermediate School |
| HLN | Head Line News |
| HM | Hashtags for Money |