| Acronym | Definition |
|---|
| OHP➣Oregon Health Plan |
| OHP➣Office of Health Policy (various locations) |
| OHP➣Oklahoma Highway Patrol (Oklahoma Department of Public Safety) |
| OHP➣Ochotnicze Hufce Pracy (Polish: Volunteer Labor Corps) |
| OHP➣Overhead Projector |
| OHP➣Office of Health Protection (various locations) |
| OHP➣over Heat Protection |
| OHP➣Off Host Processing |
| OHP➣Open Hypermedia Protocol |
| OHP➣over Head Projector |
| OHP➣One Hundred Percent |
| OHP➣Occupational Health Program (various organizations) |
| OHP➣Open Humanities Press |
| OHP➣Ore Handling Plant (mining) |
| OHP➣Overhead Press (weightlifting) |
| OHP➣Office of Historic Preservation |
| OHP➣Occupational Health Psychology |
| OHP➣Observatoire de Haute-Provence (French observatory) |
| OHP➣Oral History Project |
| OHP➣Ohio Highway Patrol |
| OHP➣Overhead and Profit (also seen as O&P) |
| OHP➣Oral Health Program |
| OHP➣Occupational Health Physician |
| OHP➣Open House Party (radio show) |
| OHP➣Oxford Health Plans Inc. |
| OHP➣Office of Health Promotion |
| OHP➣One Hour Photo (movie) |
| OHP➣Outer Helmholtz Plane |
| OHP➣Order of the Holy Paraclete (Whitby, UK) |
| OHP➣Oven Hot Process (soap making) |
| OHP➣Operation Head Pigeon (Invader Zim fan club) |
| OHP➣Orchestre d'Harmonie de Pantin (French) |
| OHP➣Operational Hydrology Program |
| OHP➣Over Head Protection |
| OHP➣Overnight Host Program (University of California, Berkeley) |
| OHP➣Overhead on Poles |
| OHP➣Ocean Hemispheres Project |