RHK
| Acronym | Definition |
|---|---|
| RHK | Ratahallintokeskus (Finnish: Finnish Rail Administration) |
| RHK | Royal Hospital Kilmainham (Ireland) |
| RHK | Ryan Hankin Kent (RHK, Inc. marketing consulting firm) |
| RHK | Round House Kick (gaming) |
| RHK | Radio Hong Kong (public broadcasting; formerly Radio Television Hong Kong) |
| RHK | Rigshospitalets Kollegium (Copenhagen, Denmark dorm) |
| RHK | Regional Herbarium of Kerala |
| RHK | République du Haut-Karabagh (French: Republic of Nagorno-Karabakh) |