| Acronym | Definition |
|---|
| OHK➣One Hit Kill (band) |
| OHK➣Oxfam Hong Kong (est. 1976; Hong Kong) |
| OHK➣Oostendse Hobby Klubs (Dutch: Osten Hobby Clubs; Belgium) |
| OHK➣Okresni Hospodarska Komora (Czech: District Chamber of Commerce; Czech Republic) |
| OHK➣Oral Health Kansas |
| OHK➣One Hard Krank (New York State hard rock band) |
| OHK➣One-Hop Knowledge |