| Acronym | Definition |
|---|
| HIH➣Hogwarts Is Here (fan network) |
| HIH➣Hand in Hand (various locations) |
| HIH➣Hope It Helps |
| HIH➣High Impact Halo (gaming website) |
| HIH➣Hot in Here |
| HIH➣His/Her Imperial Highness |
| HIH➣Halloween Is Here (Vancouver, British Columbia, Canada) |
| HIH➣Hypertensive Intracerebral Hemorrhage |
| HIH➣How's It Hanging? |
| HIH➣Hospital in Home |