| OHC | Oak Hills Church 
| Others |
| OHC | Obscure Hot Chick
| Others |
| OHC | Occupational Hazard Category
| Others |
| OHC | Occupational Health Center
| Others |
| OHC | Occupational Health Clinic
| Others |
| OHC | Occupational Hearing Conservationist
| Others |
| OHC | Ocean Heat Content
| Others |
| OHC | Office of Handicapped Concerns
| Others |
| OHC | Office of HIPAA Compliance
| Others |
| OHC | Office of Human Capital
| Others |
| OHC | Ohio Heritage Conference
| Others |
| OHC | Ohio Heritage Confrence
| Others |
| OHC | Ohio History Central
| Others |
| OHC | Ohio History Connection
| Others |
| OHC | Ohio Horseman's Council
| Others |
| OHC | Ohio Humanities Council
| Others |
| OHC | Oil Hydraulic Circulating
| Others |
| OHC | Oklahoma Home Centers
| Others |
| OHC | Oklahoma Humanities Council
| Others |
| OHC | Old Honda City
| Others |
| OHC | Olympia Hostel Club
| Others |
| OHC | Onboard Hard Copier
| Others |
| OHC | Oncology Hematology Care
| Others |
| OHC | One Health Commission
| Others |
| OHC | One Hour Compo
| Others |
| OHC | One Hour Compos
| Others |
| OHC | One hour composition
| Others |
| OHC | One Hyundai Club
| Others |
| OHC | Online Help Conference
| Others |
| OHC | Online Hiring Center
| Others |
| OHC | Ontario Health Coalition
| Others |
| OHC | Open Hole Completion
| Others |
| OHC | Open Hole Compression
| Others |
| OHC | Open Host Controller
| Others |
| OHC | Open House Chicago
| Others |
| OHC | Open House Church
| Others |
| OHC | Open House Contemporary
| Others |
| OHC | Opera House Cup
| Others |
| OHC | Operation House Call
| Others |
| OHC | Operators Health Center
| Others |
| OHC | Optics Hand Controller
| Others |
| OHC | Optimal Health Care
| Others |
| OHC | Optimal Hygienic Conditions
| Others |
| OHC | Optimum Health Care
| Others |
| OHC | Oracle Help Center
| Others |
| OHC | Oral Health and Care
| Others |
| OHC | Oral Health Center
| Others |
| OHC | Oral History Center
| Others |
| OHC | Order of the Holy Cross
| Others |
| OHC | Oregon Health Council
| Others |
| OHC | Oregon Horse Center
| Others |
| OHC | Oregon Housing and Community Services Department
| Others |
| OHC | Oregon Humanities Center
| Others |
| OHC | Origin Handling Charge
| Others |
| OHC | Original Harlem Crips
| Others |
| OHC | Ostbayerischer Handball Club
| Others |
| OHC | Other Health Coverage
| Others |
| OHC | Otto Heubner Centrum
| Others |
| OHC | Ouachita Hills College
| Others |
| OHC | Our High Council
| Others |
| OHC | Outer Hair Cells
| Others |
| OHC | Over Head camshaft
| Others |
| OHC | Over Head Console
| Others |
| OHC | Over-Head-Cam
| Others |
| OHC | Overhead Cabinet
| Others |
| OHC | Owner Homogeneous Costs
| Others |
| OHC | Oxford House College
| Others |