| Abbreviation | Definition |
|---|---|
| HBOSG | Home Box Office Signature |
| HBOZ | Home Box Office Zone |
| HC | Hard Copy |
| HC | Hard Cover |
| HC | Hidden Conclusion |
| HC | High Contrast |
| HC | Hors Commerce |
| HC | Hostile Creation |
| HCD | Hollywood Creative Directory |
| HCE | Humphrey Chimpden Earwicker |
| HCMC | Humboldt Community Media Center |
| HCP | Hand Colored Print |
| HCP | Healthcare Computing Publications |
| HD | High Definition |
| HDCD | High Definition Compact Disc |
| HDCD | High Definition Compatible Digital |
| HDCD | High Density Compact Disc |
| HDI | High Definition Imaging |
| HDM | High Definition Mobile |
| HDR | High Dynamic Range |