| Acronym | Definition |
|---|
| HOAP➣Harvard Open Access Project (Harvard University) |
| HOAP➣Home Ownership Assistance Program (various states) |
| HOAP➣Humanoid for Open Architecture Platform (Fuitsu Automation robots; Japan) |
| HOAP➣Heart of Albion Press (UK) |
| HOAP➣Homeless Outreach and Advocacy Project |
| HOAP➣Health for Older Adults Program (Hamilton, Ontario, Canada) |
| HOAP➣Horizon Organic Agriculture Project |