| Acronym | Definition |
|---|
| OHC | Ohio Health Choice (Akron, Ohio) |
| OHC | Overhead Camshaft |
| OHC | Oxford House College (UK) |
| OHC | Open Host Controller |
| OHC | over Head Camshaft |
| OHC | Ohio Heritage Conference (sports conference) |
| OHC | Oak Hills Church (San Antonio, TX) |
| OHC | Outer Hair Cells |
| OHC | Occupational Hearing Conservationist |
| OHC | Ocean Heat Content |
| OHC | Ontario Health Coalition (Canada) |
| OHC | Oneida Healthcare Center (Oneida, NY) |
| OHC | Order of the Holy Cross |
| OHC | Oklahoma Humanities Council (Oklahoma City, OK) |
| OHC | Oregon Heritage Commission |
| OHC | Occupational Hazard Category (various organizations) |
| OHC | Ohio Humanities Council |
| OHC | Ontario Housing Corporation |
| OHC | Ohio History Central |
| OHC | Olive-Harvey College (Chicago, Illinois) |
| OHC | Office of Human Capital |
| OHC | Ohio Historical Center |
| OHC | Oregon Horse Center (Eugene, OR) |
| OHC | Open Hole Completion (oil exploration) |
| OHC | Office for Humanities Communication (UK) |
| OHC | Ontario Health Card (Ontario, Canada) |
| OHC | Oral Health Consultants |
| OHC | Original Hard Case (guitars) |
| OHC | Optics Hand Controller |
| OHC | Ohio Housing Council (Columbus, OH) |
| OHC | Optimal Hygienic Conditions |
| OHC | Open Health Community |
| OHC | Ohio Horseman's Council Inc |
| OHC | Origin Handling Charge (shipping) |
| OHC | Other Hanford Contractor |
| OHC | Occupational Health Consultancy Ltd (UK) |
| OHC | Oakville Hockey Club (St. Louis, MO) |
| OHC | Orchard Hill Pool Club (Glastonbury, CT) |
| OHC | Old Honda City (car) |
| OHC | Originating Hospital or Clinic |
| OHC | Out of Home Catering |
| OHC | Ontario Hawking Club (Canada) |
| OHC | Ogilvy Healthcare |
| OHC | Over Head Cable |
| OHC | Orchestre d'Harmonie de Chartres (Chartres, France wind orchestra) |