| Acronym | Definition |
|---|
| OHD➣Outlook Help Desk |
| OHD➣Optical Hard Drive |
| OHD➣Off Hook Delay |
| OHD➣Office of Hydrologic Development (US NOAA) |
| OHD➣Oregon Health Division |
| OHD➣Overhead Door |
| OHD➣Old High Denomination (bank notes) |
| OHD➣Oh Happy Day (song) |
| OHD➣Organic Heart Disease |
| OHD➣Ohrid, Macedonia - Ohrid (Airport Code) |
| OHD➣Off-Hook Delay |
| OHD➣Oxnard Harbor District (Canada) |
| OHD➣Orascom Hotel and Development (Cairo, Egypt) |
| OHD➣Over-the-Horizon Detection |
| OHD➣Obsessive Highlighting Disorder |
| OHD➣Online Hard Drive |
| OHD➣Obsessional Hyclic Disorder (psychology) |