| 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) |