| Acronym | Definition |
|---|
| HIIP➣Harvard Information Infrastructure Project |
| HIIP➣Health Insurance Information Program (Utah) |
| HIIP➣Hispanic Immigrant Integration Project |
| HIIP➣High Impact Incarceration Program (New York) |
| HIIP➣HIV Information Infrastructure Program (Canada) |
| HIIP➣Hydrocarbon Initially In Place |
| HIIP➣Hormonal Immune Interferon Prostaglandin |