| Acronym | Definition |
|---|
| HIAC➣Hell in A Cell (cage used in WWE wrestling events) |
| HIAC➣Happiness Is a Choice |
| HIAC➣Hawaii Island Adult Care (Hilo, HI) |
| HIAC➣Hokuriku Industrial Advancement Center (Japan) |
| HIAC➣High Accuracy |
| HIAC➣Hanna in A Choppa (game) |
| HIAC➣Homeschooling in a Crunch (Ohio) |
| HIAC➣Home Improvement Alliance Corporation (home remodeling company; California) |
| HIAC➣Helena International Affairs Council (est. 2000; Helena, MT) |
| HIAC➣Hepatic Intra-Arterial Catheters |