| Acronym | Definition |
|---|
| OHAP➣Office of HIV/AIDS Policy |
| OHAP➣Organization of Health Artists of the Philippines |
| OHAP➣Ohio Assembly Plant |
| OHAP➣Oriental Hotel Apprenticeship Programme (Thailand) |
| OHAP➣Occupational Health Assurance Program (Virginia Polytechnic Institute and State University) |
| OHAP➣Oregon Health Access Project (Oregon Health Action Campaign) |
| OHAP➣Open Handset Alliance Project (mobile communication) |
| OHAP➣Organic Hazardous Air Pollutant (chemical regulation; various nations) |