| Abbreviation | Definition |
|---|---|
| RKF | Robert K Futterman |
| RKF | Russian Kynological Federation |
| RKG | Right Kinda Guy |
| RKG | Rimm Kaufman Group |
| RKG | Ruchnaya Kumulyativnaya Granata |
| RKH | Konstantin Haase |
| RKH | Raw King Hustle |
| RKH | Red Knights of Honor |
| RKH | Renault Klub Hrvatska |
| RKH | Repair Kit Hauler |
| RKH | Robert K Horn |
| RKH | Rock Kitchen Harris |
| RKH | Rotated Kleiner Hamiltonian |
| RKHS | Reproducing Kernel Hilbert Space |
| RKI | Reasonably Knowledgable Individual |
| RKI | Rtems Kernel Image |
| RKK | ReckanKreuzungsKlankewerkzeuge |
| RKKA | Raboche Krestianskaja Krasnaja Armija |
| RKKA | Raboche Krestyanskaya Krasnaya Armiya |
| RKKA | Raboche Kriestianskaya Krasnaya Armiya |