| Acronym | Definition |
|---|
| OHF | Open Hardware Foundation |
| OHF | Online Help Facility |
| OHF | Ontario Hockey Federation |
| OHF | Oxalosis and Hyperoxaluria Foundation |
| OHF | Occupational Health Facility (various organizations) |
| OHF | Open Healthcare Framework (Eclipse Foundation; Canada) |
| OHF | Open Hearth Furnace |
| OHF | Ontario Heritage Foundation |
| OHF | Operation Homefront |
| OHF | Over Head Fire |
| OHF | Oil Handling Facility (Canada) |
| OHF | Open Hearth Foundation, Inc |
| OHF | Outpatient Health Facility (various locations) |
| OHF | Old Hindi Film |
| OHF | Omron Healthcare France |
| OHF | Off Hook Factor |
| OHF | Operating Heat Flux |
| OHF | Operational Health Facility |
| OHF | Oronite Hydraulic Fluid |